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Western Star 47X 2020 - User Manual

Western Star 47X 2020
166 pages
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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

Determining the correct maintenance intervals based on vehicle service type and operating conditions.

Service Schedule Table

Table outlining maintenance schedules for short-haul and long-haul transport.

Vehicle Maintenance Schedule Table

Detailed table showing maintenance intervals for Service Schedule I.

M1 Maintenance Interval Operations

List of maintenance operations for the M1 interval.

M2 Maintenance Interval Operations

List of maintenance operations for the M2 interval.

M3 Maintenance Interval Operations

List of maintenance operations for the M3 interval.

Air Intake

Air Cleaner Inspection

Procedure for inspecting the air cleaner restriction indicator and housing.

Air Compressor

Air Compressor Inspection

Inspection of air compressor intake hoses, connections, and coolant lines.

Alternators and Starters

Alternator, Battery, and Starter Connections Check

Checking electrical connections for corrosion, tightness, and damage.

Engine Cooling;Radiator

Radiator Pressure-Flushing and Coolant Change

Procedure for flushing the cooling system and changing coolant.

Transmission

Detroit Automated Transmission Fluid Change and Magnetic Plug Cleaning

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

Eaton Fuller Transmission Fluid Change and Magnetic Plug Cleaning

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

Frame and Frame Components

Fifth Wheel Inspection

Inspection of fifth wheel assembly, brackets, and parts for damage.

Fifth Wheel Lubrication

Lubrication procedures for fifth wheel components.

Suspension

Suspension Inspection

Inspection of front and rear suspension components.

Suspension U-Bolt Torque Check

Checking and tightening U-bolt nuts to specified torque values.

Front Axle

All-Axle Alignment Check

Checking alignment of front and rear axles, including camber, caster, and toe-in.

Steering Angle Checking and Adjusting

Checking and adjusting front wheel steering angle.

Rear Axle

Axle Lubricant and Filter Change, and Magnetic Strainer Cleaning

Procedure for changing axle lubricant, filter, and cleaning magnetic strainer.

Axle Breather and Axle Lubricant Level Inspection

Checking axle breather and lubricant level.

Wheels and Tires

Wheel Nut Check

Checking wheel nut torque and tightening sequence.

Tire Check

Inspecting tires for abnormal wear, damage, or pressure issues.

Driveline

Driveline Inspection

Inspection of U-joints, yokes, flanges, and shafts for wear or damage.

Driveline Lubrication

Lubrication procedures for U-joints and slip joints.

Brakes

Bendix Air Dryer Desiccant Replacement

Procedure for replacing the desiccant cartridge in Bendix air dryers.

Brake Inspection

Inspection of parking brake operation and air disc brake components.

Steering

Drag Link Inspection

Inspection of drag link ball stud ends and castle nut.

Power Steering Fluid and Filter Change

Procedure for changing power steering fluid and filter.

Fuel

Fuel Filter Replacement

Procedure for replacing engine-mounted fuel filters.

Fuel;Water Separator Element Checking and Replacement

Procedure for checking and replacing fuel/water separator elements.

Exhaust

Exhaust System Maintenance

Checking exhaust system for leaks, binding, grounding, and vibrations.

Diesel Exhaust Fluid (DEF) Filter Replacement

Procedure for replacing the DEF filter in the DEF pump.

Electrical, Instruments, and Controls

Trailer Cable Inspection and Cleaning

Inspecting trailer electrical cables and sockets for damage and corrosion.

Electrical Component Inspection

Inspecting electrical components for dirt, mounting, and connections.

Cab

Cab Shock Absorber Bracket Torque Check

Checking torque of cab shock absorber upper bracket bolts.

Heater and Air Conditioner

Air Conditioner Inspection

Inspection of AC compressor, pulley, drive plate, hoses, and fittings.

Air Filter Replacement

Procedures for replacing cab, recirculation, and sleeper air filters.

Dual HVAC System Inspection

Inspection of the dual HVAC system, heater, and A/C condenser.

Western Star 47X 2020 Specifications

General IconGeneral
BrandWestern Star
Model47X 2020
CategoryTrucks
LanguageEnglish

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