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Maintenance
Service Interval Chart
Service Operation
Auger gearbox–check oil
Discharge chute–check and adjust
Skids–adjust as required
Scraper blade–check\replace
POTENTIAL HAZARD
If you leave the key in the ignition switch, someone could start the engine.
WHAT CAN HAPPEN
Accidental starting of the engine could seriously injure you or other bystanders.
HOW TO AVOID THE HAZARD
Remove the key from the ignition switch and pull the wire(s) off the spark plug(s) before you
do any maintenance. Also push the wire(s) aside so it does not accidentally contact the spark
plug(s).
Checking the Auger Gear Box
Oil
Check level of oil in auger gear box every 50 hours.
1. With the snowthrower lowered and on a level surface,
remove the pipe plug from the auger gear box (Fig. 6)
by placing the open end of a 3/8" drive socket
extension over the plug and using a 3/8" open end
wrench on the square end of the extension.
2. Check the level of oil in the gear box. The oil must be
at the point of overflowing in the filler opening.
3. If the oil level is low, add SAE 90 EP GL-4
transmission oil to the gear box.
4. Install the pipe plug in the gear box.
Figure 6
1. Pipe plug
Initial
25
Use
Hours
X
X
CAUTION
Checking/Adjusting the
Discharge Chute
Check the operation of the discharge chute every 25 hours
to ensure that the chute rotates smoothly when the chute
control crank is turned. If it does not rotate smoothly,
adjust the worm gear as follows:
1. Loosen the worm bracket mounting screws (Fig. 7),
firmly pushing the worm gear against the teeth in the
retaining ring.
m–2362
1. Worm bracket
10
50
100
200
Hours
Hours
Hours
X
X
Figure 7
2. Worm gear
Storage
Service
X
X
X
X
m–2359
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