Middle boom assembly (3-section) 4.5.1.2, Middle boom assembly (3-section) – Lull 644B Parts Manual User Manual
Page 311

ITEM
PART NO.
DESCRIPTION
QTY.
ITEM
PART NO.
DESCRIPTION
QTY.
1
➊P03236
-
Capscrew, Button Hd. Socket, 1/2"-20 × 3/4"
➊P03237
18
Capscrew, Button Hd. Socket, 1/2"-20 × 1"
➊P03242
-
Capscrew, Button Hd. Socket, 1/2"-20 × 1 1/4"
➊P00450
-
Capscrew, Hx., 1/2"-20 × 3/4"
➊P00452
-
Capscrew, Hx., 1/2"-20 × 1"
➊P00453
-
Capscrew, Hx., 1/2"-20 × 1 1/4"
2
➋P01312
16
Lockwasher, 1/2"
➋P01361
-
Starwasher, 1/2"
➋P01406
-
Flatwasher, 1/2"
3
P32689
4
Cover, Grease Fitting
4
P15272
1
Grease Fitting - 1/8" N.P.T.
5
36328A
A/R
Shim, 10 GA (.135" × 2" wide)
6
36329A
A/R
Shim, 16 GA (.060" × 2" wide)
7
39023A
10
Slide Pad, Boom (9/16" × 2" wide)
8
P00701
4
Capscrew, Hx., 3/4"-10 × 1 3/4"
9
P01315
4
Lockwasher, 3/4"
10
P01440
4
Flatwasher, 3/4" SAE
11
39809A
4
Pad Retainer, Aluminum
12
16369A
1
Nut, Extension Cylinder Rod
13
P02612
1
Setscrew, Socket - Cup Pt., 3/8"-16 × 3/8"
14
13599A
1
Boss, Extension Cylinder Rod
15
65263A
1
Pin, Chain Roller
16
P00602
1
Capscrew, Hx., 5/8"-11 × 1 1/2"
17
P01314
1
Lockwasher, 5/8"
18
32432B
1
Lock Pin, 5/8"
19
65692A
2
Bushing, Chain Roller
20
65755B
1
Sheave, Chain
21
66151D
1
Boom, Middle
22
P11678
2
Grease Fitting, Drive
23
39024A
2
Slide Pad, Boom (3/4" × 2" wide)
24
P00009
1
Capscrew, Hx., 1/4"-20 × 2"
25
66155A
1
Shaft, Hose Follower Mounting
26
66156A
1
Hose, Follower
27
P01308
1
Lockwasher, 1/4"
28
P01506
1
Nut, Hx.,1/4"-20
29
P02757
1
Setscrew, Square Hd., Cup Pt., 1/2"-13 × 1 3/4"
30
P01560
1
Jam Nut, Hx., 1/2"-13
31
39863A
2
Slide Pad, Bottom
32
P01359
4
Starwasher, 3/8"
33
P03225
4
Capscrew, Button Hd. Socket, 3/8"-16 × 3/4"
34
36174A
1
Shaft, Chain and Hose Roller
35
P16611
1
Grease Fitting
36
38189A
2
Washer, Outer
37
66879A
2
Hose Guide
38
65270B
2
Hose Sheave
39
67385A
2
Spacer, Hose
40
67375A
2
Washer, Inner
41
65723A
2
Bushing, Chain and Hose Roller
42
36186B
1
Roller, Chain and Hose
43
38191A
1
Bushing, Hardened
NOTES:
➊ Capscrew length will vary with shimming requirements.
➋ Washers will vary with shimming requirements.
MIDDLE BOOM ASSEMBLY (3-Section)
4.5.1.2
Rev. 004
8K-42 S/N 350–360
6K-42 S/N 189–201
644B-42 S/N 519–658
844C-42 S/N 1481, 1513–1608, 1610–1699 & 1701-1702
644B
6K
844C
8K
1044C
10K