TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM 9-2815-202-34 4-10. AIR BOX HEATER c. Cleaning/inspection REPLACEMENT (Cont) WARNING ● ● (1) (2) (3) (4) Dry cleaning solvent P-D-680 Is toxic and flammable. Wear protective goggles and gloves and use only in well-ventilated areas. Avoid contact with skin, eyes, and clothes. Don’t breathe vapors. Do not use near open flames or excessive heat. The flash point is 100 o F-138°F (38°C-50 o C). If you become dizzy while using cleaning solvent, get medical aid. If contact with eyes is made, wash your eyes with water and get medical aid immediately. Compressed air used for cleaning purposes will not exceed 30 PSI. Use only with effective chip guarding and personal protective equipment (goggles/shield, gloves etc.). Clean outside surface of pump with cleaning solvent and dry with compressed air. Inspect electrical terminals for damage or corrosion. Remove corrosion with a wire brush. Inspect pump rotor and body for excessive wear, corrosion, or other damage. Inspect air hose for cuts, tears, kinks, or damage. d. Assembly (1) Install three vanes (26) in eccentric hub (27). (2) Install three screws (24) and cover (25) on air pump (5). Tighten screws securely. (3) If removed, install elbows (4 and 23) to air pump (5). e. Test/Adjustment CAUTION Do not exceed 18 V dc on air pump. Excessive voltage will overspeed air pump and damage pump vanes. NOTE Use fabricated test lead to reduce a 24 V dc power source to 18 V dc and connected in series with positive terminal of power source. (1) Connect an 18 V dc power source to air pump (5). Connect positive lead to terminal (13) marked (+) and negative lead to unmarked terminal (14). 4-24