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https://www.XPOtool.com
Item 63444–63445
Page 10
The Tool Experts
08 2022-1
Insufficient engine power
Error
Cause
Suggested solution
The compression ratio is OK
and the ignition fire is not ex-
tinguished.
Fuel line connection sucks in air
Tighten.
Carburettor connection sucks in
air
Replace and tighten gasket.
Fuel mixes with water
Replace fuel.
Filter clogs
Clean.
Carbon clogs exhaust cylinder
Clean.
Engine overheated
Lean gas mixture
Adjust carburettor.
Cylinder covered with carbon
Clean.
Engine noise or knocking
Poor fuel
Replace.
Combustion chamber covered
with carbon
Clean.
Moving parts worn or defective
Check and replace.
Hard engine stop
Error
Cause
Suggested solution
Engine
Overheating of cylinder and pis-
ton lead to self-ignition
Remove carbon deposits.
Relay circuit
Overheating of spark plug con-
nector
Clean spark plug and check gap.
Stop switch faulty
Check and remedy.
Troubleshooting and rectification of pump problems
Error
Cause
Suggested solution
Pump cannot self-priming
No water or lack of water in pump
Refill water.
Seal of connection damaged or
connection loose so that suction
hose sucks in air.
Replace or tighten.
Suction hose broken, so that air
is sucked in
Replace hose.
Valve connected on the pressure
side closed
Check and adjust.
Distance between impeller and
volute casing not correct
Adjust.
Pump clogged by foreign object
Clean.
The water outlet is insufficient
and the pressure is too low.
Strainer of suction pipe clogged
Clean.
Suction hose clogged
Clean.
Pump clogged by foreign object
Clean.
Impeller and volute casing worn
Replace.