SO53 3LE
Customer Helpline 0845 600 5526 Monday to Friday 09.00 to 17.00
www.JCBdiy.com
Engine does not
reach full speed and/
or emits excessive
smoke.
Lubricant / fuel mixture
incorrect.
Use fresh fuel and the correct
2-cycle lubricant mix ratio.
Air filter dirty.
Clean air filter.
Spark arrester screen
dirty.
Clean spark arrestor screen.
Carburettor requires
“
H
”
(High jet) adjustment.
Contact an authorised service
centre for carburettor adjustment.
Engine starts,
runs and
accelerates but
will not idle.
Chain turns at
idle.
Carburettor requires
adjustment to idle
speed.
Turn idle speed screw
“
T
”
clockwise to increase speed.
Turn idle speed screw
“
T
”
counter
clockwise to decrease speed.
Air leak in the intake
system.
Contact an authorised service
centre for a rebuild kit.
Bar and chain
running hot and
smoking.
Chain lubricant tank
empty.
Lubricant tank should be filled
every time fuel tank is filled.
Chain tension is too
tight.
Tension chain.
Oiler is not functioning.
Run at half throttle 30 to 45
seconds.
Stop saw and check for lubricant
dripping from guide bar.
If lubricant is present, the chain
may be dull or bar may be
damaged.
If no lubricant is present, contact
an authorised service centre.
Engine starts and
runs, but chain is
not rotating.
Chain brake is
engaged.
Release chain brake.
Chain tension is too
tight.
Tension chain.
Guide bar and chain
assembled incorrectly.
Replace the guide bar and chain.
Guide bar and/or chain
are damaged.
Inspect guide bar and chain for
damage.
Drive sprocket teeth
damaged.
Contact an authorised service
centre for drive sprocket
replacement.
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11/12/2010 6:44:19 PM
11/12/2010 6:44:19 PM
