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Western Star 49X 2020 - User Manual

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47X AND 49X MAINTENANCE MANUAL
Models: 47X
49X
STI-507-3 (09/10/2021)
Published by
Daimler Trucks North America LLC
4747 N. Channel Ave.
Portland, OR 97217
Printed in U.S.A.
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Summary

General Information

Determining Scheduled Maintenance Intervals: 00-01

How to determine appropriate maintenance schedules based on vehicle usage.

Initial Maintenance (IM) Operations: 00-04

Tasks to be performed during the initial maintenance interval.

M1 Maintenance Interval Operations: 00-05

Maintenance tasks for the M1 interval.

M2 Maintenance Interval Operations: 00-06

Maintenance tasks for the M2 interval.

M3 Maintenance Interval Operations: 00-07

Maintenance tasks for the M3 interval.

Air Intake

09-01 Air Cleaner Inspection

Procedure for inspecting the air cleaner element and housing for proper function.

Air Compressor

13-00 Safety Precautions

Essential safety measures before working on the air compressor system.

13-01 Air Compressor Inspection

Steps to inspect air compressor intake hoses, coolant lines, and governor.

Alternators and Starters

15-00 Safety Precautions

Safety measures for working with batteries, alternators, and starters.

15-01 Alternator, Battery, and Starter Connections Check

Procedure for checking electrical connections for corrosion and tightness.

Engine Cooling;Radiator

20-00 Safety Precautions

Safety guidelines for working on the engine cooling system.

20-01 Pressure Relief Cap Check

How to inspect the pressure relief cap for proper function and seal.

20-02 Radiator Pressure Flushing and Coolant Change

Steps for flushing the radiator and changing the coolant.

20-03 Fan Clutch Check (Noise Emission Control)

Procedure for checking the fan clutch for wear and proper operation.

Clutch

25-00 Safety Precautions

Safety precautions for working on the clutch system.

25-01 Clutch Release Bearing Lubrication

Steps for lubricating the clutch release bearing.

25-02 Fluid Level Check, Hydraulic Clutch Control

How to check the fluid level in the hydraulic clutch control system.

25-03 Fluid Change, Hydraulic Clutch Control

Procedures for changing the hydraulic clutch control fluid.

Transmission

26-01 Detroit Automated Transmission Fluid Change and Magnetic Plug Cleaning

Procedure for changing fluid and cleaning magnetic plugs on Detroit transmissions.

26-02 Detroit Automated Transmission Fluid Level Inspection

How to inspect the fluid level in Detroit automated transmissions.

26-03 Eaton Fuller Transmission Fluid Change and Magnetic Plug Cleaning

Procedure for changing fluid and cleaning magnetic plugs on Eaton Fuller transmissions.

26-04 Eaton Fuller Transmission Fluid Level Inspection

How to inspect the fluid level in Eaton Fuller transmissions.

26-05 Eaton Fuller Manual Transmission Air Filter;Regulator Check, Cleaning, or Replacement

Maintenance for the air filter/regulator on Eaton Fuller manual transmissions.

Frame and Frame Components

31-00 Safety Precautions

Safety guidelines for working on frame and frame components.

31-01 Fifth Wheel Inspection

Detailed inspection procedures for Holland and Fontaine fifth wheels.

Suspension

Front Axle

33-04 All-Axle Alignment Check

Procedure for checking wheel alignment angles like camber, caster, and toe-in.

Rear Axle

Wheels and Tires

Driveline

Brakes

Steering

Fuel

Exhaust

Electrical, Instruments, and Controls

Cab

Heater and Air Conditioner

Western Star 49X 2020 Specifications

General IconGeneral
BrandWestern Star
Model49X 2020
CategoryTrucks
LanguageEnglish

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