Two-Stage Snowblower Reduction Sprocket - Walker MT Detailed Instructions

Master Link
Replace Reduction Chain
6. Adjust the chain tension.
MENTS of Two-Stage Snowblower Reduction
Chain Tension in this section.
7. Reinstall the reduction box cover by reversing the
removal procedures.

Two-Stage Snowblower Reduction Sprocket

A sprocket should be replaced when the teeth be-
come asymmetric (when the front of a tooth is a differ-
ent shape than the back side of the tooth).
Symmetric (Acceptable)
Asymmetric (Replace)
Reduction Sprocket Wear
NOTE: Generally, a small sprocket wears faster than a
large sprocket.
SERVICE INSTRUCTIONS
July 2006
Plate
Open End
of Clip
Closed End
of Clip
Refer to ADJUST-
WALKER MANUFACTURING COMPANY
Page: 4-38
1. Remove the reduction box cover and reduction
chain. Refer to REPLACING/REPAIRING of Two-
Stage Snowblower Reduction Chain in this sec-
tion.
2. Remove roll pin.
3. Loosen the set screws that fasten the sprocket to
the fan assembly by applying heat to the thread
sealant used on these screws during assembly.
4. Slide the sprocket off the fan assembly. Use a pull-
er if necessary.
5. Position the new sprocket on the fan assembly.
Install roll pin through sprocket in drive shaft.
®
Apply Loctite Threadlocker to set screws before
tightening.
Set
Screw
Set Screw
Locking Collar
Remove and Replace Sprocket
5. Install chain and adjust the chain tension. Refer to
ADJUSTMENTS of Two-Stage Snowblower Re-
duction Chain Tension in this section.
6. Lubricate the reduction chain. Refer to LUBRICA-
TION of Two-Stage Snowblower Reduction
Chain in the Lubrication Section.
7. Reinstall the reduction box cover by reversing the
removal procedures.
Roll Pin
Drive Shaft
Sprocket