TM 5-5420-228-24
HEU OR EARLY MODEL OVERHEAD CYLINDER REPAIR (Sheet 1 of 6)
PROCEDURE INDEX
Procedures
Page
Disassembly
Cleaning and Inspection
Assembly
TOOLS:
Cross-tip screwdriver
Crowbar
Flat-tip screwdriver
Installation tool, seal pack (HEU model)
Punch, drive pin, 3/4 in. x 10 in
Ratchet with 3/4 in. drive
Sledge hammer
Spanner wrench with 0 to 6-1/2 in. span
Torque wrench with 3/4 in. drive (0 to 600 lb-ft capacity)
1 5/16-in. socket with 3/4 in. drive
4-9/16 in. cylinder rod wrench (stow right fender box)
SUPPLIES:
Dry cleaning solvent (Item 15, Appendix D)
Gloves (Item 27, Appendix D)
Rags (Item 12, Appendix D)
Goggles (Item 26, Appendix D)
Masking tape (Item 18, Appendix D)
Seal pack assembly (HEU model)
10/32 screw 1/2 in. long (4 required)
Scraper (HEU model)
Packing assembly
Retainer (HEU model)
Spacer ring (Early model)
Preformed packing (as required)
Wiper ring (2 required)
Wooden block (make from Item 25, Appendix D)
Container (to catch fluid)
Pencil (Item 22, Appendix D)
Lockwashers (10 required)
PERSONNEL: Two
REFERENCE: LO-12
TM-10
DISASSEMBLY:
1.
Place wooden block under overhead
cylinder (A).
Go on to Sheet 2
