GB–20
1.
Pull wire off spark plug and make sure wire does
not contact plug accidentally (Fig. 16).
2.
Block up the rear of the snowthrower chassis and
remove the left wheel.
3.
Clean area around oil drain plug. Next, slide oil
drain pan below drain extension; then remove oil
drain plug (Fig. 22).
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 14. 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.
Pull wire off spark plug and make sure it does
not contact the plug accidentally.
3.
Clean area around pipe plug so dirt is removed.
4.
Remove pipe plug from gear box (Fig. 23).
5.
Check level of grease in gear box. Grease must
be visible through opening.
6.
If level of grease is low, add MAG-1 grease (a
low temperature, high pressure grease, Toro part
no. 505–101) to the gear box until point of
overflow.
Note:
Only use low temperature, high
pressure grease in gear box.
7.
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.
Pull wire off spark plug and make sure it does
not contact the plug accidentally (Fig. 16).
2.
Check adjustment per steps 4–6 of Install
Auger/Impeller Drive Control Linkage, page 12.
Make adjustments if required.
3.
Check tension of belt by operating the
auger/impeller. If belt still slips, replace the
belt. USE ONLY GENUINE TORO
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.
1.
Pull wire off spark plug and make sure it does
not contact the plug accidentally (Fig. 16).
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).
4.
Install new belt around large auger/impeller
pulley (Fig. 25). Next, loop belt over engine
pulley, making sure that belt is on inside of idler
pulley and belt guide (Fig. 25).
5.
Adjust auger/impeller drive linkage. Refer to
steps 4–6 of Install Auger/Impeller Drive
Control Linkage, page 12.
6.
Reinstall belt cover with (2) screws.
Replacing Traction Drive Belt
When traction drive belt becomes worn, oil–soaked
or otherwise damaged, belt replacement is required.
