FRAME 2 - TM-9-2815-210-34-2-20598

TM 9-2815-210-34-2-2

FRAME 2

WARNING

Smoking, sparks or open flames are not allowed within 50

f e e t of work area during this task. Fire or explosion

c o u l d occur, causing injury to personnel and damage to

equipment.

R e f e r to test setup given in paragraph 4-68d frame 1.

U s i n g suitable fitting, hook up solenoid valve inlet opening (1) in place of

n o z z l e and check valve assembly, shown in test setup.

C o n t i n u e with procedures given in paragraph 4-68d frame 2, and frame 3

steps 1 and 2.

CAUTION

The flame heater electrical system is negatively grounded.

P i n A is positive and pin B is negative. Do not switch

p o l a r i t y of solenoid valve during checking or replace-

m e n t . Changing polarity will permanently damage sole-

n o i d valve or wiring harness.

J o i n 10 to 12-volt dc power supply to solenoid valve electrical connector (2).

Electrical current will open normally closed valve and fuel will flow out of

outlet opening (3).

T a k e off 10 to 12-volt dc power supply. Fuel flow out of outlet opening (3)

s h o u l d stop completely with no leakage. I f fuel flow does not stop completely,

l o o s e n acorn nut (4) and tighten acorn nut to 40 to 50 pound-inches.

Do steps 4 and 5 again.

I f fuel still leaks from outlet opening (3), get a new solenoid valve.

D o steps 1 through 7 again for other solenoid valve.

S h u t off fuel pressure, refer to paragraph 4-68d frame 3 steps 4 and 5.

T a k e off solenoid valve.

END OF TASK

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