M157594J
ITEM NUMBER: 157594, 157595
SERIAL NUMBER:
Engine Model:
Pump Model:
Flow:
Pressure:
Hose Length:
Nozzle Size:
Lance Length:
TM
Installation, Operation, and Maintenance Manual
HOT WATER PRESSURE WASHER: Cleans dirty surfaces with high
pressure hot water.
To the Owner:
Thank you for purchasing a NorthStar hot water pressure washer. Your machine is designed for long life,
dependability, and the top performance you demand! Take time now to read through this manual so you better
understand the machines’ operation, maintenance and safety precautions. Everyone who operates this machine
must read and understand this manual. The time you take now will prolong your machine’s life and prepare you
for its safe operation. Enjoy the exceptional performance of your NorthStar hot water pressure washer, the
industry leader! The manufacturer reserves the right to make improvements in design and/or changes in
specifications at any time without incurring any obligation to install them on units previously sold.
Quick Facts
Engine Oil
Pump Oil
Water
Engine is shipped with out oil. Fill before starting. Use SAE 10W-30 motor oil.
Pump is shipped with oil. Check pump oil level before starting.
Make sure your water flow is 20% higher than the pressure washer’s flow rate.
Make sure your water is clean and particle free.
Storage
Spraying
Chemicals
Do not allow water to freeze in the pump, hose, coil, or spray gun.
Use any NorthStar brand or equivalent pressure washer chemicals.
Adjust soap adjustment knob to regulate cleaning power.
Maintenance Engine:
Schedule
Oil: change after first 20 hours, then annually or every 100 hours.
Spark Plug: clean every 100 hours, replace annually or every 300 hours.
Air Filter: clean every 100 hours, replace annually or every 300 hours.
Oil: change after first 40 hours, then every 3 months or 500 hours.
Pump:
Read and understand all manuals before operating.
Any Questions, Comments, Problems, or Parts Orders
Call NorthStar Product Support 1-800-270-0810
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Specifications
Pressure Rating
Flow Output
4000 psi
4 gpm
Pump Type
Cat 66DX
Water Supply
Standard tap water @ 20-75 psi or water feed tank
Engine Horsepower
BTU Output
18 hp
353,700 BTU
Maximum Temperature
Approved Fuels
Fuel Capacity
210 F
#1 or #2 Diesel, Kerosene, Fuel Oil
4 Gal
Gasoline Capacity
Discharge Hose
Dimensions (skid only)
Weight (skid only)
4 Gal
3/8”
47” L X 37.5” W X 42” H
500 lbs
Specifications for Trailer Mounted Models
Trailer GVWR
3500 lbs
Hitch Ball Size
2”
129” L X 75.75” W X 60” H
960 lb
Skid Dimensions
Weight (tank empty)
Weight (tank full)
2500 lb
3
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Machine Component Identification
Ref # Description
Ref # Description
Ref # Description
1
2
3
4
5
6
7
8
Unloader
Lifting Eye
9
Ball Valve (feed tank)
Ball Valve (city tap water)
Water Filter
Water Inlet (city tap water)
(trailer models use hose reel)
Control Panel
16
17
18
19
20
21
22
Water Outlet
Engine Key Switch
Circuit Breaker
Heat Switch
Thermostat
10
11
12
Engine (see engine manual)
Inlet Plumbing
Diesel Tank
Gasoline Tank
Pump
13
14
15
Indicator Light (pressure sw)
Indicator Light (thermostat)
Battery Box
Pressure Switch
Water Inlet (feed tank)
4
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Installation Instructions
Attaching a Water Feed Tank (157594 only)
Installing a Battery
Caution: Make sure to follow these instructions.
Inadequate plumbing between a feed tank and the
pressure washer can cause damage to the pump from
cavitation.
Warning: Sulfuric acid is a corrosive poison.
Avoid contact with skin, eyes or clothing. Always
wear safety glasses. Always wear safety glasses
when working on or near the battery.
Cavitation will not occur if you select large fittings and
hose to connect the feed tank to the pressure washer.
Also, place the pressure washer right next to the feed
tank so the connection hose will be as short as possible.
The engine will not run and the burner will not fire
without first installing a battery.
The battery box provides protection for the battery and
will accept a standard automotive battery (The inside
dimensions are 11-1/8"L x 7-3/4"W x 10-1/8"H). The
battery must be 12VDC, with a minimum rating of 18 Ah
(Amp-hour). When installing a battery, always connect
the red colored (“positive” or “+”) cable first. When
disconnecting a battery, always remove the black
colored (“negative” or “-”) cable first
Open
this ball
Connect
feed line
here
Close
this ball
Location
IMPORTANT: Proper initial installation of equipment
will assure more satisfactory performance, longer
service life, and lower maintenance cost.
IMPORTANT: The use of a back flow preventer (Part
#222815 call 1-800-270-0810 to order) on the water
supply hose is recommended and may be required
by local code.
1.) Use ¾” connection hose no longer than 6ft long.
2.) Make sure the connection hose does not kink.
3.) Make sure all fittings are ¾” or larger.
4.) Do not use 90 elbow fittings unless absolutely
necessary.
5.) Make sure bottom of the tank is level or higher than
the bottom of the skid frame.
6.) Do not pump flammable liquids or liquids containing
incompatible chemicals or solvents.
Place the pressure washer on a solid level surface in a
protected area where it is not readily influenced by
outside forces such as strong winds, freezing
temperatures, rain, etc. Locate the pressure washer for
easy access for filling fluids, adjustments, controls, and
maintenance. Position the machine so that ambient
lighting is sufficient for the surface you are cleaning to be
seen with ease. Use artificial light if needed.
7.) Reroute the easy start valve so it discharges back to
the feed tank. This will aid pump priming on initial
start up. The easy start valve is located below the
unloader. See Machine Component Identification for
location of unloader.
Unloader
Plug this
port
Make a partition between the wash area and the
pressure washer to prevent direct nozzle spray from
coming in contact with the pressure washer. Moisture
reaching the equipment will reduce the pressure
washer’s service life.
Reroute hose to
water feed tank
5
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Installation Instructions
Venting
Oil Burner
DANGER: Do not run machine indoors or in an
enclosed area without adequate ventilation, or in
areas where flammable vapors, (gasoline, solvents,
etc.) may be present. Do not vent exhaust gases into
a wall, a ceiling, or a concealed place.
Burner Air Adjustment: The oil burner is preset and
performance tested at the factory (elevation 1100 feet).
Different altitudes may require a one-time initial burner
correction.
CAUTION: All venting must be in accordance with
applicable state and federal laws, and local
ordinances. Consult local heating contractors.
White
Arrow
If the pressure washer is to be used in an enclosed area,
a flue must be installed to vent burner exhaust to the
outside atmosphere. Be sure the flue is the same size
as the burner exhaust vent on the pressure washer lid.
Poor draft will cause the pressure washer to soot and
not operate properly. When selecting the location for
installation, beware of poorly ventilated locations or
areas where exhaust fans may cause an insufficient
supply of oxygen. Proper combustion can only be
obtained when there is a sufficient supply of oxygen
available for the amount of fuel being burned. If it is
necessary to install a unit in a poorly ventilated area,
outside fresh air may have to be piped to the burner and
a fan installed to bring sufficient air into the unit. Locate
the pressure washer in such a manner that the flue will
be as straight as possible and protrude through the roof
at a proper height and location to provide adequate draft.
This oil fired unit must have a draft controller installed in
the flue. A draft controller will permit proper upward air
flow of exhaust flue gases.
Locking
Burner
Screw
1.) Turn the engine and heat switches ON (Refer to
“Operation” for details). Have someone operate the
spray gun so the burner fires.
2.) Loosen the locking screw and close the air band until
black smoke appears from the burner exhaust vent.
Note the position of the white arrow on the air band.
3.) Slowly open the air band until white smoke just starts
to appear.
4.) Turn the air band half way back to the black smoke
position previously noted.
screw.
5.) Fine tune the burner air by loosening the shutter lock
screw and turning the shutter until the exhaust is
cleanest. Tighten the shutter lock screw.
Tighten the locking
Shutter
Shutter
Lock Screw
CAUTION: If white smoke appears from the burner
exhaust vent during start-up or operation,
discontinue use and readjust air bands.
NOTE: If a flue is installed, have a professional
serviceman adjust your burner for a #1 or #2 smoke
spot on the Bacharach scale.
6
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Operating Instructions
Read and understand the entire manual before operating the pressure washer.
Follow these instructions every time you use the pressure washer.
I.) Pre-Operation
III.) Attach High Pressure Hose
Attach the high pressure hose to the water outlet. See
Machine Component Identification section for location of
the water outlet
Read entire manual, especially the important safety
instructions.
1.) Check hoses, fittings, wand, trigger gun and fuel
connections for signs of wear, cracks and
looseness, and replace as required.
2.) Check and clean the nozzle orifice.
3.) Check and clean the water inlet screen and filter.
(see Maintenance section).
Your pressure washer hose is equipped with quick
couplers. Simply pull the collar back and push the
coupler onto the nipple. Make sure the collar slides over
the ball bearings. Once the connection is made, pull on
the hose to assure a positive connection.
4.) Check and maintain proper oil levels in the pump
and engine (see Maintenance section).
Coupler
II.) Connecting City Water Tap
Follow these instructions when supplying water from a
pressurized source such as a garden hose instead of a
water feed tank.
Collar
High Pressure
Output
Attach a garden hose to the water inlet (city tap water).
See Machine Component Identification for location of the
water inlet (city tap water).
Open this ball
valve
CORRECT
INCORRECT
Close this
ball valve
1.) Make sure the water supply is clean. Debris can
cause excess pump wear and reduce performance.
2.) An insufficient water supply will damage your pump.
Make sure the water supply is steady and is 20%
over the rated flow of your pump. Use a stopwatch
to time how long it takes to fill a 5-gallon bucket with
your garden hose. It should take less than 62
seconds.
3.) The water supply garden hose must have an inside
diameter of at least 5/8”. If the hose is more than
100 ft. long, the diameter must be at least 3/4”.
4.) Always use a flexible rubber hose for your water
supply. Do not use rigid piping.
7
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Operating Instructions
V.) Turn Water Supply ON (city water tap
only)
Make sure the hose is not “kinked”. A kinked hose will
provide insufficient water supply to the pump and will
reduce its life. Make sure the hose remains unkinked
after moving the pressure washer.
A.) Snap the quick couple chemical injector onto the high
pressure outlet and high pressure hose and submerge
the suction strainer into the chemical solution.
Adjustment Knob
High Pressure Hose
High Pressure
Output
VI.) Attach Nozzle
Diluted
Chemical
Color of Nozzle: Spray Angle
Used For:
Red
Yellow
0
15
Highest Impact
Tough Stains/
Stripping
Chemical Injector
Strainer
00322
Green
White
Black
25
40
65
General
Light Cleaning
Chemicals
B.) You need to use the low pressure black nozzle to
spray chemicals onto the cleaning surface.
C.) The amount of chemical applied can be changed by
turning the chemical adjustment knob located on the
chemical injector.
D.) Squeeze the spray gun trigger. The chemical
injector will draw the chemical into the water stream
E.) Apply chemicals evenly to the cleaning surface.
Allow the chemicals to react with the dirt, then clean at
high pressure with green nozzle.
Your pressure washer is equipped with four high
pressure nozzles. To install a nozzle pull the collar back
and push the nozzle into the coupler. Once the
connection is made, pull on the nozzle to assure a tight
connection.
F.) Never use more chemical than is necessary to clean
the surface.
G.) If you do not intend on using chemicals, we suggest
removing the chemical injector to obtain maximum
cleaning pressure.
Lance
Nozzle
Coupler
Collar
CORRECT
INCORRECT
IX.) Start Engine
WARNING: Make sure the nozzle is correctly
inserted. The nozzle may become a projectile if not
inserted correctly. Do not attempt to use different
types of nozzles that may not fit the coupler.
See the engine manual to start your engine.
IMPORTANT: The water must be turned on (or water
feed tank filled) before starting. Running the pump
dry will cause damage and void the warranty.
Make sure only one ball valve is open. The ball
valve that you are not using needs to be closed
before starting the engine. Pump cavitation can
occur.
VIII.) Applying Chemicals
WARNING: Only use NorthStar pressure washer
chemicals or chemicals specifically formulated for
WARNING: Do not inhale the exhaust from the
engine. Do not point the lance at anyone even if the
engine has stopped because there could be a
release of water under retained pressure if the spray
gun trigger is actuated.
pressure
washers.
Follow
the
chemical
manufacturer’s recommendations. Understand all
safety precautions and first aid for all chemicals.
NOTE: Your pressure washer is equipped with a low
pressure chemical injector. The proper chemical
used for the proper application can speed up
cleaning jobs tremendously.
8
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Operating Instructions
X.) For Hot Water
XII.) Shut-Down Instructions
If HOT water is desired, make sure there is fuel in the
fuel tank, turn the heat switch ON, and adjust the
thermostat to the desired temperature. The burner will
fire when the trigger is squeezed. You may need to
initially adjust your burner for peak performance. See
the “Oil Burner” section under INSTALLATION. When
the trigger is released a pressure switch automatically
turns the burner off. Also, when the temperature setting
is reached, the thermostat automatically turns the burner
off.
WARNING: Do not leave an operating machine
unattended. Always shut the machine OFF and
relieve the pressure before leaving the machine.
Never disconnect the high pressure hose from the
pump or spray gun while the system is pressurized.
Relieve pressure by squeezing the spray gun trigger
after the engine is turned OFF.
A. Turn heat switch OFF and run cold water
through the coil for 3 minutes.
B. Turn engine OFF.
C. Turn water supply OFF.
D. Actuate spray gun trigger to relieve system
pressure.
IMPORTANT: Do not run the machine in hot mode
without any fuel in the fuel tank. The fuel pump will be
damaged if it is run dry.
Warning: It is important that the burner stops firing when
the trigger is released. If the burner remains firing,
discontinue use until the pressure washer is serviced.
Extremely high temperatures can result in serious injury
and equipment damage.
E. Remove garden hose.
F. Remove pressure hose.
Safety Features
XI.) Cleaning
Safety Relief Valve
WARNING: Wear eye, ear, hand, foot and skin
protection at all times while operating this pressure
washer.
The safety relief valve is a backup safety feature. If the
system over pressurizes, the safety relief valve will open
and relieve system pressure.
DANGER: Do not point the spray wand at yourself or
at any person. Bodily injury may result from water
under high pressure.
The safety relief valve is located in the high pressure line
between the unloader and the heat exchanger.
CAUTION: Be careful on painted or delicate
surfaces. The pressure may damage the surface if
the nozzle is too close.
IMPORTANT: Your spray gun is equipped with a
built-in trigger safety latch to guard against
accidental trigger actuation and potentially
dangerous high pressure spray. Rotate the safety
latch to the locked position when not spraying.
WARNING: If the safety relief valve ever discharges
water, turn the engine off and do not use the
machine until it is serviced.
Thermal Relief Valve
The thermal relief valve allows the pump to remain in
bypass without risk of overheating the pump. If high
temperatures are developed during bypass, the thermal
relief valve will open and discharge hot water onto the
ground.
Safety Latch
The thermal relief valve is located on the unloader
bypass port.
00417
A.) Hold the lance with two hands, have a sturdy stance.
B.) The pressure washer is set and locked to the
maximum rated pressure when it leaves the factory. .
WARNING: Do not alter the unloader valve’s
maximum pressure.
Excess pressures could
cause serious injury and/or pump damage. Any
alteration other than turning the adjustment knob
will void your warranty.
9
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Maintenance Instructions
WARNING: Unauthorized machine modification or use of non-approved replacement parts
may cause personal injury and/or property damage and will void the manufacturer warranty.
See Engine manual for engine maintenance.
Maintenance Mode
Checking the Hoses
Before performing any maintenance on the pressure
washer, it must be placed in maintenance mode.
A.) Turn off water supply.
WARNING: Do not use a finger or skin to check for
leaks. Escaping fluid under pressure has sufficient
force to penetrate the skin, causing serious injury.
Do not operate the pressure washer if the hose is
cracked, worn, or leaking.
B.) Relieve pressure from system.
C.) Turn off engine and disconnect the spark plug cable.
Before each use check all hoses for leaks and worn
areas. Discontinue use of any hose if leaks are noticed.
Discontinue use of the high pressure hose if the wire
mesh is exposed.
Water Filter
Check whether dangerous chemicals have been
used, and take precautions when handling filters.
Before each use, remove filter screen and rinse with
clear water.
Electrodes
Inspect electrodes annually.
Clean off carbon deposits, which may have accumulated
on the tips of the electrodes.
Burner Fuel Filter
Drain water from the fuel filter bowl and replace the filter
as needed.
Reset the spacing as shown below.
Changing The Pump Oil
*Change oil after first 40 hours, then every 3 months or
500 hours
Electrodes
1.) Open oil drain valve.
2.) Drain pump oil.
3.) Close oil drain valve.
4.) Fill pump middle of sight glass with Cat pump oil or
30 wt. non-detergent oil.
5.) Oil Capacity is 18oz.
Oil fill
1/8”
1/16”
7/16”
Oil drain
Sight
valve
glass
10
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Maintenance Instructions
Coil Descaling
Coil Desooting
In hard water areas, scale build-up within the heating coil
will occur. Scale deposits will decrease the water
temperature rise and may eventually clog the heating
coil.
Poor grades of fuel oil or inadequate combustion air will
cause heavy soot build-up on the outside surface of the
heating coil. These deposits will insulate the coil. This
will restrict the airflow through the coil, further
aggravating the soot build-up.
1. Mix coil cleaner in a 5 gallon bucket and elevate the
bucket so it is higher than the unloader.
2. Attach the high-pressure hose to the high-pressure
water outlet on the machine. Do not hook up the
spray gun.
3. Place the other end of the high-pressure hose in the 5
gallon bucket.
4. Attach a short length of hose to the garden hose inlet
on the pump.
Most coils will never require desooting. However, to
desoot a coil...
1. Wear protective clothing, goggles, and gloves.
2. Disconnect high-pressure hose on inlet side of coil
and thermostat on outlet side of coil.
3. Remove the lid and insulation lid from the heating
chamber and hoist the coil out. Be careful, the coil
weighs 125 lbs.
5. Prime the pump by filling the hose with water, then
place the end of the hose in the bucket.
6. Run the pressure washer in cold mode for 1 to 3
hours re-circulating the cleaning solution.
4. Clean the coil.
5. Reassemble the coil to the machine. Make sure the
white insulation remains in place.
6. Reattach high-pressure hose and thermostat, and
make sure all fittings are tight before using the
machine.
Warning: Do not run the burner.
7. Dispose of the cleaning solution where it is not
harmful to animals or the environment.
8. Flush with fresh water and clean the inlet strainer
when finished.
11
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Long Term / Winter Storage
During cold weather, store the pressure washer indoors and move it outdoors before starting the engine.
Long Term Storage and Freeze Protection
1.) Attach a feed tank or bucket to the water inlet (feed tank). See Installation section for Attaching a Water Feed Tank
instructions.
2.) Fill feed tank with 5 gallons of RV antifreeze.
3.) Run the pressure washer in cold mode until RV antifreeze comes out the water outlet. Make sure excess antifreeze is
disposed of safely. RV antifreeze will save the components from freeze damage and keep them lubricated.
4.) Disconnect spark plug cable. Make sure the engine start switch is OFF.
5.) Disconnect the battery and store it indoors.
Short Term Freeze Protection
1.) Drain water from feed tank.
2.) Drain water from the heat exchanger by extending the high pressure hose straight. Place the end of the hose at a
level that is below the pressure washer. Remove the spray gun from the hose. Disconnect the plumbing that
connects to the heat exchanger inlet. The water will flow out of the heating coil. This will protect the coil from freeze
damage.
3.) Open both water inlet ball valves and remove the cap from the water filter. This will drain the pump and water inlet
plumbing.
12
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Troubleshooting Guide
Engine Will Not Start
Causes
Low Oil Shutdown
Cold Engine
Solutions
Fill engine with the adequate amount of oil.
Choke engine to start.
No Fuel
Dead Battery
Add gas to engine, make sure fuel shutoff valve is open.
Recharge/Replace battery.
Spark plug wire not attached
Attach spark plug wire to spark plug.
Pressure Washer Runs But Burner Doesn’t Fire
Causes
Solutions
Heat switch turned OFF
Thermostat set too low or off
Fuel tank empty
Turn heat switch ON.
Set thermostat to desired temp.
Fill fuel tank with kerosene, diesel, or fuel oil.
Call Product Support.
Defective Pressure Switch
Defective Burner
Call Product Support.
Pressure Washer Runs But No Pressure
Causes
Solutions
Clean or replace nozzle.
Clean water filter.
Partially clogged or damaged nozzle
Clogged water filter
Low water flow
Make sure the water supply is more than 4 gpm.
Pressure Washer Surges Or Cycles While In Bypass
Causes
Leak between unloader and gun.
Solutions
Check all connections between unloader and gun for leaks. Tighten loose
components and replace damaged components.
Gun leaking internally
Replace spray gun.
Smoke From Heat Exchanger
Causes
Air band not adjusted properly
Poor quality fuel
Solutions
Adjust the air band until the burner burns cleanly. See Installation Instructions
Use kerosene for the cleanest burn.
Water Not Heating Sufficiently
Causes
Scale build-up in coil
Coil is full of soot
Solutions
See Coil Descaling under Maintenance Instructions.
See Coil Desooting under Maintenance Instructions.
Poor Or No Detergent Supply
Causes
Solutions
Soap control knob set too low.
Inadequate detergent supply
High pressure hose too long
Chemical strainer or injector clogged
Adjust soap control knob.
Refill detergent container. Make sure chemical strainer is fully submerged.
Use less hose. Move machine closer to the work.
Clean the strainer and injector. Always start with a clean detergent container. Run
clean water through the injector after each use.
Any Questions, Comments, Problems, or Parts Orders
Call NorthStar Product Support 1-800-270-0810
13
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Parts Breakdown 157594J
14
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Component List – 157594J
REF PART # DESCRIPTION
Model QTY
REF PART # DESCRIPTION
Model
All
All
All
All
All
All
All
All
All
All
All
157594
All
All
All
All
All
All
All
All
157594
157594
157594
157594
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
QTY
1
1
1
2
1
1
2
2
1
1
1
3
1
1
1
1
2
1
1
1
1
2
1
1
1
1
1
1
1
5
2
40in
1
1
1
1
1
39in
1
1
2in
24in
1
1
1
48in
1
777222 Honda engine 18hp
All
1
55
56
57
58
59
60
61
777486 Heat shield, battery
777485 Tank clamp
777666 Decal, gasoline
777721 Decal, side panel
777647 Battery box
1
32842
30511
Honda muffler kit
1/2npt plug
All
1
2
3
All
1
777837 3/8npt plug
All
1
4
38198
CAT pump, 4gpm
All
1
5
777347 3/8npt tee
All
2
777489 Battery strap
6
7
8
9
777378 Hose, 18" 5400psi
777682 Pressure gauge, 6000psi, 1/4npt
777338 Reducer 3/8npt x 1/4npt MxF
777410 Elbow 3/8npt MxF
All
2
82233
Carriage bolt, 5/16 threads
All
1
62 KEL201071 Cap, fuel tank
All
3
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
777727 Tank, diesel
779445 Gasoline tank assembly
777484 Tank support
777838 1/4npt plug
781999 Thermostat
777855 Toggle switch
All
3
10
11
12
13
14
15
16
17
18
19
20
17141
30289
Hose clamp 3/4 hose
Clear PVC hose, 3/4
All
4
All
12.5in
777671 Hose barb 1/2npt M x 3/4hose
778829 Hose barb elbow 3/4npt M x 3/4hose
250142 Strainer, 3/4npt FxF
All
All
All
All
All
All
All
All
1
1
1
1
2
2
1
1
2
1
1
6
2
31085
Circuit breaker, 20A
780413 Nipple 3/4npt x 3/4npt MxM
777644 Control box cover
777646 Red LED, 12VDC
777660 Decal, control panel
777643 Control box panel
39206
35442
5023
35443
82220
Tee 3/4npt MxFxF
Ball valve 3/4npt FxF
Hose barb 3/4npt x 3/4 hose
Elbow 3/4npt x 3/4npt MxM
U-bolt
36138
Relay 12VDC
All
777645 Hose barb 1/2npt F x 1/2 hose
305267 Nut, 1/2npt
779269 Elbow 3/4npt M x 1/2 HB
780432 Elbow 3/4npt M x 3/4 HB
777119 Hose clamp 1/2 hose
157594
157595
157594
157595
21
22
23
30483
5232
Garden hose inlet, 1/2"npt M
Washer, garden hose
17141
2264
Hose clamp 3/4 hose
Low pressure hose, 1/2
Clear PVC hose, 3/4
778946 Nozzle 0 degree #4, red
25309 Nozzle 15 degree #4, yellow
157594 27in
157595 67in
30289
79
778948 Nozzle 25 degree #4, green
778947 Nozzle 45 degree #4, white
778949 Nozzle, chemical, black
777111 Grommet, nozzles
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
779268 Hose barb 3/4npt M X 1/2 hose
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
All
157594
All
1
7in
2
1
3
1
8
12"
1
3
2264
30048
32808
Low pressure hose, 1/2
Reducer 1/2npt x 3/8npt MxF
Elbow 3/8npt M x 1/2 HB
80
81
82
83
84
85
86
87
88
89
90
38578
30289
22393
38379
5027
Knob, 5/16 thread
777340 Hose barb 1/4npt M x 1/4 hose
38584 Easy start valve, 3/8 npt M
777834 Hose clamp 1/4 hose
777165 Clear PVC hose, 1/4
782123 Unloader
777337 Nipple 1/2npt x 3/8npt MxM
777409 Unloader block
777656 Pressure switch
777411 Tee 3/8 FxFxF
Clear PVC hose, 3/4
Relief valve, 3/8 npt
Swivel, 3/8npt x 1/2npt MxF
Elbow, 1/2npt MxF
777652 Lid w/ raincap
305410 Decal, caution hot
1
1
2
1
36302
38398
Fiberglass rope, 5/8"
Insulation, cap
779228 Heating coil
777667 Battery cable, red
777668 Battery cable, black
305278 Heat shrink tube
91
1
30501
Split loom
31881
Reflective sleeve
20in
42in
1
1
1
14in
1
1
1
1
1
1
1
1
1
1
92
93
94
95
96
305208 Tee 1/2npt FxFxF
777345 Fuel line, 1/4
777915 Quick couple nipple, 3/8npt F
779614 Injector, quick couple
777165 Clear PVC hose, 1/4
221222 Strainer, chemical hose
777661 Wire harness, burner
35743
35413
30746
30290
Warning label
Drain valve
Hose clamp 3/8 hose
Clear PVC hose, 3/8
97
1
1
1
22in
777836 Thermal protector, 1/2npt
777904 Quick coupler, 1/4npt F
777421 Spray lance
98
22502
Strain relief
99
777669 Burner DC
777345 Fuel line, 1/4
777345 Fuel line, 1/4
100
101
102
103
104
105
106
107
777420 Spray gun
13.25in
777422 Quick coupler, 3/8npt M
777396 Hose, 50ft 5400psi, includes 51+52
777722 Quick coupler, 3/8npt F
777723 Quick couple nipple, 3/8npt F
777475 Skid frame
32308
Fuel filter, water separator
1
1
1
1
1
1
305239 Nipple 1/4npt MxM 3" long
38120
36180
Insulation gasket
Stainless wrap
779232 Fire chamber
33387 Insulation, can
777488 Heat shield, tanks
All
15
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Parts Breakdown – 157595J
REF PART #
1
3
4
5
DESCRIPTION
779257 Hose Reel
777903 Frame, Skid
30198 200 Gal Tank
777707 Tank Strap
82080 Eye Bolt, ¼”
QTY
2
1
1
2
4
2
1
1
1
1
1
1
1
2
1
2
REF
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
PART #
5318
5370
DESCRIPTION
Nipple ¾ NPT x ¾ Hose Barb
Bulkhead ¾” NPT Female
QTY
1
3
1
1
50NBR12 ½ Hose Barb x ¾ NPT Elbow
17141
30289
Hose Clamp ¾
¾ Clear PVC Hose
6
7
780200 15” Wheel
50CSC128 3/4” –1/2” Reducer
1
1
1
1
2
12”
1
1
1
1
8
777771 Trailer Frame
30048
777338
777340
17141
777165
777779
779801
777914
777410
777378
779816
777671
1/2” – 3/8” Reducer
3/8” – 1/4” Reducer
9
127432 Trailer Light Kit (rear, front, wires)
10
11
12
13
14
15
16
17
18
38485
128480 Jack
12736
777775 Coupler
777698 A-frame Tow bar
779542 Safety Cables
39166
779782 Hose Reel Mount
35442 Ball Valve
Pin
¼” NPT x ¼” Hose Barb
1/4” Hose Clamp
1/4“ Clear PVC Hose
150' 3/8" 5400PSI Hose
Truck Chest
QC 3/8” Female Coupling
3/8” Street Elbow
18” 3/8” 5400 PSI Gray Hose
3/8 MPT x ½ FPT Adapter
½ NPT x ¾ Hose Barb
Wheel for Jack
Axle
1
1
1
1
16
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Wiring Diagram – Rev J
17
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Trailer Assembly Instructions (157595 only)
1.) Remove the top and four sides of the steel crate.
2.) Remove a-frame from trailer frame. (keep
fasteners for step 7)
3.) Slide a-frame into holders under trailer frame
(built into the front posts).
4.) Install jack onto a-frame with 3/8x1” bolts, Class
G lock nuts, and washers provided. Tighten to
37ft/lbs.
Trailer
Frame
5.) Slide caster wheel onto jack and secure with pin.
6.) Crank jack down until a-frame becomes level.
7.) Attach a-frame to trailer frame with six 5/8” bolts
and Class G nuts. Tighten to 180ft/lbs.
8.) Check trailer light wire routing though a-frame,
make sure wires are not pinched, stretched, or
pass any rough edges.
Jack
A-frame
Caster
9.) Crank jack down farther (so a-
frame goes up) to take weight off
Rear Shipping Posts
(one on each corner)
front shipping posts.
10.)Remove front shipping posts.
11.)Crank jack up as far as it will go
(so a-frame goes down and
weight is applied to wheels)
12.)Disconnect rear shipping posts
from frame (remove only the bolts
at the top of the rear shipping
posts)
13.)Roll trailer forward until it is free of
the rear shipping posts.
Front Shipping
Posts
14.)Attach coupler to a-frame with two 1/2x4” bolts and
Class G lock nuts. Tighten each bolt to 90ft/lbs.
15.)Attach safety cables to the a-frame with ½”x 5” bolt
and Class G lock nut. Place a flat washer next to
the head of the bolt, slide the bolt through the cable
and the a-frame. Then slide the other cable onto
the bolt, followed by another washer then the lock
nut. Tighten to 37ft/lbs.
Truck chest
16.)Attach truck chest to a-frame with four 5/16x1”
bolts, lock nuts, and washers. Insert bolts down
though holes in truck chest and a-frame. Place
washers under wall of a-frame and fasten with lock
nuts. Tighten each bolt to 20ft/lbs.
Coupler
Safety Cables
18
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19
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TM
Manufactured by
Northern Tool + Equipment Co.,
2800 SouthCross Drive West
P.O. Box 1499 Burnsville, MN 55337-0499
20
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