JLG 450A_AJ Series II Parts Manual User Manual
Page 341
SECTION 5 - CYLINDER
3121243
450A Series II/450AJ Series II
341
FIGURE 5-17. USA BUILT MACHINES/TELESCOPE CYLINDER (Prior to SN 0300124000)
ITEM
PART NUMBER
QTY
DESCRIPTION
REV
Ref
TELESCOPE CYLINDER ASSEMBLY
1684095
Ref
Telescope Cylinder Assembly (450A Series II) (Manufactured
in USA) (SN 1st digit is 0)
E
1684140
Ref
Telescope Cylinder Assembly (450AJ Series II) (Manufactured
in USA) (SN 1st digit is 0)
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
23
Ref
Wear Pad Assembly Options:
23
Not Required
0
Wear Pad Assembly (450A Series II)
23
3340679
1
Wear Pad Assembly (450AJ Series II) (Prior to SN
0300065633)
24
0641604
2
Bolt 3/8in-16NC x 1/2in (Prior to SN 0300065633)
25
2130608
2
Adapter, Elbow (SN 0300065161 through 0300124000)
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)