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Malfunction
Test or Inspection
Corrective Action
TM 9-2320-304-14&P
5-27
Direct Support and General Support Maintenance (Cont)
Table 5-2. Direct Support/General Support Troubleshooting (CONT)
LOAD HANDLING SYSTEM (LHS)
4. HOOK ARM DOES NOT UNLOAD (CONT).
WARNING
·
The LHS hydraulic system operates at oil pressures up to 1,725 psi (11 894 kPa).
Never disconnect any hydraulic line or fitting without first dropping pressure to
zero. Failure to comply may result in serious injury or death to personnel.
·
Fuel and oil are slippery and can cause falls To avoid injury, wipe up spilled fuel or
oil with rags.
·
Do not get under LHS when disconnecting or connecting connectors and hoses. A
hydraulic malfunction could cause LHS to lower causing serious injury or death.
NOTE
·
Hose 2917 is disconnected while installing and removing flowmeter. Hose 2917 must
be connected during test.
·
Shut off engine (TM 9-2320-279-10).
Step 7. Check flow at RH hook arm manifold, port VB with hook arm up completely while holding
joystick in UNLOAD position, while attempting to unload.
If more than 0 gpm (0 lpm) is present, replace RH hook arm cylinder (Para 5-37).
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