TM 5-3805-261-20SENDING UNITS AND WARNING SWITCHES MAINTENANCE. (cont)7-91.AirPressureSwitch. (Sheet 2 of 3)REMOVALNOTEThe following is a maintenanceprocedure for one air pressureswitch. The maintenance procedurefor the other air pressure switch isidentical.1.Remove two screws (1) from switch (3,Figure 7-140) under right side of cab.NOTEAll wire, cable and harnessassemblies must be tagged beforedisconnecting to aid in installation.2.Disconnect two wire assemblies (2) atswitch (3).3.Remove switch (3).4.Remove bushing (4) and elbow (5) frombrake control valve.CLEANINGClean all parts. Refer to Chapter 2.INSPECTIONInspect all parts. Refer to Chapter 2.Figure 7-140Go to Sheet 37-222
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