JLG 1230ES Operator Manual - Manual (Page 61)

SECTION 4 - MACHINE OPERATION
3121221 – JLG Lift – 4-19
Mechanical Brake Release
(See Figure 4-17.)
1. Chock wheels or secure machine with tow vehicle.
2. At the ground control station power machine down by
pressing the E-Stop switch in.
3. Remove the two cover bolts (1), cover (2), and cover
o-ring seal (3) from the back of drive motor unit.
4. Insert the cover bolts into the two disengage holes in
the brake housing (4), see Item 4 in Figure 4-17.,
Brake - Manual Disengage.
5. Tighten down the cover bolts in the disengage holes
and the brake on that drive motor will disengage.
6. Repeat this procedure on opposite wheel drive. With
both drive motor brakes now disengaged the machine
can be moved manually.
7. After towing is complete, chock wheels and remove
cover bolts from disengage holes.
8. Reinstall cover - before installation check the cover o-
ring seal for damage, replace if necessary.
AFTER THE MACHINE IS TOWED THE DISENGAGE BOLTS MUST BE REMOVED
FROM THE BRAKE DISENGAGE HOLES. THE BRAKES CANNOT BE ENGAGED IF
THE DISENGAGE BOLTS ARE LEFT IN THE DISENGAGE HOLES. THIS WILL
CAUSE THE MACHINE TO ROLL WHEN PARKED ON AN INCLINE.
Figure 4-17. Brake - Manual Disengage.