Lull 644B Parts Manual - Manual (Page 579)

ITEM PART NO. DESCRIPTION QTY. ITEM PART NO. DESCRIPTION QTY.
1 37450X 2 Cartridge, Counterbalance Valve
REF 2900770 - Seal Kit for Item 1
2 34827B 2 Cylinder, Outrigger
(See Page 7.23.1 for Breakdown)
3 68441A 2 Pressure Switch, Differential (Replaces 39321A)
4 P21299 4 45° Elbow, O-Ring
5 P00202 2 Capscrew, Hx., 3/8"- 16 × 3/4"
6 P01310 2 Lockwasher, 3/8"
7 37368X 2 Clamp, Hose
8 P21207 1 Hyd. Hose, 1/2"
9 37530X 1 Hyd. Hose, 1/2"
10 37529X 1 Hyd. Hose, 1/2"
11 37533X 1 Hyd. Hose, 1/2"
12 P21173 4 90° Elbow, O-Ring
13 37491X 2 Valve Body, Single Counterbalance
14 P29947 2 Cartridge, Counterbalance Valve
15 P18934 2 Tee, Swivel Branch
16 P15123 2 Connector, O-Ring
17 P00108 4 Capscrew, Hx., 5/16"- 18 × 2"
18 39640B 1 Bracket, Counterbalance Valve
19 P01309 4 Lockwasher, 5/16"
20 P01507 4 Nut, Hx., 5/16"-18
21 P29013 4 90° Elbow, O-Ring (Long)
22 P24633 1 Hyd. Hose, 1/2"
23 37218× 1 Hyd. Hose, 1/4"
24 37532X 1 Hyd. Hose, 1/2"
25 37531X 1 Hyd. Hose, 1/2"
26 P21579 1 90°, Elbow O-Ring
27 P15406 4 Connector, O-Ring
28 P21579 2 90° Elbow, Swivel
29 37528X 1 Hyd. Hose, 1/2"
30 P19414 1 Check Valve
31 38655A 1 Boom Extend Lockout Valve
(See Page 7.24.1 for Breakdown)
32 P29279 1 Hyd. Hose, 3/8"
33 P20979 1 Tee, O-Ring
34 P27688 1 Hyd. Hose, 1/2"
35 P18958 1 Tee, O-Ring
36 P32663 1 Bolt Kit
37 P31579 1 Outrigger Control Valve (Dual)
(See Page 7.21.1 for Breakdown)
38 P18936 4 Connector, O-Ring
39 P27399 4 Tee, Swivel Run
40 37858X 4 Hyd. Hose, 1/4"
41 P01507 2 Nut, Hx., 5/16"-18
42 P01403 2 Flatwasher, 5/16"
43 P01309 1 Lockwasher, 5/16"
44 P00102 2 Capscrew, Hx., 5/16"- 18 × 3/4"
45 P00104 1 Capscrew, Hx., 5/16"- 18 × 1"
46 P00303 1 Capscrew, Hx., 7/16"- 14 × 1 1/4"
47 66222B 1 Mount Plate, Valve
48 P05003 1 Lock Nut 7/16" - 14
49 66220B 1 Valve, Outrigger Over-Ride
(See Page 7.22.1 for Breakdown)
50 P19248 2 90° Elbow, O-Ring
51 P33166 2 90° Elbow, O-Ring (Long)
52 P29155 2 Hyd. Hose, 1/4"
53 37285X 2 Hyd. Hose, 1/4"
OUTRIGGER HYDRAULICS CIRCUIT 7.20.1
1044C-54 S/N 101–132
Rev. 004
644B
6K
844C
8K
1044C
10K
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