Shindaiwa DH2200ST, Operator'S Manual, Page: 21 / 124

19
Maintenance and care
Carburettor adjustment
Every unit is test run at the factory and the carburettor is fine
tuned for maximum performance.
Before adjusting carburettor, clean or replace air filter, start en-
gine and run several minutes to bring it to operating temperature.
1. Idle Speed Adjustment.
Start engine and turn idle speed adjustment screw (T) clock-
wise until the blades begin to move, then turn the screw (T)
anticlockwise until the blades stop moving. Turn screw (T)
anticlockwise an additional 1/2 turn.
2. Accelerate to full throttle for 2 to 3 seconds to clear excess
fuel from engine then return to idle. Accelerate to full throttle
to check for smooth transition from idle to full throttle.
Cooling system
1. Remove bolts, and then remove the silencer cover.
2. Remove dust and dirt from between fins.
3. Reinstall the silencer cover.
4. Remove debris around the cooling air intake.
WARNING
When carburettor adjustment is completed, cutter blade should not move at idle, otherwise serious personal injury may
result.
CAUTION
When starting, idle speed adjuster (T) should be adjusted not to move the cutter blade.
When there is some trouble with the carburettor, contact your dealer.
T: Idle speed adjuster
1. Silencer cover 2. Bolts
IMPORTANT
Do not remove the front handle.