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Page Title: CLEANING AND INSPECTION
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TM 5-2420-222-34 14-24. LOADER BUCKET CYLINDER ASSEMBLIES REPAIR (Con’t). 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 cylinder for cracks, breaks, chips, and excessive scoring inside 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. d. REPAIR 1. Remove any minor scoring from cylinder (1) or piston rod (9) using 600 grit abrasive cloth. 2. Restore damaged threads using pipe threading or screw threading set. d. ASSEMBLY NOTE Perform step 1 only if sleeve bushings were removed. 1. Drive sleeve bushings (8 or 19) in piston rod (9) or cylinder (1). 2. Coat  new  V-packing  (17),  new  wear  ring  (16),  new  preformed  packing  (14),  new  backup  washer  (13),  and  new seal (11) with hydraulic fluid. 3. Install V-packing (17), wear ring (16), preformed packing (14), backup washer (13), and seal (11) in place on rod guide (15). 4. Using retaining ring pliers, install retaining ring (18) in rod guide (15). 5. Install nut (10), retaining ring (12), and rod guide (15) with assembled parts in place on piston rod (9). 6. Coat new preformed packing (6) and new V-packing (5) with hydraulic fluid. 7. Install preformed packing (6) and V-packing (5) in place on piston (7). 14-118

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