JLG 450A_AJ Series II Parts Manual User Manual
Page 321
SECTION 5 - CYLINDER
3121243
450A Series II/450AJ Series II
321
FIGURE 5-7. USA BUILT MACHINES/LIFT (JIB) CYLINDER (450AJ SERIES II ONLY) (ORIGINAL
EQUIPMENT) (Prior to SN 0300124000)
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
Ref
Note: Original Equipment Cylinder may have been replaced
with Service Replacement Cylinder. Identify p/n stamped on
cylinder before ordering parts.
Ref
Manufactured in USA (SN 1st digit is 0)
1683959
Ref
JIB LIFT CYLINDER ASSEMBLY (450AJ SERIES II ONLY)
(ORIGINAL EQUIPMENT)
B
1
0100011
AR
Compound, Locking
3
0100038
AR
Primer, Locking
4
0100063
AR
Loctite #RC609
5
0630534
3
Bolt #10-24NC x 1in
6
0961893
1
Bushing, Tapered
7
0961947
2
Bushing
8
0961951
2
Bushing
9
1683051
1
Head
10
1683960
1
Barrel Weldment
11
1683961
1
Rod Weldment
12
3760367
1
Washer, Ring
13
2220885
3
Plug, O-Ring
14
3480249
1
Piston
16
2901810
2
Ring, Back-up
17
2901810
1
Ring, Back-up
18
2901810
2
Seal
19
2901810
2
Ring, Wear
20
2901810
1
Ring, Wear
21
2901810
1
O-Ring
22
2901810
1
O-Ring
23
2901810
1
Seal
24
2901810
1
Wiper
25
2901810
1
T-Seal
26
3931516
8
Bolt, Socket Head 5/16in-18NC x 2in
27
4640509
2
Cartridge, Valve (Counterbalance Non-Vented)
27
2900792
2
Seal Kit - 4640509 Valve
30
2901810
1
Seal Kit, Cylinder (Includes Items 16-25)