Operation; Emergency Stopping; Before Operating Unit; Position Rops - Gravely ZT HD Operator's Manual

OPERATION

WARNING: AVOID INJURY.
Read and understand the
Safety section before
proceeding.
IMPORTANT: All references to left, right, front
or rear are given from the perspective of
operator in operator's position, facing the
direction of forward travel.

EMERGENCY STOPPING

1. Move steering levers to neutral position.
2. Engage parking brake.
3. Push PTO knob down to off position.
4. Turn ignition key to off position and
remove key from ignition.

BEFORE OPERATING UNIT

1. Check fuel level and add fuel if needed.
IMPORTANT: Use fresh unleaded fuel with
an octane rating of at least 87. DO NOT use
E85 blended fuels; the engine is not E20 /
E30 / E85 compatible. The maximum
recommended ethanol content is 10%.
Gravely recommends using a quality fuel
stabilizer in all fuel. See Short-Term Storage
on page 29.
2. Check engine oil level and add oil if
needed. Refer to engine manual.
3. Check condition of air cleaner. Refer to
engine manual.
4. Check function of the Safety Interlock
System by performing the tests in Check
Safety Interlock System on page 21.
Contact your Gravely dealer for repair if
any of the tests fail.
5. Set cutting height. See Figure 17.
a. Depress and hold deck lift pedal in
forward position.
b. Rotate height-of-cut dial to desired
setting.
c. Slowly return deck lift pedal to resting
position.
1. Deck Lift Pedal
2. Height-of-Cut Adjustment System

POSITION ROPS

Models 991192, 991194, 991196, 991230,
991232, 991234
IMPORTANT: Models 991152, 991154,
991156, 991160, 991162, 991164, 991166:
An optional rollover protection structure
(ROPS) is available for this unit. See
Accessories on page 29.
IMPORTANT: Inspect ROPS and seatbelt for
damage and loose or missing hardware.
Raise Center Bar
See Figure 18.
1. Remove hairpins from lock pins and
remove lock pins from hinge plate.
2. Raise center bar and secure with lock
pins and hairpins.
EN - 16
1
2
Figure 17
WARNING: AVOID INJURY.
Seatbelt MUST be worn when
operating with center bar
raised.