Boom hydraulic circuit (4-section) 5.10.2, Boom hydraulic circuit (4-section) – Lull 644B Parts Manual User Manual
Page 421

ITEM
PART NO.
DESCRIPTION
QTY.
ITEM
PART NO.
DESCRIPTION
QTY.
1
P18964
2
Connector, O-Ring
2
37289X
2
Hyd. Hose, 1/2"
3
91083217
16
Clamp, Cushion
4
38747B
2
Hyd. Tube, 5/8" O.D.
5
37547X
1
Hyd. Hose, 1/2"
6
37548X
1
Hyd. Hose, 1/2"
7
P21632
4
90° Elbow, Swivel
8
38757B
1
Hyd. Tube, 5/8" O.D.
9
38756B
1
Hyd. Tube, 5/8" O.D.
10
37545X
1
Hyd. Hose, 1/2"
11
37546X
1
Hyd. Hose, 1/2"
12
P01507
5
Nut, Hx., 5/16"-18
13
P01309
5
Lockwasher, 5/16"
14
38930A
5
Tube Clamp
15
P40074
2
Tee-Clip 5/8" - 3/4"
16
P03038
2
Screw, Flathead, #10-24 × 1"
17
P30444
1
Cartridge, Counterbalance Valve
REF
P30927
1
Seal Kit for Item 17
18
38751B
1
Hyd. Tube, 5/8" O.D.
19
38750B
1
Hyd. Tube, 5/8" O.D.
20
P27827
1
Cartridge, Counterbalance Valve
REF
P40491
1
Seal Kit for Item 20
21
90207463
6
Clamp, Cushion
22
38133B
1
Hyd. Tube, 3/4" O.D.
23
38132B
1
Hyd. Tube, 3/4" O.D.
24
37522X
1
Hyd. Hose, 1/2"
25
37521X
1
Hyd. Hose, 1/2"
26
37189X
2
Hyd. Hose, 3/4"
27
P17802
2
90° Elbow, O-Ring
28
34843B
1
Cylinder, Boom Extension (Replaces 34816B)
(See Page 5.11.1 for Breakdown)
29
P18961
8
90° Elbow, Union
30
34820B
1
Cylinder, Front Carriage Tilt
(See Page 5.12.2 for Breakdown)
31
P29947
1
Cartridge, Counterbalance Valve
REF
P40484
1
Seal Kit for Item 31
BOOM HYDRAULIC CIRCUIT (4-Section)
5.10.2
10K-54 S/N 101–102
Rev. 002
644B
6K
844C
8K
1044C
10K