Difficult Starting; Starting A Warm Engine; Chain Brake - McCulloch CS 42S Operator's Manual

Before accelerating to full throttle,
pull the front hand guard towards the
front handle. The chain brake is now
unlocked. Your chainsaw is now ready
for use.
a WARNING: The chain must not move when
the engine runs at idle speed. If the chain
moves at idle speed refer to CARBURETTOR
ADJUSTMENT within this manual.
a
a WARNING: Do not attempt to throw or drop-
start the chain saw. Doing so will put the
operator at risk of serious injury due to loss
of control of the chain saw.

STARTING A WARM ENGINE

Make sure the chain brake is locked
before starting.
Pull the blue choke lever to the FULL
CHOKE position. The red ON/STOP
switch will be switched automatically
to the ON position.
Push the blue choke lever to the HALF
CHOKE position.
NOTE: In temperatures above 32°C
completely in.
Pull the starter rope sharply with your
right hand until the engine starts.
Push the blue choke lever completely
in.
Before accelerating to full throttle,
pull the front hand guard towards the
front handle. The chain brake is now
unlocked. Your chainsaw is now ready
for use.
10

DIFFICULT STARTING

has not started after 10 pulls. Flooded engines can
be cleared of excess fuel by pushing the choke lever
following the warm engine starting procedure.
handle many times depending on how badly the
TROUBLESHOOTING TABLE or call customer
support.
STOPPING
To stop the engine push the ON/STOP switch down.
a WARNING! To avoid involuntary start up,
the spark plug cap must always be removed
from the spark plug when the machine is
unsupervised.

CHAIN BRAKE

a WARNING: If the brake band is worn too
thin it may break when the chain brake is
triggered. With a broken brake band, the
chain brake will not stop the chain. The
chain brake should be replaced by an
authorized service dealer if any part is worn
to less than 0.5 mm (0.020 in) thick. Repairs
on a chain brake should be made by an
authorized service dealer.
Take your unit to the place of purchase if
purchased from a servicing dealer, or to the
nearest authorized master service dealer.
designed to stop the chain if kickback occurs.
The inertia-activated chain brake is locked if the front
hand guard is pushed forward, either manually (by
If the brake is already locked, it is unlocked by pulling
the front handguard back toward the front handle as
far as possible.
When cutting with the saw, the chain brake must be
unlocked.
BRAKING FUNCTION CONTROL
NOTE: The chain brake must be checked several
times daily. The engine must be running when
performing this procedure.
This is the only instance when the saw should be
placed on the ground with the engine running.
with your right hand and the front handle with your left
hand. Apply full throttle by fully depressing the throttle
trigger. Activate the chain brake by turning your left
wrist against the hand guard without releasing your
grip around the front handle. The chain should stop
immediately.
CHECKING THE INERTIA ACTIVATING
FUNCTION CONTROL
a WARNING! When performing the following
procedure, the engine must be turned off.
1. Grip the rear handle with your right hand and the