TM 9-2815-210-34-2-2
FRAME 2
CAUTION
Flame heater fuel pump electrical system is negatively
grounded.
Pin A is positive and pin B is negative. Do
not switch polarity of pump during checking or replace-
ment.
Changing polarity will permanently damage pump.
1.
Hook up 24-volt battery (1) with rheostat (2) to fuel pump receptacle (3).
2.
Hook up voltmeter (4) to fuel pump receptacle (3).
GO TO FRAME 3
4-566