Service Manual User guide
Table Of Contents
- 10709790_B_644B,6K,844C,8K,1044C,10K_Lull_Service_Mnl
- Quick Reference
- Revision Record
- Table Of Contents
- List Of Figures
- List Of Tables
- Section 1 Safety
- Section 2 Identification & Specifications
- Section 3 General Maintenance
- Section 4 Reference Diagrams
- Section 5 Supply, Pressure & Return Hydraulics
- Section 6 Boom & Transfer
- Section 7 Frame Tilt & Oscillation
- Section 8 Transmission
- Section 9 Brakes
- Section 10 Outriggers
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
5Elbow
6 Hydraulic Hose
7Elbow
# 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
V1077
1
2
14
13
12
4
5
6
11
7
7
8
9
10
3