TM 55-1520-240-T
10-1.3 ENGINE FUEL SHUTOFF AND CROSSFEED VALVES
VISUAL CHECK
Personnel Required:
INITIAL SETUP
67U10 Medium Helicopter Repairer
Applicable Configurations:
References:
All
TM 55-1520-240-23
Tools:
Aircraft Mechanic’s Tool Kit,
NSN 5180-00-323-4692
Equipment Condition:
TM 55-1520-240-23:
Battery Disconnected
Materials:
Electrical Power Off
None
Hydraulic Power Off
TASK
RESULT
1. Check left crossfeed valve (1).
If valve (1) is loose or damaged, tighten or replace
it as required. If wiring or connector (2) is
damaged, repair or replace wiring or connector as
required.
2. Check No. 1 engine fuel valve (3).
If valve (3) is loose or damaged, tighten or replace
3.
4.
5. Check No. 2 engine fuel valve (8).
6.
7.
it as required. If wiring or connector (4) is
damaged, repair or replace wiring, or connector as
requ i red.
Check left crossfeed valve and No. 1
If either light (5) is damaged, replace it. If wiring to
engine fuel valve lights (5).
either light is damaged, repair or replace it as re-
quired,
Check right crossfeed valve (6).
If valve (6) is loose or damaged, tighten or replace
it as required. If wiring or connector (7) is
damaged, repair or replace wiring or connector as
required.
If valve (8) IS loose or damaged, tighten or replace
it as required, If wiring or connector (9) is
damaged, repair or replace wiring or connector as
required.
Check right crossfeed valve and No. 2
If either light (10) IS damaged, replace it. If wiring
engine fuel valve lights (10).
to either Iight is damaged, repair or replace it as
required.
Check CROSSFEED FUEL VALVES
If switch (11) is loose or damaged, tighten or re-
switch (11).
place it as required.
FOLLOW-ON MAINTENANCE:
None
10-4
10-1.3
END OF TASK
