TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
o.
PERSONNEL VENTILATION BLOWER (continued).
(3) PERSONNEL VENTILATION BLOWER DOES NOT
OPERATE IN EXHAUST MODE (continued).
(continued).
CONTINUED FROM B
c.
1. Install wiring harness 12351461 on PER-
SONNEL VENTILATOR BLOWER.
2. Check for continuity of EXHAUST circuit
by removing harness 12351461 from acces-
sory control box (circuits 159A, 159B, 159C).
3. Place red probe of multimeter on pin C of
harness 12351461 and black lead of multi-
meter to pin 14 of AFES relay #1 (middle)
and check for continuity.
Is voltage continuity indicated in the EXHAUST
circuit?
Repair wire 159C or replace harness
12351461 (para 7-79) Verify problem is
Replace AFES control relay #2 (middle)
(para 21-1 1). Verify problem is solved.
CONTINUED FROM STEP A
D. 1. Place red lead of multimeter on socket C
harness 12351461 and black lead of multi-
meter to ground.
2. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
3. Ensure PERSONNEL VENTILATOR
BLOWER switch is in EXHAUST position.
4. Check for 24 ± 3 vdc.
5. Turn MASTER switch to OFF (refer to TM
9-2350-287-10).
Is voltage present?
Continued on next page
2-260
s o l v e d .