TM  10-3930-638-24&P 3-30.   HYDRAULIC   LIFT   SYSTEM   MAINTENANCE   (cont) c.  Sideshift  Cylinder  Assembly. This task covers: a.  Removal b.  Disassembly c. Cleaning d.  Inspection/Repair INITIAL  SETUP TOOLS No. 1 Common Organiza- NSN  4910-00-754-0654 tional  Maintenance  Tool  Kit Hydraulic  Pump  (used  for  testing) MATERIALS/PARTS Cleaning  solvent  P-D-680 Clean cloths Seal  repair  kit e.  Reassembly f.  Testing g.  Installation/Replacement EQUIPMENT   CONDITION Paragraph Condition Description Vehicle  parked  on  level  surface,  engine off,  parking  brake  applied,  mast  vertical, and  forks  resting  on  ground. Control  valve  control  levers  operated several times to relieve hydraulic pressure. Forks shifted to extreme right. 2-56e One end of sideshift chains disconnected Clean hydraulic oil (refer to current lubrication order) from  carriage  and  pulleys  removed  from Medium  grit  emery  cloth side shift cylinder assembly. STEP LOCATION ITEM ACTION REMARKS REMOVAL WARNING Dry cleaning solvent (P-D-680), used to clean parts is toxic and flammable. Wear protective goggles and gloves and use only in a well ventilated area. Avoid contact with skin, eyes, and clothes and don’t breathe vapors. Do not use near open flame or exces- sive heat and don’t smoke when using it. Failure to do so could cause serious injury. If you become dizzy while using cleaning solvent, get fresh air immediately, and get medical attention. If contact with skin or clothes is made, flush with large amounts of water. If contact with eyes is made, wash eyes with water immedi- ately,  and  obtain  medical  aid  immediately. 1 Mast assembly, a. Hose fitting (1 Clean,  loosen, Use  cleaning  solvent  P-D-680 front and  2) disconnect  and cap b. Two 90 degree Remove fittings (3) c. Nut (4), washer Remove (5),  and  retaining ring (6) d. Pin (7) Remove 3-225