Fayat Group Bomag BW 138 AD-5

Questions and Answers

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michael47Aug 20, 2025
Why is my Fayat Group Construction Equipment engine starting poorly or running irregularly?
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  Carla MasonAug 20, 2025
  If your Fayat Group Construction Equipment engine is starting poorly or running irregularly with poor power, consider these possible causes: low battery power, loose or oxidized terminal clamps (check battery charge, clean and tighten clamps, and apply acid-free grease); low fuel supply or a fuel system clogged by paraffin (replace fuel filter, check fuel lines for leaks, use winter fuel); incorrect engine oil viscosity (change the oil); or a dirty air filter (clean or replace it).
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robert04Aug 25, 2025
How to fix excessive exhaust smoke from Fayat Group Construction Equipment?
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  Jamie RoseAug 25, 2025
  To address excessive exhaust smoke in your Fayat Group Construction Equipment, start by checking the engine oil level and drain off any excess if it's too high. Ensure you are using fuel of sufficient quality, as specified for the equipment. Inspect the air filter and clean or replace it if it's dirty. Finally, a defective injection valve could be the cause, and it should be examined by a specialist.
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Katrina HessAug 28, 2025
What to do if Fayat Group Construction Equipment has insufficient engine oil pressure?
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  david00Aug 28, 2025
  If the engine oil pressure warning lamp lights up on your Fayat Group Construction Equipment, indicating insufficient engine oil pressure, first check the engine oil level and fill up if necessary. If the level is adequate, the lubrication system may be leaking and should be examined by a specialist.
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benjaminsmithSep 1, 2025
Why is the charge control light on and the buzzer sounding in my Fayat Group Construction Equipment?
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  Dennis StewartSep 1, 2025
  If the charge control light illuminates and the warning buzzer sounds during operation of your Fayat Group Construction Equipment, it could be due to the generator speed being too low. Check the generator belt for proper tension and replace it if needed. Alternatively, the generator or regulator may be defective and should be examined by a specialist.
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hsanchezSep 4, 2025
What does it mean if LED (a) lights up on Fayat Group Construction Equipment?
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  Craig ZavalaSep 4, 2025
  If LED (a) lights up on your Fayat Group Construction Equipment, it indicates that the Economizer is unable to read a calibration value when starting, which blocks measuring operations. Try restarting the Economizer by turning the ignition key back to position “0” and then again to position “I”. If the LED (a) remains on, inform our Customer Service Department.
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Amanda CarlsonSep 8, 2025
What does it mean if LED (a) flashes on Fayat Group Construction Equipment?
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  Ryan ChavezSep 8, 2025
  If LED (a) is flashing on your Fayat Group Construction Equipment, it could indicate that the acceleration sensor is not connected. Check the connection of the acceleration sensor. It could also mean a cable breakage, in that case inform our Customer Service Department.
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Desiree NunezNov 12, 2025
How to start Fayat Group Construction Equipment when the engine won't start?
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  hfernandezNov 12, 2025
  If your Fayat Group Construction Equipment's engine won't start, several factors could be at play. First, check if the fuel tank is empty and refuel if needed, remembering to bleed the fuel system. Inspect the fuel filter for clogs, especially in winter when paraffin separation can occur, and replace it or use winter fuel. Leaking fuel lines could also be the culprit; examine all line connections for leaks, tighten the fittings, and bleed the fuel system. Ensure the battery is charged and properly connected by tightening the terminal clamps and checking cable connections. Other potential issues include a defective starter (have it examined by a specialist), a locked emergency stop push button (unlock it), or overheating moving parts due to lack of lubrication (check and correct the engine ...
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Michelle PattersonNov 15, 2025
What to do if Fayat Group Construction Equipment engine is overheating?
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  Erika FigueroaNov 15, 2025
  If your Fayat Group Construction Equipment engine is overheating and needs immediate shutdown, there are several possible causes to investigate: * Check if the cooling fins on the radiator are extremely dirty and clean them. * Verify the engine oil level and fill it up if necessary. * Inspect for a lack of coolant, checking all pipes and hoses for leaks and ensuring the coolant level is adequate; top up if needed, but avoid using radiator sealant. * Examine the anti-freeze concentration, ensuring it's at the specified mixing ratio. * See if the air filter is dirty and clean or replace it. * The thermostat may be defective, so check it and replace if necessary. * The interior parts of the radiator might be corroded, requiring cleaning or replacement. * Ensure there is suffi...

Summary

Introduction

Foreword

Provides an overview of BOMAG machines and the importance of the operating instructions for safe operation.

Machine Type Plates

Details the machine and engine type plates for identification and reference.

Technical Data

Dimensions

Presents the key dimensions of the machine in millimeters and inches.

Weights

Lists the operating weights of the machine including ROPS and average static linear load.

Noise and Vibration Data

Provides noise and vibration data determined according to specific guidelines and standards.

Concerning Your Safety

Basic Prerequisites

Outlines general safety requirements, including intended use and operator qualifications.

Fundamentals for Safe Operation

Covers remaining dangers, safety inspections, and modifications to the machine.

Handling Fuels and Lubricants

Details safety and environmental protection regulations for handling fuels and lubricants.

Start-up Procedure

Provides instructions and safety notes for starting the machine's engine.

Driving the Machine; Working Operation

Covers safe driving practices, working with vibration, and parking procedures.

Emergency Procedures

Outlines actions to take in emergency situations like actuating the stop switch or towing.

Indicators and Control Elements

Driver’s Stand Overview

Provides an overview of the controls and indicators located at the driver's stand.

Starter Switch

Explains the operation and positions of the starter switch.

Travel Levers

Details the functions and operation of the right and left travel levers.

ECONOMIZER Display

Describes the ECONOMIZER display for compaction status and its operation.

Checks Prior to Start Up

Notes on Safety

Highlights critical safety notes before performing pre-start checks.

Visual Inspections and Function Tests

Lists essential visual checks and function tests to perform before starting the machine.

Checking Engine Oil Level

Provides step-by-step instructions for checking the engine oil level.

Checking Hydraulic Oil Level

Details the procedure for checking the hydraulic oil level using the dipstick.

Checking Coolant Level

Explains how to check the coolant level in the compensation tank.

Operation

Starting the Engine

Covers the procedure for starting the machine’s engine safely.

Travel Operation

Describes safe practices for driving the machine and managing travel speed.

Working with Vibration

Explains how to safely operate the vibration system and its modes.

Water Spraying System

Details the operation of the water spraying system for dust suppression.

Parking the Machine in Secured Condition

Provides instructions for safely parking and securing the machine.

Chip Spreader Operation

Covers mounting, removing, filling, and working with the chip spreader.

Loading; Transporting the Machine

Prepare for Transport

Steps to prepare the machine for safe transport.

Loading the Machine

Instructions for safely loading the machine onto a transport vehicle.

After Transport

Procedures to follow after the machine has been transported.

Maintenance

Preliminary Remarks and Safety Notes

General safety guidelines and remarks before performing maintenance.

Fuels and Lubricants

Details on recommended fuels, lubricants, and their specifications.

Every 250 Operating Hours

Maintenance tasks to be performed every 250 operating hours.

Every 1000 Operating Hours

Maintenance tasks to be performed every 1000 operating hours.

Every 2000 Operating Hours

Maintenance tasks to be performed every 2000 operating hours.

Air Filter Maintenance

Instructions for checking and maintaining the air filter.

Troubleshooting

Preliminary Remarks

General guidance on troubleshooting machine malfunctions.

Engine Faults

Lists common engine faults, their possible causes, and remedies.

Fuse Assignment

Details the location and assignment of fuses in the central electrics.

Disposal

Final Shut-down of Machine

Procedure for the final shut-down and disassembly of the machine.