Disassembly/Reassembly Of The Gearbox (5 Speed) (Tc) - Husqvarna TC449 Workshop Manual

ENGINE DISASSEMBLY/REASSEMBLY
Result: Bearings do not move properly or they have increased clearance.
Action:
Replace primary shaft (removed shaft) bearings
Replace output shaft (removed shaft) bearings
• Replace gearbox bearings.
Check
• Check shaft grooves (2).
Result: Damaged or discoloured grooves.
Action:
• Replace engagement gear.
Check
• Check coupling teeth (3).
Result: Coupling teeth damaged or worn.
Action:
• Replace gear.
Check
• Check if teeth sides (4) show pitting or wear signs.
Result: Teeth sides worn or pitted.
Action:
• Replace gear.

Disassembly/Reassembly of the gearbox (5 Speed) (TC)

Caution
During operation, gear wheel sets slide one towards the other. If just one cou-
pling gear is replaced, the load bearing capacity on gears may become signifi-
cantly worse.
Replace gear wheels together with the coupled wheels, only.
Caution
Reinstall the input shaft and output shaft as indicated in the figure, paying at-
tention not to damage the roller cages, the washers and snap rings.
• Upon reassembly, always use new snap rings.
• Lubricate bearing, shaft and gears.
Consumables
Molykote D Paste
F1.86
Clear solid lubricant for metal part assem-
bling and settling
1 edition (08-2010) _Rev. 11-2010
st