Kubota CAGE 2500 Product manual

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Cold water pressure washer
Manual product number: 77700-04934 Effective September 2013
2500 psi
Impact
Force
2.7
7.1
lb
gpm
CAGE 2500
CAGE 2500
Extra Duty Series Pressure Washer
Product Code 77700-03518
DRAFT
28/08/13 - 17h15

2
Table of contents
Introduction
Using the Operators Manual.................................................................... 3
Product Identification............................................................................... 3
Product Serial number and Registration ................................................ 3
Safety
Description of Warning............................................................................. 4
Description of Safety Symbols ................................................................ 4
Description of Hazard Warnings.............................................................. 4
Product labels/ Warning labels ............................................................... 5
Before you get started / Machine precautions ...................................... 6
Precautions Ventilation and Fire.............................................................. 7
Precautions High Pressure Stream / Slippery Surfaces ....................... 8
Precautions Protective Gear / Kick Back / Electrical Shock ................ 9
Precautions Hot Surfaces / Important Notices ................................... 10
Operating Instructions
Box Contents ........................................................................................... 11
Checklist...................................................................................................12
Filling the Fuel Tanks................................................................................12
Starting your Engine................................................................................13
Cold Water Pressure Washing.................................................................14
Soap/Chemical injecter/ Stopping the machine ..................................15
Maintenence
Winterizing/ Motor & pump oil changes...........................................16-17
Storage .....................................................................................................17
Periodic maintenance table ....................................................................18
Troubleshooting Charts
Engine...................................................................................................... 19
Pump ..................................................................................................20-21
Pressure Regulator ............................................................................ 21-22
Soap injector........................................................................................... 23
Product specifications ........................................................................... 24
Product Components
Parts and component diagrams with part numbers.................. 25 to 30
Limited Warranty Statement
Warranty Statement................................................................................31
Table of Contents

3
Congratulations on the purchase of your new Kubota Extreme Duty Series cold water pressure washer.
This product has been carefully designed and manufactured to provide the highest level of quality, safety,
endurance and optimal performance. Each component has been thoroughly and diligently tested to ensure
precise peak performance.
READING this operator manual completely and thoroughly will help to avoid personal injury and/or damage
to your machine. This manual describes simple safety procedure requirements, installation, operating func-
tions, maintenance and troubleshooting steps.
All operators, should read this operator’s manual before attempting to operate the machine. Please read
and pay attention to all safety recommendations contained in this manual and those labeled on the machine.
The contents in this manual are based on the latest product information available at the time of publication.
Kubota reserves the right to make changes to price, color, materials equipment, specifications or models at
any time without notice.
Recording the product information.
Once you have uncrated your new pressure washer write down the product model and serial number in the
box below. This information is found on the product decal located on the motor mount plate. Refer to page 6
for decal location.
Add the complete dealer contact information and keep your operators manual for future reference.
If you need to contact an authorized servicing dealer refer to the customer
service line listed below for product or servicing information.
855-472-7282
Always provide product model, serial number and dealer information.
Introduction
Product identification
Product code : 77700-03518
Serial number :
Date of purchase :
Dealer name :
Dealer phone number :

4
The «DANGER» symbol is used to outline a situation where danger is
imminent and must be strictly avoided. Failure to comply could result in
serious damage to equipment personal injury or even death.
The« Warning» symbol describes the potential for danger or improper
set up and that should be avoided. Failure to comply could result in
serious damage to equipment, personal injury or even death.
The «Caution» symbol indicates the potential for a dangerous situa-
tion that can be avoided. Failure to take notice could result in potential
equipment damage and/ or minor to moderate personal injury. This
symbol can also outline.
Carefully read and follow the instructions or recommendations provided in each paragraph segment under
the headings of «DANGER» « WARNING» and « CAUTION». In each case the paragraphs provide important
information that should be to read.
It is recommended that after reading this information sheet , that a copy be kept as a future reference or for
other operators to read.
The « Prohibited » symbol signifies something « that should not be
done ». As a general indication the following symbol will be used in this
operator’s manual sheet to outline a prohibited action or procedure.
The « Mandatory » symbol signifies something « that must be done ».
As a general indication the following symbol will be used in this opera-
tor’s manual to outline a mandatory action or procedure.
Indicates that machine or property damage could result if instructions
are not followed
Safety -Description of warnings
Safety- Description of safety symbols
Safety -Description of Hazard Warnings
FIRE
HOT SURFACE
ELECTRIC SHOCK
FALL
EXPLOSION
HIGH PRESSURE
FLYING OBJECTS
KICK BACK
TOXIC FUMES
SLIPPERY
WARNING
PROHIBITED
MANDATORY
IMPORTANT
DANGER
CAUTION

5
Safety- Product labels / Warning labels
1
2
3
5
4
Part #: 77700-03518 Serial #: 25689
Model:
EXTRA DUTY SERIES
2500 PRESSURE WASHER
1
2
5
4
3

6
Safety - Before you get started/ Machine Precautions
WARNING
• Read and understand both the engine’s and the pressure
washer manuals before using it. Know how to operate all controls
and how to stop the unit. Lack of knowledge can lead to accidents.
• Use with CAUTION high pressure spray can cause serious
bodily injury.
• Always wear long-sleeve shirt, pants, closed-toed shoes and
appropriate personal protective equipment (gloves, goggles,
apron) when handling chemicals.
WARNING
DO NOT Run the pressure washer without the water source being
connected and flowing into the pump.
DO NOT leave the unit running longer than 3 minute without using
the spray gun – the pump will overheat.
DO NOT let the unit freeze
• Always check the level of the engine oil prior to starting the
washer.
• Do not modify or alter this product or any of its components
without first consulting.
• Check parts for excessive wear regularly. Replace worn parts
with genuine parts.
• Always make sure all components are properly installed and
securely fastened before operation.
• Always follow chemical manufacturer’s instructions before
injecting soap or chemical products.

7
Safety – Precautions Ventilation and Fire
WARNING
This product is designed to be used outdoors.
NEVER operate this unit in an enclosed area even if the windows
are open.
• Running engine gives off carbon monoxide, an odorless,
colorless, poison gas. Breathing carbon monoxide can cause
headache, fatigue, dizziness, vomiting, confusion, seizure ,nausea,
fainting or death.
• Certain chemicals or detergents may be harmful if inhaled or
ingested, causing severe nausea, fainting, or poisoning.
• Ensure exhaust gas from entering a confined area through
windows, doors, ventilation intakes, or other openings.
• Use a respirator or mask whenever there is a chance that vapor
may be inhaled.
• When using a mask- READ manufacturer instructions to ensure the
mask can provide optimal protection.
WARNING
Fuel and fuel vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
Before Adding or Draining Fuel
NEVER fill the engine fuel tank while the unit is running. Turn
pressure washer OFF and let cool for a more than 2 minute before
removing fuel cap. Loosen cap slowly to relieve pressure in tank.
NEVER operate near sparks, open flames, pilot lights, heat, and
other ignition sources.
DO NOT light a cigarette or smoke.
• Fill or drain fuel tank outdoors.
• DO NOT overfill tank. Refuel slowly to avoid spilling fuel. Allow
space for fuel expansion.
• DO NOT operate if fuel spills, wait until it evaporates before
starting engine.
Before Starting Equipment
• Ensure spark plug, muffler, fuel cap, and air cleaner are in place.
• DO NOT crank engine with spark plug removed.
Operating Equipment
• DO NOT tip engine or equipment at angle that causes fuel to spill.
• DO NOT spray flammable liquids.
Transporting or Repairing Equipment
• Transport/repair with fuel tank EMPTY or with fuel shutoff valve OFF.
• Disconnect spark plug wire.
Storing Fuel or Equipment with Fuel in Tank
• DO NOT store unit near furnaces, stoves, water heaters, clothes
dryers, or other appliances that have pilot light or other ignition
source which can create a sparks that can ignite fuel vapors.

8
Safety – Precautions High Pressure Stream/ Slippery Surfaces
WARNING
Using a pressure washer can create puddles and slippery sur-
faces.
Kickback from spray gun can cause you to fall.
• The thrust from water travelling through the hose and nozzle can be
powerful enough to cause the operator to loose balance or footing.
• Avoid injury from potential kickback use both hands to firmly grasp
spray gun/ wand when using high pressure .
• Operate pressure washer from a stable surface.
• NEVER trigger the spray gun while on a ladder or roof
• DO NOT overreach or stand on an unstable surface.
• Ensure there is an adequate slope in the cleaning area to drain
excess water and reduce the possibility of a fall due to slippery
surfaces.
WARNING
High velocity spray fluids can penetrate skin, causing serious
injury. In the event that an accident occurs and spray ap-
pears to have penetrated the skin SEEK EMERGENCY MEDI-
CAL ATTENTION . DO NOT treat water penetration into the
skin as a simple cut. If cleaning and/or soaping agents are
being used, advise the physician of the exact type.
DO NOT allow CHILDREN or adolcescents to operate pressure
washer.
NEVER aim spray gun at people, animals, or plants. 7
• ALWAYS point spray gun in safe direction and squeeze spray gun
trigger, to release high pressure, every time you stop engine.
• NEVER repair high pressure hose. Replace it.
• NEVER repair leaking connections with sealant of any kind.
Replace worn o-ring or seal.
• NEVER connect high pressure hose to nozzle extension.
• Keep high pressure hose connected to pump and spray gun
while system is pressurized.
• DO NOT secure spray gun in open position.
• DO NOT leave spray gun unattended while machine is running.
• NEVER use a spray gun which does not have a trigger lock or
trigger guard in place and in working order.
• ALWAYS be certain spray gun, nozzles and accessories are
correctly attached.

9
Safety – Precautions Protective Gear / Kick Back / Electrical Shock
WARNING
Starter cord kickback (rapid retraction) can result in bodily
injury.
Kickback will pull hand and arm toward engine faster than you
can let go. Broken bones, fractures, bruises, or sprains could
result.
• NEVER pull starter cord without first relieving spray gun pressure.
• When starting engine, pull cord slowly until resistance is felt and then
pull rapidly to avoid kickback.
• Always point the gun in a safe direction after each starting attempt,
where engine fails to run and squeeze spray gun trigger to release
high pressure.
• Firmly grasp spray gun with both hands when using high pressure
spray to avoid injury when spray gun kicks back.
WARNING
Unintentional sparking can result in fire or electric shock.
• NEVER direct the jet toward the machine or toward any electrical
power source ( fuse box, transformer, electrical outlet) or appliance.
• NEVER use in the rain or during a thunderstorm.
When Adjusting or Making Repairs to Your Pressure Washer
• Disconnect the spark plug wire from the spark plug and place the
wire where it cannot contact spark plug.
Testing for Engine Spark
• Use approved spark plug tester.
• DO NOT check for spark with spark plug removed
WARNING
Risk of eye injury.
High pressure spray can propel loose stones or objects at
high velocity.
• Always wear safety goggles and protective clothing when using
this equipment or in vicinity of where equipment is in use.
• Before starting the pressure washer, be sure you are wearing
adequate safety apparel, goggles, boots, gloves and work clothing .
• DO NOT substitute safety goggles for safety glasses.

10
Safety – Precautions Hot Surfaces / Important Notices
WARNING
IMPORTANT
Contact with muffler or motor components can result in serious
burns.
Exhaust heat/gases can ignite combustibles, structures or
damage fuel tank causing a fire.
• DO NOT touch hot parts and AVOID hot exhaust gases.
• Allow equipment to cool before touching.
• Keep at least 5 feet (1.5 m) of clearance on all sides of pressure
washer- including above the unit.
• If you have questions about intended use, ask dealer or contact the nearest
authorized servicing dealer.
• STAY ALERT when using a pressure washer.
• DO NOT operate when fatigued or under the influence of alcohol or drugs or
medications that make restrictions about operating equipment.
• FAILURE to follow warnings below can cause hazardous operating
conditions and will void all product warranties.
• DO NOT by-pass any safety device on this machine.
• DO NOT tamper with governed speed.
• DO NOT operate pressure washer above rated pressure.
• DO NOT modify alter or modify the equipment.
• NEVER operate units with broken or missing parts, or without protective housing
or protective covers.
• Before starting pressure washer in cold weather, check all parts of the equipment
to be sure ice has not formed there.
• NEVER move machine by pulling on hoses. Use the unit Cage frame as the handles.
• Use frame to securely tie down the unit while transporting in all types of vehicles.
• Check fuel system for leaks or signs of deterioration, such as chafed or spongy
hose, loose or missing clamps, or damaged tank or cap. Correct all defects before
operating pressure washer.

11
Operating instructions
Product manual
25' steel braided
3/8"hose
Two piece 36"gun & wand
CAGE2500
Spray tip nozzles
15º
25º
40º
Soap
Pump parts manual
Engine manual
Box contents:

12
Operating instructions
1. Make sure that all hoses are in good state, not cracked or
crushed.
2. Check the oil level of the pump. Pump must be in a level
position. Oil level must be halfway on the sight glass (A on
figure 1) or visible on the dipstick (B on figure 1).
3. Check the oil level of the engine. Engine must be in a level
position. Remove the oil filler cap/ dipstick (C on figure 1).
Oil level should be at bottom edge of the oil fill hole.
4. Check the presence and state of the water inlet gasket
(D on figure 2).
5. Check the water inlet mesh screen filter. Remove and
clean mesh filter.
• Before inspecting, cleaning, or repairing, make sure the
machine is on a level surface.
• Risk of injection; always put the safety-catch on the gun
as soon as the gun is not used, and especially for
replacement of nozzles.
• Always wear long clothes, gloves and safety glasses when
inspecting, cleaning, repairing and operating this machine.
Figure 1
Figure 2
Mesh screen
1
2
5
Oil level
WARNING: to avoid injuries :
Filling the fuel tanks
1. Remove the cap (E on figure 3) from the engine gas tank.
2. Fill with unleaded gasoline with a pump octane rating of
86 or higher. Do not overfill. Do not fill above the top of the
fuel filter screen. Avoid water or dirt entering while filling
the tank.
3. Screw back the gas tank cap.
• Do not remove fuel caps nor add fuel when the engine is
running or hot.
• Refuel outdoors only and in a well-ventilated area with the
equipment stopped.
• If any fuel is spilled, clean it up completely and allow
vapors to dissipate before starting the engine.
• Do not refuel while smoking, near an open flame, sparks,
or other heat source.
Figure 3
WARNING:
A
D
E
B
C

13
Operating instructions / Starting your engine
Figure 4
Figure 5
DANGER:
DO NOT START ENGINE WITHOUT SUPPLYING WATER
TO THE PUMP
1. Turn down the fuel valve (F on figure 4) to open.
2. Close the choke by moving the lever (G on figure 4)
completely to the left.
3. Move the throttle lever (H on figure 4) from the right to
1/3 of the way to the left.
4. Turn the engine switch (I on figure 5) to ON position.
5. Pull the start grip (J on figure 4) lightly until resistance
is felt, and then pull briskly. Do not allow the starter grip
to snap back against the engine. Return it gently to
prevent damage to the starter.
6. As engine warms, gradually open the choke by moving
the lever (G on figure 4) to the right.
7. Let the engine idle for a couple of seconds.
8. Move the throttle lever (H on figure 4) completely to the
left, to full throttle.
• Never run the engine indoors or in a poorly ventilated area
such as tunnel or cave.
H
G
F
J
I

14
Operating instructions / Cold water pressure washing
1. Fill the fuel tanks (see “Filling the fuel tanks” previous section).
2. Connect a water supply hose at the machine inlet (K on figure 7)
and on the spray gun (M on figure 8). The supply hose flow rate
must be at least 4 gpm (15 l/min).
3. Depress the gun trigger (L on figure 8) until water flows out limpid
and regularly. Release the gun trigger.
4. Install a high pressure nozzle (refer to information box below) at the
wand outlet.
5. Start the engine according to “Starting the engine” previous section
and set the speed to full throttle.
6. Press the gun trigger and wash. Operate the gun continuously. Do
not press and release the trigger in cycles of less than 5 seconds.
7. Pressure can be adjusted by means of the high pressure regulator
(N on figure 9) up to2500 psi.
8. To stop, see section “Stopping procedure” further in this manual.
Thermal Protector Feature on the pump.
When the gun has not been in use for 4 or 5 minutes the pressure in the pump builds and the internal water gets
hot. When the pump water temperature reaches 140°F the thermal protector will release a trickle of water onto the
ground to ensure that cooler fresh water circulates through the pump to protect it from heat damage.
• The muffler and other engine parts become very hot.Do not touch with bare hand.
• If you spray too close when using a high pressure spray tip, you could damage the surface being cleaned.
IMPORTANT:
WARNING:
Using and changing spray nozzle tips:
1. Installing or changing nozzles. Pull back on collar, insert new spray tip and
release collar. Tug on spray tip to ensure it is securely connected to the wand.
2. Pull back collar on quick–connect coupler and pull current spray tip off. Storing
nozzles in the designated holder will help to prevent debris from clogging the
tips.
3. Selecting the proper spray tip to tackle the job:
• YELLOW nozzle 15° Used to scour- chisel or peel away paint, grease, mud
or dirt. For surface preparation direct spray at a 45°angle to peel away
paint, and removing stubborn stains from concrete.
• GREEN 25° Spray is used for flushing dirt, mud and grime. Best suited to
wet sweep, leaves mud and dirt from walks, curbs, driveways, washing
swimming pool bottoms or degreasing an engine.
• WHITE nozzle 40° for gentle and thorough rinse before and after soaping
• BLACK nozzle used for detergent and soaping. The soaping function only
works with the black soaping is in place.
Usage Tips
• For most effective cleaning, keep spray tip from 8 to 24 inches away from cleaning surface.
Soaper
Black
15º
Yellow
25º
Green
40º
White
WARNING:
L
M
Figure 7
5
1
2
3
4
K
Figure 8
L
M
N
Figure 9

15
Operating instructions – Soap injection / Stopping the machine
Injecting soap
The pressure washer will only draw soap with the BLACK
SOAPING nozzle tip is attached.
WHITE, GREEN, AND YELLOW NOZZLE WILL NOT DRAW SOAP.
1. Remove the high pressure nozzle at the wand outlet and
replace it by the black soap nozzle (figure 11).
2. Insert the soap filter and hose (O on figure 12) in a liquid
soap container.
3. Depress the gun trigger. Water and soap mix will take
30 seconds to reach the nozzle and flow out.
4. Once soap application is finished, remove the soap
nozzle and install a high pressure nozzle to rinse (yellow,
green or white). Soap will flow out for 30 seconds and
then stop.
• If corrosive products have been injected, rinse injector by
injecting water for a couple of minutes.
Stopping the Machine
1. If the machine has been used for soap injecting, install
a high pressure yellow, green or white nozzle at wand
outlet.
2. Depress the gun trigger until water flows out limpid and
regularly, and at a temperature of less than 100°F (40°C).
3. Release the gun trigger.
4. Move the throttle lever (H on figure 13) completely to
the right.
5. Let the engine idle for a couple of seconds.
6. Turn off the engine switch (I on figure 14).
7. Turn right the fuel valve (F on figure 13) to close.
8. Close the water supply valve.
9. Depress the gun trigger to release pressure from the
system.
10. Disconnect the water supply hose.
11. Make sure that all nozzles, tool, gun and wand are stored
in their proper place.
12. Make sure that all safety equipment is stored in its
proper place.
Figure 12
Figure 11
Figure 13
Figure 14
Soaper
Black
IMPORTANT:
H
G
F
J
I
O

16
Maintenance – Winterizing / Motor oil change
Winterization
During winter and cold periods, if there is a freezing risk for the machine, it is recommended to take the fol-
lowing precautions immediately after stoppping the machine:
1. Disconnect the water supply hose from the machine inlet and replace it with a 5 feet (1.5 m) hose.
2. Place the free end of the hose into a container filled with a 50% antifreeze and 50% water solution. Use
automotive antifreeze. NEVER use plumbing antifreeze, alcohol or windshield washer fluid.
3. Remove the nozzle from the wand outlet.
4. Start the engine and let it idle.
5. Depress the gun trigger.
6. Depress the gun trigger again until antifreeze begins to flow out from the wand outlet, and then release
the trigger.
7. When the pump is primed and pumping antifreeze, release the gun trigger to fill the pressure washing
by-pass line with antifreeze.
8. Stop the engine.
9. Depress the gun trigger to release pressure from the system.
Antifreeze can be recovered at the next use and be used again on condition that you measure the concentra-
tion and add antifreeze to the solution if needed.
To recover antifreeze, connect a water supply hose to the machine inlet and open the supply hose valve. Do
not start the engine. The water supply pressure will be sufficient to slowly push solution to the outlet.
Dispose of used antifreeze according to environmental laws. Keep it in a closed container, then bring to the
nearest deposit. Do not throw to garbage or pour in the soil or in a sewer.
• Do not forget that at 32°F (0°C), the machine can freeze.
Engine oil change
The first engine oil change must be done after 10 hours of use.
The next oil changes must be done after every 50 hours of use.
1. Place a container under the machine to recover used oil.
2. Unscrew the oil drain plug (A on figure 15).
3. Let oil flow slowly through the oil drain hole in the motor mount plate.
4. When engine crankcase is empty, screw back the drain plug.
5. Unscrew the oil filler cap/dipstick (B on figure 15).
6. Fill with SAE 10W-30 oil to bottom edge of the oil fill hole. Engine
crankcase capacity is 20.6 fluid ounces (0.6 l).
7. Screw the oil filler cap/dipstick back in place.
Dispose of used oil according to environmental laws. Keep it in a closed container, and then bring to the
nearest deposit. Do not throw to garbage or pour in the soil or in a sewer.
IMPORTANT:
IMPORTANT:
E
Figure 15
A
B

17
Pump oil change
The first pump oil change must be done after 10 hours of use. The next
oil changes must be done after every 200 hours of use.
1. Place a container under the pump to recover used oil.
2. Unscrew brass oil drain plug (A on figure 16 under the pump).
3. Let oil flow slowly to avoid splash.
4. When pump crankcase is empty, screw back the drain plug.
5. Unscrew the oil filler cap/dipstick (B on figure 16).
6. Fill with NON DETERGENT SAE 30 oil to halfway on the sight glass.
Pump crankcase capacity is 14 fluid ounces (0.4 l).
7. Screw the oil filler cap/dipstick back in place.
Dispose of used oil according to environmental laws. Keep it in a closed container, and then bring to the nea-
rest deposit. Do not throw to garbage or pour in the soil or in a sewer.
Storage
If the machine is to be stored for a long time, take the following precautions:
1. Winterize the machine. Follow instructions specified at the end of previous section.
2. Using a siphon, empty the engine gas tank.
3. Recirculate antifreeze. Suck antifreeze from the container and return it into the same container. To
empty the carburetor, start the engine and let it run until engine stops by itself.
4. Using a siphon, empty the oil tank.
5. Change the engine oil. Follow instructions specified earlier in this section.
6. Change the pump oil. Follow instructions specified earlier in this section.
8. Store the machine in a cool dry place, sheltered against rain and well ventilated.
When the time comes to restart the machine, take the following precautions:
1. Make sure that all hoses are in good state, not cracked or crushed.
2. Check the state of the fuel oil filter. Replace the filter if it is damaged or dirty.
3. Check the presence and condition of the water inlet gasket.
4. Change the engine oil. Follow instructions specified earlier in this section.
5. Change the pump oil. Follow instructions specified earlier in this section.
6. Recover antifreeze from the machine. Follow instructions specified at the end of previous section.
7. Charge and connect the battery. Follow instructions specified earlier in this section.
8. Check the general condition of the machine. Perform a complete visual inspection.
9. When everything seems to be perfect, fill the tanks and start the machine.
• Refuel outdoors only and in a well-ventilated area with the equipment stopped.
• If any fuel is spilled, clean it up completely and allow vapors to dissipate before starting the engine.
• Do not refuel while smoking, near an open flame, sparks, or other heat source.
• Always wear long clothes, gloves and safety glasses when inspecting, cleaning, repairing and
operating this machine.
Maintenance – Storage / Pump oil change
IMPORTANT:
WARNING:
2
Figure 16
B
A

18
Periodic maintenance schedule table
Maintenance items Daily Every Every Every Every Every
50 100 200 500 1000
hours hours hours hours hours
Check general condition of the machine •
Check engine oil level •
Check pump oil level •
Check hoses condition •
Check water inlet gasket and filter •
Change engine oil •
Check bolts and nuts tightening •
Clean engine air cleaner •
Clean engine spark plug •
Change pump oil •
Replace engine air cleaner element •
Clean engine fuel cup (filter) •
Clean and adjust engine spark plug •
Replace engine spark plug •
Clean and adjust engine carburetor •
Replace fuel lines •
Initial 10 hours
Initial 10 hours

19
FAULT CAUSE REMEDY
The engine stops and does not
restart.
The engine does not start.
The oil level is too low. The
engine oil alert system cuts the
ignition.
No fuel in tank.
Fuel valve close.
Choke open.
Bad fuel; wrong fuel; contami-
nated fuel.
Spark plug wet with fuel (floo-
ded engine).
Spark plug faulty, fouled or
improperly gapped.
Carburetor, ignition, valves, etc.
Add oil in the engine crankcase.
Adjust oil level.
Check fuel level.
Open fuel valve.
Close choke to start.
Drain fuel tank and carburetor.
Refuel with fresh gasoline.
Dry and reinstall spark plug.
Start engine with throttle lever
in maximum speed position.
Adjust or replace spark plug.
Take engine to an authorized
Subaru service center.
Trouble shooting guide
ENGINE

20
Trouble shooting guide
FAULT CAUSE REMEDY
The motor runs but the pump
does not work.
The pump runs, but does not
give maximum pressure.
Fluctuating pressure.
Excessive vibration in delivery
hose
and gun.
The pump valves are jammed
by dirt.
The O’ rings of the valves are
damaged.
The pump key is broken.
The nozzle is worn or has not
the proper size.
The soap nozzle is installed.
Leaks in the high pressure line.
The seat or the valve of the
washing regulator are dirty or
worn.
The pump valves are worn or
dirty.
Pump water seals are worn.
Pump is sucking air.
Water supply is insufficient.
Valves are worn or dirty.
Water seals are worn.
Pump is sucking air.
Water supply is insufficient.
Pump valves are dirty or worn.
Pump water seals are worn.
A connecting rod is broken.
Clean the valves. Check or add
a filter at the pump inlet.
Replace.
Replace.
Check for the recommended
size or replace.
Replace with a high pressure
nozzle.
Stop the leaks.
Check, clean or replace the
defective parts.
Clean or replace.
Replace.
Check the supply piping.
Check if supply flow provides
the pump’s needs.
Clean or replace.
Replace.
Check the supply piping.
Check if supply flow provides
the pump’s needs.
Clean or replace.
Replace.
Replace.
PUMP