3
ZDE 199 007 105 03/2013
Foreword Table of contents
Sensor-enabled fifth wheel couplings are parts that
must comply with very high safety requirements.
This repair manual is designed to act as a guide to
completing repair work on our sensor set.
It is essential that you use JOST spare parts.
Modifications of any kind will render both the
warranty and the type approval void.
Operation and installation are described separately
in dedicated publications.
1 Safety instructions 4
2 Correct use 5
2.1 Usage 5
2.2 Specification 5
3 General 6
4 Standard and special tools and
auxiliary materials 7
4.1 Standard tools 7
4.2 Special tools 7
4.3 Auxiliary materials 7
5 Checking the function of the sensors 8
5.1 Troubleshooting 8
5.2 Basic settings and visual inspection 9
5.3 Diagnostic tester 11
6 Repair work 14
6.1 Preparing the fifth wheel coupling 13
6.2 Removing the cable ties 14
6.3 Removing the semi-trailer sensor 16
6.4 Fitting the semi-trailer sensor 17
6.5 Removing the connecting socket 18
6.6 Removing the kingpin sensor 19
6.7 Fitting and adjusting the
king pin sensor 19
6.8 Removing the locking sensor
JSK 40/JSK 42 20
6.9 Fitting the locking sensor JSK 42 21
6.10 Removing the locking sensor JSK 37 22
6.11 Fitting the spare part - creating a
repair drill hole 22
6.12 Add-on parts for locking sensor
JSK 37 24
7 Disposal instructions 24
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