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Part No. 830542 Form No. F021302G
0.125 (3.3mm)
0.06 (1.5mm)
ENGAGED DRIVE POSITON: WIRE BELT
GUIDES SHOULD CLEAR BELT BY 0.06" - 0.125"
(1.5mm - 3.3mm)
Page 15 of 16
Fig. 11
MAINTENANCE continued
17
CHAIN ADJUSTMENTS (see figure 9)
1. Remove guards.
2. Inspect chain and sprockets for wear, lubrication and tension. Replace if badly worn or damaged.
CHAIN TENSION AND ALIGNMENT (see figure 9)
3.Install new chain, locating keeper clip of chain connecting link on inboard side of chain.
4. Reinstall bearings onto axle and assemble bearing mounting screws. Leave screws only partially tightened.
5. Push bearings outward against each rear wheel, fully spreading wheels to both ends of axle.
6. With bearings pressed fully outward against wheels, keeping axle square with engine base, align and tension chain as shown
below and slightly tighten front bearing screws first. Then slightly tighten rear bearings. (Note: Tightening front bearing screws first,
helps keep chain tight.)
7. Recheck chain alignment, tension and axle squareness. If ok, fully tighten front and then rear bearing screws. Repeat adjust-
ment steps if necessary.
8. Check chain tension and roll wheels to be sure there are no excessively tight areas in the chain. Readjust if necessary. A
slightly loose chain is better than an over tightened one.
9. Reinstall chain guard and differential guard.
10. Reinstall spark plug wire.
Fig. 10
IDLER PULLEY
IN NEUTRAL
POSITION
PULLEY
TURNS
FREELY
NEUTRAL POSITION
TRANSMISSION
PULLEY
IDLER PULLEY
IN DRIVE
POSITION
BELT WIRE
BELT
GUIDES
0.125 (3.3mm)
0.06 (1.5mm)
Belt Adjustment: As V-belt wears, adjustments may be required. Adjust by tightening or by loosening clutch cable
nut as required. When replacing the belt, the impeller must be removed. See instructions on page 14. See parts list
for impeller bolt torque specifications. See figure 10 & 11 for proper belt tension adjustment. If cable cannot be
adjusted to provide proper belt tension then belt must be replaced. DO NOT OVER ADJUST.
Chain Lubrication: With machine not running, oil chain using general S.A.E. 30 weight oil every 25 hours or as
needed. Chain oiling hole is located in rear axle cover. Note: Be sure that entire length of chain is properly oiled.
Oiling only a few positions in the chain rotation will not properly oil the chain.
17.1
17. 2
Follow these hourly
maintenance intervals.
Maintenance Schedule
More frequent service is required for extremely dusty conditions.
Maintenance Operation
Every
Use
Every 50
hours
Every 25
hours
Every 5 hrs
or (Daily)
Clean Debris Bag
Check bag strap tightness
Check for excessive vibration
Grease wheel zerks
Inspect for damaged parts
Inspect for loose parts
Engine (See Engine
Manual)
Check belt adjustment (p.15)
Lubricate Drive Chain
Oil control pivot points
Check tire pressure (p. 15)