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Gravely ZT HD 48 Manual

Gravely ZT HD 48
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EN - 19
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 14.
Check Parking Brake
Interlock System
See Parking Brake Interlock System on page 14.
Check Hydraulic Fluid Check hydraulic oil level mark on cap/dipstick. Add
15W-50 synthetic motor oil (p/n 00057100) or
equivalent as needed. Do not overfill. See Check
Hydraulic Fluid Level on page 21.
Check Tires See Specifications on page 33 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 weld or heat a wheel and tire assembly.
Heat can cause an increase in air pressure
resulting in an explosion. Welding can
structurally weaken or deform the wheel.
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.
Clean Unit Clean engine, battery, seat, mower deck, etc. of dirt
and debris. Do not use solvents, hard cleaners, or
abrasives.
IMPORTANT: Do not spray the unit with water,
especially when the unit is warm from operation. Water
can seep into bearings and damage them.
NOTE: Protect painted surfaces with automotive type
wax.
Follow Engine Manual
Maintenance Schedule
Perform scheduled engine maintenance. Refer to
engine manual for detailed instructions.

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Gravely ZT HD 48 Specifications

General IconGeneral
Engine BrandKawasaki
Engine ModelFR691V
Horsepower23 HP
Cutting Width48 inches
Transmission TypeHydro-Gear ZT-3100
Deck Material10-gauge steel
Engine TypeV-Twin
Engine Displacement726cc
Ground Speed Forward8.5 mph
Ground Speed Reverse4 mph
Deck TypeFabricated
Turning RadiusZero-turn
Cutting Height1.5 to 5 inches
Spindle MaterialAluminum
Warranty4 years or 500 hours
Seat TypeHigh-back

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