Lull 6K Service Manual - Manual (Page 605)

Brakes
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 9-31
4. Remove the brake pressure switch from the reducer bushing (Item 3).
Discard pressure switch.
Models with Mid-Inlet Hydraulics
6K-37 (S/N 318–)
6K-42 (S/N 120–)
8K-42 (S/N 221–)
10K-42 (S/N 107–)
10K-54 (S/N 104–)
644B-37 (S/N 591, 667–)
644B-42 (S/N 208–)
844C-42 (S/N 622–)
1044C-42 (S/N 117–)
1044C-54 (S/N 155–)
Fig. 9-18: Park Brake Pressure Switch - Models with Mid-Inlet Hydraulics
(Ref. Fig. 9-18) For models with mid-inlet hydraulics, the park brake
pressure switch is located on the park brake cylinder. This switch is
normally closed and is set to open at 100 psi.
1. Follow preparation procedures as outlined in Section 3 and in
Section 5 of this manual.
CAUTION: To avoid potential injury, be sure to park the vehicle on a level
surface, lower the boom to the ground, shut off the engine,
and
block the wheels before servicing the park brake.
2. Release the park brake.
3. Tag and disconnect the wiring harness connectors (Item 2) from the
connectors on the brake pressure switch (Item 1).
4. Remove the brake pressure switch from the park brake. Discard
pressure switch.
# Description
1 Park Brake Pressure Switch
# Description
2 Intermediate Wire Harness
1
V
1
105
2