TM 5-3810-306-20AIR RESERVOIR REPLACEMENTTOOLS: Generalmechanic’s tool kit: automotive (5180-00-177-7033)SUPPLIES:Lockwashers (Item 15, Appendix C)Lockwashers (Supplied with bracket)EQUIPMENT CONDITIONS: Crane wheels are chocked.Air system is purged. (Refer to page 11-2.)Disconnect ground cable at shunt. (Refer to page 8-109.)REMOVALNOTEPrimary and secondary air reservoirsare replaced in the same manner.1.REMOVE AIR RESERVOIR (1).a.Tag and disconnect air lines on air reservoir (1).Plug air lines.b.Remove two capscrews (3), lockwashers (4) andnuts (5) to free air reservoir (1) from chassisframe. Discard lockwashers.c.Remove two long capscrews (6), lockwashers(7) and nuts (8) from mounting bracket (2).Discard lockwashers.d.Remove inlet, outlet port fittings and automaticdrain valve (9) or petcock drain. Retain forinstallation or replace if damaged.INSTALLATION:1.INSTALL AIR RESERVOIR (1).a.Install mounting bracket (2) on air reservoir (1).Secure with two long capscrews (3), newlockwashers (7) and nuts (8).b.Install inlet, and outlet port fittings andautomatic drain valve (9) or petcock drain.c.Support air reservoir (1) and align mountingbracket (2) on chassis frame. Secure with twocapscrews (3), new lockwashers (4) and nuts(5).d.Remove tags, plugs and connect air lines to airreservoir (1).2.CONNECT GROUND CABLE AT SHUNT. (REFERTO PAGE 8-109.)3.START-UP ENGINE AND ALLOW AIR PRESSURETO BUILD UP. (REFER TO TM 5-3810-306-10.)4.CHECK ALL AIR OPERATED FUNCTIONS.(REFER TO TM 5-3810-306-10.).END OF TASK11-21
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