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Gravely Dealers will provide any service which may be
required to keep your unit operating at peak efficiency.
Should engine service be required, it can be obtained
from a Gravely Dealer or the engine manufacturer’s
authorized service center.
SERVICE POSITION
1. Place unit on a flat level surface. ALWAYS stop
engine. Assure unit is secure and will not tip over.
Strap and clamp onto lift if used.
2. Place steering levers in neutral and engage parking
brake.
3. Remove wing knob.
Remove hex nut (992310, 311).
4. Tip seat forward (Figure 6).
5. When service is complete, lower seat and secure
with wing knob or hex nut.
HYDRAULIC FLUID
Check Hydraulic Fluid Level
1. Shut OFF engine. Engage parking brake. Remove
the ignition key.
2. Put seat in service position. See Service Position
on page 16
3. Remove any dirt that may be around the
cap/dipstick on the hydraulic reservoir.
4. Remove cap/dipstick.
5. Check hydraulic oil level mark on cap/dipstick.
6. Add 15W50 Synthetic oil as needed. Do not overfill.
Change Hydraulic Fluid and Filter
Change the hydraulic oil filter and hydraulic oil every 500
hours. Use Mobil 15W50 synthetic oil for best component
life.
1. Clean around dipstick cap and dipstick. Remove
dipstick.
2. Place container under oil filter to catch oil.
3. Remove oil filter.
4. Allow tank to drain.
5. Lubricate rubber gasket on new oil filter with clean
hydraulic oil.
6. Spin new oil filter onto filter housing until it makes
contact. Tighten oil filter another 1/2 turn.
SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.
CAUTION: HOT SURFACES may result in
injury. DO NOT touch engine or drive parts
which are hot from operation. Allow parts to cool
before servicing.
CAUTION: Be sure footing is secure to
accomodate weight shift of seat when rotating it
into service position.
1. Service Position
2. Wing Knob
3. Steering Levers
4. Parking Brake
5. Battery
Figure 6
2
3
4
5
OF3361
1
3
WARNING: HYDRAULIC FLUID can result in
severe burns. Fluid in hydraulic system can
penetrate skin and result in serious injury or
death.
Be sure to stop the engine before doing any
work on hydraulic parts.
Keep body and hands away from pin holes or
nozzles which expel hydraulic fluid when under
pressure. Use paper or cardboard, not hands, to
search for leaks.
Ensure all hydraulic fluid connections are tight
and all hydraulic hoses and lines are in good
condition before applying pressure to system.
FOREIGN FLUID INJECTED INTO BODY can
result in gangrene. Fluid must be surgically
removed within a few hours by a doctor familiar
with this form of injury.
FULL Mark
Operating
Range
OE0380