SO53 3LE
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
Note:
If you use an air hose for drying, blow through both sides of filter.
Note:
Make sure the air filter is correctly replaced before re-assembly. Never run
the engine without the air filter, serious damage could result.
CLEANING THE STARTER UNIT
See Figure 60.
Use a brush to keep the cooling vents of the starter assembly free and clean of debris.
ADJUSTING THE CARBURETTOR
See Figure 61.
Before adjusting the carburettor:
i.
Use a brush to clean the starter cover vents.
ii. Clean the air filter.
iii. 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 chainsaw while adjusting the carburettor.
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”
counter clockwise 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 ENGINE
See Figures 58, 62-64.
Clean the engine fins and flywheel fins with a brush periodically. Dangerous overheating
of the engine may occur due to impurities on the engine.
WARNING
Never run the saw without all the parts, including the clutch cover and starter housing,
securely in place.
Because parts can fracture and pose a danger of thrown objects, leave repairs of the
flywheel and clutch to factory trained authorised service centre personnel.
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