H.E.R.O. Industries Pressure Washer Owners
Page 6
TROUBLE SHOOTING
FAULT CAUSE REMEDY
Pump running normally but pressure does
not achieve rated pressure.
Pump sucking air.
Valves worn or dirty.
Insufficient water flow.
Unloader valve packing worn.
Nozzle incorrect or worn.
Worn piston packing.
Check that hoses and fittings are air tight.
Check, clean or replace.
Increase water supply.
Check and replace.
Check and replace.
Check and replace.
Fluctuating pressure Valves worn, dirty or stuck.
Pump sucking air.
Worn piston packing.
Insufficient water flow.
Check, clean or replace.
Check that hoses and fittings are air tight.
Check and replace.
Increase water supply. May require new
water supply source.
Pressure drops after period of normal use. Nozzle worn.
Valves worn, dirty or stuck.
Unloader valve packing worn.
Worn piston packing.
Check and replace.
Check, clean or replace.
Check, clean or replace.
Check and replace.
Pump noisy Pump sucking air.
Valves dirty or worn.
Worn bearings.
Check that hoses and fittings are air tight.
Check, clean or replace.
Check and replace if necessary.
Presence of water in oil High humidity in air. Check and change oil twice as often.
Water dripping from under pump. Piston packing worn.
The O-rings of piston guide or retainer
worn.
Check and replace.
Check and replace.
Check and replace.
Oil dripping. Oil seal worn. Check and replace.
Engine will not start. Low fuel level.
Low oil level.
Worn spark plug or gap.
Add fuel.
Add oil.
Replace.
PUMP SERVICE
POSITION # TORQUE SETTING FLUID TO BE USED
1 18 FT/LB
2 33 FT/LB LOCTITE 243
3 18 FT/LB
4 18 FT/LB LOCTITE 243
TORQUE SETTING CHART
COMET AXD2524G
4
1
3
2
