Troubleshooting Guide - Stihl Ms 162 Notice D'emploi

22 Troubleshooting Guide

► Afterwards, remove the file gauge and file the
leading edge of the depth gauge parallel to the
service mark. When doing this, be careful not
to further lower the highest point of the depth
gauge.
► Lay the file gauge on the chain to check the
height of the file gauge. The highest point of
22 Troubleshooting Guide
22.1 Chain saw
Many performance issues can be resolved with a few simple steps. When troubleshooting, STIHL rec‐
ommends that you start with the following measures:
► Clean the air filter,
► Clean or replace the spark plug,
► Adjust the saw's idle speed,
► If these measures do not resolve the issue, continue to the steps described below.
Always shut off the engine before carrying out any inspection, cleaning or maintenance.
Condition
The engine does not
start.
The engine idles
erratically.
The engine stops
while idling.
Acceleration is poor.
The engine does not
reach maximum
speed.
The chain does not
rotate when throttle is
opened.
During sawing, the
wood smokes or
smells burnt.
0458-200-8221-A
20.3.
20.4.
22.2.
Possible Cause
There is insufficient fuel in the fuel
tank.
The engine is flooded.
The carburetor is iced up.
The carburetor is iced up.
The carburetor is iced up.
The chain is tensioned too tight.
The muffler is dirty.
The chain brake is engaged.
The chain is tensioned too tight.
The guide bar sprocket is blocked.
The chain is dull or improperly sharp‐
ened.
Working technique is improper or the
saw is being mis-used.
Insufficient bar and chain oil.
the depth gauge must be flush with the top of
the file gauge.
► After sharpening, clean the chain thoroughly,
removing any filings or grinding dust.
► Oil the chain thoroughly.
Remedy
► Refuel the chain saw,
► Clear the combustion chamber,
22.3.
► Allow the engine to warm up gradu‐
ally to a temperature of about 50 °F
(10 °C).
► Allow the engine to warm up gradu‐
ally to a temperature of about 50 °F
(10 °C).
► Allow the engine to warm up gradu‐
ally to a temperature of about 50 °F
(10 °C).
► Properly tension the chain,
► Have the muffler cleaned by an
authorized STIHL servicing dealer.
► Disengage the chain brake,
► Properly tension the chain,
► Spray the guide bar sprocket with
resin remover.
► Properly sharpen the chain,
► Obtain instruction on proper working
technique.
► Have the chain lubrication mecha‐
nism checked by an authorized
STIHL servicing dealer.
English
13.2.
10.3.
12.2.
10.3.
21.5.
43