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30
PROBLEM
POSSIBLE CAUSE
POSSIBLE SOLUTION
Engine will not start
Fuel Valve OFF
Move fuel valve lever to ON
Choke OPEN
Move choke lever to CLOSED
unless engine is warm
Engine switch OFF
Turn engine switch to ON
Out of fuel
Refuel
Bad fuel; engine stored without
treating or draining petrol, or
refuelled with stale petrol
Drain fuel tank and carburetor.
Refuel with fresh petrol
Spark plug faulty, fouled or
improperly gapped
Remove and inspect spark
plug. Clean, gap or replace
spark plug
Spark plug wet with fuel
(flooded engine)
Remove and inspect spark
plug. Dry and reinstall spark
plug. Start engine with throttle
lever in FAST position
Fuel filter clogged, carburetor
malfunction, ignition
malfunction, valve stuck etc.
Take engine to a qualified
repair centre. Replace or repair
faulty components as
necessary
Engine lacks power
Filter element clogged
Check air filter. Clean or
replace filter
Bad or stale fuel
Drain fuel tank and carburetor.
Refuel with fresh petrol
Fuel filter clogged, carburetor
malfunction, ignition
malfunction, valves stuck etc.
Take engine to a qualified
repair centre. Replace or repair
faulty components as
necessary
Rack catching on tail tube (at
end of stroke)
Wood chips or debris caught
between ram bushing plate and
beam
Clean beam of built up/caked
on debris
Rack returning very slowly or
not returning at all
Rack lift bearing out of
alignment or damaged
Re-align the bearing or replace
as necessary
Return spring unhooked or
damaged
Reconnect or replace as
necessary
Machine wedge end too low
Must be almost level or wedge
end slightly higher. Perform rail
maintenance and lubricate the
beam
10. TROUBLESHOOTING