Husqvarna HS 139A Workshop Manual page 35

4. Install the oil ring (C) , the second ring (B) and the
top ring (A), with the clearance 120° from each other
(D).
F
E
a) Make sure that the mark on the top ring (A) is
turned up.
5. Make sure that the connecting rod can move freely
in the piston.
6.10.6 To assemble the crankcase
1. Install the camshaft.
2. Install the piston in the cylinder. Make sure that the
triangle mark on the piston head is in the direction of
the carburetor side.
3. Install the crankshaft in the crankcase.
1425 - 001 - 03.06.2020
4. Align the mark on the camshaft sprocket with the
A
B
C
120 ○
D
5. Install the connecting rod as shown in the
G
6. Install the connecting rod bolt. Align the marks on
7. Put the top half of the crankshaft on top of the lower
mark on the crankshaft.
illustration.
the connecting rods to the lower cap.
half of the crankshaft.
Repair instructions- 35