JLG M400 Parts Manual - Manual (Page 167)

SECTION 5 - CYLINDER
3121830 M450A/M400AJPnarrow/M400A/E400AJPnarrow/E450A/E450AJ/E400A/M 167
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) 1-A
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:
7 4740207 1 1683713, 1684057, 1683825, 1683942, 1684452 & 1684493
Cylinders