Husqvarna 131R Workshop Manual page 40

3. Put on protective gloves. Use a hot air gun to
increase the temperature of the angle gear to
approximately 110°C - 140°C. Hit the gear housing
against a wooden block. Disassemble the input shaft
assembly (O).
4. Increase the temperature of the gear housing to
approx. 140°C. Disassemble the bearing (T) on the
output shaft. If it is necessary, hit the gear housing
against a wooden block until the bearing falls out.
Disassemble the cogwheel (V) and bearing (X) from
the output shaft (U). If it is necessary to replace the
bearings (R and Q), remove the snap ring (P) from
the input shaft (S).
T
O
V
P
40 - Repair instructions
U
X
S
R
Q
P
8.11.2 To assemble the bevel gear
1. Put the cogwheel (V) on the output shaft (U). Attach
the 2 bearings (T and X). Increase the temperature
of the gear housing to approximately 140°C with a
hot air gun. Put the output shaft into the gear
housing (J). Make sure that the bearings are in their
correct positions. If it is necessary, use a sufficient
punch.
T
V
2. Make sure the output shaft is attached to the gear
housing. Attach the bearings (R and Q) on the input
shaft. Make sure that the snap ring (P) that holds the
ball bearings in position is attached. Make sure that
the gear housing is approximately 110°C.
Q
R
S
U
X
P
675 - 002 - 23.04.2018