Stihl BT 131, Service Manual

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BT 131 20
12.1 Tools, Servicing Aids
–
Pliers (DIN 5256-C19) – 0811 641 8380
–
Installing sleeve (5) – 1115 893 4600
–
Press arbor – 1117 893 7200
–
Hot air blower
12.2 Disassembling the Clutch Housing
N
Preparations,
@
3.1.
N
Remove handlebar together with control handle,
@
5.2.
N
Remove the powerhead,
@
7.2.
N
Remove clutch housing together with gearbox,
@
9.2.
N
Remove clutch housing from the gearbox,
@
9.4.
N
Remove the clutch drum,
@
10.3.
N
Remove the auger brake,
@
11.5.
N
Remove the circlip (5) with pliers DIN 5256-C19 –
0811 641 8380.
N
Heat the clutch housing (1) in bearing seat area to
about 120°C (250°F).
N
Use press arbor 1117 893 7200 to remove the ball
bearings (3 and 4).
N
Heat the clutch housing (1) in area of ball bearing (2)
to about 120°C (250°F).
N
Carefully knock out the ball bearing (2).
12.3 Installing the Clutch Drum
N
Heat the clutch housing (1) in area of bearing seats to
about 120°C (250°F).
N
Use installing sleeve 1115 893 4600 to fit the ball
bearing (2).
N
Press home closed ball bearing (3) with press arbor
4119 893 7200.
N
Use press arbor 4119 893 7200 to install the ball
bearing (4).
N
Fit circlip (5) with pliers DIN 5256-C19 0811 641 8380
so that it is seated in the groove in the crankcase (1).
N
Install the auger brake,
@
11.11.
N
Install the clutch drum,
@
10.4.
N
Fit clutch housing on the gearbox,
@
9.5.
N
Install clutch housing together with gearbox,
@
9.3.
N
Install the powerhead,
@
7.2.
N
Install handlebar together with control handle,
@
5.7.
12 Clutch Housing
2
1
3
4
5
0000-GXX-2685-A0