TM-5-2350-262-20-3
ARMORED COMBAT EARTHMOVER (ACE), M9
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL; VOLUME 3 OF 3; HYDRAULIC TROUBLESHOOTING TEST PROCEDURES
TM-5-2350-262-20-3 - Page 170 of 319
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TM 5-2320-262-20-3
OVERHEATED HOSES CHECK
NOTE
Begin this procedure with the engine cold.
•
Start engine and allow to run for about five minutes.
•
As engine warms, carefully feel CONT VLV-19 (1), CONT VLV-20 (2), SPNSN PUMP
DRAIN-7V hose (3), relief VLV-7 tube (4), CONT VLV-21 hose (5), and CON VLV-22 hose
(6) with an ungloved hand.
Hoses should feel warm but not hot.
•
Cycle apron and ejector control levers for total oil flow through the systems.
•
Operate vehicle for 1/2 hour.
Stop and repeat steps 2 and 3 every 10 minutes to check if
an overheated hose or tube can be detected.
•
Stop engine; relieve hydraulic pressure.
WARNING
Before performing any troubleshooting in bowl, move ejector
forward and engage the ejector lock.
Failure to comply may result
in severe injury or death to personnel.
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