4-30. CONTROL PANEL AND THROTTLE - TEST/REPLACE/REPAIR.
This Task Covers:
Tool Kit, General Mechanic's Automotive (Appendix B, Section III, Item 1).
Multimeter (Appendix B, Section III, Item 1)
Nut, self-locking (Appendix H, Section II, Item 48).
Tags (Appendix E, Section II, Item 17)
Tape, Electrical (Appendix E, Section II, Item 18).
a. Test. (Refer to Figure 4-20).
Start the lube unit (para 2-9a)
Ensure that all gauges are working properly.
Observe throttle assembly and linkage (1) Check that throttle assembly properly changes engine speed.
Prevent electrical shocks or burns. Do not wear jewelry or dog tags when
working on electrical components.
With multimeter, perform continuity tests on each control panel wire on back side of control panel (2) Replace or
repair wires with no continuity.
Shut down the lube unit (para. 2-11a.) and allow to cool
Exhaust muffler may be hot Use caution to prevent burn injury.
Disconnect negative battery cable to prevent electrical short or damage to
Close ball valve (3) on air-receiver tank (4)
Compressed air may cause severe injury or death, if not used properly. Drain
air tank prior to disconnecting air line on air pressure gauge
Open condensate removal valve handle (5) to "open" position on reel cabinet assembly (6)