Gravely 99108 Compact Pro 34, Operator'S Manual

Page: 17 / 36

GB - 17
Proper maintenance can prolong the life of
unit. The following charts show the
recommended service schedule.
More frequent service may be required due to
working conditions (heavy loads, high
ambient temperatures, dusty conditions, or
airborne debris).
See the maintenance instructions in the
Engine Manual for additional information.
MAINTENANCE SCHEDULE
WARNING: AVOID INJURY. Read
and understand entire Safety
section before proceeding.
Period Service Task
Each
Use
Check Safety Interlock WARNING: Safety interlock system failure
and improper operation of unit can result in
death or serious injury. Test this system each
time the unit is operated. If this system does
not function as described, do not operate until
repairs are made. See
Safety Interlock
System on page 12.
Check Parking Brake
Interlock System See Parking Brake Interlock System on page 12.
Check Hydraulic Fluid Check hydraulic oil level mark on cap/dipstick. Add
15W50 synthetic oil as needed. Do not overfill. See
Check Hydraulic Fluid Level on page 19.
Check Tires See Specifications on page 30 for correct tire pressure.
Follow Engine Manual
Maintenance Schedule Perform scheduled engine maintenance. Refer to
engine manual for detailed instructions.
Every
25
Hours
Check Mower Blades Check mower blades for wear. Sharpen or replace as
needed.
See Mower Blades on page 19.
Every
50
Hours
Lubricate Unit Oil all pivot points and pin connections. Grease lube
fittings. See
Lubricate Unit on page 21.
Check Brake Gap Adjust gap if necessary. See Adjusting the Parking
Brake on page 23.
Every
100
Hours
Clean Battery Keep battery and its terminals clean. See Clean 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 Belts Replace worn or deteriorated belts. See Remove PTO
Belt on page 25,
Mower Blades
on page 19 and
Replacing the Hydro Pump Belt on page 25.
Every
400
Hours
Change Hydraulic Fluid
and Filter* Drain hydraulic fluid tank, replace hydraulic oil filter,
refill system. See
Hydraulic Fluid on page 19.
*Change hydraulic fluid and filter after the first 75 hours
of operation and then every 400 hours.