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Owner’s Manual
2
Trouble Shooting
15
• Engine wil not start or stops while operating.
Low-oil shutdown:
Fill engine with oil
Engine switch not in “ON” position:
Turn switch “ON”S
Pressure built up in hose:
Squeeze trigger while starting
• Engine is overloaded
Nozzle partially blocked
Clean Nozzle
Excessive pressure
Shorten the spring coil on the reflux valve
• Pressure increases when gun is locked
Bypass valve blocking
Clean the bypass valve
• Engine is running but pump won’t build maximum pressure or has irregular pressure
Faucet closed
Open faucet
Unit has been stored in freezing temp.
Thaw out unit completely
Inadequate water supply
Provide a minimum of 4 GPM at 20 PSI
Water inlet screen clogged
Clean screen
Kink in garden hose
Straighten garden hose
Wand nozzle worn or damaged
Replace nozzle
Air in pump
Run with gun open & wand removed
until steady stream of water is released
Adjustable pressure knob not set
Set to maximum position
to maximum position
Suction or discharge valves clogged
Clean the suction or discharge valves
or worn out
Bypass valve not operating effectively
Clean the bypass valve
• No intake of chemicals
Injection tube not securely inserted
Push firmly into injector
into unit
Tube cracked or split
Replace tube
Wrong nozzle
Switch to low pressure nozzle
Injector turned off
Turn collar counter
• Trigger will not move
Gun safety lock engaged
Release safety lock