JLG 450A_AJ Series II Parts Manual User Manual
Page 291
SECTION 5 - CYLINDER
3121244
450A Series II/450AJ Series II
291
FIGURE 5-6. USA BUILT MACHINES/LIFT (JIB) CYLINDER (450AJ SERIES II ONLY) (ORIGINAL
EQUIPMENT)
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
USA Built Machines use SNs 03xxxxxxxx.
Ref
Belgium Built Machines use SNs 13xxxxxxxx.
Ref
Romanian Built Machines use SNs E3xxxxxxxx.
1683959
Ref
JIB LIFT CYLINDER ASSEMBLY (450AJ SERIES II ONLY)
(ORIGINAL EQUIPMENT)
D
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)