12
RAPTOR MANUAL - HIGH PRESSURE CLEANER
FAULT
CAUSE
SOLUTION
Pump runs normally
but pressure does not
achieve rated value.
Pump is sucking air.
Valves are worn or dirty.
Unloader valve packing worn.
Nozzle incorrect or worn.
Worn piston packing.
Dirty inlet filter.
Check that all hoses and fittings are airtight.
Check, clean or replace.
Check and replace.
Check and replace.
Check and replace.
Check and clean.
Fluctuating pressure.
Valves dirty, worn or stuck.
Pump sucking air.
Worn piston packing.
Dirty filter.
Check, clean or replace.
Check that all hoses and fittings are airtight.
Check and replace.
Check and clean.
Presence of water in oil.
High humidity in air.
Piston packing or oil seal worn.
Water entering through breather.
Check and change oil twice as often.
Check and replace.
Water dripping from
pump.
Piston packing worn.
Piston guide o-rings worn.
Check and replace.
Check and replace.
Dripping oil.
Worn oil seals.
Oil coming out of breather.
Check and replace.
Pump oil level overfull.
Motor does not start
when switched on
Plug not well connected or unreliable
power supply.
Earth leakage overload.
Check plug, cable and switch.
Check earth leakage.
Trouble Shooting
Summary of Contents for Raptor
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