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Page Title: CLEANING AND INSPECTION
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TM 5-2420-222-34 14-23. BACKHOE STABILIZER CYLINDER ASSEMBLIES REPAIR (Con’t). 13. Remove  packing  assembly  (5)  and  preformed  packing  (6)  from  piston  (7).    Discard  packing  assembly  and preformed packing. 11. Using retaining ring pliers, remove retaining ring (8) from rod guide (16). 12. Remove rod packing (18), wear ring (17), two preformed packings (14 and 15), and wiper seal (12) from rod guide (16).  Discard rod packing, wear ring, preformed packings, and wiper seal. CAUTION Do not remove sleeve bushings unless damaged.  Removal may damage parts. 13. Drive sleeve bushings (9 or 19) out of piston rod (10) or actuating cylinder (1). b. CLEANING AND INSPECTION WARNING Dry cleaning solvent, P-D-680, is toxic and flammable.  Always wear protective goggles and gloves, and use only In a well-ventilated area.  Avoid contact with skin, eyes, and clothes, and DO NOT breathe vapors.  DO NOT use near open flame or excessive heat.  The solvent's flash point is 100°F-138°F (38°C-59°C). If you become dizzy while using cleaning solvent, immediately get fresh air and medical  help.    If  solvent  contacts  eyes,  Immediately  wash  your  eyes  and  get medical aid. Compressed   air   used   for   cleaning   or   drying   purposes,   or   for   clearing restrictions,  should  never  exceed  30  psi  (207  kPa).    Wear  protective  clothing (goggles/shield, gloves, etc.  ) and use caution to avoid injury to personnel. 1. Clean all metal parts with rags dampened with dry cleaning solvent.  Dry thoroughly with compressed air. 2. Inspect actuating cylinder for cracks, breaks, chips, and excessive scoring inside actuating cylinder. 3. Inspect piston rod for cracks, breaks, and excessive scoring. 4. Inspect sleeve bushings for cracks, breaks, and excessive scoring. 5. Inspect all metal parts for cracks, breaks, and abnormal bends. 6. Inspect all threaded parts for damaged threads. c. REPAIR 1. Remove any minor scoring from actuating cylinder (5) or piston rod (11) using 600 grit abrasive cloth. 2. Restore damaged threads using pipe threading or screw threading set. 14-113

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