Stihl 021 Service & Repair Manual

Online version - not for reprint
-Removethechainsprocket
cover.
•
Pullthecoveroutoftheengine
housing.
•
Unscrewthenut(1)fromthe
adjustingscrew(2).
•
Taketheadjustingscrewoutof
thecover(3).
Reversetheabovesequenceto
installthechaintensioner.
-Removethechainsprocket
cover.
•
Takeoutthescrew.
-Pullthecompletetensioner
assemblyoutoftheengine
housing.
•
Takethethrustpad(1)offthe
adjustingscrew(2).
•
Rotatethespurgear(3)untilthe
adjustingscrewcomesoutofthe
tensionerslide(4).
•
Pullthespurgearoutofthe
cover.
•
Pullthetensionerslideoffthe
cover.
-Taketheadjustingscrewoutof
thecover.
-Inspecttheteethonthespur
gearandadjustingscrew.
Replacebothpartsifnecessary.
Reversetheabovesequenceto
installthechaintensioner.
-Coatteethofadjustingscrew
andspurgearwithgrease,
see11.2,beforerefitting.
4.5 FrontChainTensioner 4.6 SideChainTensioner
VA
135RA043
VA
135RA044
VA
135RA046
143RA052
VA
1
2
3
VA
135RA045
1 4 2 3
VA
135RA047
12 021,023,025

Stihl 021 Specifications

General

Brand	Stihl
Model	021
Category	Chainsaw
Language	English