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T
RANSMISSION
Transmission Oil
CAUTION
Keep hands, feet, hair and clothing away from rotating
parts.
CAUTION
Proper oil level is essential for dynamic braking.
IMPORTANT: To prevent severe damage to transmission
maintain proper oil level.
NOTE: Type 5W-30 or equivalent detergent type motor oil
meeting requirements of American Petroleum Institute
(A.P.I.) Service Classification SE should be used in
hydrostatic system for normal operations. Have your
Ariens Dealer change oil to SAE 30 if ambient temperature
exceeds 80°F and tractor is worked heavily (such as
plowing, tilling or when lift is continuously used to
capacity).
Hydrostatic transmission, power steering, differential and
hydraulic lift systems all operate from a common
reservoir which is the rear axle housing.
Checking Transmission Oil
Oil level should be checked monthly or every twenty-five
(25) hours of operation, whichever comes first.
4
1. Breather
2. Filler Plug
Figure 10
IMPORTANT: prevent dirt and foreign material from
entering system when checking, adding or changing oil.
To check:
1. Position tractor on a flat level surface. Position
hydraulic lift in its UP (raised) position to fully extend
left cylinder.
2. Position Speed Selector in neutral and set brake with
engine running at 1/3 throttle.
3. Remove filler plug. Oil level should be at the top of
filler elbow.
4. Use a small funnel to add oil and bring oil level to top
5/00
1
2
3
3. Oil Level
4. Oil Filter
OT1160
Ariens
of filler elbow, replace and tighten filler plug.
Transmission Oil Filter
Change transmission Oil Filter every 500 operating hours
or seasonally whichever comes first. It is not necessary
to change transmission oil.
Position tractor on a flat level surface.
Before changing filter, place Speed Selector in neutral,
turn Ignition OFF, set Parking Brake and remove key.
Place a container under filter to catch oil spillage as filter
is removed. Raise Rear Deck. Use an oil filter removal
tool to unscrew filter and discard old filter.
Fill new filter with fresh clean same type oil used in
transmission to saturate element.
NOTE: Some oil may spill out of filter as it is rotated from
vertical to horizontal position as you are installing it. Keep
container in place to catch spilled oil.
Lubricate gasket with oil and spin filter on threaded
adapter to gasket contact. Hand tighten additional 1/2-to
3/4 turn. DO NOT over tighten.
Prime the transmission.
IMPORTANT: Transmission must be primed before
operation to prevent internal transmission damage.
Transmission Priming
See Figure 11.
Prime transmission by removing implement plug, spring
and cone. Pour one pint of oil in port. Replace cone,
spring and tighten plug.
Remove transmission filler plug and start engine. Run
engine and add fresh clean oil to bring oil level to top of
filler elbow. Replace and tighten filler plug.
Check for oil leaks at filter and plugs.
1. Implement Plug
2. Spring
3. Cone
®
Grand Sierra
CAUTION
Figure 11
1
2
3
OT1170
13
GB -
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