For Best Performance; Maintenance Schedule - Gravely pro-stance 36 994131 Operator's Manual

FOR BEST PERFORMANCE

• Cut grass when it is dry.
• Keep mower blades sharp.
• Keep mower deck properly leveled per
factory standards.
• Do not set height of cut too low. For
very tall grass, mow twice.
• Do not travel too fast.
• Mow with engine set at full throttle.
• When mulching, only remove 1/3 of
grass length per cutting. Do not cut
more than 2.5 cm (1") at any one time.
• Discharge clippings into areas already
cut.
• Vary cutting pattern with each mowing.
• Do not allow grass or debris to collect
inside of mower deck. Clean after
each use.
Period Service
Check Safety Interlock
Check Parking Brake
Interlock System
Check Hydraulic Fluid
Each
Check Tires
Use

MAINTENANCE SCHEDULE

Proper maintenance can prolong the life of
unit. The following charts show the
recommended service schedule. More
frequent service may be required due to
extreme working conditions (heavy loads,
high ambient temperatures, dusty conditions,
or airborne debris).
See the maintenance instructions in the
engine manual for additional information.
Task
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 14.
See Parking Brake Interlock System on page 14.
Check hydraulic oil level mark on expansion tank. Add
15W-50 synthetic motor oil (Gravely p/n 00057100) or
equivalent as needed. Do not overfill. See Check
Hydraulic Fluid Level on page 21.
See Specifications on page 38 for correct tire
pressure.
CAUTION: Avoid injury! Explosive
separation of tire and rim parts is possible
when they are serviced incorrectly:
• Do not attempt to mount a tire without the
proper equipment and experience to perform
the job.
• Do not inflate the tires above the
recommended pressure.
• Do not stand in front or over the tire assembly
when inflating. Use a clip-on chuck and
extension hose long enough to allow you to
stand to one side.
EN - 18
WARNING: AVOID INJURY.
Read and understand entire
Safety section before proceeding.