MAINTENANCE INTRODUCTION

Preventive maintenance vital the life your new vehicle. This section the Operator ’ s Handbook covers items importance concerning the proper care MACK vehicles. A well - run maintenance and lubrication program the best way ensure a long life productive operation.

The operator plays important role the proper care this performing daily checks and observing the equipment while minor defects can caught and corrected before they become major Make sure any problems are corrected before putting the equipment into you have any questions concerning the proper care, maintenance and lubrication your vehicle, you need help developing a preventive maintenance program, contact the service manager the local MACK Sales, Parts and Service Center .

Note: This handbook contains basic maintenance information. For complete maintenance and lubrication refer the Maintenance and Lubrication Manual

Turbocharger

The engine turbocharger operates very high speed, temperatures and T urbo bearing lubrication particularly for a newly installed turbo one which has not been operated for a period time and all oil has drained from the bearing and shaft T o avoid turbocharger bearing the following instructions are recommended:

• Start the engine least every days ensure turbo bearing lubrication. Operate engine low idle for least three minutes before increasing RPM driving the

• the engine has not been run for more than days, turbo pre - lube procedure necessary:

Remove turbo air intake duct and oil line connection turbo.

Fill oil inlet fitting overflow with clean engine oil.

Using fingers compressor carefully spin and wiggle the turbo shaft distribute the oil over all bearing

Reconnect air intake duct and again fill turbo oil port overflow , connect oil line and start engine.

Operate engine low idle for least three minutes before increasing RPM driving the