Stihl MS 881 User Manual

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0000-GXX-1218-A0
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► Use a STIHL filing gauge (2) to check the
height of the depth gauges (1). The STIHL fil‐
ing gauge must match the chain pitch.
► If a depth gauge (1) projects from the filing
gauge (2): Lower the depth gauge (1), 16.3.
0000-GXX-1372-A0
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2
3
4
► Make sure the service marks (1 to 4) on the
cutters are visible.
► If one of the service marks is not visible on a
cutter: Do not use your chainsaw and contact
your STIHL servicing dealer for assistance.
► Use a STIHL filing gauge to check that a filing
angle of 30° has been maintained on all cut‐
ters. The STIHL filing gauge must match the
chain pitch.
► If a filing angle of 30° has not been main‐
tained: Resharpen the saw chain.
► If you have any queries: Contact your STIHL
servicing dealer for assistance.
10.4 Testing the Chain Brake
► Shut off the engine and engage the chain
brake.
WARNING
■ The chain's cutters are very sharp. There is a
risk of cut injuries.
► Wear work gloves made of durable material.
► Try to pull the chain along the guide bar by
hand.
If the chain cannot be pulled along the bar by
hand, the chain brake is functioning.
► If the chain can be pulled along the bar by
hand: Do not use your chainsaw and contact
your STIHL servicing dealer for assistance.
The chain brake is defective.
10.5 Checking the Controls
Throttle trigger lockout and throttle trigger
► Shut off the engine and engage the chain
brake.
► Attempt to pull the trigger without depressing
the lockout lever.
► If the trigger can be pulled: Do not use your
chainsaw and contact your STIHL servicing
dealer for assistance.
There is a malfunction in the throttle trigger
lockout.
► Press down the throttle trigger lockout and
hold it there.
► Pull the throttle trigger and release it again.
► If the throttle trigger is stiff or does not spring
back to its idle position: Do not use your chain‐
saw and contact your STIHL servicing dealer
for assistance.
The throttle trigger is defective.
Stopping the engine
► Start the engine.
►
Move the Master Control lever to position
.
The engine stops and the Master Control lever
springs back to position
.
► If the engine does not stop:
► Move the Master Control lever to posi‐
tion
.
The engine stops.
► Do not use your chainsaw and contact your
STIHL servicing dealer for assistance.
The Master Control lever is defective.
10.6 Checking Chain Lubrication
► Start the engine and disengage the chain
brake.
► Hold the guide bar over a light surface.
► Open the throttle.
Chain oil is thrown off the chain and is visible
on the light surface. Chain lubrication is oper‐
ating properly.
11 Operating the Saw
11.1 Setting to winter mode
The carburetor may ice up if the engine is oper‐
ated at temperatures below +10 °C. The shutter
must be set to the winter mode so that the carbu‐
retor is additionally heated by warm air from
around the engine.
11 Operating the Saw English
0458-890-8321-B. VA0.A21. 17

Stihl MS 881 Specifications

General

Idle speed	2800 RPM
Motor type	2-stroke motor
Chain pitch	1/2.47 \
Blade length	900 mm
Product color	Black, Grey, Orange
Motor speed (max)	8500 RPM
Oil tank capacity	0.7 L
Fuel tank capacity	1.3 L
Engine displacement	121.6 cm³
Kickback protection	Yes
Engine power	8.7 hp
Power source	Gasoline
Sound power level	118 dB
Vibration emission	8.9 m/s²
Sound pressure level	106 dB

Weight and Dimensions

Weight	9800 g