Operation - Ariens 939001 ST520E Owner's/Operator's Manual

WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
WARNING: To avoid injury to hands and feet,
always disengage clutches, shut off engine,
and wait for all movement to stop before
unclogging or working on snow thrower.
Keep hands and feet away from auger and
impeller.
CONTROLS AND FEATURES
See Figure 6 for all Controls and Features locations.
Traction Drive Clutch - Left Hand Lever
IMPORTANT: Do not "feather" the traction drive clutch
to control speed or run the unit with the traction drive
clutch partially engaged. Continued use with the
traction drive clutch partially engaged will damage the
transmission.
Squeeze the Traction Drive Clutch
Lever against the Handlebar (1) to
2
engage wheel drive for propelling
unit. Forward speed will vary
according to snow depth and
moisture content.
1
Release lever (2) to stop movement.
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NOTE: When traveling to or from the
area to be cleared, press down on the handlebars
enough to raise the front of the unit slightly off the
surface, disengage traction drive clutch and push unit
to new work area.
Attachment Clutch - Right Hand Lever
Squeeze Attachment Clutch Lever
2
against handlebar (1) to engage
attachment. Release both clutch
levers (2) to disengage power and
apply brake to attachment.
1
IMPORTANT: If the belt squeals
when the attachment clutch lever is
engaged, the impeller may be frozen
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in the auger housing. Immediately
release the attachment clutch lever and move the unit
into a heated area to thaw.
NOTE: If belt squeals when impeller turns freely, see
Attachment Clutch/Brake Adjustment on page 16.
Ignition Switch (Push/Pull Safety Key)
Key Switch has two positions:
2
1. "Stop" - pulled out
2. "Run" - pushed in
2
NOTE: DO NOT twist key after it is
1
inserted.
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OPERATION

Primer Bulb
Pushing the primer bulb in adds fuel for
easier engine start. Refer to Starting and
Shut Off on page 12.
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Choke Control Knob
2
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Throttle
The throttle controls the engine speed. To
1
increase or decrease the engine speed,
adjust to:
2
1. Fast (normal or warm starts)
2. Part-Throttle
3
3. Slow (cold weather starts)
4
4. Stop (engine is off)
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Electric Starter (120V electric start models)
The electric starter will start a properly choked and
cranked engine when the starter button is pushed.
Refer to Starting and Shut Off on page 12.
Recoil Starter Handle
When pulled, handle will turn engine over.
IMPORTANT: DO NOT let handle snap back against
starter.
Snow Clean-Out Tool (Figure 7)
WARNING: Hand contact with the rotating
impeller is the most common cause of injury
associated with snow throwers. Never use
your hand to clean out the discharge chute.
GB - 10
1. Choke Closed position: chokes off
air to engine for easier start.
2. Choke Open position: allows for
1
normal operation.
IMPORTANT: Gradually open choke
after engine starts.
Figure 7
1
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