JLG 450A_AJ Series II Parts Manual User Manual
Page 331
SECTION 5 - CYLINDER
3121243
450A Series II/450AJ Series II
331
FIGURE 5-12. USA BUILT MACHINES/MASTER CYLINDER (450A SERIES II) (SERVICE
REPLACEMENT) (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)
1001140276
Ref
MASTER CYLINDER ASSEMBLY (450A SERIES II) (SERVICE
REPLACEMENT)
A
1
70003831
1
Barrel
2
70003832
1
Rod
4
70003810
1
Piston
5
70003809
1
Head
8
0961947
4
Bushing
9
70003814
1
Seal
10
70003814
2
Ring, Wear
11
70003814
1
O-Ring
12
70003814
1
O-Ring
13
70003814
1
Ring, Back-up
14
70003814
1
Seal
15
70003814
1
O-Ring
16
70003814
1
Wiper
17
70002217
1
Ring, Retaining
18
7026084
1
O-Ring
19
70002216
1
Retainer
20
70003830
1
Spacer
50
70003814
1
Seal Kit (Includes Items 9-16)