Adjust Parking Brake Interlock - Gravely Pro-Turn 148 Operator's Manual

ADJUST PARKING BRAKE
INTERLOCK
WARNING: AVOID INJURY.
This adjustment requires
operating the engine. Use
extreme care to avoid contact
with moving parts and hot
surfaces. Be sure unit is secure
and will not move.
If the parking brake interferes with the neutral
position of the steering levers and the
transaxles, the brake interlock may need
adjustment.
Check Parking Brake Interlock
1. Place unit in service position, but DO
NOT engage parking brake. Chock or
block wheels instead. See Service
Position on page 23.
2. Make sure steering levers are in neutral
position.
3. Watch the steering levers and engage
parking brake.
• If one or both steering levers move from
the neutral position, set parking brake
neutral. See Set Parking Brake Neutral
on page 32.
• If there is little to no steering lever
movement, advance to step 4.
4. Start the engine and move the throttle
lever to fast position.
• If the unit creeps or the transaxles make
a whining sound, set parking brake
neutral. See Set Parking Brake Neutral
on page 32.
• If the unit doesn't move and the
transaxles are quiet, no adjustment is
needed.
5. Stop engine, return unit to operating
position and adjust steering levers. See
Adjust Steering Levers on page 33.
Set Parking Brake Neutral
1. Adjust transaxles. See Adjust Transaxles
on page 31.
2. Stop engine, remove key and wait for
moving parts to stop and for hot parts to
cool.
3. Release parking brake.
4. Loosen hardware retaining eccentric
spacer on the affected side(s).
5. Engage parking brake and rotate
eccentric spacer so it aligns in brake
interlock. See Figure 39.
1
2
1. Eccentric Spacer
2. Brake Interlock
6. Tighten eccentric spacer hardware.
7. Stop engine, return unit to operating
position and adjust steering levers. See
Adjust Steering Levers on page 33.
EN - 32
Figure 39