Operation - Gravely PRO-24 HW Owner's/Operator's Manual

WARNING: Improper operation
can lead to injury. Learn what the
controls do and how they work.
Thoroughly read and understand
entire Operator Manual.
CAUTION: DO NOT operate
mower unless side discharge
deflector is installed. Thrown
objects may cause damage or
injury.
CAUTION: If clog or obstruction
prevents grass flow, release
engine/blade control and
disconnect spark plug wire before
attempting to clear away any
clogs.
CONTROLS AND FEATURES
See Figure 16 for locations.
Operator Presence Control
CAUTION: Check function of
Engine/Blade Control regularly.
Improper function of control could
cause injury.
The Operator Presence Control (OPC) lever
must be held against the handlebar to start
the engine and blade.
Releasing the OPC lever grounds engine
spark and applies engine flywheel brake,
stopping the engine and blade within 3
seconds. Check this feature frequently. If
feature fails to operate, disconnect spark plug
wire and adjust or have it repaired before
using unit.

OPERATION

N U R
F F O
RUN RUN
OFF OFF
Recoil Starter Handle
When pulled, recoil starter handle will turn
engine over.
Engine Throttle
Wheel Drive Control
(911701)
The lower, right-side lever must be manually
held against the handlebar to engage wheel
drive. Wheel drive will disengage when this
lever is released. This lever allows for quick
engagement and disengagement of wheel
drive when maneuvering in tight areas or
around obstacles.
NOTE: Engine must be running for wheel
drive to propel unit.
Wheel drive speed is preset and cannot be
varied during mower operation. The drive
speed may be changed by adjusting the
variable speed (VS) pulley configuration. See
Wheel Drive Speed Adjustment on page 24.
GB - 15
Push throttle forward to
increase engine speed.
Pull throttle backward to
decrease engine speed.