Service Maintenance Guide - Bushranger CS4020 Operator's Manual

SERVICE MAINTENANCE GUIDE

AREA AREA MAINTENANCE
Air Filter
Air Filter Clean/Replace
Fuel Filter
Fuel Filter Inspect/Clean/Replace
Spark Plug
Spark Plug Inspect/Clean/Adjust/Replace
Carburettor
Carburettor Adjust/Replace and adjust
Cooling System
Cooling System Inspect/Clean
Silencer
Silencer Inspect/Tighten/Clean
Oil Filter
Oil Filter Inspect/Clean/Replace
Sprocket
Sprocket Inspect/Replace
Chain Brake Chain Brake Inspect/Replace
Starter Rope
Starter Rope Inspect/Replace
Guide Bar
Guide Bar Inspect/Clean
Fuel System Fuel System Inspect/Repair
Screws, Bolts and nuts Screws, Bolts and nuts Inspect/Tighten/Replace
IMPORTANT IMPORTANT
Time intervals shown are maximum. Actual use and your experience will determine the frequency of Time intervals shown are maximum. Actual use and your experience will determine the frequency of
required maintenance required maintenance
TROUBLE SHOOTING
Trouble Trouble
Engine Engine - starts hard - starts hard
- does not start - does not start
Engine Fuel at
Engine Fuel at
cranks carburetton
cranks carburetton
Fuel at cylinder
Fuel at cylinder
Spark at end of Spark at end of
end end
plug wire plug wire
Spark at plug Spark at plug
plug plug
Engine Engine
does not does not
crank crank
Engine Dies or
Engine Dies or
runs accelerates
runs accelerates
poorly
poorly
WARNING DANGER
All chain saw service, other than items listed in the operator's manual should be performed by
competent service personnel.
SERVICE MAINTENANCE GUIDE
SERVICE MAINTENANCE GUIDE
MAINTENANCE
Clean/Replace
Inspect/Clean/Replace
Inspect/Clean/Adjust/Replace
Adjust/Replace and adjust
Inspect/Clean
Inspect/Tighten/Clean
Inspect/Clean/Replace
Inspect/Replace
Inspect/Replace
Inspect/Replace
Inspect/Clean
Inspect/Repair
Inspect/Tighten/Replace
TROUBLE SHOOTING TROUBLE SHOOTING
No fuel at
No fuel at • Fuel filter clogged • Fuel filter clogged
carburetton
carburetton • Fuel line clogged • Fuel line clogged
• Carburettor • Carburettor
No fuel at
No fuel at • Carburettor • Carburettor
cylinder
cylinder
Silencer wet with
Silencer wet with • Fuel mixture is too rich • Fuel mixture is too rich
fuel
fuel
No spark at No spark at • Ignition switch off
• Ignition switch off
• Electrical problem
• Electrical problem
of plug wire of plug wire
No spark at No spark at • Spark gap incorrect • Spark gap incorrect
• Covered with carton • Covered with carton
• Fouled with fuel • Fouled with fuel
• Spark plug defective • Spark plug defective
• Internal engine problem • Internal engine problem
• Air filter dirty • Air filter dirty
• Fuel filter dirty • Fuel filter dirty
• Fuel vent plugged • Fuel vent plugged
• Spark plug • Spark plug
• Carburettor • Carburettor
• Cooling system plugged • Cooling system plugged
• Exhaust port/silencer • Exhaust port/silencer
PAGE PAGE BEFORE USE BEFORE USE
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Cause Cause
• Clean or replace • Clean or replace
• Clean • Clean
• Ask your dealer • Ask your dealer
• Ask your dealer • Ask your dealer
• Open choke • Open choke
• Clean/replace air filter • Clean/replace air filter
• Adjust carburettor • Adjust carburettor
• Ask your dealer • Ask your dealer
• Turn switch on
• Turn switch on
• Ask your dealer
• Ask your dealer
• Adjust 0.6 to 0.7 mm • Adjust 0.6 to 0.7 mm
• Clean or replace • Clean or replace
• Clean or replace • Clean or replace
• Replace plug • Replace plug
• Ask your dealer • Ask your dealer
• Clean or replace • Clean or replace
• Clean or replace • Clean or replace
• Clean • Clean
• Clean and adjust/replace • Clean and adjust/replace
• Adjust • Adjust
• Clean • Clean
• Clean • Clean
plugged plugged
WARNING ▲ DANGER
WARNING ▲ DANGER
ALL CHAIN SAW SERVICE, OTHER THAN ITEMS
ALL CHAIN SAW SERVICE, OTHER THAN ITEMS
LISTED IN THE OPERATOR'S MANUAL SHOULD BE
LISTED IN THE OPERATOR'S MANUAL SHOULD BE
PERFORMED BY COMPETENT SERVICE
PERFORMED BY COMPETENT SERVICE
PERSONNEL.
PERSONNEL.
MONTHLY MONTHLY
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Remedy Remedy
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