AC Current Meter

Figure 4-39. Volts-Amps Transfer Switch Schematic Diagram

TM-9-6115-464-12 Wrench Impact Hydraulic Model MV-12-140T Manual
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ARMY TM 9-6115-464-12 AIR FORCE TO 35C2-3-445-1 NAVY NAVFAC P-8-624-12 j. AC Current Meter. (1) Removal. (a) Tag and disconnect electrical leads to Occurrent meter. (b) Remove self-locking nuts (32, Figure 4-38, sheet 1 of 3) and screws (33) to remove AC current meter (34) from panel. (2) Cleaning and Inspection. (a) Clean AC current meter with filtered compressed air or wipe with a dean, lint-free cloth Iightly moist- ened with en approved solvent. (b) Visually inspect AC current meter for corrosion, cracked casing, cracked or broken glass, stripped or otherwise damaged threads and evidence of shorting or other damage. (3) Installation. (a) Install AC current meter (34, Figure 4-38, sheet 1 of 3), screws (33), and self-locking nuts (32) onto panel. (b) Reconnect electrical leads to AC current meter. k. AC Voltmeter. (1) Removal. (a) Tag and disconnect electrical leads to AC voltmeter. (b) Remove self-locking nuts (35, Figure 4-38, sheet 1 of 3) and screws (36) to remove AC voltmeter (37). (2) Cleaning and Inspection. (a) (b) Clean AC voltmeter with filtered compressed air or wipe with a clean, lint-free cloth lightly moist- ened with an approved solvent. Visually inspect AC voltmeter for corrosion, cracked casing, cracked or broken glass, stripped or otherwise damaged threads, and evidence of shorting or other damage. (3) Testing. If an AC voltmeter is suspected of being faulty, test by temporarily replacing with another which is known to be serviceable. If the incorrect reading persists, the original meter is serviceable and should be reinstalled. (4) Installation. (a) Install AC voltmeter (37, Figure 4-38, sheet 1 of 3), screws (36), and self-locking nuts (35). (b) Reconnect electrical leads to AC voltmeter. l. Volts-Amps Transfer Switch. (1) Removal. (a) Tag and disconnect electrical leads to volts-amps transfer switch. (b) Loosen setscrews in control knob (38, Figure 4-38, sheet 1 of 3) and remove knob. (c) Remove nut (39) to remove switch (40) from panel. (2) Cleaning and Inspection. (a) (b) Clean volts-amps transfer switch with filtered compressed air or wipe with a clean, lint-free cloth lightly moistened with an approved solvent. Visually inspect volts-amps transfer switch for cracked casing, corrosion, stripped or otherwise damaged threads, and evidence of shorting or other damage. 4-91

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