ARMY *TM 9-6115-464-34 AIR FORCE TO-35C2-3 ... - Igor Chudov

ARMY TM 9-6115-464-34AIR FORCE 35C2-3-445-2NAVY NAVFAC P-8-624-34d. Disassembly.(1) Disassemble governor control unit (7 through 58) only as is necessary for inspection, testing, andreplacement of parts.NOTEDisassembly and repair of the electric governor control unit at the field level isrestricted to removal of the cover, connectors, potentiometers and test jacks. Furtherdisassembly requires unpotting which can be performed by depot maintenancepersonnel only.(2) Remove screws (7) and Iockwashers (8) and carefully Iift cover and situate at angle to prevent pottingcompound from contacting variable resistors and connectors.CAUTIONFlash point of potting compound is 515°F (268. 3°C). Do not allow oven to reach thistemperature. The melting temperature of patting compound is 165°F (73.8°C). Failureto observe this caution could result in damage to the equipment.(3) Place governor control unit in an oven and bake at + 180°F to 185° (+82.2°C to +85°C) for 11 to 12hours.WARNINGWear protective glasses and heat resistant gloves when removing governor controlunit. Hot potting compound will cause severe burns should it come in contact with theskin. Failure to observe this warning could result in servere personal injury or death.(4) Remove governor control unit from oven.(5) Slowly lift cover (54) with attached parts and printed circuit board (57) from housing (58).(6) Place printed circuit board on a drain board and allow to cool.(7) Remove screws (38, 42, 46, and 50) and Iockwashers (39, 43,47, and 51) and attaching connectors(41, 45, 49, and 53), gaskets (40, 44, 48, and 52) and cover (54).(8) Disassemble remaining components mounted on cover in accordance with index numbers 9 through37.e. Cleaning, Inspection, and Repair.WARNINGSolvent, Dry Cleaning P-D-680, Type II is flammable and moderately toxic to skin,eyes and respiratory tract. Eye and skin protection required. Good general ventilationis normally adequate. Failure to observe this warning could result in servere personalinjury or death.WARNINGCompressed air used for cleaning and drying purposes can create airborne particlesthat may enter the eyes. Pressure shall not exceed 30 psig and use only with adequatechip guards and chipping goggles. Failure to observe this warning could result inservere personal injury or death.3-160