Chainsaw User Manual
Page 30 
MAINTENANCE
ADJUSTING THE CARBURETOR
See Figures 65 - 67.
Before adjusting the carburetor:
Use a brush or compressed air to clean the starter cover 
vents.
Clean the air filter. Refer to Cleaning the Air Filter in the 
Maintenance section of this manual. 
Allow the engine to warm up prior to adjustment of engine 
idle speed.
WARNING:
Weather conditions and altitude may affect carburetion. 
Do not allow bystanders close to the chain saw while 
adjusting the carburetor.
Idle Speed Adjustment —The idle speed adjustment controls 
how much the throttle valve stays open when the throttle 
trigger is released. To adjust:
Turn  idle  speed  screw  “T” clockwise  to  increase idle 
speed.
Turn idle speed screw “T” counterclockwise to decrease 
idle speed.
WARNING:
THE SAW CHAIN SHOULD NEVER TURN AT IDLE. 
Serious personal injury may result from the saw chain 
turning at idle.
CLEANING THE STARTER UNIT
See Figure 66.
Use a brush or compressed air to keep the cooling vents of 
the starter assembly free and clean of debris.
Fig. 67
Fig. 66
Fig. 65
ST
O
P
AIR FILTER
STARTER COVER 
VENTS
STOP
IDLE SPEED 
SCREW “T”










