TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
1. BAP CENTER ROLLER AND/OR TRANSLOAD ROLLERS WILL NOT OPERATE
(continued).
NOTE
If center roller does not operate, go to Step 3. If transload rollers do not
operate, go to Step 4. If center and transload rollers do not operate, perform
Steps 3 and 4.
3.
TEST OPTIONS
KNOWN INFO
Visual inspection.
System bled of air.
Does hydraulic fluid
Hydraulic hoses/lines
flow to both center
REASON FOR QUESTION
OK.
roller cylinders?
Hand pump OK.
Fault isolated between
center roller manifold
POSSIBLE PROBLEMS
and center roller
cylinders.
Manifold(s) plugged/
damaged.
Hydraulic cylinder(s)
defective.
Replace center roller
NO
Verify repair; go to Step
5 of this fault.
YES
Replace center roller
Verify repair; go to Step
5 of this fault.
4-26