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WALKER MANUFACTURING COMPANY
July 2006
SERVICE INSTRUCTIONS
Rotary Broom Drive Chain
Lubricate the drive chain every 25 hours. A light
penetrating oil or special purpose chain oil is recom-
mended. Lubricate the drive chain as follows:
1. Remove the two (2) bolts fastening the chain guard
cover to the broom housing and remove the cover.
Remove Chain Guard Cover
2. Apply oil to the drive chain.
3. Reinstall the chain guard cover by reversing the re-
moval procedures.
Two-Stage Snowblower Gearbox
The gearbox is permanently lubricated (oil filled) and
sealed requiring no scheduled lubrication. However,
the gearbox oil seal(s) should be checked every 25
hours for indication of an oil leak. If an oil leak is noted,
replace the oil seal(s) and relubricate the gear-box as
follows:
1. Remove the gearbox following the procedure de-
scribed in REPLACING/REPAIRING the Two-
Stage Snowblower Gearbox in this section.
Snowblower Lubricant Plug Location
2. Clean the area around the lubricant plug located on
the front of the gearbox.
3. Remove the lubricant plug on the gearbox.
4. If the lubricant is flowing out of the plug hole, the
gearbox is full. Reinsert the plug. If no lubricant
flows out, add SAE E.P. (Extreme Pressure) 80W-
90 lubricant into the gearbox through the plug hole
until it starts to flow out.
5. Wipe the threads of the gearbox plug before rein-
stalling.
6. Torque plug to 24 in-lb (2.7 N·m).
NOTE: In case the gearbox is completely drained
of oil, approximately 5 fl. oz. (15 cl) of oil is required
to refill the gearbox.
Chain Guard BoltsChain Guard Cover
Drive Chain
Lubricant
Plug
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