Mack Maintenance and Lubrication - Maintenance, Lubrication and Emissions Information for Mack Chassis-Powered Trucks with LNG Engines

Oct 25, 2026

Preventive maintenance guidance for Mack Class 8 highway chassis powered by Liquefied Natural Gas (LNG) engines, covering proper maintenance, lubrication, and essential emissions information. The manual organizes maintenance into four schedules with intervals based on miles/kilometers, operating hours, or days, and provides service instructions, specifications, and capacities for quick reference. Safety information emphasizes reading and following procedures, using recommended tools, and observing advisory labels to reduce hazards, prevent vehicle damage, and maintain reliable, cost-effective operation.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages322

Reading Time13 h 31 min

AccessFree to download

Maintenance and Lubrication

Introduction

Safety Information

Advisory Labels

Vehicle Break-in

Daily Inspection

Preventive Maintenance Program

Noise Emission Control

Road Test

Chassis Inspection

Specific Maintenance

Fastener Sizes, Types and Grades

Fan Belts

Cooling System

Cold Weather Operation

Air Conditioner Maintenance

Air Cleaner Maintenance

Turbochargers

CMCAC

Fuel System

Crankcase Breather Filter

Electrical System

Lubricant Change Intervals

Lubricant Change Procedures

Carriers

Wheel Bearings

Kingpin Lubrication

Lubrication Chart

Spring

NOV DEC 0CT SEP AUG JUN|JUL VAY ddV MAR EB JAN NT MAINTENANCEANDLUBRICATION TS49400 MAINTENANCEAND LUBRICATION FORMACK®DIESELPOWERED TRUCKS Operation,maintenance,lubrication and emissions information appli-cable to MACK chassis powered by Liquefied Natural Gas (LNG)engines will be found in a separate manual designated as TS814.Availability of this manual to be announced. The information supplied in this manual is not all-inclusive,and cannottake into account all unique situations. The information,specifications and illustrations in this publication arebased on information that was current at the time of publication,andare subject to change without prior notification. No part of this publication may be reproduced,photocopied orrecorded,stored in a retrieval system,or be transmitted in any form,orby any means,either mechanical,electronic,or otherwise without theprior written consent of Mack Trucks,Inc. ◎MACK TRUCKS,INC.1999 MAINTENANCE AND LUBRICATION Figure 1—Mack Truck Applications INTRODUCTION Preventive maintenance is vital to the life of your new MACK truck.This manual explains the proper preventive maintenance and lubrica-tion procedures which should be used on all MACK Class 8 highwaychassis. The MACK Preventive Maintenance and Lubrication program outlinedin this manual is designed to ensure a long and productive life fromyour truck.The program is divided into four maintenance schedules,each addressing tems which require periodic inspections to ensureefficient,reliable and trouble-free operation.To allow flexibility in devel-oping a maintenance routine suitable to your operating requirements,maintenance intervals in this manual are arranged in miles/kilometers,hours or days of operation.Maintenance instructions,specificationsand capacities are outlined for quick and easy reference.The servicemanager at your MACK distributor will be happy to assist in customiz-ing a maintenance program tailored to your operating requirements. Following the MACK Preventive Maintenance Program is highlyrecommended to all operators of MACK vehicles because it is the keyto lower operating costs both in time and money.The bottom line to awell-run maintenance program is less downtime and increasedprofitability. # SAFETY INFORMATION MACK cannot anticipate every possible occurrence which may involvea potential hazard.An accident can be avoided by recognizing poten-tially hazardous situations before an accident occurs.Correctly per-formed service procedures are critical to technician safety and theconsequent safe,reliable operation of the vehicle. Do not perform any service procedures or lubrications until this manualhas been read and understood. Some service procedures may require the use of special toolsdesigned for a specific purpose.These tools must be used in the man-ner described in the instructions.Anyone using a procedure or tool notrecommended in this manual must realize he is jeopardizing his safetyand the safe operation of the vehicle.ndividuals deviating from theinstructions set forth in this manual assume all risks of personal injuryor damage to equipment. # MAKE SAFETY FIRST... ...AND MAKE IT LAST # ADVISORY LABELS Cautionary signal words (Danger-Warning-Caution)may appear in variouslocations throughout this manual.Information accented by one of thesesignal words must be observed to minimize the risk of personal injury toservice personnel,or the possibility of improper service methods whichmay damage the vehicle or cause it to be unsafe.Additional Notes andService Hints are used to emphasize areas of procedural importance andprovide suggestions for ease of repair.The following definitions indicate theuse of these advisory labels as they appear throughout the manual: !DAN GER Activities associated with Danger indicate that deathor serious personal injury may result from faillng toheed the advisory.Serious personal injury may beequated to career-ending injury.

FAQs

What is the purpose of the preventive maintenance program in this manual?

It explains proper preventive maintenance and lubrication procedures to support long, productive truck life and efficient, reliable operation.

How are maintenance intervals organized?

Maintenance schedules use intervals arranged in miles/kilometers, hours, or days of operation to match operating requirements and inspection needs.

Why is reading and understanding the manual before servicing important?

The manual stresses that correctly performed service procedures are critical to technician safety and safe, reliable vehicle operation, and that unsafe outcomes can occur if procedures are not followed.

Oct 25, 2026

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