![Grammer MSG 90.6PG Скачать руководство пользователя страница 60](http://html1.mh-extra.com/html/grammer/msg-90-6pg/msg-90-6pg_service-and-repair-manual_2254766060.webp)
Repair Manual MSG 90.6PG Commercial Vehicles, Omnibuses – November 2017
Material no. 1153450_c
2.3
Overview of faults
Page 10 of 11
TABLE OF CONTENTS
Fault description
Possible cause
Troubleshooting
Backrest does not fold forwards by itself after
being unlocked.
• Torsion spring is detached.
• Tension spring is broken.
Hang in the torsion spring
(see Chapter 3.30
)
.
Replace the torsion spring
(see Chapter 3.30).
Backrest cannot be unlocked.
• Lever for backrest adjustment is
defective.
• Bowden pull wire for backrest
adjustment is not correctly adjusted.
• Bowden pull wire for backrest
adjustment is torn.
• Backrest locking mechanism is
defective.
Replace the lever for backrest
adjustment (see Chapter 3.13
)
.
Check the Bowden pull wire for
backrest adjustment and adjust it, if
necessary (see Chapter 3.12).
Replace the Bowden pull wire for
backrest adjustment
(see Chapter 3.13).
Replace the bearing support with
backrest locking mechanism
(Chapter 3.32).
Seat fore/aft adjustment does not operate
after pulling or pushing the lever for seat
fore/aft adjustment.
• Particles are between the adjusting
and locking rails.
Clean the seat fore/aft adjustment.