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
Supply, Pressure, and Return Hydraulics
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
5-51
Assembly, Multi-Spool Control Valve
(Ref. Fig. 5-33) To assembly the control valve,
1. Place valve sections, inlet cover, and outlet cover together in the same
order as they were disassembled.
2. Install three (3) capscrews and nuts. Torque nuts to 180 in-lbs.
Disassembly, Spool Assembly
Fig. 5-34: Spool Assembly
(Ref. Fig. 5-34) The following steps are required to disassemble the spool
assembly.
K1058
# Description
1 Socket Head Capscrew
2 Lockwasher
3 Bearing Washer
4 Positioner Housing
5 Positioner Screw
6 Flatwasher
7Sleeve Stop
8 Internal Spring
9Spring
# Description
10 Stop Collar
11 Spool
12 Square-Cut Seal
13 Valve Housing
14 Square-Cut Seal
15 Bonnet Housing
16 Bearing Washer
17 Lockwasher
18 Socket Head Capscrew
1
2
3
4
5
6
7
8
9
10
11
13
12
14
15
16
17
18