TROUBLESHOOTING PROCEDURES - continued - TM-55-1925-292-14-P0144

TM 55-1925-292-14&P

0009 00

Auxiliary Diesel Engines, Ventilation Fans,

and/or Fuel Oil Transfer Pumps Do Not

Shut Down When the FM-200 System

is Actuated

WARNING

Does

Take great care when working

any equipment

around energized electrical

shut down when the

equipment. Contact between

FM-200 system is

unprotected body parts and

actuated?

electrical conductors can cause

serious injury or death.

Yes

Verify that the plunger

for PS-1 is in the DOWN

position. Measure for 24 Vdc

across terminals 2 and 3 inside

of pressure switch PS-1.

To Sheet 2

WARNING

Take great care when working

24 Vdc

Yes

around energized electrical

present at

equipment. Contact between

pressure

unprotected body parts and

switch

electrical conductors can cause

PS-1?

serious injury or death.

Set the FM-200 SYSTEM

circuit breaker in the 01 and 02

emergency lighting panel 1 to

OFF and place PS-1 UP in

the OPERATE position. Measure

for continuity across pins 2 and 3

in pressure switch PS-1.

Does

Locate and repair

pressure

the faulty wiring in the

Yes

switch PS-1

engine room FM-200 relay

check

panel box.

good?

Pressure switch PS-1 is

faulty. Notify the

maintenance supervisor

of the defect.

Exit

Procedure 5. Auxiliary Diesel Engines, Ventilation Fans, And/Or Fuel Oil Transfer Pumps Do Not Shut

Down When The FM-200 System Is Actuated (Sheet 1 of 2)

0009 00-8