TM 5-2420-230-10
Table 3-4. Troubleshooting Table. (Continued)
Malfunction
Test or Inspection
Corrective Action
14.
SLOW HYDRAULIC FUNCTIONS OR NO HYDRAULIC FUNCTION.
Step 1.
Check hydraulic oil level (1).
If there is still no hydraulic function, notify Unit maintenance.
Step 2.
Check for collapsed lines.
If any lines are collapsed, notify Unit maintenance.
Step 3.
If hydraulic functions are still slow, ensure engine speed is set correctly.
Step 4.
Warm the hydraulic oil by operating the system.
If hydraulic function is still slow, notify Unit maintenance.
Step 5.
Check for an ECU fault at joystick indicator lights.
If lights are blinking, ECU is reporting fault code(s). Notify Unit maintenance.