36
english
HT 70, HT 75
HT 70
: Remove the chain sprocket cover,
chain and guide bar.
: Use a screwdriver to remove the E-
clip (1).
: Pull the washer (2) and sprocket (3)
off the gear shaft.
: Clean the stub of the gear shaft and
lubricate with STIHL grease – see
"Special Accessories".
: Fit the new chain sprocket on the
gear shaft.
: Fit the washer and E-clip on the
gear shaft.
HT 75
The chain sprocket is driven through a
friction clutch. It may only be replaced by
an authorized STIHL servicing dealer.
Replacing Chain Sprocket
HT 70
1
2
3
386BA014 KN