TCH.1C-27J-2-29JG
2-26.1
FUNCTIONAL TEST OF FIRE SHUT-OFF
VALVES - FUNCTIONAL TEST (refer to figure
)
and (refer to figure
1.Close the HYDRAULICS SOV ENG 1 (61DE) (1)
(HYDRAULICS SOV ENG 2 (34DE) (2) ) circuit
breaker, located on the Overhead Circuit Breakers
Panel (271VE) in position B 1 (B 2).
2.Pull the FIRE 1 PULL (6) (FIRE 2 PULL (5) ) handle
and verify visually, through the see-feel (lever) on the
valve body itself, that the lever on left fire shut-off
valve 39 DE (38DE) (9), in the left (right) nacelle,
indicates 'CLOSE' (or 'GROUND').
3.Push fully the FIRE 1 PULL (6) (FIRE 2 PULL (5) )
handle and verify visually that the lever on left (right)
fire shut-off valve (9) indicates "OPEN" (or "FLIGHT").
FOLLOW ON MAINTENANCE:
1.Disconnect external electrical supply from the aircraft
(refer to manual
).
29-10-40
2-180