Maintenance
Cooling System
Maintenance
WMdoc072619
3-2
3
3.2
Cooling System
Wash the engine or brush off sawdust and debris every 50 hours of operation. Remove
any dust, dirt or oil. See engine manual for further instructions.
3.3
Air Filter & Pre-Cleaner
WARNING!
Always wear proper and necessary safety equipment
when performing service functions. Proper safety equipment includes
eye protection, breathing protection, hand protection and foot protec-
tion.
Service the pre-cleaner every four hours of operation. Service by gently shaking excess
sawdust and debris from the foam piece.
Clean the air filter (air cleaner element) and pre-cleaner (element wrapper) every eight
hours of operation. See the engine manual for further instructions.
Replace the air filter (cleaner) every 200 hours of operation.
Replace the pre-cleaner (element wrapper) every 2000 hours of operation.
3.4
Fuel Filter
Replace the fuel filter every 100 hours of operation or as required for engine perfor-
mance.
3.5
RPM Adjustments
WARNING!
Remove the blade before performing any engine service.
Failure to do so may result in serious injury.
Check the RPM with a tachometer every 200 hours of operation.
50
4
8
200
2000
100
200
