Hobart 6824-1, Operation And Maintenance Manual, Page: 89 / 214

TEST BOX
POINTER
POSITON TEST POINTS
CONNECTOR
TERMINALS TEST
DESCRIPTION CONDITION VOLTAGE
1 K-M Phase “A” input for reg. and
trays Unit in “GEN” mode 115-V AC
400 HZ
2 K-P Phase “B” input for reg.and
trays Unit in “GEN mode &
auto-man sw. in ”AUTO" 115-V AC
400HZ
3 K-S Phase “C” input for reg. and
trays Unit in “GEN mode &
auto-man sw. in ”AUTO" 115-V AC
400HZ
4 K-A Protective monitor fuse Battery voltage 12-VDC
5 K-B Fuse interlock relay Test bank sw. Closed &
contactor closed 12-V DC
6 H-S Protective monitor contacts Auto-man sw. in “AUTO
position 115-V AC
7 K-Z Plug interlock relay Plug in aircraft 28-V DC
8 D-F Exciter input Unit in “GEN mode 8-12
VDC
9 V-X Regulator output** Unit in “GEN mode &
auto-man sw.in ”AUTO" 50-70 V
DC*
10 K-B Contactor operation Test bank sw. Closed &
contactor closed 115-V AC
11 K-E Overload contacts at less
than 125% load Test bank sw. Closed &
contactor closed O-V DC
12 K-R Contactor switch Test bank sw. closed &
contactor sw. closed in
“ON” position 115-V AC
13 K-N Battery voltage and engine
circuit fuse All conditions 12-V DC
14 K-J Shut-down solenoid Engine running O-V DC
15 K-G Governor and EDR Unit in “GEN” mode 12-V DC
16 U-W Governor actuator Unit at idle speed O-V DC
Typical Test Values at Test Receptacle Connector or Test Box
Figure 12
OM-499
May 31/94 Revised 2-3
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