TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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TM 9-2320-280-34 b Change 1 WARNING SUMMARY (Cont'd) • Do not touch hot exhaust system components with bare hands. Severe injury will result. • Diesel fuel is highly flammable. Do not perform any procedure near fires, flames, or sparks. Severe injury or death may result. • Ensure engine compartment is free of all tools and working material before starting engine. Failure to do this may cause injury to personnel or damage to equipment. • Do not remove surge tank filler cap before depressurizing system when engine temperature is above 190°F (88°C). Steam or hot coolant under pressure will cause severe burns. • Do not drain oil when engine is hot. Severe injury to personnel will result. • Allow transmission/transfer case to cool before performing maintenance. Failure to do this may cause injury. • When steam cleaning, protective clothing must be used. Failure to do this may cause injury. • Air pressure must not exceed 50 psi (345 kPa) when air checking forward and direct clutch piston or injury to personnel or damage to equipment may result. • Direct all personnel to stand clear of vehicle before starting engine. Transmission slipping into gear may cause injury to personnel or damage to equipment. • When sanding fiberglass, personal protective equipment (respirator, goggles/shield, gloves, coveralls, etc.) must be used. Failure to do this may cause injury. • Do not operate heater in enclosed areas. Exhaust gases can kill. Make sure work area is well ventilated and exhaust fumes are routed away from test area. • Drycleaning solvent is flammable and will not be used near an open flame. A fire extinguisher will be kept nearby when solvent is used. Use only in well-ventilated places. Failure to do this may result in injury to personnel or damage to equipment. • Always wear eye protection around R-12, or when servicing the air-conditioning system. Exercise extreme care when handling R-12, direct contact between R-12 and skin may cause frostbite. Never smoke in areas where R-12 is used or stored. Ensure adequate ventilation whenever R-12 is being discharged. Personnel with a history of cardiac rhythm abnormalities should be made aware of potential aggravation as a result of exposure to R-12. Failure to do so may result in injury to personnel. • Do not attempt to connect servicing equipment while engine is running. Injury to personnel or damage to equipment may result. • Gaskets installed on some 6.2L engines assembled prior to 1991 may contain asbestos. Gaskets should be removed with a scraper or putty knife then disposed of IAW current directives. Inhalation of asbestos fibers can cause respiratory ailments. • Air-conditioning system must be discharged prior to replacing components. Failure to do this may result in injury to personnel or damage to equipment.