Boom hydraulic circuit (3-section) 5.8.1.2, Boom hydraulic circuit (3-section) – Lull 644B Parts Manual User Manual
Page 401
ITEM
PART NO.
DESCRIPTION
QTY.
ITEM
PART NO.
DESCRIPTION
QTY.
1
P00404
1
Capscrew, Hx., 1/2"-13 × 1 1/2"
2
66347B
1
Quick Coupler (Incl. dust caps & male connectors)
3
P01312
1
Lockwasher, 1/2"
4
P01510
1
Nut, Hx., 1/2"-13
5
P18964
10
Connector, O-Ring
6
37732X
2
Clamp Body, 3/4"
7
37734X
2
Clamp Cover
8
37735X
2
Capscrew, Hx., 5/16"-18 × 1 3/4"
9
66727X
2
Hyd. Hose
10
66726X
2
Hyd. Hose
11
90207463
6
Clamp, Cushion, 3/4"
12
65944A
2
Manifold
13
P27937
4
Plug, O-Ring
14
P01312
4
Lockwasher, 1/2”
15
P00407
4
Capscrew, Hx., 1/2"-13 × 2 1/4"
16
66880B
4
Hyd. Tube, 5/8" O.D.
17
91083217
4
Clamp, Cushion, 5/8"
18
37186X
2
Hyd. Hose
19
66728X
4
Hyd. Hose
20
38132B
1
Hyd. Tube, 3/4" O.D.
21
38133B
1
Hyd. Tube, 3/4" O.D.
22
P27827
1
Cartridge, Counterbalance Valve
REF
P40491
1
Seal Kit for Item 22
23
P30444
1
Cartridge, Counterbalance Valve
REF
P30927
1
Seal Kit for Item 23
24
P17802
2
90° Elbow, O-Ring
25
37189X
2
Hyd. Hose
26
26329A
4
Tube Clamp
27
P01309
4
Lockwasher, 5/16"
28
P01507
4
Nut, Hx., 5/16"-18
29
34816B
1
Cylinder, Boom Extension
(See Page 5.9.1 for Breakdown)
NOTES:
➊ For 644B-42 & 844C-42.
➋ For 1044C-42.
30
➊34835B
1
Cylinder, Front Carriage Tilt
(See Page 5.12.1 for Breakdown)
➋34836B
1
Cylinder, Front Carriage Tilt
(See Page 5.12.2 for Breakdown)
31
P29947
1
Cartridge, Counterbalance Valve
REF
2900770
1
Seal Kit for Item 31
BOOM HYDRAULIC CIRCUIT (3-Section)
5.8.1.2
Rev. 003
1044C-42 S/N 123–
644B-42 S/N 519–
844C-42 S/N 1481 & 1513–
644B
6K
844C
8K
1044C
10K