16
4. After all oil is drained, reinstall oil drain plug and left
wheel.
5. Position snowthrower on a level surface. Next, fill
crankcase with oil: refer to Fill Crankcase With Oil,
page 10. Wipe up any oil that may have spilled.
Auger Gear Box Grease
The auger gear box grease level must be checked at time
of snowthrower assembly, after every 10 hours of use and
upon removal from annual storage. To check the auger
gear box grease level:
1. Position snowthrower on a level surface.
2. Clean area around pipe plug so dirt is removed.
3. Remove pipe plug from gear box (Fig. 23).
m–2843
Figure 23
1.
Pipe plug
4. Check level of grease in gear box. Grease must be
visible through opening.
5. If level of grease is low, add MAG-1 grease (a low
temperature, high pressure grease) to the gear box until
point of overflow.
Note: Only use low temperature, high pressure grease
in gear box.
6. Reinstall pipe plug in gear box.
Adjusting Auger/Impeller Drive
Belt
If auger/impeller belt slips, resulting in decreased
snowthrowing performance, either an adjustment or a new
belt is required.
1. Check adjustment per steps 4–6 of Install Auger Drive
Control Linkage, page 8. Make adjustments if
required.
2. Check tension of belt by operating the auger. If belt
still slips, replace the belt. USE ONLY GENUINE
LAWN-BOY REPLACEMENT PARTS.
Replacing Auger/Impeller Drive
Belt
When auger/impeller drive belt (Fig. 24) becomes worn,
oil-soaked or otherwise damaged, belt replacement is
required.
661
Figure 24
1.
Belt cover
2.
Screw (2)
1. Pull wire off spark plug and make sure it does not
contact the plug accidentally.
2. Remove (2) screws holding belt cover in place and set
cover aside (Fig. 24).
3. Remove auger/impeller drive belt from engine pulley
and large auger/impeller pulley (Fig. 25).
