LI4940ER1

SAV.1E.2012MA
LI4940ER1
INFORMATION LETTER
REFERENCE:
Nova Bus Manuals
SECTION:
03: Windows
RS NO:
MQR 7621-2064
APPLICATION DEADLINE: N/A
EFFECTIVE IN PROD.: N/A
SUBJECT:
Water Intrusion in IB Compartment.
JUSTIFICATION:
Water Intrusion in Rear Interior Electrical Compartment. From the exterior of the bus, it
appears there is a gap between seal and the bus body.
LEVEL
1
DIRECT CHARGES
DESCRIPTION
Applying of Sealant on the rear exterior window
2
TIME
LABOUR
MATERIAL
Client
Client
30 mins
–
–
–
–
MATERIAL
QTY
PART NO
REV.
DESCRIPTION
REPLACES PART N°
–
–
–
–
–
–
–
–
200ml
N32989
–
SEALANT BUTYL 757
–
0.025 oz
9985337
–
ADHESIVE CYANOACRYLATE
–
0.5 Kg
N32591
–
VANISHING OIL
–
LEVEL 1
–
LEVEL 2
–
SHOP SUPPLY
Note:
9985337 (ADHESIVE CYANOACRYLATE)
1 ea = 0.10 Oz
N32591 (VANISHING OIL)
1 ea = 2.5 Kg
0.025 Oz Per Bus
0.575 Oz for 23 buses
5.75 ~ 6 Oz for the entire Campaign
0.5 Kg Per Bus
11.5 Kg for 23 buses
4.6 ~ 5 Kg for the entire Campaign
Materials will be available within 36 days. To order, please contact Prevost Parts by phone at 1‑800‑771‑6682, by
fax at 1‑888‑668‑2555 or by email at [email protected]. Specify document number, quantity
of parts required and shipping address..
DISPOSAL OF PARTS
REMOVED PARTS ARE:
DISCARDED *
RETAINED
–
–
* Dispose of the unused parts and the defective parts in
accordance with local environmental standards in effect.
REVISION HISTORY
REV.
DATE
NR
2020AU13
Initial release
Devanand
R1
2020DE04
Instruction 1.5 has been updated.
Devanand
APPROVED BY:
CHANGE DESCRIPTION
WRITTEN BY
PAGE 1 OF 7
INFORMATION LETTER
CLIENT
ORDER
ROAD NUMBER
SAV.1E.2012MA
LI4940ER1
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
Capital Area Transportation Authority Michigan CATA
LC07
6012
6015
S92J5K9777269
S92J5K9777272
4
Capital Area Transportation Authority Michigan CATA
LC08
700
718
L82J7K9777278
L82J8K9777306
19
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INFORMATION LETTER
SAV.1E.2012MA
LI4940ER1
WARNING
Follow your internal safety procedures.
PROCEDURE
1.1.
Park the vehicle on an even surface with transmission in neutral (N).
1.2.
Turn the ignition switch to OFF position and engage the parking brake.
1.3.
Set the master control switch in the STOP position (see figure 1).
Master control switch in
STOP position
Figure 1 - Master Control Switch in STOP Position
1.4.
Set the battery disconnect switch in the battery compartment to the OFF position (see figure 2).
Battery disconnect
switch in OFF
position
Main power light
turned OFF
Figure 2 - View of Battery Disconnect Switch
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INFORMATION LETTER
SAV.1E.2012MA
LI4940ER1
TOOLS REQUIRED:
Flexible-tab glass insertion tool
Lock insertion tool
Metal tips toll to apply Butyl
1.5.
Clear the zone around rear window (see figure 3): Check if there is any residue (sand and salt) between the
glass/Rear shell and the gasket (Use the flexible-tab glass insertion tool like figure 6) (see figure 4). Clean
with soapy water and dry well with a clean cloth. If necessary, clean also around the gasket inside of the bus.
Figure 3 - Rear Window Cleaning
Figure 4 - Cleaning around the window
CAUTION
Be careful not to cut the extrusion when performing this task, otherwise the extrusion will require replacing.
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INFORMATION LETTER
1.6.
SAV.1E.2012MA
LI4940ER1
When the area is dry, unlock for the rubber extrusion with a lock insertion tool (see figure 5).
Figure 5 - Unlocking the Rubber Extrusion
1.7.
Use the flexible-tab glass insertion tool with the rubber extrusions (see figure 6).
1.8.
To ease the insertion, spray vanishing oil over the entire extrusion and use the flexible-tab glass insertion tool.
1.9.
Remove excess lubricant between the rubber extrusion and the glass using a clean absorbent cloth and
verify that contact surface between rubber extrusions and the glass is clean. Do the same between rubber
extrusions and the rear shell.
Figure 6 - Flexible Tab Glass Insertion Tool
1.10.
Apply Butyl 757 sealant between the rubber extrusion and its contact surface until it overflows slightly (see
figure 7).
1.11.
Apply Butyl on both sides of the rubber extrusion for side windows and one side for rear shell (only on the
exterior side of the bus). Do not leave any space without Butyl 757.
SEALANT BUTYL 757
SELF LOCKING CHANNEL
N29349
SEALANT BUTYL 757
GLASS
Metal tips toll to apply Butyl
Figure 7 - Applying Sealant
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INFORMATION LETTER
SAV.1E.2012MA
LI4940ER1
NOTE
When the tool (with the rigid tips) is not available, it is possible to apply the butyl with 2 people. The first
one lift the rubber and the second apply the butyl.
1.12.
Insert the lock for the rubber extrusion of the quarter windows using a lock insertion tool (see figure 8).
Figure 8 - Inserting the Lock
1.13.
Clean the glass, remove excess sealant on windows, fiberglass and gel coat with a soft cloth and a plastic
spatula. A cloth soaked in vanishing oil can be used to clean up excess butyl.
1.14.
If required, Seal the joint between the two ends of the insertion tab using cyanoacrylate adhesive (see figure 9).
Figure 9 - Usage of Cyanoacrylate Adhesive
1.15.
Place the master control switch in ON position.
1.16.
Set the battery disconnet switch in the battery compartment to the ON position.
1.17.
The vehicle may be returned to service.
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INFORMATION LETTER
SAV.1E.2012MA
LI4940ER1
Annexe : Example for the QTY of Butyl (Step 1.10)
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