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WALKER MANUFACTURING COMPANY
July 2006
SERVICE INSTRUCTIONS
10. Recheck the sprocket alignment with the chain in-
stalled.
Check Sprocket Alignment with Chain Installed
11. Lubricate the drive chain. Refer to LUBRICATION
of Drive Chain in the Lubrication Section.
12. Reinstall the auger guard and chain guard by re-
versing the removal procedures.
Auger Sprocket Replacement
1. Remove the chain guard cover, both auger guards,
and the drive chain. Refer to REPLACING/RE-
PAIRING of Drive Chain in this section.
2. Place blocks under the ends of the auger to sup-
port it when the bolts are removed from the ends of
the auger shaft.
3. Remove the three (3) bolts that fasten the auger
shaft key plate to the drive chain side of the snow-
blower housing.
4. Remove the two (2) bolts that fasten the auger
shaft at each side of the snowblower housing.
5. Remove the auger from the snowblower housing.
There is a spacer washer on each end of the auger
shaft.
6. Remove the six (6) bolts that fasten the sprocket to
the auger and remove the sprocket.
7. Install the new sprocket.
8. Reinstall and tighten the sprocket bolts.
9. Make sure the spacer washers are on the ends of
the auger shaft.
10. Place the auger back in the snowblower housing.
11. Reinstall the bolts in both ends of the snowblower
housing and auger shaft, but do not tighten.
12. Slide the auger shaft key plate into position on the
end of the auger shaft between the spacer washer
and the snowblower housing.
13. Rotate the auger shaft as necessary to align the
auger shaft key plate with the three (3) mounting
bolt holes.
14. Reinstall and tighten the three (3) mounting bolts
for the auger shaft key plate.
15. Make sure that both spacer washers are on the
auger shaft - not between the end of the auger
shaft and the snowblower housing.
16. Retighten the bolts on both sides of the snowblow-
er housing and auger shaft.
17. Reinstall and adjust the drive chain by reversing
the removal procedures. Refer to ADJUSTMENTS
of Drive Chain Tension in this section.
18. Check sprocket alignment after the drive chain is
installed. If the sprockets are not aligned:
a. Loosen the set screw in the drive shaft
sprocket.
b. Align the drive shaft sprocket with the auger
sprocket.
c. Tighten the set screw in the drive shaft
sprocket.
Improper
Alignment
Proper
Alignment
Drive Shaft Sprocket
Auger Sprocket