TM-5-2330-325-13-P
SEMITRAILER, MEDIUM HEAVY EQUIPMENT TRANSPORTER (MHET), 40 TON, M870A3
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JUNE 2014
TM-5-2330-325-13-P - Page 120 of 648
TROUBLESHOOTING PROCEDURE
SYMPTOM
GOOSENECK TILT OR LIFT CYLINDERS WILL NOT EXTEND/RETRACT
MALFUNCTION
HYDRAULIC FLUID LEVEL LOW
CORRECTIVE ACTION
Ensure that towing vehicle hydraulic fluid is at appropriate level.
MALFUNCTION
PTO NOT ENGAGED
CORRECTIVE ACTION
Ensure that PTO is engaged.
MALFUNCTION
HYDRAULIC PRESSURE NOT SUFFICIENT
CORRECTIVE ACTION
1.
Pressure will vary from 300-900 psi (6,205.28 kPa) for normal operation and from 900-1,100 psi
(6,205.28-7584.23 kPa) under a full load.
2.
If pressure reads below 300 psi (2,068.43 kPa), notify Field Maintenance.
MALFUNCTION
WALL PITTING OR OIL LEAKAGE PRESENT
CORRECTIVE ACTION
If severe wall pitting or oil leakage is evident, notify Field Maintenance.
END OF WORK PACKAGE
TM 5-2330-325-13&P
0014
0014-2
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