Boom hydraulic circuit (4-section) 5.10.1, Boom hydraulic circuit (4-section) – Lull 644B Parts Manual User Manual
Page 411

ITEM
PART NO.
DESCRIPTION
QTY.
ITEM
PART NO.
DESCRIPTION
QTY.
1
P29348
1
Quick Coupler (Incl. dust caps & male connectors)
2
P00404
1
Capscrew, Hx., 1/2"-13 × 1 1/2"
3
P01312
1
Lockwasher, 1/2"
4
P01510
1
Nut, Hx., 1/2"-13
5
P18964
2
Connector, O-Ring
6
37289X
2
Hyd. Hose, 1/2"
7
37290X
2
Hyd. Hose, 1/2"
8
91083217
16
Clamp, Cushion
9
38747B
4
Hyd. Tube, 5/8" O.D.
10
37292X
1
Hyd. Hose, 1/2"
11
37291X
1
Hyd. Hose, 1/2"
12
38757B
1
Hyd. Tube, 5/8" O.D.
13
38756B
1
Hyd. Tube, 5/8" O.D.
14
37294X
1
Hyd. Hose, 1/2"
15
37293X
1
Hyd. Hose, 1/2"
16
P01507
10
Nut, Hx., 5/16"-18
17
P01309
10
Lockwasher, 5/16"
18
38930A
10
Tube Clamp
19
P01506
6
Nut, Hx., 1/4"-20
20
P01308
6
Lockwasher, 1/4"
21
39865B
6
Half Clamp, Plastic
22
P02136
4
Screw, Slotted Rd. Hd., 1/4"-20 x 1 3/4"
23
P02131
2
Screw, Slotted Rd. Hd., 1/4"-20 x 7/8"
24
P30444
1
Cartridge, Counterbalance Valve
REF
P30927
1
Seal Kit for Item 24
25
38752B
1
Hyd. Tube, 5/8" O.D.
26
38753B
1
Hyd. Tube, 5/8" O.D.
27
38751B
1
Hyd. Tube, 5/8" O.D.
28
38750B
1
Hyd. Tube, 5/8" O.D.
29
P27827
1
Cartridge, Counterbalance Valve
REF
P40491
1
Seal Kit for Item 29
30
90207463
10
Clamp, Cushion
31
38133B
1
Hyd. Tube, 3/4" O.D.
32
38132B
1
Hyd. Tube, 3/4" O.D.
33
37522X
1
Hyd. Hose, 1/2"
34
37521X
1
Hyd. Hose, 1/2"
35
37186X
2
Hyd. Hose, 1/2"
36
37189X
2
Hyd. Hose, 3/4"
37
P17802
2
90° Elbow, O-Ring
38
34843B
1
Cylinder, Boom Extension (Replaces 34816B)
(See Page 5.11.1 for Breakdown)
39
P18961
8
90° Elbow, Union
40
34820B
1
Cylinder, Front Carriage Tilt
(See Page 5.12.2 for Breakdown)
41
P28052
1
Counterbalance Valve
42
p29947
1
Cartridge, Counterbalance Valve
REF
P40484
1
Seal Kit for Items 41 and 42
43
P00112
3
Capscrew, Hx., 5/16"-18 × 3"
BOOM HYDRAULIC CIRCUIT (4-Section)
5.10.1
1044C-54 S/N 101–106
Rev. 002
644B
6K
844C
8K
1044C
10K