Triplex Ceramic
Plunger Pump
OperatingInstructions/
Repair and Service
Manual
Model
P46HT
Contents:
InstallationInstructions: page 2
Pump Specifications:
Exploded View:
Kits/TorqueSpecs:
Parts List:
page 3
page 4
page 4
page 5
TroubleShooting:
RepairInstructions:
Dimensions:
page 6
page 7
back page
back page
WarrantyInformation:
Updated 3/98
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PUMPSYSTEMMALFUNCTION
CAUSE
MALFUNCTION
REMEDY
Wornpackingseals
Brokenvalvespring
Beltslippage
WornorDamagednozzle
Fouleddischargevalve
Fouledinletstrainer
WornorDamagedhose
WornorPluggedreliefvalveonpump
Cavitation
ThePressureand/or
theDeliveryDrops
Replacepackingseals
Replacespring
TightenorReplacebelt
Replacenozzle
Cleanvalveassembly
Cleanstrainer
Repair/Replacehose
Clean,Reset,andReplacewornparts
Checksuctionlinesoninletof
pumpforrestrictions
Checkforproperoperation
Unloader
Highhumidity
Wornseals
Waterincrankcase
NoisyOperation
Reduceoilchangeinterval
Replaceseals
Wornbearings
Cavitation
Replacebearings,Refillcrankcase
oilwithrecommendedlubricant
Checkinletlinesforrestrictions
and/orpropersizing
Wornpacking
Inletrestriction
Rough/Pulsating
Operationwith
PressureDrop
Replacepacking
Checksystemforstoppage,air
leaks,correctlysizedinletplumbing
topump
Accumulatorpressure
Unloader
Cavitation
Recharge/Replaceaccumulator
Checkforproperoperation
Checkinletlinesforrestrictions
and/orpropersize
Restricteddischargeplumbing
PressureDropat
Gun
Re-sizedischargeplumbingto
flowrateofpump
Wornplungers
ExcessiveLeakage
Replaceplungers
Wornpacking/seals
Excessivevacuum
Crackedplungers
Inletpressuretoohigh
AdjustorReplacepackingseals
Reducesuctionvacuum
Replaceplungers
Reduceinletpressure
Wrong Grade of oil
Improper amount of oil in crankcase
HighCrankcase
Temperature
Giant oil is recommended
Adjust oil level to proper amount
3
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Exploded View - P46HT
P46HT REPAIR KITS
Valve Kit #09458
Seal Kit # 09514
Qty.
Part #
Description
Valve Cage
Valve Spring
Valve Plate
Valve Seat
O-Ring
Qty.
Part # Description
3
3
3
06018-0100
06017-0100
06016
3
3
11510 Spacer Sleeve
11511 Sleeve
3
06014
3
06015
P46HT TORQUE SPECIFICATIONS
Position
Item#
08456
07235
07034
Description
Tension Screw, Plunger
Plug, Inlet
Torque Amount
24B
41
108 in-lbs.
33-37 ft.-lbs.
32 ft.-lbs
43
Plug, Outlet
4
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P46HT PARTS LIST
ITEM
1
2
3
4
5
6
9
PART
07222
07181
08004
08005
08008
01009
07188
07223
08012
08013
07245
08015
08020
07225
07226
08022
01024
08024
07201
01031
07021
08456
08457
13333
07206
11510
07207
07033
11502
07230
11511
07231
07232
06018-0100
06017-0100
06016
06014
06015
07233
07234
07235
12004
07792
07035
07215
08040
08041
07237
07238
11512
07240
07109
13338
DESCRIPTION
Crankcase
Vent/FillerPlugwithSeal
Cover,Crankcase
O-Ring
OilDipstick
O-Ring
CylinderScrewwithSlot
Spring Washer
OilDrainPlugwithSeal
Gasket
BearingCover
RadialShaftSeal
GroovedBallBearing
HexagonScrew
Shaft Protector
Crankshaft
Woodruff Key
Connecting Rod
Crosshead Assy.
Crosshead Pin
PlungerPipe
Tension Screw
CopperScrew
OilScraper
QTY.
1
1
1
1
1
1
4
4
1
1
2
2
2
1
1
1
1
3
3
3
3
3
3
3
3
3
2
1
2
3
3
3
3
6
6
6
6
6
3
3
3
3
3
3
2
2
2
1
1
6
3
1
1
10
11
11A
12
14
15
16
17
18
19
20
22
23
24A
24B
24C
25
26
26A
28
29
29A
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
RadialShaftSeal
SpacerSleeve
CenteringSleeve
ValveCasing
Stud Bolt
Pressure Ring
Sleeve
Support Ring
Pressure Spring
Spring Tension Cap
ValveSpring
ValvePlate
ValveSeat
O-Ring
Suction Valve Adaptor
O-Ring
Plug
O-Ring
Plug
O-Ring
Stud Bolt
Hex Nut
Disc
IntermediateCasing
O-Ring
Sleeve
Support Ring
Plug
Plug
5
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Model P46HT
TRIPLEX CERAMIC PLUNGER PUMP
Volume ........................................................................................................ Up to 127 GPH1
Discharge Pressure .................................................................................... 900 PSI
Inlet Pressure.............................................................................................. 6 PSI minimum @ 194oF
.................................................................................................................... 15 PSI min. @ 194oF to 220o F
Plunger Diameter........................................................................................ 18mm
Crankcase Capacity.................................................................................... 8 fl. oz.
Temperature................................................................................................ Up to 220oF
Inlet Ports ................................................................................................... (2) 1/2" BSP
Discharge Ports .......................................................................................... (2) 3/8" BSP
Pulley Mounting .......................................................................................... Either Side
Shaft Rotation ................................................................................ Top of pulley towards Head
Weight......................................................................................................... 14 lbs.
Consult the factory for special requirements that must be met if the pump is
to operate beyond one or more of the limits specified above.
PULLEY INFORMATION
HORSEPOWER INFORMATION
Pulley selection and pump speed are based on a 1725 Horsepower ratings shown are the power require-
RPM motor and "B" section belts. When selecting ments for the pump. Gas engine power outputs must
desired GPM, allow for a ±5% tolerance on pumps be approximately twice the pump power requirements
output due to variations in pulleys, belts and motors shown above.
among manufacturers.
1. Select GPM required, then select appropriate when selecting an electric motor as the power source.
motor and pump pulley from the same line. To compute specific pump horsepower requirements,
We recommend that a 1.1 service factor be specified
2. The desired pressure is achieved by selecting the use the following formula:
correct nozzle size that corresponds with the pump
(GPH X PSI) / 87,375 = HP
GPM.
P46HT PULLEY SELECTION AND HORSEPOWER REQUIREMENTS
PUMP MOTOR
GPH1
71
RPM
PULLY
7.75"
7.75"
7.75"
PULLY 500 PSI 700 PSI
900 PSI
500
2.0"
3.25"
4.0"
0.41
0.61
0.72
0.57
0.84
1.02
0.73
106
127
750
1.09
900
1.31
1 GPH=Gallons per hour
6
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INSTALLATION INSTRUCTIONS
Installation of the Giant Industries, Inc., pump
gun.
is not a complicated procedure, but there are
some basic steps common to all pumps. The
following information is to be considered as a
general outline for installation. If you have
unique requirements, please contact Giant
Industries, Inc. or your local distributor for
assistance.
4. Use of a dampener is necessary to minimize
pulsation at drive elements, plumbing, connec-
tions, and other system areas. The use of a
dampener with Giant Industries, Inc. pumps is
optional, although recommended by Giant
Industries, Inc. to further reduce system pulsa-
tion. Dampeners can also reduce the severity of
pressure spikes that occur in systems using a
shut-off gun. A dampener must be positioned
downstream from the unloader.
1. The pump should be installed flat on a base to a
maximum of a 15 degree angle of inclination to
ensureoptimumlubrication.
2. The inlet to the pump should be sized for the flow
rate of the pump with no unnecessary restrictions
that can cause cavitation. Teflon tape should be
used to seal all joints. If pumps are to be operated at
temperatures in excess of 2200 F, it is important to
insure a positive head to the pump to prevent cavita-
tion. (See chart below)
5. Crankshaft rotation on Giant Industries, Inc.
pumps should be made in the direction desig-
nated by the arrows on the pump crankcase.
Reverse rotation may be safely achieved by
following a few guidelines available upon request
from Giant Industries, Inc. Required horsepower
for system operation can be obtained from the
chart on page 3.
3. The discharge plumbing from the pump should be
properly sized to the flow rate to prevent line pres-
sure loss to the work area. It is essential to provide
a safety bypass valve between the pump and the
work area to protect the pump from pressure spikes
in the event of a blockage or the use of a shut-off
6. Before beginning operation of your pumping
system, remember: Check that the crankcase
and seal areas have been properly lubricated per
recommended schedules. Do not run the pump
dry for extended periods of time. Cavitation will
result in severe damage. Always remember to
check that all plumbing valves are open and that
pumped media can flow freely to the inlet of the
pump.
Finally, remember that high pressure
operation in a pump system has many advan-
tages. But, if it is used carelessly
and without regard to its potential hazard,
it can cause serious injury.
RPM
2. Pump operation must not exceed rated
pressure, volume, or RPM. A pressure relief
device must be installed in the discharge of the
system.
IMPORTANT OPERATING CONDITIONS
Failure to comply with any of these
conditions invalidates the warranty.
1. Prior to initial operation, add oil to the crankcase so
that oil level is between the two lines on the oil dipstick.
DO NOT OVERFILL. Industrial Grade 90 wt. oil
may be used. Crankcase oil should be changed after
the first 50 hours of operation, then at regular intervals
of 500 hours or less depending on operating conditions.
3. Acids, alkalines, or abrasive fluids cannot be
pumped unless approval in writing is obtained
before operation from Giant Industries, Inc.
4. Run the pump dry approximately 10 seconds
to drain the water before exposure to freezing
temperatures.
NOTE: Contact Giant Industries for Service Information. Phone: (419) 531-4600.
7
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P46HT DIMENSIONS (INCHES)
GIANTINDUSTRIESLIMITEDWARRANTY
Giant Industries, Inc. pumps and accessories are warranted by the manufacturer to be free from
defects in workmanship and material as follows:
1. For portable pressure washers and car wash applications, the discharge manifolds
will
pump
warranted
SALINE,
never fail, period. If they ever fail, we will replace them free of charge. Our other
parts, used in portable pressure washers and in car wash applications, are
for five years from the date of shipment for all pumps used in NON-
clean
water applications.
2. One (1) year from the date of shipment for all other Giant industrial and consumer
pumps.
3. Six (6) months from the date of shipment for all rebuilt pumps.
4. Ninety (90) days from the date of shipment for all Giant accessories.
This warranty is limited to repair or replacement of pumps and accessories of which the
manufacturer’s evaluation shows were defective at the time of shipment by the manufacturer. The
following items are NOT covered or will void the warranty:
1. Defects caused by negligence or fault of the buyer or third party.
2. Normal wear and tear to standard wear parts.
3. Use of repair parts other than those manufactured or authorized by Giant.
4. Improper use of the product as a component part.
5. Changes or modifications made by the customer or third party.
6. The operation of pumps and or accessories exceeding the specifications set forth
in the Operations Manuals provided by Giant Industries, Inc.
Liability under this warranty is on all non-wear parts and limited to the replacement or repair of those
products returned freight prepaid to Giant Industries which are deemed to be defective due to
workmanship or failure of material. A Returned Goods Authorization (R.G.A.) number and
completed warranty evaluation form is required prior to the return to Giant Industries of all products
under warranty consideration. Call (419)-531-4600 or fax (419)-531-6836 to obtain an R.G.A.
number.
Repair or replacement of defective products as provided is the sole and exclusive remedy provided
hereunder and the MANUFACTURER SHALL NOT BE LIABLE FOR FURTHER LOSS, DAMAGES,
OR EXPENSES, INCLUDING INCIDENTAL AND CONSEQUENTIAL DAMAGES DIRECTLY OR
INDIRECTLY ARISING FROM THE SALE OR USE OF THIS PRODUCT.
THE LIMITED WARRANTY SET FORTH HEREIN IS IN LIEU OF ALL OTHER WARRANTIES OR
REPRESENTATION,EXPRESSORIMPLIED,INCLUDINGWITHOUTLIMITATIONANYWARRAN-
TIES OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND ALL SUCH
WARRANTIES ARE HEREBY DISCLAIMED AND EXCLUDED BY THE MANUFACTURER.
GIANT INDUSTRIES, INC., 900 N. Westwood Ave., P.O. Box 3187, Toledo, Ohio 43607
Ó Copyright 1998 Giant Industries, Inc.
3/98 P46HT.PM6
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