Gearbox Unit - Disassembly / Assembly; Crankcase Left Half Disassembly; Gearbox Disassembly; Gearbox Check - Husqvarna TC449 Workshop Manual

Gearbox unit - disassembly / assembly

H01883
H01808
H01809
1 edition (08-2010) _Rev. 11-2010
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ENGINE DISASSEMBLY/REASSEMBLY
Preliminary operations
Engine oil drainage
Head disassembly
Gear lever disassembly
Engine left crankcase cover disassembly
Engine right crankcase cover disassembly
Securing crankshaft at TDC
Starter motor idle gear disengagement
Flywheel disassembly
Clutch unit disassembly

Crankcase left half disassembly

• Remove screws (1, 2, 3).
• Disassemble crankcase left half (4).
Warning
Due to sealant high adhesion, some engine parts could prove hard to disas-
semble. Disengage these parts by gently tapping them with a rubber hammer,
taking care not to damage cooling fins or other crankcase parts.
• Remove gasket (5), and guide sleeves (6).

Gearbox disassembly

• Disassemble the following parts:
- Gearbox output shaft (1)
- Gearbox input shaft (2)
- Gearbox input shaft fork (3)
- Gearbox input shaft guide (4)
- Selector drum (5)
- Gearbox output shaft guide (6)
- Gearbox output shaft fork (7)

Gearbox check

• Transmission shaft check
Check
• Check gearbox bearings (1).
F1.85