6 Welding andFitting Tasks
6.1 Introduction
Typically, a tradesperson, maintenance technician, or someone other than the
installer performs the welding and fitting tasks.
6.2 Installation guidelines
To prepare the machine:
1. Park the machine on level ground.
2. Rest the bucket on the ground with arm fully extended and the bucket uncurled.
6.2.1 Positioning brackets
To minimize the risk of damage to the sensor and cables:
l Keep the sensor away from any machine parts that heat up during operation.
l Ensure that the sensor, harness cable, and bracket are free from obstruction
throughout the full movement of the machine.
Confirm that the cables can reach the sensors:
l Tack the brackets and sensors into place.
l Drape the harness cables over the machine and tack them in place with cable
ties.
Make sure that the position of the bracket enables you to install the sensor with the
connector in the desired direction.
Once you have confirmed the location of the bracket:
1. Mark an outline around the bracket
2. Remove the sensor.
6.2.2 Attaching brackets
WARNING — Disconnect the negative battery terminal before commencing any welding.
Ensure that power is removed from the system by disconnecting the power input cable(s).
Failure to follow this warning may result in electric shock.
When you weld a bracket onto the machine:
42 GCS900 Grade Control System for Excavators Installation Manual
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