TM 9-803 91-92
‘/r-TON
4 x 4 TRUCK (WILLYS-OVERLAND and FORD MODEL GPW)
MODEL MB
Section XIX
GENERATING
SYSTEM Paragraph
Description and data . . . . . . . . . . . . . . . . . . ........ .. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............................... ........ ....... Generator . .... ........ ............. .................... Regulator
91 92 93 94
91.
DESCRIPTION AND DATA. a. Description. The generating system (fig. 49) is a 6-volt sys-
tem, single-wire, ground-return type. This system consists of the generator, regulator, and wires connecting it to the ammeter. For information concerning the battery and lighting system refer to paragraph 95. The system develops current to keep the battery charged, and furnishes current for ignition, lighting, and other electrical accessories if the engine operation is sufficient. The regulator governs the generator output in accordance with the condition of the battery, and the requirements of the other electrical units used in the operation of the vehicle.
b.
Data. System voltage ................ .. .. 6 to 8 Generator : Make and model . . . . . . . . Auto-Lite GEG-5101D Ground polarity ...... . . . Negative Controlled output .. ... .. 40 amps Rotation (drive end) . . . . Clockwise Control ... . . . . Current voltage regulator Brushes . . . . . . . . . . . . . . . . . . . . . .. 2 output . . . . . . . . . . . 8.0 amps: 7.6 volts; 955 rpm 40.0 amps: 7.6 volts; 1460 rpm 40.0 amps; 8.0 volts; 1465 rpm Regulator : Make and model . . . . . . . . . . Auto-Lite VRY-4203 A Type .. .. ........ . . Current voltage Volts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Amperes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Ground polarity .. . ... ... ...... Negative
92. MAINTENANCE. a. The generator requires attention to lubrication of those gener-
ators provided with oilers. Properly adjust the drive belt. Check mounting screws and bracket attached to engine. Generator brace must be in position. Wire terminals must be in good condition, clean, 146
