TM 5-2350-262-20-3
3
APRON WILL NOT RAISE (CONTINUED)
1
Check apron for interference.
Is the apron binding or jammed as a
result of damage to apron or hull?
NO
YES
2
Perform apron control valve
pressure test.
3
Is hydraulic pressure at circuit 19
less than 2,000 psi (13,790 kPa)?
Clear obstructions and
repair mechanical damage.
NO
YES
To block 7
4
Perform relief valve adjustment.
Can circuit 19 relief valve be set to develop
3,500 psi (24,131 kPa)?
YES
NO
5
Verify problem is solved.
6
Replace directional control valve
bank.
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