Assembling The Centrifugal Clutch; Dismantling The Oil Pump And Screen - Husqvarna RedMax GZ550 Workshop Manual

7.9 Assembling the centrifugal clutch

1
Fit the clutch springs onto the shoes using circlip
pliers as outlined in figure 18.
2
Screw in the clutch (anti-clockwise) until it stops.
Then tighten the clutch using tool 502 54 16-01
and a suitable socket wrench or combination span-
ner. Torque 20 Nm.
3
Remove the piston stop and fit the spark plug with
a tightening torque of 15 Nm and the spark plug
hat.
Then fit:
• cylinder cover
• bar
• chain
• clutch cover

7.10 Dismantling the oil pump and screen

1
Empty and clean the chain oil tank.
2
Dismantle the centrifugal clutch as outlined in "Dis-
mantling the centrifugal clutch".
3
Dismantle the clutch drum (A), drive sprocket (B),
needle bearing (C) and pump drive wheel (D). See
figure 19.
Note! Drive sprocket (B) only applies to model 465
Rancher II.
4
Undo the screws and remove the chain guide
plate. See figure 20.
5
Loosen the screw holding the oil pump. Remove
the oil pump with oil pressure hose. See figure 20.
Cleaning and inspection
• Clean and check all parts thoroughly. Parts
must be replaced if cracked or showing signs
of other defects. Always use original spare
parts.
• Lubricate all moving parts with chain oil.
Fig 18
D
C
Fig 19
Fig 20
Fig 21
Repair Instructions
B
A
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