PREVENTIVE MAINTENANCE INTRODUCTION LubricaƟon and service performed at regular intervals will keep MAC Trailer pneumaƟc tank trailer in top operaƟng condiƟon for the longest period of Ɵme. The importance of regular inspecƟon cannot be over- emphasized. Making necessary adjustments, Ɵghtening nuts and bolts, checking air lines, lights and wiring connecƟons will help prevent serious trouble and delays on the road. The driver is the first line of defense in PrevenƟve Maintenance. A conscienƟous and alert operator will promptly report all need for adjustment or repair. A vehicle safety check should be performed daily prior to operaƟon. LUBRICANTS MAC Trailer does not offer a list of approved lubricants or guarantee lubricant performance. The responsibil- ity for the quality of any lubricant rests solely with the distributor or manufacturer of the lubricant. DELIVERY INSPECTION All units are thoroughly tested and inspected at the MAC Trailer factory. As an added pre-cauƟon, the fol- lowing items should be double checked upon delivery.
Axles……………………………………………………………………….… Check king pin alignment Wheels…………………………………………………………………………...Check wheel lug torque Brakes……………………………………………Check for proper operaƟon and adjustment Lights and Wiring……………………………………………Check lights for proper operaƟon Air Spring Bolts……………………………………………………………..Check for proper torque Shock Absorber Bolts………………………...…………………………Check for proper torque Suspension Pivot ConnecƟon Bolts…………………………….…Check for proper torque Piping………………………………………………………………………………………...Check for leaks Manhole Cover………………………Check clamping device for proper cover closure Landing Leg Support Bolts…….……………………………...…….Check for proper torque Front and Rear Structure Bolts………………………………….…Check for proper torque
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