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Engine runs well
at no load but
1. Engine speed is too slow.
"bogs" down
under full load.
Engine will not
1. Low oil level.
start; or starts
2. Dirty air cleaner.
and runs rough.
3. Out of fuel.
Engine shuts
1. Out of fuel.
down during
2. Low oil level.
operation.
Engine lacks
1. Dirty air filter.
power.
Problem
1. Using wrong nozzle.
No low pressure
2. Siphon hose or filter is
detergent
blocked.
delivery
1. Restricted or insufficient
Unit does not
water supply.
reach required
2. Unsuitable or worn out
pressure
nozzle.
3. Regulator set too low.
Thermal relief
1. Water temperature is too
valve is open and
high.
discharging water
2. Pump has been operating for
from side of
3 mins without pulling trigger.
pump.
1. Water leak in high pressure
Leak in the
fittings, hose or gun.
fittings.
1. Normal use consumes oil
Pump oil is low.
over time.
1. Seals have worn from use
Oil is milky color.
and water has leaked in.
Cause
Page 18
1. Adjust throttle lever back to
full throttle.
1. Fill to proper level.
2. Clean or replace air cleaner.
3. Fill fuel tank.
1. Fill fuel tank.
2. Fill with oil, to proper level.
1. Replace air filter.
Correction
1. Insert black soaper nozzle.
2. Unblock siphon hose.
1. Check supply hose, tap and
inlet water filter. It must be
connected to water source
which provides 14.4 litres per
minute and no less than 20 PSI.
2. Replace nozzle.
3. Reset unloader by turning
knob (clockwise increases
pressure).
1. Use cool water only.
2. Pull trigger at least 30
seconds every 3 mins.
1. Tighten hose fittings, replace
hose or gun. If problem
continues, contact your dealer.
1. To gauge the oil level, look
directly into the sight glass. Oil
level should always be at the
center dot. DO NOT overfill.
Replace with 30W non
detergent mineral oil.
1. Return unit to local dealer to
have seals replaced.
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