2.16.33 ProcessControlDeviceMaintenance,UnitUS636HCCD-1. (Continued)Do not work on equipment with battery connected. Electrocution hazard ispresent if battery is connected. Failure to obey this warning may result inserious personal injury.a .Remove and retain twelve screws (Figure 2-88, 1) and tag remove wires (2)from process control device (3).b .Tag wires (4) on process control device (3). Remove four nuts (5), lockwashers (6), screws (7), wires (4), and process control device (3) fromcontrol panel (8). Discard lock washers (6).2.16.33.2 Repair.a.Inspect all mounting hardware for damage.b.Replace all defective components.2.16.33.3 Test.Figure 2-89. Process Control Device.TM 10-4320-344-242-218
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