TM 5-3805-262-343-12. AIR BRAKE SYSTEM MAINTENANCE (CONT)f. AirCompressorGovernor. This task covers disassembly, cleaning, inspection,and reassembly of air compressor governor.TOOLS: No. 1 Common Organizational Maintenance Tool KitDrill, 1/2 inch capacityDrill bit, 1/8 inch diameterSafety glassesScrewdriverFixed open end wrench setViseSocket head screw key setAutomotive Mechanic’s Tool KitDrive pin punch, 1/8 inch pointMachinist’s steel ruleMATERIALS/PARTS: Clean cloths (Appendix C, item 1)Cleaning solvent P-D-680 (Appendix C, item 2)Governor kit (FSCM 10988 PN N8783)REFERENCE: TM 5-3805-262-20NOTEPRELIMINARY PROCEDURE: Air compressor governor removed (refer to TM5-3805-262-20).DISASSEMBLY (SHEET 1 OF 2)(1)(2)(3)(4)(5)(6)3-494Put governor in vise with ad-justing screw (4) up. Measuredistance from top of adjustingscrew (4) to top of nut (3).Record measurement to aid re-assembly.Loosen nut (3).Using 1/8 inch drill bit,drill hole through plug(l). Using 1/8 inch pointdrive pin punch insertedthrough drilled hole, pryplug out and discard.Remove setscrew (2) using socket head screw key.Remove nut (3) and adjusting screw (4).Loosen housing (5); turn housing (5) counterclockwise and count numberof turns to remove. Record number of turns to aid reassembly.
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