Krystal Enterprises
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► inspect engine air fi lter
► replace engine and frame mounted fuel fi lters
► inspect steering linkage, suspension, ball joints, driveshafts, and driveshaft guards
► inspect engine cooling system and hoses
► inspect brake system
► inspect exhaust system and heat shields
► inspect automatic transmission fl uid and external fi lter element
► check wheels for end play and noise
► inspect and lubricate 4 x 2 ball joints (E-450 only)
► inspect and lubricate steering idler arms
► replace cabin air fi lter, if equipped
► inspect half shaft boots, if equipped
► re-inspect torque settings on Ridewell Suspension System
► clean air compressor intake fi lter
► lube door seals with silicon spray, check for proper sealing
► check air system for leaks, and electrical connections
► lube Vapor door rotary drive mechanism
► check the torque of all door hardware on Vapor door systems
AT 20,000 MILES/2400 HOURS DO THE FOLLOWING:
► change engine oil and replace oil fi lter
► inspect tires for wear and inspect tread depth
PREVENTIVE MAINTENANCE SCHEDULE
Summary of Contents for Econline Super Duty Chassis 450 1998 Series
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