TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Engine will not start (see
Engine Owner's Manual for
further engine
troubleshooting)
1. No fuel
1. Add fresh fuel
2. Pressure builds up after two pulls on
the recoil starter or after initial use
2. Squeeze gun trigger to relieve pres sure
3. Choke lever in the "No Choke" position 3. Move choke to the "Choke" po si tion
4. Spark plug wire not attached
4. Attach spark plug wire
5. Engine switch in OFF po si tion.
5. Place engine switch in ON position.
6. Choke lever in the "Choke" position
on a "hot" engine or an engine that
has been exposed to thermal heat for a
long period of time.
6. Move choke to the "No Choke" po si tion.
No or low pressure (initial use)
1. Spray wand not in high pressure
1. See How to Use Spray Wand instructions in the
Operation Section
2. Low water supply
2. Water supply must be at least 5 gpm @ 20 PSI
3. Leak at high pressure hose fitting
3. Repair leak. Apply sealant tape if necessary
4. Nozzle obstructed
4. See Nozzle Cleaning instructions in the Maintenance
section
5. Water filter screen clogged
5. Remove and clean filter. See Cleaning Water Inlet
Filter paragraph in the Maintenance section for the
correct procedure
6. Air in hose
6. Turn off the engine, then the water source.
Disconnect the water source from the pump inlet and
turn the water source on to remove all air from the
hose. When there is a steady stream of water present,
turn water source off. Re- con nect water source to
pump inlet and turn on wa ter source. Squeeze trigger
to re move re main ing air
7. Choke in the “Choke” position
7. Move choke to the “No Choke” po si tion
8. High pressure hose is too long
8. Use high pressure hose under 100 feet (30 m)
Will not draw chemicals
1. Spray wand not in low pressure
1. See How to Use Spray Wand paragraph in the
Operation Section
2. Chemical filter clogged
2. Clean filter
3. Chemical screen not in cleaning
solution
3. Make sure end of detergent siphon hose is fully
submerged into cleaning solution
4. Chemical too thick
4. Dilute chemical. Chemical should be the same
consistency as water
5. Pressure hose is too long
5. Lengthen water supply hose instead of high pressure
hose
6. Chemical build up in chemical injector
6. Please contact our customer service department at
1-855-504-5678 or www.campbellhausfeld.com
No or low pressure
(after period of normal use)
1. Worn seal or packing
1. Please contact our customer service department at
1-855-504-5678 or www.campbellhausfeld.com
2. Worn or obstructed valves
2. Please contact our customer service department at
1-855-504-5678 or www.campbellhausfeld.com
3. Worn unloader piston
3. Please contact our customer service department at
1-855-504-5678 or www.campbellhausfeld.com
Water leaking at gun/spray
wand connection
1. Worn or torn o-ring
1. Check and replace
2. Loose hose connection
2. Tighten
Water leaking at pump
1. Loose connections
1. Tighten
2. Piston packings worn
2. Please contact our customer service department at
1-855-504-5678 or www.campbellhausfeld.com
3. Worn or torn o-ring
3. Please contact our customer service department at
1-855-504-5678 or www.campbellhausfeld.com
4. Pump head or tubes damaged from
freezing
4. Please contact our customer service department at
1-855-504-5678 or www.campbellhausfeld.com
Pump pulsates
Nozzle obstructed
See Nozzle Cleaning paragraph in the Maintenance
section for the correct procedure
MAINTENANCE /
REP
AIR
TROUBLESHOOTING
OPERA
TION
ASSEMBL
Y /
INST
ALLA
TION
SAFETY /
SPECIFICA
TIONS
GETTING ST
AR
TED
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