GB - 20
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
IMPORTANT: Place unit on a flat level surface. ALWAYS
shut off engine, set parking brake, and remove ignition key.
Ensure unit is secure and will not tip over. When a lift is
used, strap and clamp unit to the lift.
1. Place steering levers in neutral position and engage
parking brake.
2. Unlatch the hood latches.
3. Using the hood frame handle, slowly lift the hood up until
the hood cable is taunt and is supporting the weight of
the hood.
Every
100
Hours
Clean Battery
Keep battery and battery terminals clean (see Cleaning the
Battery on page 21).
Check Fasteners
Check mower blade mounting hardware and all other fasteners.
Replace missing or damaged fasteners. Tighten all nuts and
bolts to their correct torque value.
Check All Belts
Replace worn or deteriorated belts.
• Check mower drive belt. See MOWER DRIVE BELT
REMOVAL on page 26 for belt location.
• Check PTO belt. See PTO BELT REMOVAL on page 25 for
belt location.
• Check transmission belt. See TRANSMISSION BELT
REMOVAL (992111, 113, 115, 117, 124, 127, 128, 129,
130, 131, 132, 133, 134, 135, 139, 145) on page 26 for belt
location.
• Check radiator fan belt. Refer to Engine Manual (992121,
123, 125, 126, 136, 137, 138).
Every
400
Hours
Grease Front Axle Caster Pivots
Repack front axle caster pivots (see LUBRICATING UNIT on
page 21).
Every
500
Hours
Change Hydraulic Oil and Filter
See Changing Hydraulic Oil and Filter on page 29.
Interval
Task
Action
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.
1. Hood
2. Hood Cable
3. Hood Frame Handle
4. Hood Latches
5. Steering Levers
Figure 8
3
4
1
5
Unit in the Service Position
