Flange Nuts; Auger Blades; Maintenance; Draining Gasoline - Toro 521 Operator's Manual

flange nuts securing both skids to the auger side
plates (Fig. 18). Skids will now support the
auger blades and scraper above the ground.
For Gravel Surfaces
For gravel or crushed rock surfaces, adjust the skids
to prevent picking up rocks.
1. Pull wire off spark plug and make sure wire does
not contact plug accidentally.
2. Loosen the (4) flange nuts securing both skids to
auger side plates (Fig. 18). Next, slide skids
down as far as possible so auger will be
supported as far from the level surface as skid
adjustment allows; then tighten flange nuts.

Maintenance

POTENTIAL HAZARD
If you leave the wire on the spark plug,
someone could start the engine.
WHAT CAN HAPPEN
Accidental starting of engine could
seriously injure you or other bystanders.
HOW TO AVOID THE HAZARD
Pull wire off spark plug and remove key
from switch before you do any
maintenance. Also push wire aside so it
does not accidentally contact spark plug.

Draining Gasoline

1. Close fuel shut–off valve located under fuel tank
(Fig. 20).
14
POTENTIAL HAZARD
Gasoline is highly flammable.
WHAT CAN HAPPEN
Gasoline can be ignited and cause serious
personal injury.
HOW TO AVOID THE HAZARD
Drain gasoline outdoors.
Drain gasoline from a cold engine only.
Wipe up any gasoline that may have
spilled.
Do not drain gasoline near any open flame
or where gasoline fumes may be ignited by
a spark.
DO NOT SMOKE a cigar, cigarette or pipe
when handling gasoline.
1. Place a clean drain pan under shut–off valve.
2. Loosen hose clamp securing fuel line to valve
and slide line off valve (Fig. 20).
3. Open valve by rotating valve to the right. This
allows fuel to flow into drain pan.
4. Reinstall fuel line and secure with hose clamp.

Lubricating Snowthrower

Lubricate moving parts of the snowthrower after
every 15 hours of operation.
1. Pull wire off spark plug and make sure wire does
not contact plug accidentally.
2. Drain gasoline from fuel tank; refer to Draining
Gasoline, page 14.
3. Tip snowthrower forward onto auger housing
and block it so it cannot fall. Now, remove four
screws holding bottom cover in place and
remove cover (Fig. 21).