Operators Manual
Table Of Contents
- Contents
- 1. Introduction
- 2. Safety Precautions
- 3. Specifications
- 4. Troubleshooting
- 5. Cutting Attachment
- 6. Clutch
- 7. Chain Brake
- 8. Engine
- 9. Ignition System
- 10. Rewind Starter
- 11. Servicing the AV System
- 12. Master Control Lever
- 13. Chain Lubrication
- 14. Fuel System
- 15. Special Servicing Tools
- 16. Servicing Aids
27MS 171, MS 181, MS 211
7.6 Chain Tensioner
For machines with quick chain
tensioner see b 5
– Remove the chain sprocket
cover, bar and chain, b 5
– Troubleshooting, b 4.2
: Turn the spur gear (2) clockwise
until the tensioner slide (1) butts
against the right-hand end and
the screw (arrow) is visible.
: Remove the screw (arrow).
2
1
533RA055 TG533RA056 TG
: Remove the spur gear (1) and
tensioner slide (2).
: Inspect the cover (1), spur gear
assembly (2), tensioner slide (3)
and thrust pad (4) and replace if
necessary.
– Clean all disassembled parts,
b 16
– Lubricate the chain tensioner
with STIHL multipurpose grease,
b 16
– Install in the reverse sequence.
1
533RA057 TG
2
42
1 3
2
533RA058 TG
7.7 Bar Mounting Studs
– Remove the chain sprocket
cover, bar and chain, b 5
: Push stud puller 5910 893 0501
(1) over the collar stud (2) as far
as it will go. Unscrew the stud.
: Unscrew collar stud (3).
: Before installing, coat threads
(arrows) of collar studs with
Loctite, b 16
– Fit the collar studs and tighten
them down firmly.
– Tightening torques, b 3.5
– Reassemble all other parts in the
reverse sequence.
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1
533RA003 TG533RA004 TG