2-19. TROUBLESHOOTING CHART (continued).
o.
PERSONNEL VENTILATION BLOWER (continued).
(4) PERSONNEL VENTILATION BLOWER OPER-
ATES, BUT DOES NOT COME ON AUTOMATI-
CALLY IN EXHAUST MODE DURING AFES
TEST (continued).
CONTINUED FROM A
A. 3. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
4. Perform AFES crew fire detection test (re-
fer to TM 9-2350-287-10).
5. Watch multimeter after actuating MANUAL
DISCHARGE switch. A pulse voltage for a
minimum duration of 0.5 seconds should be
read.
6. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage present?
Proceed to AFES system troubleshooting,
fault (para 2-19. v (1) and 2-19. v (2)).
B.
WARNING
Make sure you do not touch leads
of multimeter to any terminals other
than those specified in the following
procedures.
1. Remove AFES control relay cover by re-
moving four screws, four washers, four
Iockwashers and cover.
Discard
Iockwashers.
2. Remove wiring harness 12351461 from
#3 (top) AFES control relay.
3. Place red lead of multimeter into socket B
of wiring harness 12351461 at #3 (top) relay.
Place black lead of multimeter into socket B
of harness 12351461 at AFES wiring har-
ness.
4. Check for continuity.
Continued on next page
2-263
TM 9-2350-287-20-1