TM 5-3805-292-23
0006
ELECTRICAL TROUBLESHOOTING - EC003 HYDRAULIC OIL FILTER IS RESTRICTED
0006
WARNING
DO NOT disconnect or remove any hydraulic system line or fitting unless engine is shut
o
down and hydraulic system pressure has been relieved. Tighten all connections before
applying pressure. Escaping hydraulic fluid under pressure can penetrate the skin.
Use a piece of cardboard, newspaper, or wood to check for pressurized leaks, to prevent
o
fluid penetrating the skin.
Contact with engine/hydraulic oil can damage skin. Wear gloves when handling engine/
o
hydraulic oil. If oil contacts skin, wash it off immediately. Failure to follow this warning may
result in injury to personnel.
Replace hydraulic oil filter
Problem still
Stop
NO
exists?
YES
Problem still
Remove and clean hydraulic oil
Stop
NO
exists?
filter base (WP 0071).
YES
Disconnect hydraulic filter pressure
switch (WP 0071).
Disconnect instrument panel (IP) (WP
Check for continuity between
Continuity
Perform Open Harness Test for circuit
hydraulic filter pressure switch
NO
connector 24, circuit 261A (Y)
present?
261 (WP 0173).
harness side, IP connector C23-15,
and circuit 261B (Y) harness side
and Frame 19. Miscellaneous
Circuits).
YES
Reconnect instrument panel (IP) (WP
Continuity in
Replace hydraulic filter pressure switch
closed position, no
Remove hydraulic filter pressure
NO
continuity in open
switch (WP 0071). Check for open.
position?
Install switch and check for continuity.
YES
Refer to Malfunction One Transmission
(Right or Left) Works Correctly and the
Other Does Not in this WP.