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TM 9-5130-338-12&P
4-20. FINAL INSPECTION.
Final inspection is performed after all repairs have been completed and hydraulic impact wrench has been assembled.
Inspection includes a general visual examination of hydraulic impact wrench and a functional check to ensure hydraulic
impact wrench is operating properly.
a. Function and appearance of hydraulic impact wrench should approximate that of a new hydraulic impact wrench.
b. Inspect hydraulic impact wrench to ensure all components are properly assembled and secure. Inspect
nameplate for legibility.
4-21. MOTOR TEST PROCEDURE.
a.
Test hydraulic impact wrench with applicable equipment that is ordinarily used to power it. Refer to applicable
vehicle operating manual for flow output and torque settings.
WARNING
To prevent injury to personnel, operate hydraulic impact wrench beginning at lowest torque
setting.
b.
Operate hydraulic impact wrench in accordance with paragraph 2-6 and applicable vehicle manual.
c.
Check for leaks and proper operations.
Section VI. PREPARATION FOR STORAGE OR SHIPMENT
4-22. GENERAL.
If hydraulic impact wrench is to be stored for a period of less than 30 days, no special care or preservation measures are
necessary, except that it should be stored in a dry place and the hydraulic fluid openings plugged to prevent access of
any foreign objects. However, if hydraulic impact wrench is to be stored for a period exceeding 30 days, carry out the
following procedure.
a.
Remove hydraulic fluid hoses from hydraulic impact wrench and drain as much fluid as possible from motor
section of hydraulic impact wrench.
b.
Disassemble impact head from motor section and carefully clean all lubricant from parts in impact head. Do not
disassemble motor section.
c.
Immerse parts of impact head and motor assembly in lubricating oil (Appx. C, item 15) for 10 minutes.
d.
Assemble hydraulic impact wrench and remove all traces of lubricating oil from exterior painted surface of
hydraulic impact wrench.
e.
Pour lubricating oil (Appx. C, item 15) in both hydraulic connection ports and seal them with pipe plugs.
f.
Attach a tag reading "PREPARED FOR STORAGE ON (date), DRAIN AND LUBRICATE BEFORE USE" on
hydraulic impact wrench and seal hydraulic impact wrench in suitable waterproof container.
4-23
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