LOCKOUT CYLINDERS DO NOT LOCK WHEN SUSP LOCKED/UNLOCKED VALVE IS TURNED TO LOCKED.

TM 9-2350-238-20-1

Table 2-3. UNIT TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

84. LOCKOUT CYLINDERS DO NOT LOCK WHEN SUSP LOCKED/UNLOCKED VALVE IS

TURNED TO LOCKED.

Step 1.

Check lockout cylinder lines and fittings for leaks.

Tighten loose plugs and fittings.

b. Replace worn or damaged parts as required. Refer to page 2-894

Check for damaged lockout cylinder.

Step 2.

Replace as required. Refer to page 2-883.

Check for air in lockout system. Cycle SUSP LOCKED/UNLOCKED valve

Step 3.

several times to force out air.

If problem still exists, bleed suspension hydraulic system. Refer to

TM 9-2350-238-10.

Step 4.

Check for worn or damaged pressure reducer and relief valve assembly.

Replace reducer and/or relief valve assembly as required. Refer to

Step 5.

Check for restriction in hydraulic line or SUSP LOCKED/UNLOCKED valve.

Remove restriction or replace hydraulic line or SUSP LOCKED/

Check for low hydraulic pressure in lockout cylinder. Refer to page 2-883.

Step 6.

If hydraulic pressure is low, notify direct support maintenance.

85. LOCKOUT CYLINDERS DO NOT RELEASE WHEN SUSP LOCKED/UNLOCKED VALVE IS

TURNED TO UNLOCKED.

Check for damaged lockout cylinder.

Step 1.

Replace lockout cylinder as required. Refer to page 2-883.

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