TM 5-3805-262-343-12. AIR BRAKE SYSTEM MAINTENANCE (CONT)e. AirCompressorAssembly(Cont).(1) Cylinder Head and Unloader (Cont).DISASSEMBLY (SHEET 3 OF 4)(k)(l)(m)(n)(o)(p)(q)Put cylinder head assembly (14 thru 26) in vise, machined surface up.Loosen and remove two stops (15) from cylinder head (14). Use 9/16 inchhexagon rod and socket wrench to loosen and remove.Remove and discard two exhaust valves(16) from two stops (15).Remove and discard two springs (17)from cylinder head (14) bores.Remove two seats (18) from cylinderhead (14) bores.Remove and discard two washers (19)from cylinder head (14) bores.Using screwdriver, carefully loosenone end of two valve guards (20).3-468
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