Brake Servicing; Deadman Switch Adjustment; Deadman Switch Replacement - Big Joe PDBB-20-T12 Operation, Maintenance, Repair Parts List

6-1. DEADMAN SWITCH ADJUSTMENT

If the electrical brake does not engage when the steer-
ing arm is raised or lowered into the shaded area in
Figure 6-1, proceed as follows:
1. Disconnect battery connections.
2. Remove pivot cap cover (4,
3. Loosen nuts (17, Figure
switch (12) so that switch clicks when the control
arm is raised and lowered to the shaded areas
shown in Figure 6-1.
4. Tighten nuts (17).
5. Reinstall pivot cap cover (4,
6. Reconnect battery.
7. Check truck for proper operation before returning
to service.
8. If necessary, adjust the electric brake as
described in paragraph
R6203
901357
SECTION 6

BRAKE SERVICING

Figure 6-3).
6-2) and adjust deadman
Figure 6-3).
6-3.1.
Figure 6-1 Brake Engage/Disengage

6-2. DEADMAN SWITCH REPLACEMENT

1. Disconnect battery connections.
2. Remove pivot cap cover (4,
3. Remove one snap ring (5) and drive out pin (26)
until it clears bracket (19,
4. Remove screw (14), lock washer (15) and washer
(18) securing bracket (19).
5. Pull bracket (19) up, disconnect the wires and
remove the brackets and switch (12).
6. Remove nuts (13), screws (10) and switch (12).
7. Secure the new switch to bracket (11) with screws
(10) and nuts (13).
8. Reconnect the wires to switch (12), position in the
pivot tube and secure bracket (19) with screw
(14), lock washer (15) and washer (18).
9. Drive pin (26, Figure
secure with snap ring (5).
10. Adjust the deadman switch as describe in para-
graph 6-1.
Figure 6-3).
Figure 6-2).
6-3) back in place and
6-1