Dolmar PS-350 - Manual (Page 8)

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Reparaturanleitung PS-4600 / PS-5000 8 Repair manual PS-350 / PS-420
1
01 SPROCKET GUARD / CHAIN TENSIONING SYSTEM
Remove the sprocket guard, bar, and chain.
CAUTION: Do not work on the chain brake
unless the spring is detensioned!
Chain tensioner
Carefully take the chain guide cover off the
guide bar bolts.
Unscrew 4 screws, and remove the spike bar
and the cover.
Chain tensioner function
An angled worm drive converts the turns of
the adjustment screw 1 to forward or
backward motion of the tensioning pin.
If necessary, turn adjusting screw 1 clockwise,
until the fastening screw is accessible.
Unscrew the fastening screw and pull the
chain tensioner up and out. Assembly
Grease spindle and worm gear with multi-
purpose grease (944.360.000).