TM 5-3805-262-34
13-12. AIR BRAKE SYSTEM MAINTENANCE (CONT)
e. Air compressor Assembly (Cont).
(1) Cylinder Head and Unloader.
This task covers disassembly, cleaning, in-
spection, and reassembly of cylinder head and unloader.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Hand hammer, 16 ounces
Screwdriver
Vise
Center punch
Safety glasses
Torque wrench, 1/2 inch drive
Automotive Mechanic’s Tool Kit
Socket wrench set, 1/2 inch drive
Putty knife
Rubber mallet
Inside micrometer, zero to 2 inches
Outside micrometer, zero to 2 inches
Hexagon rod, 9/16 inch
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Grease (Appendix C, item 7)
Lubricating oil (Appendix C, item 9)
Silicone lubricant (Appendix C, item 18)
Carbon removing compound (Appendix C, item 27)
Head repair kit (FSCM 06721 PN RN26DW)
Unloader repair kit (FSCM 10988 N7311)
Washers, two (FSCM 06721 PN 4X2623)
REFERENCE: TM 5-3805-262-20
NOTE
PRELIMINARY PROCEDURE: Air compressor assembly removed (refer to TM
5-3805-262-20).
DISASSEMBLY (SHEET 1 OF 4)
(a) Loosen and disconnect unloader tube (1) from two fittings (2). Remove
unloader tube.
(b) Remove two fittings (2).
(c) Remove air compressor governor (refer to TM 5-3805-262-20).
(d) Remove two capscrews (3).
(e) Remove unloader (4).
(f) Remove and discard two retainers (5), seals (6), disks (7), diaphragms
(8), and springs (9) from unloader (4).
3-466
