Lull 6K Service Manual - Manual (Page 607)

Brakes
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K 9-33
Valve Removal, Park Brake
Fig. 9-19: Park Brake Assembly
1. Follow preparation procedures as outlined in Section 3 and in
Section 5 of this manual.
2. Block the wheels and release the park brake.
3. Install a brake pressure diagnostic port test gauge to the hose into the
brake diagnostic port.
4. While watching test gauge, press brake pedal numerous times until
pressure gauge reads 0 psi. Remove test gauge and cap diagnostic
port.
5. To avoid possible contamination of hydraulic system, clean the park
brake valve and connecting hoses.
# Description
1 Capscrew
2 Lockwasher
3 Instrument Panel
4 Park Brake Valve
5 Elbow
6 Hydraulic Hose
7 Elbow
# Description
8 Hydraulic Hose to Pressure Switch
9 Hydraulic Hose to Control Manifold
10 Elbow
11 Hydraulic Hose
12 Check Valve
13 Connector
14 Hydraulic Hose
V
1077
1
2
14
13
12
4
5
6
11
7
7
8
9
10
3