Assembling The Centrifugal Clutch; Dismantling The Oil Pump And Screen - Husqvarna 445 Workshop Manual
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7.10 entrifugal clutch
1
Insert the clutch springs in the shoes using circlip
pliers.
2
Screw the clutch (anti-clockwise) until it stops.
Now tighten using tool 502 54 16-03 and a suitable
socket wrench or combination spanner. Tightening
torque min. 20 Nm.
.
3
Remove the piston stop. Fit the spark plug, tightening
it to a torque of 20 Nm, then connect the HT lead.
Then refit
•
cylinder cover
•
guide bar
•
chain
•
clutch cover
7.11 Dismantling the oil pump and
screen
1
Empty and clean the oil tank.
Remove the cylinder cover. Release the brake by
moving the front hand guard backward. Undo the
bar nut and remove the clutch cover, bar and chain.
Loosen spark plug cap and remove the spark plug,
fit the piston stop 502 54 15-01. Loosen the clutch
(clockwise) using tool 502 54 16-03 and a suitable
socket wrench or combination spanner.
2
Remove the centrifugal clutch (A). Remove the
clutch drum (B), needle bearing (C) and pump
drive wheel (D).(see figure 1 )
3
Unscrew the chain guide plate. (see figure 18)
4
Unbolt the oil pump from the crankcase and
remove it together with the oil pressure hose. (see
figure 19)
5
The oil pump (E) is not adjustable. (see figure 20)
Cleaning and inspection
•
Clean and inspect all parts carefully. If there are
any cracks or other defects replace the dama-
ged parts with new ones. Always use original
parts.
•
Lubricate all moving parts with chain oil.
refitting
Fig 17
Fig 18
Fig 19
Fig 20
Repair instructions
A
B
C
E
E
D
31
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