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

Frame Tilt and Oscillation
7-36
Service Manual — Models 644B, 6K, 844C, 8K, 1044C, 10K
Overhaul
Oscillation Control Block
Fig. 7-22: Oscillation Control Block (Exploded View)
1
2
3
17
9
18
19
20
21
22
23
24
25
26
27
26
28
29
30
32
31
33
# Description
1 Plug, SAE #6
2Orifice Plug
3 Check Valve
4 Swivel Fitting
5 Elbow, Adjustable O-Ring
6 Elbow w/ Orifice, O-Ring
7Orifice Plug
8 Plug, SAE #2
9 Backup Ring
10 O-Ring
11 Backup Ring
12 O-Ring
13 O-Ring
14 Solenoid Valve
15 Solenoid Coil
16 Nut
17 Block Body
# Description
18 O-Ring
19 Plug, SAE #4
20 Plug, SAE #10
21 Check Valve Cartridge
22 O-Ring
23 O-Ring
24 Backup Ring
25 Pilot Piston
26 Backup Ring
27 O-Ring
28 Pressure Reducing Valve Car-
tridge
29 O-Ring
30 Backup Ring
31 O-Ring
32 Backup Ring
33 O-Ring
K1029
4
5
10
11
14
15
16
11
9
12
13
8
6
7
18