Camshaft Removal; Bearing Mount Disassembly; Camshaft Check; Camshaft Assembly - Husqvarna TC 449 2011 I.E. Workshop Manual

H01747
H01841
H01841
Workshop Manual Ed. 03-2012
ENGINE DISASSEMBLY/REASSEMBLY
TC 449 2011/2012 I.E.
TE 449 - 511 2011/2012 I.E.
TXC 449 - 511 2011/2012 I.E.
SMR 449 2011 I.E.
SMR 511 2011/2012 I.E.

CAMSHAFT REMOVAL

Bearing mount disassembly

• Remove screws (1, 2).
• Disassemble bearing mount (3).
• Remove guide sleeves (4).
• Take special care to camshaft position: both shaft gears reference marks (ar-
rows) shall be aligned with sealing surface.
• Remove intake (2) and exhaust (3) camshaft stop washers (1), and release
shafts with a suitable tool.
• Remove timing chain (4) at first from intake shaft (2) sprocket, then from
exhaust shaft (3), and lay it in a safe position, to prevent it from falling to the
ground.
• Remove intake camshaft (2).
• Remove exhaust camshaft (3).

Camshaft check

Check
• Check camshafts and bearings for wear and damages.
Result: Camshaft with worn or damaged bearing.
Action:
• Replace camshaft.

Camshaft assembly

• Make sure that crankshaft is well secured at TDC.
• Lubricate all bearing surfaces.
Consumables
Molykote D Paste
• Take special care to camshaft position: both shaft gears reference marks (ar-
rows) shall be aligned with sealing surface.
• Fit exhaust camshaft (3) taking special care that timing chain (4) is well ten-
sioned between camshaft and crankshaft.
• Fit intake camshaft (2) taking special care that timing chain (4) is well ten-
sioned.
• Fit camshafts (2) and (3) stop washers (1).
F1.16
Clear solid lubricant for metal part assembling
and settling