Moyer Diebel Dishwasher MH 60M3 User Manual

This manual supersedes

P/N 112425, dated April, 1997.

Remove and destroy previous edition.

Simply Engineered Better

Technical Manual

For machines beginning with serial no. 89519 and above

Door-Type

Dishwasher

Model

MH-60M3

High Temperature

with Built-in Booster

MH-6NM3

High Temperature

MH-6LM3

Low Temperature

Machine Serial No.

Manual P/N 112425

2674 N. Service Road

REV. B

February, 1998

P. O. Box 4183

Winston-Salem, North Carolina 27115-4183

Jordan Station, Ontario, Canada LOR 1SO

905/562-4195 Fax: 905/562-4618

336/661-1992

Fax: 336/661-1660

Moyer Diebel

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REVISONS

Revision History

Revision

Date

Revised

Pages

Serial Number

Effectivity

Comments

4/27/97

—

89519

MH-M3 control circuit is 120VAC

MH-M2 series was 220VAC

1/30/98

All

89519

Reissue of manual and

replacement parts lists

This manual replaces temporary manual

issued 4/5/97

7/1/98

—

Corrected P/N’s for fuses

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CONTENTS

LIMITED WARRANTY ............................................................................................................... 4

INTRODUCTION ......................................................................................................................... 5

Model Number.................................................................................................................... 6

Standard Equipment ........................................................................................................... 6

Options................................................................................................................................ 6

Electrical Power Requirements .......................................................................................... 7

INSTALLATION ........................................................................................................................... 8

Unpack the Dishwasher ...................................................................................................... 8

To Change from Straight-through Operation to Corner Operation .................................... 9

Electrical Connections ........................................................................................................ 10

Plumbing Connections........................................................................................................ 12

Water Connections ......................................................................................................... 12

Drain Connections .......................................................................................................... 13

Chemical Connections.................................................................................................... 14

INITIAL START-UP ..................................................................................................................... 16

OPERATION SUMMARY ........................................................................................................... 22

CLEANING................................................................................................................................... 23

Cleaning Schedule .............................................................................................................. 23

Deliming Process ................................................................................................................ 24

TROUBLESHOOTING ................................................................................................................ 25

BASIC SERVICE .......................................................................................................................... 27

REPLACEMENT PARTS ............................................................................................................. 33

ELECTRICAL SCHEMATICS ..................................................................................................... 69

LIST OF FIGURES

Figure 1 – Remove Front Panel.................................................................................................. 8

Figure 2 – Placement for Corner Operation ............................................................................... 9

Figure 3 – Change the Track Assembly ..................................................................................... 9

a — Straight-through Configuration

b — Corner Configuration

Figure 4 – Electrical Connection Location ................................................................................ 10

Figure 5 – Hinged Control Panel................................................................................................ 11

Figure 6 – Main Terminal Block ................................................................................................ 11

Figure 7 – Hot Water Connection (MH-60 Only) ...................................................................... 12

Figure 8 – Hot Water Connection (MH-6N, MH-6L Only) ....................................................... 12

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CONTENTS

LIST OF FIGURES (cont.)

Figure 9 – Drain Hose Connection............................................................................................. 13

Figure 10 – Chemical Dispenser Signal Terminal Block ............................................................. 14

Figure 11 – Chemical Signal Connection Points ......................................................................... 14

Figure 12 – Detergent Probe Injection Points, 1/2" ..................................................................... 15

Figure 13 – Rinse Aid and Sanitizer Injection Points .................................................................. 15

Figure 14 – Fuses ......................................................................................................................... 28

Figure 15 – Motor Overload......................................................................................................... 28

Figure 16 – Cycle Timer............................................................................................................... 29

Figure 17 – Cycle Timer Chart..................................................................................................... 29

Figure 18 – Fill Timer .................................................................................................................. 29

Figure 19 – Heater Element Wiring ............................................................................................. 30

Figure 20 – Pump Motor Wiring Diagrams ................................................................................. 31

Figure 21 – Pump Seal Replacement ........................................................................................... 32

Figure 22 – Doors and Panels ...................................................................................................... 34

Figure 23 – Door Guides, Stops and Lift Bracket........................................................................ 36

Figure 24 – Door Handle, Spring Assembly and Safety Switch .................................................. 38

Figure 25 – Track Assembly ........................................................................................................ 40

Figure 26 – Wash/Rinse Spray Piping.......................................................................................... 42

Figure 27 – Wash/Rinse Spray Arms ........................................................................................... 44

Figure 28 – Drain Assembly and Scrap Screens .......................................................................... 46

Figure 29 – Wash Tank Heat and Thermostats ............................................................................. 48

Figure 30 – Electric Booster and Thermostats (MH-60 Only)..................................................... 50

Figure 31 – Lower Fill Piping Assembly (MH-60 Only)............................................................. 52

Figure 32 – Upper Fill Piping Assembly (MH-60/6N Only) ....................................................... 54

Figure 33 – Lower Fill Piping Assembly (MH-6N/6L Only) ...................................................... 56

Figure 34 – Upper Fill Piping Assembly (MH-6L Only) ............................................................. 58

Figure 35 – Pump Assembly ........................................................................................................ 60

Figure 36 – Control Panel and Gauges......................................................................................... 62

Figure 37 – Control Cabinet ......................................................................................................... 64

Figure 38 – Dishracks and PRV ................................................................................................... 66

Figure 39 – Three Phase Electrical Schematic ............................................................................. 69

Figure 40 – Single Phase Electrical Schematic ............................................................................ 70

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WARRANTY

LIMITED WARRANTY

Champion Industries/Moyer Diebel Limited, P.O. Box 4183, Winston-Salem, North Carolina 27115, and P. O. Box 301, 2674

North Service Road, Jordan Station, Ontario, Canada L0R 1S0 warrants machines, and parts, as set out below.

Warranty of Machines: Champion Industries/Moyer Diebel Limited warrants all new machines of its manufacture bearing

the name “Champion” or "Moyer Diebel" and installed within the United States and Canada to be free from defects in

material and workmanship for a period of one (1) year after the date of installation or fifteen (15) months after the date of

shipment by Champion/Moyer Diebel, whichever occurs first. [See below for special provisions relating to Model Series DF

and SW.] The warranty registration card must be returned to Champion/Moyer Diebel within ten (10) days after installation.

If warranty card is not returned to Champion/Moyer Diebel within such period, the warranty will expire after one year from

the date of shipment.

Champion/Moyer Diebel will not assume any responsibility for extra costs for installation in any area where there are

jurisdictional problems with local trades or unions.

If a defect in workmanship or material is found to exist within the warranty period, Champion/Moyer Diebel, at its election,

will either repair or replace the defective machine or accept return of the machine for full credit; provided, however, as to

Model Series DF and SW, Champion/Moyer Diebel's obligation with respect to labor associated with any repairs shall end

(a) 120 days after shipment, or (b) 90 days after installation, whichever occurs first. In the event that Champion/Moyer

Diebel elects to repair, the labor and work to be performed in connection with the warranty shall be done during regular

working hours by a Champion/Moyer Diebel authorized service technician. Defective parts become the property of

Champion/Moyer Diebel. Use of replacement parts not authorized by Champion/Moyer Diebel will relieve Champion/

Moyer Diebel of all further liability in connection with its warranty. In no event will Champion/Moyer Diebel's warranty

obligation exceed Champion/Moyer Diebel's charge for the machine. The following are not covered by Champion/Moyer

Diebel's warranty:

a. Lighting of gas pilots or burners.

b. Cleaning of gas lines.

c. Replacement of fuses or resetting of overload breakers.

d. Adjustment of thermostats.

e. Adjustment of clutches.

f. Opening or closing of utility supply valves or switching of electrical supply current.

g. Adjustments to chemical dispensing equipment.

h. Cleaning of valves, strainers, screens, nozzles, or spray pipes.

i. Performance of regular maintenance and cleaning as outlined in operator’s guide.

j. Damages resulting from water conditions, accidents, alterations, improper use, abuse,

tampering, improper installation, or failure to follow maintenance and operation procedures.

Examples of the defects not covered by warranty include, but are not limited to: (1) Damage to the exterior or interior finish

as a result of the above, (2) Use with utility service other than that designated on the rating plate, (3) Improper connection to

utility service, (4) Inadequate or excessive water pressure, (5) Corrosion from chemicals dispensed in excess of recom-

mended concentrations, (6) Failure of electrical components due to connection of chemical dispensing equipment installed

by others, (7) Leaks or damage resulting from such leaks caused by the installer, including those at machine table connec-

tions or by connection of chemical dispensing equipment installed by others, (8) Failure to comply with local building

codes, (9) Damage caused by labor dispute.

Warranty of Parts: Champion/Moyer Diebel warrants all new machine parts produced or authorized by Champion/Moyer

Diebel to be free from defects in material and workmanship for a period of 90 days from date of invoice. If any defect in

material and workmanship is found to exist within the warranty period Champion/Moyer Diebel will replace the defective

part without charge.

DISCLAIMER OF WARRANTIES AND LIMITATIONS OF LIABILITY. CHAMPION/MOYER DIEBEL'S

WARRANTY IS ONLY TO THE EXTENT REFLECTED ABOVE. CHAMPION/MOYER DIEBEL MAKES NO

OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF

MERCHANTABILITY, OR FITNESS OF PURPOSE. CHAMPION/MOYER DIEBEL SHALL NOT BE LIABLE FOR

INCIDENTAL OR CONSEQUENTIAL DAMAGES. THE REMEDIES SET OUT ABOVE ARE THE EXCLUSIVE

REMEDIES FOR ANY DEFECTS FOUND TO EXIST IN CHAMPION/MOYER DIEBELDISHWASHING MA-

CHINES AND CHAMPION/MOYER DIEBEL PARTS, AND ALL OTHER REMEDIES ARE EXCLUDED, INCLUD-

ING ANY LIABILITY FOR INCIDENTALS OR CONSEQUENTIAL DAMAGES.

Champion/Moyer Diebel does not authorize any other person, including persons who deal in Champion/Moyer Diebel

dishwashing machines, to change this warranty or create any other obligation in connection with Champion/Moyer Diebel

Dishwashing Machines.

rev. 8699

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INTRODUCTION

Welcome to Moyer Diebel...

and thank you for allowing us to take care of

your dishwashing needs.

This manual covers the door-type dishwasher,

Models MH-60, MH-6N, MH-6L.

Your machine was completely assembled,

inspected, and thoroughly tested at our factory

before it was shipped to your installation site.

This manual contains:

• Installation Instructions

• Operation and Cleaning Instructions

• Troubleshooting Guide

• Basic Service Information

• Replacement Parts Lists

• Electrical Schematics

All information, illustrations and specifications

contained in this manual are based upon the

latest product information available at the time

of publication. Moyer Diebel constantly

improves its products and reserves the right to

make changes at any time or to change specifi-

cations or design without notice and without

incurring any obligation.

For your protection, factory authorized parts

should always be used for repairs.

Replacement parts may be ordered directly

from your Moyer Diebel authorized parts

distributor or authorized service agency. When

ordering parts, please supply the model num-

ber, serial number, voltage, and phase of your

machine, the part number, part descriptions and

quantity.

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GENERAL

Model Numbers

MH-60, MH-6N, MH-6L

The MH-60 model is a high temperature

(180°F/82°C rinse) sanitizing model with

booster.

The MH-6N model is a high temperature

(180°F/82°C rinse) sanitizing model without

booster.

The MH-6L is a low temperature (Min. 120°F/

49°C-140°F/60°C Optimum) sanitizing model

for use with a sodium hypochlorite (Chlorine)

based sanitizer at a minimum concentration of

50 PPM in the final rinse.

Standard Equipment includes:

MH-60, MH-6N, MH-6L

• Automatic tank fill and start

• Built-in electric booster heater (MH-60 only)

• Field convertible to corner model

• Electric tank heat

• Balanced three door lift system

• Low-water tank heat protection

• 1-hp drip-proof pump motor

• Door safety switch

• Common utility connections

• Two dish racks (peg and flat bottom)

• Detergent/chemical connection provisions

• Stainless steel front and side panels

• 60-second time cycle

• 1-1/2" O.D. gravity drain connection

• Water pressure reducing valve (MH-60 only)

• Interchangeable upper and lower spray arms

Options (MH-60 only)

• Electric booster (70°F/39°C temperature

rise) heater for 110°F/43°C supply water

• Steam injector or steam coil tank heat

(steam booster 40°F/23°C-70°F/39°C rise)

Accessories

Additional dishracks:

Dish rack (peg)

Silverware rack (flat bottom)

P/N 101285

P/N 101273

3/4" Pressure reducing valve (PRV)

P/N 112387

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GENERAL

Electrical Power Requirements:Fig Electric Heat/Electric Booster

Model

Voltage

Booster Rise

Machine

Power Requirement

(MH-60 Only) Full Load Amps (125% Service Factor)

MH-6N/MH-6L

115/60/1

208/60/1

220/60/1

230/60/1

240/60/1

208/60/3

220/60/3

230/60/3

240/60/3

380/60/3

415/60/3

480/60/3

575/60/3

—

48 Amps

23 Amps

24 Amps

12 Amps

13 Amps

7 Amps

60 Amps

29 Amps

30 Amps

15 Amps

16 Amps

9 Amps

8 Amps

6 Amps

5 Amps

10 Amps

8 Amps

6 Amps

MH-60

115/60/1

208/60/1

220/60/1

230/60/1

240/60/1

208/60/3

220/60/3

230/60/3

240/60/3

380/60/3

415/60/3

480/60/3

575/60/3

—

40°F/23°C

59 Amps

61 Amps

63 Amps

65 Amps

33 Amps

35 Amps

36 Amps

37 Amps

20 Amps

17 Amps

14 Amps

74 Amps

76 Amps

79 Amps

81 Amps

41 Amps

44 Amps

45 Amps

46 Amps

25 Amps

21 Amps

18 Amps

MH-60

115/60/1

208/60/1

220/60/1

230/60/1

240/60/1

208/60/3

220/60/3

230/60/3

240/60/3

380/60/3

415/60/3

480/60/3

575/60/3

—

70°F/39°C

50 Amps

52 Amps

54 Amps

56 Amps

30 Amps

33 Amps

28 Amps

23 Amps

63 Amps

65 Amps

68 Amps

70 Amps

38 Amps

41 Amps

35 Amps

29 Amps

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INSTALLATION

Unpack the dishwasher

CAUTION:

Care should be taken when lifting the

machine to prevent damage.

NOTE:

The installation of your machine must meet

all applicable health and safety codes.

1. Immediately after unpacking the machine,

inspect for any shipping damage. If damage is

found, save the packing material and contact

the carrier immediately.

2. Remove the dishwasher from the skid.

Move the machine to its permanent location.

POWER

NOTE:

FILL

CYCLE

Refer to: To change from Straight-through

Operation to Corner Operation on the next

page if your machine will be placed for

corner operation.

EXTENDED WASH

RINSE

WASH

WARNING!

TURN OFF POWER BEFORE

SERVICING MACHINE

3. Level the machine (if required) by placing a

level on the top of the machine and adjusting

the feet. Level the machine front-to-back and

side-to-side.

4. Remove the dishracks from the interior of

the machine.

5. Refer to Fig. 1. Remove (2) screws that hold

the front panel. Remove the front panel in

preparation for service connections.

Figure 1

Remove Front Panel

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INSTALLATION

To Change from

Straight-through Operation

to Corner Operation

The dishwasher is shipped from the factory

for straight-through operation. The following

instructions explain how to change the dishwasher

for corner operation.

Refer to Fig. 2

1. Place the dishwasher so that operator

controls are readily accessible.

2. Minimum clearance from any wall is

5-1/4" (133mm).

5-1/4"[133mm] MIN.

WALL

5-1/4"[133mm] MIN.

FRONT

POWER ON

SWITCH

POWER ON

SWITCH

Note:

Power switch is

readily accessible.

FRONT

Do not place the dishwasher closer than 5-1/4" (133mm) to any wall.

Figure 2

Placement for Corner Operation

Refer to Fig. 3a-3b and perform the steps below.

1. Remove the front rack guide (A).

Discard the square spacers.

2. Move front rack guide (A) to the left side of

the rack tracks. (See Fig. 3b) Use existing

hardware.

3. Unbolt the track (B) and rack support rod (C).

4. Remove and save the two remaining fasteners

from rear track.

5. Bolt (B) and (C) as shown in Fig. 3b.

Figure 3

Change the Track Assembly

Figure 3b

Corner Configuration

Figure 3a

Straight-through Configuration

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INSTALLATION

INSTALLATION (Cont.)

Electrical Connections

WARNING:

Electrical and grounding connections must

comply with all applicable Electrical Codes.

WARNING:

When working on the dishwasher, discon-

nect the electric service and place a tag at

the disconnect switch to indicate work is

being done on that circuit.

1. A qualified electrician must compare the

electrical power supply with the machine

electrical specifications before connecting

to the incoming service through a fused

disconnect switch.

Electrical knock-out

lower rear corner

Refer to Fig. 4

2. A knock-out is provided at the lower right

rear corner (as viewed from the front) for

the electrical service connection. A fused

disconnect switch or circuit breaker

(supplied by others) is required to protect

the power supply circuit.

Figure 4

Electrical Connection Location

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INSTALLATION

Electrical Connections (Cont.)

Refer to Fig. 5

3. Remove (2) lower screws from the front

panel of the machine to expose the electri-

cal controls. Remove (2) screws on the

control panel support. Swing the hinged

control panel forward.

Figure 5

Hinged Control Panel

Refer to Fig. 6

4. Three phase or single phase incoming

power wiring connections are made at the

bottom of the machine’s main terminal

block. The main terminal block is located

on the side of the front right post of the

dishwasher.

Electrical Power Connection

Figure 6

Main Terminal Block

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INSTALLATION

INSTALLATION (Cont.)

Plumbing Connections

NOTE:

Plumbing connections must comply with

all applicable sanitary and plumbing

codes.

Water Connections

12"

[305mm]

1. All MH series dishwashers require a single,

hot water supply.

FLOOR

The hot water connection to all MH

series dishwashers is 3/4" NPT.

The connection is made from

underneath the dishwasher.

Figure 7

Hot Water Connection

(MH-60 Only)

3/4" NPT

The following minimum water

temperatures are recommended:

MH-60 with built-in 40° rise electric

booster (Minimum 140°F/60°C)

(Min./Max. flow pressure

20-22 PSI/138-151.8 kPa)

MH-60 with built-in 70° rise electric

booster (Minimum 110°F/43°C)

(Min./Max. flow pressure

12"

20-22 PSI/138-151.8 kPa)

[305mm]

MH-6N without built-in booster

(Minimum 180°F/70°C)

(Min./Max. flow pressure

20-22 PSI/138-151.8 kPa)

FLOOR

MH-6L low temperature

(Minimum 120°F/49°C-

140°F/60°C Optimum)

(Min./Max. flow pressure

20-22 PSI/138-151.8 kPa)

Figure 8

Hot Water Connection

(MH-6N, MH-6L Only)

3/4" NPT

Refer to Figs. 7 and 8

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INSTALLATION

Water Connections (Cont.)

2. A manual shut-off valve for steam and water

(supplied by others) should be installed in the

supply line to allow for servicing of the

machine. The shut-off valve should be the

same size or larger than the supply line.

3. Install a 3/4" pressure reducing valve (PRV)

in the water supply line if flow pressure

exceeds 20-22 PSI/138-151.8 kPa.

A PRV is standard equipment on Model

MH-60. A PRV is not standard equipment on

Models MH-6N, MH-6L.

Drain Connections

Refer to Fig. 9

1. MH series models are GRAVITY DRAIN

machines equipped with a

1-1/2" O.D. hose connection point.

2. The maximum drain flow rate is

15 gallons/min-56.8 liters/min.

11" [280mm]

Above floor level

3. Drain height for all models must not

exceed 11" (280mm) above floor level.

4. The drain connection is made to the

dishwasher from underneath the machine

through an access hole in the machine

base.

Figure 9

Drain Hose Connection

1-1/2" O.D.

Ventilation

(Max flow rate = 15 gal/min-56.8 liters/min)

NOTE:

Ventilation must comply with local sanitary

and plumbing codes.

CAUTION:

Exhaust air should not be vented into a

wall, ceiling, or concealed space of a

building. Condensation can cause

damage.

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INSTALLATION

INSTALLATION (Cont.)

Chemical Connections

NOTE:

Consult a qualified chemical supplier

for your chemical needs.

Refer to Fig. 10

1. A chemical signal terminal block is

supplied for chemical dispensing

equipment.

2. The terminal block is located below

the control panel fuse block.

RINSE

DETERGENT

COMMON

Figure 10

Chemical Dispenser

Signal

Terminal Block

Refer to Fig. 11

3. The detergent signal is limited

to a maximum load of 1 Amp.

Signal voltage is 115VAC.

Detergent Signal Connection Point

1 Amp Max Load/115VAC

Common Return

Rinse aid/Sanitizer

Signal Connection Point

1 Amp Max load/115VAC

4. The Rinse aid/Sanitizer

signal is limited to a max-

imum load of 1 Amp.

Signal voltage is 115VAC.

Figure 11

Chemical Signal

Connection Points

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INSTALLATION

Chemical Connections (Cont.)

Refer to Fig. 12

5. A 1/2" detergent probe injection point is

provided at the rear and left side of the

dishwasher.

6. Detergent may be added manually if your

dishwasher is not equipped with

dispensing equipment. Consult your

chemical supplier for recommended

amounts.

Figure 12

Detergent Probe

Refer to Fig. 13

Injection Points, 1/2"

7. MH-60, 6N, 6L

A 1/4" NPT rinse aid injection point is

provided in the final rinse manifold.

Use a liquid rinse aid.

The manifold is located on the top right

side of the dishwasher.

MH-60, 6N

8. MH-6L Only

A 1/8" NPT sanitizer injection point is

provided in the final rinse manifold.

1/4" NPT Rinse aid

Injection Point

Model MH-60, 6N, 6L

Models MH-60 and MH-6N do not

require sanitizer.

9. Use a sodium hypochlorite (Chlorine)

based sanitizer at a minimum concentration

of 50PPM in the final rinse.

10. Use chlorine test papers to verify and

monitor the 50PPM chlorine level.

WARNING:

Never premix rinse aid with the

sanitizing agent. Mixing may cause

hazardous gases to form.

MH-6L

1/8" NPT Sanitizer

CAUTION:

Injection Point

Some metals, including silver, aluminum

and pewter, are attacked by sodium

hypochlorinte (chlorine). Avoid cleaning

these metals in a MH-6L.

Model MH-6L only

Figure 13

Rinse Aid and

Sanitizer Injection Points

(Top of Dishwasher)

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INITIALSTART-UP

INITIAL START-UP

Complete the installation

After plumbing and electrical connections are made, follow

the steps below to complete the installation of your dishwasher.

1. Remove the white protective covering from the

exterior of the machine.

2. Remove any foreign material from inside

the machine.

3. Make sure dishwasher power switch is off.

4. Turn main water supply on.

5. Turn main power on at the main power

service disconnect switch.

Install the Scrap Screens

and Drain-Overflow Assembly

Install scrap screens.

Make sure rubber stopper

is secure on the drain-

overflow assembly.

Make sure the drain-overflow

seats securely in the

tank bottom.

MAKE SURE DOORS

ARE FULLY CLOSED.

POWER

EXTENDED WASH

CYCLE

The controls are located

on the front of the dishwasher.

A- On/Off power switch

OFF

B- Power indicator Light

WASH

RINSE PRESSURE

C- In-cycle light

D- Extended wash switch

E- Wash water

temperature gauge

F- Final rinse

pressure gauge

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INITIAL START-UP

INITIAL START-UP (Cont.)

POWER

EXTENDED WASH

CYCLE

THE POWER SWITCH IS

ON DURING INITIAL FILL.

OFF

Make sure the doors are fully closed.

Push the On/Off power

WASH

RINSE PRESSURE

switch to the UP position.

THE DISHWASHER FILLS

AUTOMATICALLY.

NOTE:

The dishwasher will fill automatically each

time the power is turned off even if the

dishwasher is full of water.

POWER

EXTENDED WASH

CYCLE

Note that the power indicator

light is illuminated.

OFF

WASH

RINSE PRESSURE

Check Wash

Water Temperature

The wash tank heater and

the (booster tank heater, MH-60 only)

will begin to heat the water in

the dishwasher.

POWER

EXTENDED WASH

CYCLE

Wait approximately 10 minutes

for the wash tank water to

reach operating temperature.

OFF

WASH

RINSE PRESSURE

The temperature should be a minimum

of 150°F/66°C for (MH-60, MH-6N).

The MH-6L requires a minimum of

120°F/49°C. However, a minimum of

140°F/60°C is optimum for the MH-6L.

Prescrap the dishes. Load ware into

the dishrack. Open the doors, insert the

rack into the dishwasher.

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INITIALSTART-UP

INITIAL START-UP (Cont.)

Fully close the dishwasher doors.

The dishwasher will begin the

automatic cycle.

Opening the doors anytime

during the cycle will stop the

dishwasher.

Closing the doors will resume

the automatic cycle where it

left off.

The cycle times are listed below:

Wash

Dwell

Final rinse

45 seconds

1 second

14 seconds

POWER

EXTENDED WASH

CYCLE

Note that the in-cycle light

is lit during the automatic

dishwasher cycle.

OFF

WASH

RINSE PRESSURE

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INITIAL START-UP

INITIAL START-UP (Cont.)

Check Final Rinse

Water Temperature

Check the final rinse water

temperature during the

final rinse cycle.

The final rinse water

temperature gauge is located

in the final rinse piping at

the top of the dishwasher.

The final rinse water tempera-

ture should be a minimum of

180°F/82°C for (MH-60, MH-6N).

The optimum final rinse temperature

for (MH-60, MH-6N) is

180-195°F/82-91°C.

The MH-6L requires a minimum final

rinse temperature of 120°F/49°C.

However, a minimum final rinse temperature of

140°F/60°C is optimum for the MH-6L.

POWER

EXTENDED WASH

CYCLE

Check Final Rinse

Water Pressure

OFF

The final rinse water pressure gauge

should indicate a flowing pressure of

20-22 PSI/138-151.8 kPa during the

final rinse cycle for all models.

WASH

RINSE PRESSURE

A pressure reducing valve (PRV) is

required if flow pressure exceeds

20-22 PSI/138-151.8 kPa.

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INITIALSTART-UP

INITIAL START-UP (Cont.)

POWER

EXTENDED WASH

CYCLE

The Extended Wash

Operation

The extended wash switch holds the

dishwasher in a continuous wash mode

for cleaning heavily soiled ware.

OFF

WASH

RINSE PRESSURE

Open and then fully close the

dishwasher doors. The dish-

washer will begin a wash

cycle automatically.

Push the Extended wash switch UP

to the extended wash position.

The dishwasher will remain in

a continuous wash mode until

the switch is flipped down. The dishwasher will

resume the cycle and finish with a final rinse.

Complete the initial start-up

Check all the plumbing for leaks. Also, check the drain plumbing for leaks and be sure that the drain will

handle the drain water flow (15 gal/min-56.8 liters/min) from the dishwasher.

After the drain and the plumbing connections are checked, turn off the dishwasher power switch.

Drain the dishwasher

Make sure the dishwasher

power switch is turned off.

Drain the dishwasher by

pulling the handle of the

drain-overflow assem-

bly straight up. Rotate the

handle 90° to lock the drain

in the up position.

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INITIAL START-UP

INITIAL START-UP (Cont.)

Drain the dishwasher (Cont.)

Be sure the drain-overflow seal is secure

on the drain-overflow assembly.

Remove the scrap screens and

check the drain located in

the bottom of the dishwasher

wash tank.

Make sure that the building drain handles the

water flow exiting the dishwasher.

Clean the interior of the wash

tank of any foreign material.

Leave the doors open to air

dry the interior of the

dishwasher.

The initial start-up is complete.

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OPERATION

OPERATION SUMMARY

Action

Result

1. Push the On/Off power switch “UP” to

the ON position. Dishwasher fills

automatically.

1. The power indicator light illuminates. The

wash tank heater and the booster tank heater

begin to heat.

2. Wait approximately 10 minutes for the

wash tank heater to heat the water. Then,

check the reading on the wash water

temperature gauge.

2. The wash water temperature gauge should

indicate a minimum of 150°F/66°C for MH-

60,MH-6N and 120°F/60°C for MH-6L.

3. Prescrap and load the ware into the

dishrack.

3. Ware should be placed edgewise in the peg

rack. Cups and bowls should be placed upside

down in the flat rack. Silverware should be

spread evenly in a single layer in the flat rack.

4. Open the doors.

4. In-cycle light illuminates as the dishwasher

begins a 60 second automatic cycle.

The cycle times are listed below:

Insert a dishrack of soiled ware.

Fully close the doors.

Opening the doors anytime during the

automatic cycle stops the dishwasher.

Closing the doors will resume the cycle

where it left off.

Wash = 45 seconds

Dwell = 1 second

Final rinse = 14 seconds

5. Check the final rinse temperature gauge

reading during the 14 second final rinse

cycle.

5. The final rinse temperature gauge should

indicate a minimum of 180°F/82°C for MH-60/

6N. The optimum final rinse temperature

range is between 180-195°F/82-90°C for

MH60/6N. MH-6L optimum is 140°F/60°C.

6. Check the incoming water pressure

during the 10 second final rinse cycle.

6. The water pressure gauge should indicate a

flowing pressure of 20-22 PSI/138-151.8 kPa.

A pressure reducing valve (PRV) is required if

flow pressure exceeds 20-22 PSI/138-151.8 kPa.

7. The 60 second automatic cycle ends.

7. The in-cycle light goes out.

8. Open the doors. Remove the clean rack.

Insert another rack of soiled ware.

Fully close the doors.

8. The 60 second automatic cycle begins again.

9. Turn power OFF at the dishwasher.

Remove the drain-overflow assembly.

Clean the scrap screens. Clean the

dishwasher after each meal period or

every two hours of operation.

9. Dishwasher wash tank drains completely.

Periodic cleaning reduces detergent

consumption and improves washing results.

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CLEANING

Cleaning your machine is the best maintenance that you can provide. Components that are not regularly

flushed and cleaned do not perform well.

The following schedules are the minimum requirements necessary for the proper performance of your

machine. Intervals should be shortened whenever your machine is faced with abnormal working conditions,

hard water, or multiple shift operations.

CLEANING SCHEDULE

Every 2 Hours or After Each Meal Period

1. Drain the dishwasher.

2. Flush interior with fresh water.

3. Clean scrap screens and pump intake screen.

4. Clean spray arm nozzles.

Every 8 Hours or at the End of the Day

1. Drain the machine.

2. Flush interior with fresh water.

3. Clean scrap screens and pump intake screen.

4. Clean spray arms.

5. Thoroughly clean the exterior

of machine.

DO NOT HOSE DOWN

WITH WATER.

6. Reassemble the machine.

7. Leave doors open to aid in drying.

CAUTION:

Do not leave water in wash

tank overnight.

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CLEANING

DELIMING

Your dishwasher should be delimed regularly depending on the mineral content of your water.

Inspect the machine interior for mineral deposits and use a deliming solution for the best cleaning

results.

NOTE:

Consult your chemical supplier for an appropriate deliming solution.

WARNING:

Deliming solutions or other acids must not come in contact with household bleach

(sodium hypochlorite) or any chemicals containing chlorine, iodine, bromine, or fluorine.

Mixing will cause hazardous gases to form.

Skin contact with deliming solutions can cause severe irritation and possible

chemical burns. Consult your chemical supplier for specific safety precautions.

DELIMING PROCESS

Model MH-60 and MH-6N

1. Remove all dishes from machine.

2. Remove any chemical pick-up tubes from their containers.

3. Place each tube in a container of fresh water and prime the chemical lines for several minutes

to thoroughly flush chemical from the lines. Leave pick-up tubes out of their containers.

4. Drain the machine and refill with fresh water.

5. Spray interior walls with delimimg solution and let sit for 5 or 10 minutes depending on

amount of build-up. Add deliming solution to wash tank.

Do not let chemicals sit for longer than 15 minutes.

6. Close the doors to run an automatic cycle.

7. Repeat Steps 4-6 if necessary.

8. Lift the drain lever assembly and drain the machine.

9. Refill the machine and run a complete cycle two additional times. Drain and refill the ma-

chine after each cycle to thoroughly flush any deliming solution from the interior of the

machine.

10. Flip the power switch to OFF.

11. Drain machine.

12. Deliming is complete.

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TROUBLESHOOTING

Perform the seven checks listed below in the event that your dishwasher does not operate

as expected.

1. All switches are ON

2. Drain-overflow assemby is in place and seated

3. Wash and rinse nozzles are clean

4. Wash and rinse pipe assemblies are installed correctly

5. Scrap screens are properly positioned

6. Thermostat(s) are properly adjusted

7. Detergent and rinse additive dispensers are adequately filled

If a problem still exists, use the following table for troubleshooting

CONDITION

CAUSE

SOLUTION

Machine will not start

Doors not closed ...................................

Door safety switch faulty ......................

Start switch faulty .................................

Main switch off .....................................

Overload protector tripped ...................

Make sure doors are fully closed

Contact your service agency

Check disconnect at main panel

Reset overload in Control Box

Machine washes

constantly

Extended wash switch in.......................

extended wash position

Push Extended wash switch

down to the off position

Low or no water

Main water supply is turned off ............

Drain-overflow assembly is not ............

in place and seated

Turn on house water supply

Place and seat drain-overflow

Machine doors not fully closed.............

Faulty fill valve .....................................

Machine not filled initially ...................

Clogged strainer in fill valve ................

Close doors securely

Contact your service agency

Push Power switch UP to fill

Clean or replace

Continuous water filling

Wash motor not running

Stuck or defective Fill Timer ................

Fill valve will not close.........................

Drain-overflow not in place ..................

Contact your service agency

Clean or replace

Install drain-overflow assembly

Overload protector tripped ....................

Defective motor ....................................

Reset overload in Control Box

Contact your service agency

Wash tank water

temperature is low

when in use

Incoming water temperature .................

at machine too low

Raise temperature to:

110-140°F/43-60°C for MH60

180°F/82°C for MH-6N

120°F/49°C-140°F/60°C for MH6L

Check or replace

Defective thermometer

Defective thermostat .............................

Check for proper setting

or replace

Defective heater element ......................

Defective solenoid valve.......................

Heater elements.....................................

have soil/lime buildup

Check or replace

Clean and delime

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TROUBLESHOOTING

TROUBLESHOOTING (Cont.)

CONDITION

CAUSE

SOLUTION

Insufficient pumped

spray pressure

Clogged pump intake screen .................

Clogged spray pipe ...............................

Scrap screen full....................................

Low water level in tank ........................

Pump motor rotation incorrect ..............

Clean

Must be kept clean and in place

Check drain-overflow assembly

Reverse connection between L1

and L2 in Control Cabinet

Defective pump seal..............................

Contact Service Agent

Insufficient final rinse

or no final rinse

Faulty pressure reducing valve .............

Improper setting on pressure.................

reducing valve

Clean or replace

Set flow pressure at 20-22 PSI/

138-151.8 kPa

Clogged rinse nozzle and/or .................

pipe

Clean

Improper water line size .......................

Have installer change to

proper size

Clogged strainer in fill valve ................

Clean or replace

Low final rinse

temperature

Low incoming water

temperature ...........................................

Check the booster (MH60, MH6N)

be sure the thermostat is set to

maintain180°F/82°C temperature.

MH6L check incoming water is set

Min. 120°F/49°C-140°F/60°C.

Check valve to be sure it is clean

and operating

Defective thermometer .........................

Check for proper setting or

replace

Poor washing results

Detergent dispenser...............................

not operating properly

Contact detergent supplier

Insufficient detergents...........................

Wash water temperature .......................

too low

Wash arm clogged ................................

Improperly scraped dishes ....................

Ware being improperly .........................

placed in rack

Contact detergent supplier

See condition “Wash Tank

Water Temperature” above

Clean

Check scraping procedures

Use proper racks. Do not

overload racks

Improperly cleaned ...............................

equipment

Unclog wash sprays and rinse

nozzles to maintain proper

pressure and flow conditions.

Overflows must be open. Keep

wash water as clean as possible.

Clean and delime

Heater elements.....................................

have soil/lime buildup

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BASIC SERVICE

This Basic Service section does not cover all possible repair procedures. If you require additional

service support, you may call your local service company or:

Moyer Diebel National Service

USA:

1-800-858-4477

Canada: 1-800-263-5798

Please have the Model and Serial Number of the machine ready when you call.

ELECTRICAL SERVICE

NOTE:

DO NOT USE CHASSIS GROUND WHEN PERFORMING VOLTAGE CHECKS.

Doing so will result in false and inaccurate readings.

PERFORM VOLTAGE CHECKS BY READING FROM THE HOT SIDE OF THE

LINE AND NEUTRAL (any #2 or white wire).

WARNING:

USE EXTREME CAUTION when performing tests on energized circuits.

WARNING:

When repairing a circuit, disconnect the power at the main service disconnect switch and

place a tag at the disconnect switch to indicate that work is being performed on the circuit.

Troubleshooting

Schematics

Moyer Diebel places an electrical schematic in the control cabinet of every machine before it is

shipped. Schematics are included at the back of this manual as well. Be aware that these schemat-

ics include options that may not apply to your machine. Options are enclosed in dashed lines with

the words (IF USED) next to them on the schematic. Disregard any options that appear on the

schematics which are not a part of your machine.

Tools

All electrical repairs can be made with: Standard set of hand tools

Volt/Ohm Meter (VOM)

Clip-on AC current tester

Circuit Tests

Use a clip-on AC current tester to check the motors and electric heaters.

Use a VOM to test line voltages and the 115VAC control circuit.

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BASIC SERVICE

ELECTRICAL SERVICE (Cont.)

Fuses —

Refer to Fig. 14.

There are two fuse blocks. A 3 pole block

(A) is located in the main control cabinet.

The (A) fuses protect the wash tank heater

circuit. Booster heater circuits

(MH-60 only) are not fused. A 2 pole

fuse block is located on the machine base

to protect the control circuit.

To Replace a fuse:

Turn the dishwasher main power switch

off. Disconnect power to the machine at

the main service disconnect switch.

Replace the fuse. If the fuse blows again,

DO NOT INCREASE THE FUSE SIZE.

DETERMINE THE CAUSE OF THE OVERLOAD.

Figure 14

Wash tank heater fuses

Control Cabinet

Motor Overloads —

The wash pump motor has an overload to protect it from line

voltage electrical overloads. The overload disconnects

120VAC power to the motor contactor coil.

Switch Lever

Refer to Fig. 15.

Note the Switch Lever on the Overload.

If the switch lever is off with the “0” showing

then the overload has tripped.

To Reset the Motor Overload:

Flip the overload switch to the On position.

A “1” should be visible on the switch lever.

To Replace a Motor Overload:

Disconnect the wires to the overload.

Release the mounting catch on the front

side of the overload. Push forward and lift out.

Snap the new overload into place and reconnect

the wires.

Figure 15

Motor Overload

To adjust the overload setting:

The screwdriver in Fig. 15 is positioned

to adjust the motor overload AMP setting.

Read the full load amps (FLA) motor amps on the motor

nameplate. Turn setting to match the motor nameplate.

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BASIC SERVICE

ELECTRICAL SERVICE (Cont.)

Timers

MH-60, MH-6N, and MH-6L models have two timers

located in the control cabinet.

These timers are not adjustable.

The timer chart is shown in Fig. 17.

Cycle Timer —

Refer to Fig. 16.

The cycle timer controls the dishwasher’s 60-second

operation. The timer consists of a timer motor, four

micro-switches, and four non-adjustable metal cams.

Cam A controls power to the timer motor

Cam B controls power to the wash motor.

Cam C is not used.

Cam D controls power to the final rinse valve.

Figure 16

Cycle Timer

Cycle = 60 secs.

TIMER MOTOR

^TRANC

HOMING CYCLE CAM

Figure 17

Cycle Timer Chart

TRB

Wash = 45 secs.

WASH CYCLE CAM

(TRC Not Used)

^TRDNC

Rinse = 14 secs.

RINSE CYCLE CAM

Fill Timer —

Refer to Fig. 18.

The fill timer controls the dishwasher’s 90-second fill operation.

The timer consists of a timer motor, one micro-switch, and one

non-adjustable plastic cam. The fill timer operates during initial fill.

The fill timer also operates if main power is turned off and then

turned back on even if the dishwasher is full of water.

Figure 18

Fill Timer

FILL TIME 90-SEC.

FILL TIMER

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BASIC SERVICE

ELECTRICAL SERVICE (Cont.)

Heater Element Wiring – Booster Tank and Wash Tank Heater Elements

Refer to the illustrations and follow the steps below to properly install terminal jumpers and to

make line power connections to a replacement element.

Step 1. Hold the element assembly with the calrod coils facing toward you.

Step 2. Match your element coil to Configuration A, B, C, or D.

Step 3. Rotate your element coils to match the correct configuration.

Step 4. Turn the element over and match your element to the correct terminal configuration.

Step 5. Install terminal jumpers according to the illustration for your voltage requirement.

Step 6. Install the element and make your line connections 1L1, 1L2, or 1L3 per the illustration.

Configuration A

Booster tank element

Terminal Connections View of element

View of calrod coils

1L3

1L1

1L2

1L1

1L2

208V/1 Phase

208-240V/3 Phase

Delta Connection

480V/3 Phase

575V/3 Phase

Delta Connection

208-240V/3 Phase

Wye Connection for

380-415V/3 Phase

Configuration B

Booster tank element

Terminal Connections View of element

View of calrod coils

1L1

1L2

1L3

1L1

1L2

1L3

1L2

208V/1 Phase

208-240V/3 Phase

Delta Connection

480V/3 Phase

575V/3 Phase

Delta Connection

208-240V/3 Phase

Wye Connection for

380-415V/3 Phase

Configuration C

Booster tank element

Terminal Connections View of element

View of calrod coils

1L2

1L1

1L3

1L1

1L3

1L2

208V/1 Phase

208-240V/3 Phase

Delta Connection

480V/3 Phase

575V/3 Phase

Delta Connection

208-240V/3 Phase

Wye Connection for

380-415V/3 Phase

Configuration D

Wash tank element

Terminal Connections View of element

View of calrod coils

1L1

1L2

1L3

1L2

1L3

1L2

208V/1 Phase

208-240V/3 Phase

Delta Connection

480V/3 Phase

575V/3 Phase

Delta Connection

208-240V/3 Phase

Wye Connection for

380-415V/3 Phase

Figure 19

Heater Element Wiring

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BASIC SERVICE

ELECTRICAL SERVICE (Cont.)

Motor Connections —

1. Models MH-60, MH-6N, and MH-6L are available in either single phase or 3 phase voltages.

2. Motor rotation was set at the factory. For three phase machines, reversing the motor direction

is done in the control cabinet by reversing the wires L1 and L2 on the disconnect side of the

main electrical connection block. For single phase machines, motor rotation is changed at the

motor connection plate on the rear of the single phase motor (if necessary).

Refer to Fig. 20 for the proper wiring of the pump motor for single and three phase voltages.

Single Phase - Low Voltage

Single Phase - High Voltage

LINE

Figure 20

Pump Motor Wiring Diagrams

208-240V

480V

Three Phase - Low Voltage

Three Phase - High Voltage

575V Only

Three Phase

LINE

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BASIC SERVICE

MECHANICAL SERVICE

Pump Seal Replacement

1. Disconnect the power to the machine at the main breaker panel or fuse box.

2. Drain the machine.

3. Remove the front and side panels.

4. Remove drain plug on the pump volute and drain the pump.

5. Remove the pump hoses.

6. Disconnect the wires to the motor at the motor junction box.

7. Unbolt motor from machine base and remove the pump/motor assembly.

8. Remove bolts on volute and carefully remove from the pump flange.

9. Remove the impeller retaining bolt and nut from center of impeller.

10. Lock the motor shaft with a wrench or pliers. The back of motor shaft is square.

11. Turn the impeller counter-clockwise to remove from shaft (right hand threads).

12. Remove the old seal and discard.

13. Check seal seat in the pump flange and clean thoroughly.

14. Press rubber seal/ceramic portion of seal assembly into the pump flange. Use a water

soluble lubricant. Be careful to keep the ceramic clean.

15. Install the rotating part of the seal on the shaft with the graphite surface toward the ceramic.

Use a water soluble lubricant on the rubber seal part only (not the graphite).

16. Reinstall impeller, and new flange gasket. Reinstall bolts. Reinstall drain plug.

17. Reinstall the pump/motor assembly and reconnect the pump hoses.

18. Fill the dishwasher with water.

19. Check motor rotation by bump starting motor.

Correct motor shaft rotation is clockwise when viewing motor from the rear.

20. Test run and check for leaks.

Gaskets

Pump Flange

Impeller

Volute

Washer

Seal Assy.

Bolt

(B)

Water

Slinger

Nut

Plug

Bolt

(A)

Backing Plate

Mtg. Nut

Backing Plate

Figure 21

Pump Seal Replacement

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REPLACEMENT PARTS

REPLACEMENT

PARTS

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REPLACEMENT PARTS

Figure 22 - MH-60/6N/6L

Doors and Panels

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REPLACEMENT PARTS

MH-60/6N/6L

DOORS AND PANELS

Fig. 22

Item No.

Part

No.

Part Description

Qty.

0709405 DOOR, SIDE ................................................................................

0709317 FRONT DOOR, DOOR MACH ...................................................

321929

321930

112388

322074

321941

108418

109034

108417

100779

RH PANEL NO CUT OUT ...........................................................

PANEL,INSTRUMENT ...............................................................

DECAL, CONTROL PANEL .......................................................

PANEL, FRONT LOWER ............................................................

LH PANEL W/CUTOUT ..............................................................

PLUG PLASTIC ...........................................................................

WASHER 13/16 X 1 13/16 FIBER ...............................................

NUT, PLASTIC.............................................................................

SCREW, 1/4-20 X 5/8 TRUSS HEAD .........................................

0504822 SCREW, 8-32 X 1/2 PAN HEAD .................................................

100763

112587

SCREW, 10-32 X 1-1/4 ROUND HEAD .....................................

FOOT, CAST GREY.....................................................................

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REPLACEMENT PARTS

Figure 23 - MH-60/6N/6L

Door Guides, Stops, and Lift Bracket

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REPLACEMENT PARTS

MH-60/6N/6L

DOOR GUIDES, STOPS, AND LIFT BRACKET

Fig. 23

Item No.

Part

No.

Part Description

Qty.

108053

107966

PLUG, CORNERPOST ................................................................

NUT, GRIP 10-32 W/INSERT ......................................................

0309277 BRACKET, DOOR LIFT..............................................................

100097

108347

108410

107970

100007

SCREW 10-32 X 1/2" TRUSS HEAD..........................................

GUIDE, DOOR .............................................................................

GASKET, DOOR GUIDE (26") ...................................................

SCREW 8-32 X 1 FILISTER........................................................

SCREW 10-32 X 3/8 TRUSS HEAD ...........................................

0307328 STOP, DOOR ................................................................................

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REPLACEMENT PARTS

Figure 24 - MH-60/6N/6L

Door Handle, Spring Assembly, and Safety Switch

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REPLACEMENT PARTS

MH-60/6N/6L

DOOR HANDLE, SPRING ASSEMBLY, AND SAFETY SWITCH

Fig. 24

Part

Item No.

No.

Part Description

Qty.

0509168 BOLT 5/16-18 X 11 HEX HEAD .................................................

108066

107397

SPRING, EXTENSION ................................................................

BLOCK, SPRING HOOK ............................................................

0509166 DOOR HANDLE ..........................................................................

107437

107396

107393

BOLT M6 X 45MM HEX HEAD .................................................

BLOCK, UPPER PIVOT ..............................................................

PIN, PIVOT ..................................................................................

0508864 HANDLE, GRIP ...........................................................................

107395

107420

107436

107399

108368

304811

100740

107966

322077

100097

BLOCK, LOWER PIVOT ............................................................

NUT, PLAIN M6 ..........................................................................

SCREW M6 X 16MM FILISTER ................................................

SUPPORT, PIVOT BLOCK .........................................................

GASKET, BACKING ...................................................................

PLATE, BACKING ......................................................................

BOLT 5/16-18 X 1 HEX HEAD ...................................................

NUT, GRIP 10-32 W/NYLON INSERT .......................................

GUARD, SPLASH........................................................................

SCREW 10-32 X 1/2 TRUSS HEAD ...........................................

0509264 BUSHING, SIDE DOOR..............................................................

0509274 NUT, ACORN 5/16-18 SST..........................................................

0309167 LIFT BAR, DOOR ........................................................................

102376

104002

100154

106013

102376

321927

WASHER, FLAT...........................................................................

BOLT 5/16-18 X 1-1/2 ..................................................................

NUT, PLAIN 5/16-18....................................................................

WASHER, LOCK 5/16 SPLIT......................................................

WASHER 5/16 X 3/4 X 1/16 ........................................................

SPRING ANCHOR BRACKET ...................................................

0509199 SWITCH, DOOR SAFETY ..........................................................

0309451 BRACKET, SWITCH ...................................................................

107967

NUT, GRIP (1/4-20 w/nylon insert)..............................................

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REPLACEMENT PARTS

Figure 25 - MH-60/6N/6L

Track Assembly

(Corner configuration shown)

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REPLACEMENT PARTS

MH-60/6N/6L

TRACK ASSEMBLY

Fig. 25

Item No.

Part

No.

Part Description

Qty.

0309469 GUIDE, RIGHT HAND................................................................

0309472 TRACK, REAR ............................................................................

0309468 GUIDE, LEFT HAND ..................................................................

0309470 SUPPORT, RACK.........................................................................

0309471 TRACK, FRONT ..........................................................................

106727

107966

100779

106482

100003

SCREW (10-32 x 5/8 Flat Hd) ......................................................

NUT, GRIP (10-32 w/nylon insert) ...............................................

BOLT (1/4 -20 x 5/8 Truss Hd) .....................................................

WASHER, LOCK .........................................................................

NUT (1/4-20 Hex Hd) ...................................................................

0309473 SPACER ........................................................................................

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REPLACEMENT PARTS

FRONT

LEFT SIDE

Figure 26 - MH-60/6N/6L

Wash/Rinse Spray Piping

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REPLACEMENT PARTS

MH-60/6N/6L

WASH/RINSE SPRAY PIPING

Fig. 26

Item No.

Part

No.

Part Description

Qty.

0309444 RINSE TUBE................................................................................

0509181 FITTING, STRAIGHT COMPRESSION ....................................

0509150 CONNECTOR, TOP RINSE.........................................................

0509180 FITTING, STRAIGHT COMPRESSION ....................................

0309445 RINSE TUBE, TOP ......................................................................

0509179 FITTING, BULKHEAD 1/2"NPT ................................................

0507445 SPINDLE, WASH ARM ...............................................................

109864

SUPPORT, WASH ARM...............................................................

0509178 CONNECTOR, BOTTOM RINSE ...............................................

109781

100736

107967

106482

STANDPIPE, WASH ....................................................................

BOLT 1/4-20 X 3/4 HEX HEAD ..................................................

NUT, GRIP 1/4-20 ........................................................................

WASHER, SPLIT LOCK SST ......................................................

0309350 WASHER ......................................................................................

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REPLACEMENT PARTS

Figure 27 - MH-60/6N/6L

Wash/Rinse Spray Arms

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REPLACEMENT PARTS

MH-60/6N/6L

WASH/RINSE SPRAY ARMS

Fig. 27

Item No.

Part

No.

Part Description

Qty.

0507443 SPINDLE, RINSE ARM ...............................................................

0508376 NOZZLE, RINSE ARM (MH-60, MH-6N only) .........................

112164

BEARING, RINSE ARM .............................................................

0707453 RINSE ARM ASSY. (Includes 2 & 3) ..........................................

0507444 NUT, RINSE ARM .......................................................................

109835

SCREW (#8 X 1/2 PAN HD) ........................................................

0707452-S WASH ARM ASSY. (Includes 6 & 8)...........................................

0507446 BEARING,WASH ARM...............................................................

0507451 NOZZLE RINSE ARM (SST) (Model MH-6L only) ...................

0708899 RINSE ARM ASSY. (Model MH-6L only) (Includes 3 & 9) .......

—

0707450 RINSE ARM (Does not include items 2, 3 or 9) ..........................

0707456 WASH ARM (Does not include item 8)........................................

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REPLACEMENT PARTS

Figure 28 - MH-60/6N/6L

Drain Assembly and Scrap Screens

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REPLACEMENT PARTS

MH-60/6N/6L

DRAIN ASSEMBLY AND SCRAP SCREENS

Fig. 28

Item No.

Part

No.

Part Description

Qty.

112393

112394

112392

100097

322159

321939

322120

100194

100141

322006

107680

205813

112044

112045

107473

305164

KNOB, DRAIN LIFT ...................................................................

ROD ASSY, DRAIN LIFT............................................................

GUIDE, DRAIN LIFT ..................................................................

SCREW (10-32 X 1/2" TRUSS HD) ............................................

RETAINER, OVERFLOW ...........................................................

FILLER, DRAIN PLATE (retained by spring clip) ......................

FILLER, DRAIN PLATE (retained by stud and nut) (Not shown)

NUT, GRIP (10-32 SST) ...............................................................

NUT , GRIP (1/4-20 SST).............................................................

TUBE, OVERFLOW ....................................................................

SEAT RUBBER, OVERFLOW TUBE.........................................

DRAIN BASKET, MODIFIED ....................................................

SLIP NUT .....................................................................................

WASHER, TAILPIECE ................................................................

TAILPIECE ...................................................................................

SCREEN, SCRAP.........................................................................

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REPLACEMENT PARTS

Thermostat bracket detail

Figure 29 - MH-60/6N/6L

Wash Tank Heat and Thermostats

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REPLACEMENT PARTS

MH-60/6N/6L

WASH TANK HEAT AND THERMOSTATS

Fig. 29

Item No.

Part

No.

Part Description

Qty.

108391

109069

201041

201029

322076

110561

106482

100003

100740

108345

102376

106013

100154

THERMOMETER 4 FT. ...............................................................

THERMOSTAT W/CAP 110-220°F .............................................

WASHER ......................................................................................

NUT, LOCK 1/2" ..........................................................................

DUAL THERMOSTAT BRACKET .............................................

THERMOSTAT, FIXED HIGH LIMIT ........................................

WASHER, LOCK 1/4 SPLIT SST ................................................

NUT, PLAIN 1/4-20 SST..............................................................

BOLT 5/16-18 X 1 HEX HEAD ...................................................

GASKET 3 X 3-1/8 X 2" ..............................................................

WASHER 5/16 X 3/4 X 1/16 ........................................................

WASHER, LOCK 5/16 SPLIT......................................................

NUT, PLAIN 5/16-18 SST............................................................

0509637 HEATER 3KW 115V/1PH ............................................................

0509185 HEATER 3KW 208-240/380-415V 1/3PH ...................................

0509373 HEATER 3KW 460V/3PH............................................................

0507707 HEATER 3KW 575V/3PH............................................................

100007

107966

SCREW 10-32 X 3/8 TRUSS HEAD ...........................................

NUT, GRIP 10-32 W/NYLON INSERT .......................................

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REPLACEMENT PARTS

F R O M F I L L V A L V E

TO UPPER PIPING

Figure 30- MH-60 Only

Electric Booster and Thermostats

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REPLACEMENT PARTS

MH-60 ONLY

ELECTRIC BOOSTER AND THERMOSTATS

Fig. 30

Item No.

Part

No.

Part Description

Qty.

100740

102376

108954

110562

110563

109069

100003

106482

111233

108579

111122

111266

111267

111600

109985

100210

BOLT 5/16-18 X 1 HEX HEAD ...................................................

WASHER, FLAT 5/16 X 3/4 X 1/16.............................................

NUT, GRIP 6-32 W/INSERT ........................................................

THERMOSTAT, HIGH LIMIT.....................................................

COMPOUND, HEAT SINK .........................................................

THERMOSTAT, BOOSTER.........................................................

NUT, PLAIN 1/4-20 SST..............................................................

WASHER, LOCK 1/4 SPLIT........................................................

HEATER 9KW 208-240/380-415V, 40°RISE (1 & 3 phase) .......

HEATER 9KW 480V, 40°RISE (3 phase only) ...........................

HEATER 9KW 575V, 40°RISE (3 phase only) ............................

HEATER 18KW 208-240/380-415V, 70°RISE (1 & 3 phase) .....

HEATER 18KW 480V, 70°RISE (3 phase only) ..........................

HEATER 18KW 575V, 70°RISE (3 phase only) ..........................

SEAL, ELECTRIC HEATER .......................................................

PLUG 1/8 SST ..............................................................................

A/R

0509042 TANK, BOOSTER........................................................................

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REPLACEMENT PARTS

TO UPPER

PIPING

CUSTOMER

WATER

INLET

Figure 31 - MH-60 Only

Lower Fill Piping Assembly

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REPLACEMENT PARTS

MH-60 ONLY

LOWER FILL PIPING ASSEMBLY

Fig. 31

Item No.

Part

No.

Part Description

Qty.

112387

102444

102651

111437

100184

102525

100571

102388

112437

100171

107419

105994

107417

107065

107928

111100

109812

109816

108516

109903

LINE STRAINER/PRV COMBO .................................................

STREET ELL 3/4" NPT BRASS ..................................................

NIPPLE 3/4" X 2" BRASS ...........................................................

VALVE 3/4" NPT HOT WATER ..................................................

NIPPLE 3/4" NPT .........................................................................

TEE 3/4" X 1/2" X 3/4" BRASS...................................................

UNION 3/4" NPT BRASS ............................................................

BUSHING REDUCER 1/2" X 1/4" BRASS ................................

VALVE, NEEDLE 1/4".................................................................

BUSHING REDUCER 3/4" X 1/2" BRASS ................................

BARB, HOSE 1/2 NPT X 1/2 HOSE ...........................................

CLAMP, HOSE .............................................................................

HOSE, 1/2" I.D. ............................................................................

CONNECTOR, MALE 1/4" O.D. X 1/4 NPT ..............................

TUBING, HIGH DENSITY .........................................................

ELBOW, FEMALE 1/4" O.D. X 1/8 NPT....................................

GAUGE, PRESSURE 0-100 PSI ..................................................

OVERLAY, GAUGE 20-30 PSI ..................................................

COIL, SOLENOID VALVE (120V) .............................................

KIT, REPAIR, 3/4" SOLENOID VALVE .....................................

9ft.

3ft.

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REPLACEMENT PARTS

WATER IN FROM

LOWER PIPING

Figure 32 - MH-60/6N Only

Upper Fill Piping Assembly

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REPLACEMENT PARTS

MH-60/6N ONLY

UPPER FILL PIPING ASSEMBLY

Fig. 32

Item No.

Part

No.

Part Description

Qty.

102438

102567

102392

100599

108181

107463

112430

100184

104429

107419

105994

ELBOW STREET, 1/2" NPT X 90° BRASS ................................

NIPPLE, 1/2" NPT X 3" BRASS.................................................

BUSHING, REDUCER 3/4" NPT X 1/2" NPT BRASS ..............

CROSS 3/4" NPT BRASS ............................................................

BUSHING, REDUCER 3/4" X 1/4" NPT PLASTIC ...................

PLUG, 1/4" NPT PLASTIC ..........................................................

ELBOW, STREET 3/4" X 90° BRASS ........................................

NIPPLE, 3/4" NPT CLOSE BRASS.............................................

VACUUM BREAKER, 3/4" NPT BRASS ...................................

BARB, HOSE 1/2 NPT X 1/2 HOSE ...........................................

CLAMP, HOSE .............................................................................

0309426 BRACKET, PLUMBING SUPPORT ...........................................

112410

108351

THERMOMETER, FINAL RINSE, 2" STEM .............................

KIT, REPAIR, 3/4" VACUUM BREAKER ..................................

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REPLACEMENT PARTS

TO UPPER

PIPING

CUSTOMER

WATER IN

Figure 33 - MH-6N/6L Only

Lower Fill Piping Assembly

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REPLACEMENT PARTS

MH-6N/6L ONLY

LOWER FILL PIPING ASSEMBLY

Fig. 33

Item No.

Part

No.

Part Description

Qty.

102444

ELBOW, STREET X 90° BRASS ...............................................

0309340 BRACKET, PLUMBING SUPPORT ...........................................

110768

111437

100184

102525

100171

107419

105994

102388

112437

107417

107065

107928

111100

109812

109816

108516

109903

LINE STRAINER, 3/4" BRASS...................................................

VALVE 3/4" NPT HOT WATER ..................................................

NIPPLE 3/4" NPT .........................................................................

TEE 3/4" X 1/2" X 3/4" BRASS...................................................

BUSHING, REDUCER 3/4" X 1/2" BRASS ...............................

BARB, HOSE 1/2 NPT X 1/2 HOSE ...........................................

CLAMP, HOSE .............................................................................

BUSHING, REDUCER 1/2" X 1/4" BRASS ...............................