TM 10-3930-669-20 VISUAL INSPECTION Inspect mast assembly and lift cylinders. (a) If mast assembly is damaged, mast assembly    is    faulty.        Notify    DS Maintenance. (b) If lift cylinder(s) leaks, lift cylinder(s) is faulty.  Notify DS Maintenance. (c) If  mast  assembly  is  not  damaged and  lift  cylinders  do  not  leak,  fault not   corrected.      Repeat   procedure and notify Supervisor. VERIFY REPAIR (1) Start engine (TM 10-3930-669-10). (2) Operate  mast  lift  cylinders  and  observe operation. (a) If  mast  does  not  raise  and  lower, fault  not  corrected.    Perform  Step (3)  below.    Repeat  procedure  and notify Supervisor. (b) If    mast    raises    and    lowers,    fault corrected. (3) Shut down engine. 2-467

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