JLG 450A_AJ Series II Parts Manual User Manual
Page 213
5-27
SECTION 5 CYLINDER
FIGURE 5-13. USA BUILT MACHINES/TELESCOPE CYLINDER (SN 0300160835 TO SN
ITEM #
PART NUMBER
QTY.
DESCRIPTION
REV.
Ref
USA Built Machines use SNs 03xxxxxxxx.
Ref
Romanian Built Machines use SNs E3xxxxxxxx.
Ref
TELESCOPE CYLINDER ASSEMBLY
1001143915
Ref
450A Series II
B
1001143916
Ref
450AJ Series II
B
1
0100011
AR
Compound, Locking
2
0641512
4
Bolt 5/16in-18NC x 1-1/2in
3
1682892
1
Head
4
1
Barrel Weldment Options:
1684096
450A Series II
1683800
450AJ Series II
5
1
Rod Weldment Options:
1684098
450A Series II
1683802
450AJ Series II
6
2220628
2
Adapter, Elbow
7
3322205
1
Locknut 3/4in-16NC
8
3480239
1
Piston
9
3760318
1
Ring, Retaining
10
Use 2902073
1
Ring, Wear
11
Use 2902073
2
Ring, Wear
12
Use 2902073
1
O-Ring
13
Use 2902073
1
O-Ring
14
3951402
1
Setscrew 1/4in-20NC x 1/4in
15
Use 2902073
1
Wiper
16
Use 2902073
1
Seal
17
Use 2902073
1
Seal
18
1
Spacer, Tube Options:
4568218
450A Series II
4566027
450AJ Series II
19
4641200
1
Counterbalance Valve Assembly (See Items 101-103 for
Breakdown)
20
2220883
2
Plug, O-Ring
21 to 29
Not Used
30
2902073
1
Seal Kit, Cylinder (Includes Items 10-13 & 15-17)
4641200
Ref
COUNTERBALANCE VALVE ASSEMBLY
C
101
7011347
2
Cartridge, Counterbalance
2900770
2
Seal Kit - Cartridge (1 Per Cartridge)
102
Not Used
103
3790113
2
O-Ring (Between Valve and Cylinder Block)