Stihl 029, 039 - 4.5 Cylinder

STIHL 029, 039 30
4.5 Cylinder
Top:
Impulse hose
Bottom:
1 = Hose clamp
2 = Manifold
Correct position of ignition lead
in cover
1 = Tank vent
Top:
Removing the engine
Bottom:
Sequence for tightening screws
- Fit mounting screw 1 as far as
stop.
- Coat thread of collar stud 4 with
Loctite - see 12.2.
- Fit collar stud 4 and torque it
down to 30 Nm (22 Ibf.ft).
- Fit mounting screws 2, 3 and 5
and torque them down to 11 Nm
(8 Ibf.ft).
- Tighten down mounting screw 1 to
11 Nm (8 Ibf.ft).
- Push ignition lead into groove
and retainer on cover.
- Push the tank vent into the hole in
the cover.
- Remove the engine - see 4.4.
- Pull the impulse hose off the
nipple on the cylinder.
- Release the hose clamp on the
manifold. Pull the manifold off the
intake port.
- Lift the engine sideways out of
the engine housing.
To replace engine housing - see
11.9.
Assembly is a reversal of the
disassembly sequence.
Note: Pay special attention to the
following points.