Fayat Group BOMAG BW 27 RH-4i, Service Manual, Page: 3 / 41

Table of Contents
BOMAG 3 008 922 89
General 7
1.1 Introduction 8
1.2 Safety regulations 9
1.3 General repair instructions 14
1.4 Tightening torques 28
Pneumatic tires rollers 33
2.1 Rubber tire roller 34
Technical data 37
3.1 Technical data 38
Maintenance 43
4.1 General notes on maintenance 44
4.2 Fuels and lubricants 45
4.3 Table of fuels and lubricants 48
4.4 Running-in instructions 49
4.5 Maintenance table 50
Electrics 53
5.1 Overview 54
5.2 Service the battery, check the main battery switch 57
5.3 Main battery switch 58
5.4 Starting with jump wires 59
5.5 Level sensor in diesel tank (R03) 59
5.6 Differential pressure switches hydraulic oil filter, B21and B22 60
5.7 Brake oil temperature switch, B148 60
5.8 Brake pressure switches, B12 and B102 61
5.9 Float switch in water tank, B33 62
5.10 Air filter vacuum switch 63
5.11 Description of indicators and control elements 64
5.12 Fuse assignment 67
5.13 Overview of electric components 71
Electronic modules 87
6.1 Module description A04 89
6.2 Electric module A108 99
Module description A100 103
7.1 Steering column locking module, A100 104
Speedometer Module 107
8.1 Speedometer module 108
Engine electrics 111
9.1 EMR4 system overview 113
9.2 EMR4 system components 117
9.3 Exhaust gas after-treatment 119
9.4 Fuel control unit (FCU) 122
9.5 Injector 123
9.6 Crankshaft speed sensor 124
9.7 Camshaft speed sensor 124
9.8 Rail pressure sensor 125
9.9 EMR coolant temperature sensor 127
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