Troubleshooting, Pow637, 10 troubleshooting – Powerplus POW63753 LAWNMOWER 118CC 400MM EN User Manual

Page 15

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POW637..

EN

Copyright © 2010 VARO

P a g e

| 15

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10 TROUBLESHOOTING

Problem

Probable cause

Corrective action

Engine does not
start

Throttle chock not in the
correct position for the
prevailing conditions.

Move throttle chock to correct position

Fuel tank is em pty.

Fill tank with fuel: refer to ENGINE
OWNERS MANUAL.

Air cleaner element is dirty.

Clean air cleaner element: refer to ENGINE
OWNERS MANUAL

Spark plug loose.

Tighten spark plug to 25-30 Nm.

Spark plug wire loose or
disconnected from plug.

Install spark plug wire on spark plug.

Spark plug gap is incorrect.

Set gap between electrodes at 0.7 to 0.8mm

Spark plug is defective

Install new, correctly gapped plug: refer to
ENGINE OWNERS MANUAL

Carburetor is flooded with
fuel

Remove air cleaner element and pull starter
rope continuously until carburetor clears
itself and install air cleaner element.

Faulty ignition module

Contact the service agent.

Engine difficult
to start or loses
power.

Dirt, water, or stale fuel
tank.

Drain fuel and clean tank. Fill tank with
clean, fresh fuel

Vent hole in fuel tank cap
is plugged.

Clean or replace fuel tank cap.

Air cleaner element is dirty.

Clean air cleaner element.

Engine operates
erratically.

Spark plug is defective.

Install new, correctly gapped plug: refer to
ENGINE OWNERS MANUAL

Spark plug gap is incorrect.

Set gap between electrodes at 0.7 to 0.8mm

Air cleaner element is dirty.

Clean air cleaner element: refer to ENGINE
OWNERS MANUAL

Engine idles
poorly.

Air cleaner element is dirty.

Clean air cleaner element: refer to ENGINE
OWNERS MANUAL

Air slots in engine shroud
are blocked.

Remove debris from shots.

Cooling fins and air
passages under engine
blower housing are
blocked.

Remove debris from cooling fins and air
passages.

Engine idles
poorly.

Gap between electrodes of
spark plug is too close.

Set gap between electrodes at 0.7 to 0.8mm

Engine
overheats

Cooling air flow is
restricted.

Remover any debris from slots in shroud,
blower housing, air passages

Incorrect spark plug.

Install FGRTC spark plug and cooling fins
on engine

Mower vibrates
abnormally

Cutting assembly is loose.

Tighten blade

Cutting assembly is
unbalanced

Balance blade.

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