TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
0. PERSONNEL VENTILATION BLOWER (continued).
(2) PERSONNEL VENTILATION BLOWER DOES
NOT OPERATE IN INTAKE MODE (continued).
CONTINUED FROM A
I
Is voltage indicated?
GO TO STEP F
B.
WARNING
When AFES relay cover is removed,
use caution while working around
exposed electrical terminals to
avoid electrical shock Do not short
out terminals with tools or bare
hands.
1. Remove AFES control relay cover by re-
moving 4 screws, 4 washers, 4 Iockwashers
and cover. Discard lockwashers.
2. On AFES relay #2 (bottom), place red
probe of multimeter on pin 12 and black lead
of multimeter to pin 2 (ground).
3. Ensure PERSONNEL VENTILATOR
BLOWER switch is in the INTAKE position.
4. Turn MASTER switch ON (refer to TM 9-
2350-287-1 O).
5. Check for 24 ± 3 vdc.
6. Turn MASTER switch OFF (refer to TM 9-
2350-287-1O).
Is voltage indicated?
Repair wire 159A or replace harness
12351461 (para 7-79). Verify problem is
solved.
Continued on next page
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