Repair Manual MSG 90.6PG Commercial Vehicles, Omnibuses – November 2017
Material no. 1153450_c
2.2
Functional test
Page 1 of 6
TABLE OF CONTENTS
A functional test is used to circumscribe all possible malfunctions; it must be performed before and after repair work on the
seat at any rate.
Preconditions for inspection:
• The individual functions are activated in compliance with the instructions of the seat operating instructions.
• The electrical system of the vehicle has been inspected and found to be OK in compliance with the operating instructions.
• Compressed-air reservoir pressure at least 7 bar and max. 10 bar.
Note:
The components mentioned above are illustrated in chapter 2.1, if not stated otherwise in this text.
If there is a difference between the result/specified status and the actual status, please take the measures as
described in the chapter "Causes/remedial measures".
Step
no.
Scope of inspection Function to be operated
Result/specified status
Notes, cause/remedial
measures
1
Seat
Apply load to the driver's seat and
spring it up and down several
times.
No noise.
High lateral stability in
horizontal direction.
See Overview of faults
(Chapter 2.3).
2
Quick lowering of the
seat
Press down the button for quick
lowering of the seat until it locks
into place.
The seat moves down to
its lowest position
(mechanical end stop).
See Overview of faults
(Chapter 2.3).
3
Press down the button for quick
lowering of the seat until it is
released.
The seat moves back to its
original position.
See Overview of faults
(Chapter 2.3).
