Service Training
BW 100 AD/AC Series 4
BW 120 AD/AC Series 4
P/N 008 099 86
STATUS: 03/2004
Service Training
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BW 100/120 AD-3 1
BW 100/120 AC-3
Table of contents
Foreword
A 1
List of additional documentation
A 2
General
A 3
Maintenance
A 4
List of components
B 1
Kubota diesel engine
C 1
View of engine
C 2
Pump installation on diesel engine
C 3
View of diesel engine, flywheel side
C 4
Tests and adjustments
C 5
Adjusting the valve clearance
C 6
Trouble Shooting
C 8
Travel system
D 1
Travel pump
D 3
Travel pump control
D 7
Charge pressure relief valve
D 9
High pressure relief valves
D 10
Drum drive motor
D 12
Wheel drive motors on AC-machines
D 16
Trouble shooting travel system
D 17
Insufficient travel power
D 28
The machine moves with the travel lever in “Neutral”
D 30
Vibration
E 1
Vibration pump
E 3
Vibration control valve
E 4
Vibration motor
E 5
Trouble shooting vibration
E 6
Steering
F 1
Steering valve
F 3
Trouble shooting steering
F 5
Electric circuit diagrams
G 1
Table of contents
G 1
Function groups
G 2
Reference lines, frames
G 3
Potential cross references
G 4
Relay cross references
G 5
List of components
G 5
Electric system
G 6
Service Training
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BW 100/120 AD-4 A 1
BW 100/120 AC-4
Foreword
In 2004 the tandem vibratory rollers of product range BW 100 AD/AC4 and BW 120
AD/AC4 were launched in the market for the first time.
They are a further development of the old BW 100/120AD/AC of generation 3, which
already were a great