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GB - 17
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.
Ensure 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 or 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. Start the unit and run it to operating temperature (about
10 minutes).
2. Cycle the control levers forward and backward two or
three times.
3. For units equipped with a hydraulic deck lift, raise and
lower the deck completely two or three times.
4. Shut OFF engine. Engage parking brake. Remove the
ignition key.
5. Put seat in service position. See SERVICE POSITION
on page 17.
6. Remove any dirt that may be around the cap/dipstick
on the hydraulic reservoir.
7. Remove cap/dipstick.
8. Check hydraulic oil level mark on cap/dipstick.
9. 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 1 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.
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