GMC 1976 ZEO 6083 Maintenance Manual page 397

Part No .
GENERAL DESCRIPTION
The 80 amp. (27 SI type 100) generator illus-
trated in Figure 22 feature a solid state regulator
NO . 1 TERMINAL
"BAT" TERMINAL
1980402 1980400
GENERATING SYSTEM
ENGINE ELECTRICAL 6Y- 17
mounted inside the generator slip ring end frame . All
regulator components are enclosed in a solid mold .
This unit, along with the brush holder assembly, is
SLIP RING
DRIVE
END FRAME
END FRAME
Figure 22-80 - Amp. Integral Type AC Generator
VOLTAGE AND TEMPERATURE CHART
Electrolyte Temperature . . . . . . . . . . . . . 80°F. 70°F 60°F 50°F 40°F 30°F 20°F 10°F 0°F
26 .7°C 21 .1°C 15 .6°C 10°C 4 .4°C 1 .1°C -6 .7°C -12 .2°C-17 .8°C
Voltage Minimum . . . . . . . . . . . . . . . . . . 9.6 9 .6 9 .5 9.4 9 .3 9 .1 8 .9 8 .7 8 .5
Make
Model No .
Catalog No .
Volts
Delco-Remy
Freedom Battery
R89-5
12
Delco-Remy
Freedom Battery
R85-5
12
Watt Rating @0°F .(-17 .8°C .)
4000
3200
Cold Cranking Rating @0°F .
(-17 .8°C .) 465 350
Cold Cranking Rating @-20°F .
(-29°C .) 375 270
Minutes Reserve Capacity
@ 25 Amps 125
80
Amps for Load Test 230
230