TM 9-2330-390-14&P
5-48
5-11.
HYDRAULIC POSITIONING CYLINDER REPAIR (M1022A1 WITH SIDE LIFT KIT).
This Task Covers:
a.
Disassembly
b.
Cleaning and Inspection
c.
Assembly
Initial Setup:
Equipment Conditions:
Hydraulic positioning cylinder removed (see para-
graph 4-83).
Tools/Test Equipment:
General mechanics tool kit (Item 30, Appendix G)
Compressor unit (Item 4, Appendix G)
Machinists vise (Item 36, Appendix G)
Adjustable wrench (Item 37, Appendix G)
Pipe strap wrench (Item 40, Appendix G)
Personnel Required: Two
Materials/Parts:
Hydraulic fluid (Item 15, Appendix F)
Rags (Item 25, Appendix F)
Materials/Parts (Cont):
Dry cleaning solvent (Item 27, Appendix F)
One locknut
One seal kit
General Safety Instructions:
Dry cleaning solvent is flammable and must not be
used near an open flame. Use only in a well-venti-
lated area.
Compressed air used for cleaning purposes should
never exceed 30 psi (207 kPa).
CAUTION
Maintain a clean work area when disassembling and assembling hydraulic position-
ing cylinder. Contamination from a dirty work area may cause damage to hydraulic
components.
NOTE
A suitable container should be used to catch any draining hydraulic fluid.
Ensure that spills are properly cleaned.
As components are removed, they should be set aside and arranged in disas-
sembly order to aid during assembly.
1.
Drain all hydraulic fluid from positioning cylinder.
2.
Place barrel assembly (3) in vise.
3.
Rotate head (6) counterclockwise. Remove lockwire (5), O-ring (11), and head from barrel assembly (3)
slide head back on rod assembly (7). Discard O-ring.
4.
Remove rod assembly (7) with assembled components from barrel assembly (3).
5.
Remove barrel assembly (3) from vise.
a.
DISASSEMBLY