Problem |
Possible Cause |
Correction |
Engine will not start or stops operating. |
Low Oil Shutdown. |
Fill engine with oil. |
Engine switch not in the "ON" position. |
Turn switch "ON". |
Pressure build up in hose. |
Squeese Trigger. |
Engine is overloaded. |
Nozzle partially blocked. |
Clean nozzle. |
Excessive Pressure. |
Reduce pressure by using pressure adjustment knob. |
Water or oil leaking from bottom of pump. |
A small amount of leakage is normal. |
If Excessive leaking occurs call the Customer Service Department. |
Pressure increases when gun is closed. |
Bypass valve not operating properly. |
Call the Customer Service Department. |
Engine running but pump not building maximum pressure or has irregular pressure. |
Faucet closed. |
Open Faucet. |
Unit has been stored in freezing temperatures. |
Thaw out unit completely including hose, gun and wand. |
Inadequate water supply. |
Provide a minimum of 4 gpm at 20 psi. |
Water inlet screen clogged. |
Clean screen. |
Kink in garden hose. |
Replace nozzle. |
Air in pump. |
Let run with gun open and wand removed until steady stream of water is released. |
Adjustable pressure knob not set to maximum position. |
Set to maximum position. |
Suction or discharge valves clogged or worn out. |
Call the Customer Service Department. |
By-pass valve not operating effectively. |
Call the Customer Service Department. |
No intake of chemicals. |
Injection tube not securely inserted into unit. |
Push firmly into injector. |
Tube cracked or split. |
Replace tubing. |
Wrong nozzle. |
Switch to low pressure nozzle. |
Injector turned off. |
Turn collar counter clockwise. |
Injection tube strainer clogged. |
Clean strainer. |
Nozzle blocked. |
Clean nozzle. |
Dried chemicals injector. |
Dissolve by running warm water trough the injection tube. |
Trigger will not move. |
Gun safety lock engaged. |
Release safety lock. |
Water in crankcase. |
High humidity. |
Change oil more frequently. |
Worn seals. |
Call the Customer Service Department |
Noisy operation. |
Worn bearings. |
Call the Customer Service Department |
Air mixed with water. |
Check inlet lines for restrictions and/or proper sizing. |
Rough/pulsating operation with pressure drop. |
Worn Packing. |
Call the Customer Service Department. |
Inlet Restriction. |
Check system for stoppage, air leaks, correctly sized inlet plumbing to pump. |
Unloader. |
Check unloader for proper operation. |
Air mixed in water |
Check inlet lines for restrictions and/or proper sizing. |
High crankcase temperature. |
Wrong grade of oil. |
Check inlet lines for restrictions and/or proper sizing. |
Improper amount of oil in crankcase. |
Adjust oil level to proper amount. |