JLG 450A_AJ Series II Parts Manual User Manual
Page 309
SECTION 5 - CYLINDER
3121244
450A Series II/450AJ Series II
309
FIGURE 5-15. USA BUILT MACHINES/TELESCOPE CYLINDER
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
Ref
USA Built Machines use SNs 03xxxxxxxx.
Ref
Belgium Built Machines use SNs 13xxxxxxxx.
Ref
Romanian Built Machines use SNs E3xxxxxxxx.
Ref
TELESCOPE CYLINDER ASSEMBLY
1684095
Ref
Telescope Cylinder Assembly 450A Series II
E
1684140
Ref
Telescope Cylinder Assembly 450AJ Series II
4-E
1
Ref
Barrel Weldment Options:
1
1684096
1
Barrel Weldment 450A Series II
1
1683800
1
Barrel Weldment 450AJ Series II
2
Ref
Rod Weldment Options:
2
1684098
1
Rod Weldment 450A Series II
2
1683802
1
Rod Weldment 450AJ Series II
3
3480239
1
Piston
4
1682892
1
Head
5
Ref
Spacer, Tube Options:
5
4568218
1
Spacer, Tube 450A Series II
5
4566027
1
Spacer, Tube 450AJ Series II
6
4641200
1
Counterbalance Valve Assembly (See Items 101-103 for
Breakdown)
7
0641512
4
Bolt 5/16in-18NC x 1-1/2in
8
2220883
2
Plug, O-Ring
9
3951402
1
Setscrew 1/4in-20NC x 1/4in
10
3322205
1
Locknut
11
3760318
1
Ring, Retaining
12
2902073
2
Ring, Wear
13
2902073
1
Seal, Cap
14
2902073
1
O-Ring
15
2902073
1
Ring, Wear
16
2902073
1
O-Ring
17
2902073
1
Seal, Rod
18
2902073
1
Wiper
19
0100011
AR
Compound, Locking
25
2130608
2
Adapter, Elbow
30
2902073
1
Seal Kit, Cylinder (Includes Items 12-18)
4641200
Ref
COUNTERBALANCE VALVE ASSEMBLY
C
101
7011347
2
Cartridge, Counterbalance
101
2900770
2
Seal Kit - Cartridge (1 Per Cartridge)
103
3790113
2
O-Ring (Between Valve and Cylinder Block)