JLG M450 ANSI Parts Manual - Manual (Page 175)

SECTION 5 - CYLINDER
3121128 M450A/E400A/M400AJPnarrow/E450A/E400AJPnarrow/M400A/E450AJ/M 175
FIGURE 5-8. LIFT CYLINDER ASSEMBLY - MID
ITEM PART NUMBER QTY DESCRIPTION REV
Ref MID LIFT CYLINDER ASSEMBLY
1683713 Ref Mid Lift Cylinder Assembly (E\M450A) (Prior to SN
0300058843) 1A
1684057 Ref Mid Lift Cylinder Assembly (E\M450A) (SN 0300058843
through 0300091052) 3-B
1684493 Ref Mid Lift Cylinder Assembly (E\M450A) (SN 0300091053
through 0300189898) B
1683825 Ref Mid Lift Cylinder Assembly (E\M450AJ) (Prior to SN
0300056571) 1-A
1683942 Ref Mid Lift Cylinder Assembly (E/M450AJ) (SN 0300056571
through 0300086021) 3-C
1684452 Ref Mid Lift Cylinder Assembly (E/M450AJ) (SN 0300086022
through 0300189898) C
1684027 Ref Mid Lift Cylinder Assembly (E/M400A) (Prior to SN
0300080496) 1-A
1684447 Ref Mid Lift Cylinder Assembly (E/M400A) (SN 0300080496
through 0300086021) B
1684454 Ref Mid Lift Cylinder Assembly (E/M400A) (SN 0300086022
through 0300189901) A
1683942 Ref Mid Lift Cylinder Assembly (E/M400AJP) (Prior to SN
0300091053) 3-C
1684452 Ref Mid Lift Cylinder Assembly (E/M400AJP) (SN 0300091053
through 0300189901) C
1 Ref Barrel Weldment Options:
1A 1683516 1 1683713 Cylinder (Note: Includes Item #25)
1B 1683829 1 1683825 Cylinder (Note: Includes Item #25)
1C 1683943 1 1683942 & 1684452 Cylinders
1D 1684025 1 1684027 & 1684447 & 1684454 Cylinders
1E 1684056 1 1684057 & 1684493 Cylinder
2 Ref Rod Weldment Options:
2 1683021 1 1683713 & 1683825 Cylinders (Note: Includes Item #25)
2 1683944 1 1683942, 1684057, 1684452 & 1684493 Cylinders
2 1684026 1 1684027 & 1684447 & 1684454 Cylinders
3 Ref Retainer Options:
3 1120305 1 1683713, 1684057, 1683825, 1683942 & 1684452 Cylinders
3 1120108 1 1684027, 1684447 & 1684454 Cylinder
3 1120375 1 1684493 Cylinder
4 Ref Piston Options:
4 3480242 1 1683713, 1684057, 1683825, 1683942, 1684452 & 1684493
Cylinders
4 3480240 1 1684027 Cylinder (Not Shown) (was p/n 3480115) Note: When
replacing the piston you must order seal kit p/n 2902419
separate from piston.
4 3480240 1 1684447 & 1684454 Cylinder (Not Shown)
5 Ref Head Options:
5 1683712 1 1683713, 1684057, 1683825, 1683942, 1684452 & 1684493
Cylinders
5 1681344 1 1684027, 1684447 & 1684454 Cylinder
6 Ref Nut, Hex Options:
6 3300281 1 1683713, 1684057, 1683825, 1683942, 1684452 & 1684493
Cylinders
6 3300279 1 1684027, 1684447 & 1684454 Cylinder
7 Ref Washer Options: