Boom hydraulic circuit (2-section) 5.6.1.1, Boom hydraulic circuit (2-section) – Lull 644B Parts Manual User Manual
Page 387
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ITEM
PART NO.
DESCRIPTION
QTY.
ITEM
PART NO.
DESCRIPTION
QTY.
1
➊37859X
2
Hyd. Hose, 1/2"
2
37179X
2
Hyd. Hose, 5/8"
3
91083217
4
Clamp, Cushion
4
38034B
4
Hyd. Tube, 5/8" O.D.
5
P01309
36
Lockwasher, 5/16"
6
P01507
2
Nut, Hx., 5/16"-18
7
26329A
2
Tube Clamp
8
P01402
16
Flatwasher, 1/4"
9
P01308
16
Lockwasher, 1/4"
10
P03194
16
Capscrew, Button Hd. Socket, 1/4"-20 × 1/2"
11
P28526
2
Hose Carrier
REF
37756X
1
Repair Kit, Hose Carrier
REF
36912X
1
Roller Replacement Kit
12
P27394
4
90° Elbow, Bulkhead
13
37600X
2
Hyd. Hose, 1/2" (Replaces P28614)
14
P00202
2
Capscrew, Hx., 3/8"-16 × 3/4"
15
P01310
2
Lockwasher, 3/8"
16
P01404
2
Flatwasher, 3/8"
17
P18949
4
Connector, Bulkhead
18
26326A
1
Bracket, Tube Mount
19
37198X
2
Hyd. Hose, 1/2"
20
P27827
1
Cartridge, Counterbalance Valve
REF
P40491
1
Seal Kit fort Item 20
21
P29947
1
Cartridge, Counterbalance Valve
REF
2900770
1
Seal Kit fort Item 21
22
P23901
2
Connector, O-Ring
23
37190X
2
Hyd. Hose, 5/8"
24
37168X
2
Hyd. Hose, 3/4"
25
37549X
2
Hyd. Hose, 5/8" (Replaces 37199X)
26
34832B
1
Cylinder, Boom Extension
(See Page 5.7.1.1 for Breakdown)
27
30728A
1
Hose Tray, Rear - L.H.
28
30727A
1
Hose Tray, Rear - R.H.
29
30725B
2
Hose Tray, Front
30
P00101
34
Capscrew, Hx., 5/16"-18 × 5/8"
31
P01403
34
Flatwasher, 5/16"
NOTES:
➊ For S/N 101–1107 Use 37180X.
➋ For S/N 101–1107 Use P29348.
32
35483A
1
Slide Plate, Boom Extension Cylinder
33
P03114
3
Screw, Flat Hd. Socket, 1/2"-13 × 3/4"
34
34835B
1
Cylinder, Front Carriage Tilt
(See Page 5.12.1 for Breakdown)
35
P29947
1
Cartridge, Counterbalance Valve
REF
2900770
1
Seal Kit for Item 35
36
P15406
2
Connector, O-Ring
37
➋66347B
1
Quick Coupler (Incl. dust caps & male connectors)
38
P00404
1
Capscrew, Hx., 1/2"-13 × 1 1/2"
39
P01312
1
Lockwasher, 1/2"
40
P01510
1
Nut, Hx., 1/2"-13
BOOM HYDRAULIC CIRCUIT (2-Section)
5.6.1.1
644B-37 S/N 354–
Rev. 002
644B
6K
844C
8K
1044C
10K