TM 1-1680-320-13&P
HIGH PERFORMANCE RESCUE HOIST ASSEMBLY
LIMIT SWITCH DRIVE ASSEMBLY - INSPECT
INITIAL SETUP
Personnel Required: 2
References:
UH-1 : 15N, Helicopter Repairer
AVUM/AVIM Manual for General Aircraft
UH-60: 15T, Helicopter Repairer
Maintenance TM 1-1500-204-23 series
Hoist Certified: 91W, Flight Medic
Aircraft Electrical and Electronic Manual
Electrical: 15F, Electrical Repairer
TM 1-1500-323-24 series
Cleaning Corrosion Control Manual
Parts/Materials:
TM 1-1500-344-23 series
Abrasive Cloth (WP 0047 00, Table 1, Item 1)
Cleaning Solvent (WP 0047 00, Table 1, Item 12)
Low-lint Cloth (WP 0047 00, Table 1, Item 13)
Grease (WP 0047 00, Table 1, Item 15)
Trichloroethane (WP 0047 00, Table 1, Item 33)
Lubricant, WD-40 or equivalent
Tools and Special Tools:
Air Source, 35 psi (241.3 kPa)
EXTERNAL INSPECTION
1. Inspect for nicks, cracks, scratches, dents, and corrosion.
2. Inspect electrical wiring for frayed and broken insulation. Check for cuts and tears.
3. Inspect for evidence of overheating and shorting.
4. Ensure identification plate is properly attached to the limit switch drive assembly and is legible.
INTERNAL INSPECTION
1. Inspect for nicks, cracks, scratches, dents, and corrosion.
2. Inspect electrical wiring for frayed and broken insulation. Check for cuts and tears.
3. Inspect for evidence of overheating and shorting.
4. Inspect gears for nicks, burrs, galling, and uneven wear.
5. Check for chipped and cracked spline teeth.
6. Inspect cams for excessive play and wear.
ELECTRICAL CONNECTOR INSPECTION
1. Inspect for nicks, cracks, scratches, dents, and corrosion.
2. Inspect electrical wiring for frayed and broken insulation. Check for cuts and tears.
3. Inspect for evidence of overheating and shorting.
4. Inspect electrical connector for bent, broken, and missing pins.
