Stihl 020 T User Manual

STIHL 020 T 45
9.2
V
ent Valve
• Take out the screws (1).
• Remove the cover (2).
• Blow valve clear with
compressed air (from outside).
• Use a 5 mm (0.2") drift to careful-
ly drive the vent valve out of the
crankcase from inside the tank.
• Use a 7 mm (0.3") drift to careful-
ly push home the valve until it is
recessed about 1 mm (0.04") be-
low the housing face.
• Fit the bumper strip.
• Fit the cover.
• Fit the chain sprocket - see 3.3.
• Fit the oil tank filler cap.
• Pull out the upper bumper strip.
A valve is installed in the tank wall to
keep internal tank pressure equal to
atmospheric pressure.
Cleaning the valve
• Unscrew the oil tank filler cap.
• Drain the oil tank.
• Remove the chain sprocket –
see 3.3.
• Flush out the oil tank.
• Refit the cover.
• Fit the chain sprocket - see 3.3.
• Fit the oil tank filler cap.
Replacing vent valve
• Unscrew the oil tank filler cap.
• Remove the chain sprocket –
see 3.3.
• Take out the screws.
• Remove the cover.
• Place vent valve in position with
its smaller bore facing outwards.

Stihl 020 T Specifications

General

Brand	Stihl
Model	020 T
Category	Chainsaw
Language	English