TM-9-2510-247-13-P
FIFTH WHEEL TOWING DEVICE MODEL 250M
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT MAINTENANCE MANUAL, REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2004
TM-9-2510-247-13-P - Page 127 of 522
TM 9-2510-247-13&P
0024 00
TABLE 1.
OPERATOR TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
HYDRAULIC SYSTEM
1. HYDRAULIC FUNCTIONS SLOW OR INOPERATIVE
Step 1.
Check that ELECTRIC POWER ON/OFF Switch is in ON position (WP 0005).
Step 2.
Check outside temperature.
If temperature is less then 0°F (-17°C), hydraulic oil may not flow easily.
Step 3.
Check hydraulic reservoir oil level (Figure 104, WP 0056 00-5).
Step 4.
Check hydraulic operating pressure (WP 0002 00-7).
Notify Unit Maintenance if pressure is below operating limits.
Step 5.
Check hydraulic valves, tubes and hoses for leaks.
Tighten loose connections.
Notify Unit Maintenance of damaged or defective components.
2. HYDRAULIC FUNCTIONS DO NOT OPERATE WITH REMOTE CONTROL
Step 1.
Check that all electrical switches are set in the correct position (WP 0005).
Step 2.
Check electrical connections at cable receptacles on electrical control box.
Reconnect cables if not properly connected.
Step 3.
Operate hydraulic functions from valve lever controls (WP 0005).
If hydraulic operations function, notify Unit Maintenance.
END OF WORK PACKAGE
0024 00-3
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