STIHL 029, 039
77
11.6.12
Control Valve
- Remove the handle housing –
- Clean the cylinder and the area
around the control valve.
- Pull the hose off the nipple on the
control valve.
- Pull the connector out of the hose.
Install in the reverse sequence.
- Remove the handle housing –
- Take out the cover mounting
screws and lift away the cover.
- Clean the cylinder and the area
around the control valve.
- Ease the clip away from both
sides of the cylinder.
- Remove the control valve from
the cylinder.
- Take the O-ring out of the hole in
the cylinder or off the control valve's
stub.
- Pull the hose off the control
valve's nipple.
- Test the control valve –
Top:
Removing the O-ring
Bottom:
1 = Hose
2 = Control valve
Top:
Cover mounting screws
Bottom:
Removing the clip
Top:
Hose on control valve
Bottom:
1 = Connector
2 = Hose
11.6.11
Hose/Connector