JLG M400 Parts Manual - Manual (Page 175)

SECTION 5 - CYLINDER
3121830 M450A/M400AJPnarrow/M400A/E400AJPnarrow/E450A/E450AJ/E400A/M 175
FIGURE 5-10. MASTER CYLINDER ASSEMBLY (E/M450A Prior to SN 0300165128; E/M400A Prior to
SN 0300165128)
ITEM PART NUMBER QTY DESCRIPTION REV
Ref MASTER CYLINDER ASSEMBLY
1683325 Ref Master Cylinder Assembly (Prior to SN 0300056894) 1-A
1683932 Ref Master Cylinder Assembly (E/M400A) (SN 0300056894 through
0300189901) G
1683932 Ref Master Cylinder Assembly (E/M450A) (SN 0300056894 through
0300189898) G
Ref Note: Original Equipment components may have been
replaced with Service Replacement components part.
Identify p/n stamped on cylinder before ordering parts.
1 Ref Barrel Weldment Options:
1 1682879 1 Barrel Weldment (Prior to SN 0300056894)
1 1684002 1 Barrel Weldment (E/M400A) (SN 0300056894 through
0300189901)
1 1684002 1 Barrel Weldment (E/M450A) (SN 0300056894 through
0300189898)
1A Ref Bushing Option:
1A 0961608 2 Bushing (Prior to SN 0300056894)
1A 0962356 2 Bushing (E/M400A) (SN 0300056894 through
0300189901)
1A 0962356 2 Bushing (E/M450A) (SN 0300056894 through
0300189898)
2 Ref Rod Weldment Options:
2 1682886 1 Rod Weldment (Prior to SN 0300056894)
2 1684007 1 Rod Weldment (E/M400A) (SN 0300056894 through
0300189901)
2 1684007 1 Rod Weldment (E/M450A) (SN 0300056894 through
0300189898)
2A Ref Bushing Options:
2A 0961608 2 Bushing (Prior to SN 0300056894)
2A 0962356 2 Bushing (E/M400A) (SN 0300056894 through
0300189901)
2A 0962356 2 Bushing (E/M450A) (SN 0300056894 through
0300189898)
3 1120110 1 Retainer
4 Ref Piston Options:
4 3480217 1 Piston (Prior to SN 0300056894)
4 3480261 1 Piston (E/M400A) (SN 0300056894 through 0300189901)
4 3480261 1 Piston (E/M450A) (SN 0300056894 through 0300189898)
5 Ref Head Options:
5 1682154 1 Head (Prior to SN 0300056894)
5 1683934 1 Head (E/M400A) (SN 0300056894 through 0300189901)
5 1683934 1 Head (E/M450A) (SN 0300056894 through 0300189898)
6 3300308 1 Nut, Hex
7 Ref Spacer, Tube Options:
7 4566023 1 Spacer, Tube (Prior to SN 0300056894)
7 4568136 1 Spacer, Tube (E/M400A) (SN 0300056894 through
0300189901)
7 4568136 1 Spacer, Tube (E/M450A) (SN 0300056894 through
0300189898)
8 3900170 1 Setscrew 3/8in-16NC x 3/8in
9 See Note 1 T-Seal (Note: Use Items 100A & 100B)
10 See Note Ref Ring, Wear (Note: Use Items 100A & 100B)