Maintenance - Simplicity 1691521 Operator's Manual

Schedule For Normal Care
Care Required
Clean snow and ice from
snowthrower.
Lubricate snowthrower.
Adjust belt tension.
Inspect, adjust and
lubricate drive chain.
WARNING
To avoid serious injury, perform maintenance on
the tractor or snowthrower only when the engine is
stopped, parking brake is set and all moving parts
have stopped. Always remove the ignition key
before beginning maintenance or adjustments to
prevent accidental starting of the engine.
Figure 2. Drive Chain
A. Screws
B. Flange Nut
C. Clamps
Schedule
After each use.
Every 10 hours or at
least once a year.
Every 25 hours or at
least once a year.
Once a year or more
often under frequent
use.
D. Screw
E. Chain Guard
F. Nuts
Inspect, Adjust & Lubricate Drive Chain
See Figure 2.
1. Remove the two nuts (F) and chain guard (E).
2. Check the chain for wear or damage. Replace chain
if worn or damaged.
3. There should be no slack in the chain, and the
sprockets (G and K) should be aligned. The drive
shaft housing (L) should be parallel with the auger
housing. If adjustment is required proceed with steps
4 - 7.
4. Loosen the four screws (A).
5. Pull rearward on the drive shaft housing (L) until all
slack is removed from chain. With drive shaft housing
parallel with auger housing, and sprockets aligned,
retighten the four screws (A). Torque to 40-50 ft. lbs.
6. Spread a coat of grease on the chain, working the
grease into the links.
7. Reinstall the chain guard (E) and two nuts (F).
G. Drive Shaft Sprocket
H. Spacers
I. Nuts
5

Maintenance

J. Chain
K. Auger Sprocket
L. Drive Shaft Housing