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BUCKET ROLLBACK CYLINDER DRIFTS.
Up
TM-5-2420-224-20-1 Tractor Wheeled 4x4 DED Small Emplacement Excavator (SEE) and High Mobility Material Handler (HMMH) Manual
Next
LOAD DROPS WITH CONTROL VALVE IN NEUTRAL.
TM 5-2420-224-20-1
Table 3-5. Troubleshooting (Cont)
Malfunction
Test or Inspection
Corrective Action
FRONT LOADER (SEE) (CONT)
NOTE
During steps e and j, there may be a small amount of hydraulic oil leaking, either drops
or a small stream the diameter of a pencil lead. This is normal. Use drip pan to catch
oil.
e. Move bucket control lever to rollback position. Hold lever in rollback
position and have assistant check for leaks from fitting (3) at rod end of
each bucket rollback cylinder (2).
If there is excessive leakage from fitting, replace bucket
rollback cylinder (page 4-656).
If there is not excessive leakage from fitting, go to step f.
f.
Stop engine. Remove threaded plugs and connect hose (1).
g. Start engine. Place front loader in transport position.
h. Place bucket in dump position. Stop engine.
i.
Disconnect hose (4) from cylinder end of each bucket rollback cylinder
(2) and install threaded plugs.
Start and run engine at idle. Move bucket control lever to dump position.
j.
Hold lever in dump position and have assistant check for leaks from
fitting (5) at cylinder end of each bucket rollback cylinder (2).
If there is excessive leakage from fitting, replace bucket
rollback cylinder (page 4-656).
If there is not excessive leakage from fitting, notify direct
support maintenance.
3-321

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