TSIB 21-08

TECHNICAL SERVICES
INFORMATION BULLETIN
TSIB 21-08 Rev A
October 6, 2021
TO:
All Operators
TITLE:
Kiel AVANE Model Seat Preventative Maintenance
MCI coaches with Kiel AVANCE 2050 model seats
APPLICABILITY:
JX500 - All coaches beginning with MY 2019 with Kiel AVANCE seats.
D4XXX -All coaches beginning with MY 2019 with Kiel AVANCE seats.
Read this entire procedure before beginning work.
Use Safe Shop Practices at All Times.
To avoid personal injury:
a. Proper Personal Protective Equipment (PPE) must be worn. Safety glasses and
protective gloves are required for working with DEF Fluid.
b. Turn the main battery disconnect switch to the OFF position.
c. Ensure that both the front and the rear wheels are chocked.
d. Position the ENGINE RUN and ENGINE START switches on the engine
compartment remote control box to the OFF position.
e. Allow enough time for components to cool down prior to working in the engine
compartment.
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October 6, 2021
1.0
Description
This procedure outlines the recommended preventative maintenance for Kiel AVANCE model seats.
Inspection should be done at the intervals detailed in section 5.0 Appendix. Refer to MCI P/N: 03-11-2802
for the parts list if replacements are needed.
2.0
Material Requirements
No materials are required.
3.0
Special Tools
Torque wrench
T30 Torx bit
T40 Torx bit
10mm hex socket
17mm Socket
13mm wrench
17mm wrench
19mm wrench
4.0
Procedure
4.1
Seatbelt Shoulder and Belt Attachment Bolts
Check torque of top and bottom seatbelt bolts.
Torque to 18 FT-LBS
Torque to 16 FT-LBS
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4.2
Seatbelt Retractor and Buckle Attachment Bolts
Check torque of seatbelt retractor and buckle screws.
Torque to 21 FT-LBS
Torque top to 9 FT-LBS
Torque bottom to 16 FT-LBS
4.3
Female Seatbelt Buckle
Check for damage. Insert male belt latch into the female receipt and ensure it latches. Press the red
release button and remove the belt. The red button should not stick down.
Inspect seatbelt
buckle.
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4.4
Backrest Attachment Bolts
Remove seat cushion to reveal backrest bolts.
Locate backrest
bolts.
Check torque of the backrest bolts and bolt lock nuts
Torque to 30
FT-LBS
Torque to 30
FT-LBS
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October 6, 2021
4.5
Recline Cylinder Lock Nut
For the seat recline option, check the tightness of the jam nut. Tighten if required
Inspect jam nut
4.6
Pedestal Bolt to Chassis
Check torque on the pedestal to chassis bolts.
Torque to 34
FT-LBS
Torque to 34
FT-LBS
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October 6, 2021
4.7
Inspect Armrest
Check function. Lift arm to the fully raised position, then lower. Armrest will stop in the travel position. Lift
arm to upward position then lower. The armrest will return to the lowered position.
Fully Raised
Position
4.8
Lowered
Position
Travel
Position
Inspect Slider Seat
Check slider function. Depress foot release bar and slide seat. Return to home position making sure seat
lock pins drop into position. Depress foot locking pedals (2) and check seat is secured and does not
move.
Inspect
handles
Foot release
bar
Foot locking
pedals
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4.9
ADA Area Wheelchair Seatbelt
Check the operation of wheelchair restraint belts (A) and passenger restraint belts (B) for smooth pull.
Make sure belts return fully into the retractor. Check passenger belt latch function.
Wheelchair
Restraint belts
Passenger
Restraint belts
Check operation of wheelchair restraint belts (A) on the rear of the slider seat for smooth pull. Make sure
belts return fully into the retractor.
Wheelchair
Restraint belts
End of the procedure
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5.0
Appendix
To place parts orders please contact NFI Parts.
If you have questions or need further assistance, please contact the MCI Technical Call Center @
1-800-241-2947.
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October 6, 2021