EJECTOR DOES NOT EXTEND OR RETRACT - Continued
Is transducer T-3 and T-4 hydraulic pressure between 3,950-4,050 psi (27,235-27,925 kPa)?
YES - Verify problem is solved.
NO - Go to Step (6).
Perform main hydraulic pump pressure test using HDC.
Reset all HDC solenoid valves by selecting RESET VALVES button (Figure 10, Item 5) on HDC control
Figure 10. Hydraulic Diagnostic Center (HDC) Control Bank.
· Before performing any troubleshooting in bowl, move ejector forward and disable it
from hydraulic system. Do not operate ejector when personnel are in bowl. Do not
work in bowl unless ejector lock is engaged. Failure to comply may result in severe
injury or death to personnel.
· Do not stand or work in bowl area unless ejector lock is engaged. Do not stand in
bowl to observe roller guide travels. Failure to comply may result in severe injury or
death to personnel.
· When folding dozer blade, work on blade latches from side of vehicle only. Do not
stand in front of dozer blade while retracting ejector. Failure to comply may result in
severe injury or death to personnel.