LI5316ER1

INFORMATION LETTER
REFERENCE:
Nova Bus Manuals
SECTION:
09: Engine
RS NO:
MQR 7621-2267
LI5316ER1
APPLICATION DEADLINES: N/A
EFFECTIVE IN PROD.: N/A
SUBJECT:
Crank case vent (CCV) hoses on CNG engine
JUSTIFICATION:
Crank case vent (CCV) hoses may get damaged over time.
LEVEL
DIRECT CHARGES
DESCRIPTION
LABOUR
MATERIAL
1
Install improved CCV inlet hose.
Client
Client
2
If damaged or required, replace the thermofoil heat shield protection.
Client
Client
TIME
1h
MATERIAL REQUIRED PER VEHICLE
QTY
PART NO
REV.
DESCRIPTION
1
N106519
–
HOSE INLET CCV PREFORMED
4
N84090-14
A
P-CLAMP ID 2.250"THK 0.060"M8
LEVEL 1
LEVEL 2 (only if required)
1
N74053-09
–
SLEEVE HEAT, W/ADHES, 2"
6
N56339
A
TIE TEFZEL CABLE TIES
Materials will be available within 61 days once your order has been placed.
To order, please contact [email protected]
Or by phone for CANADA 1-800-771-6682, for USA 1-877-999-8808
Specify document number, quantity of parts required and shipping address.
DISPOSAL OF PARTS
REMOVED PARTS ARE:
DISCARDED
*
RETAINED
Yes
–
* Dispose of the unused parts and the defective parts in
accordance with local environmental standards in effect.
REVISION HISTORY
REV.
DATE
NR
2022NO01
Initial release
André Pelletier
R1
2022DE01
Figure 1 modified. Material list in level 2 to be ordered
only if required.
André Pelletier
APPROVED BY:
NQF772002 VERSION 5
CHANGE DESCRIPTION
WRITTEN BY
PAGE 1 OF 5
INFORMATION LETTER
CLIENT
ORDER
ROAD NUMBER
LI5316ER1
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
Buffalo New York - NFTA
LC12
1901
1923
L82K6K9777345
L82K8K9777377
23
Houston - Texas
LB63
2050
2050
L82K2J9776708
L82K2J9776708
1
Houston - Texas
LB72
2051
2069
L82K6J9776887
L82K4J9776905
19
Houston Texas - Metro
LC55
2070
2079
L82KXK9777378
L82K0K9777387
10
San Antonio Texas
LB26
692
735
L82KXJ9776536
L82K6J9776579
44
San Antonio Texas
LB43
970
987
L82K4J9776791
L82K1J9776828
18
San Antonio Texas
LC70
801
806
L82K3L9777577
L82K3L9777577
6
San Antonio Texas
LD11
726
738
L82K1L9777562
L82K8L9777574
13
San Antonio Texas
LD12
988
989
L82KXL9777575
L82K1L9777576
2
San Antonio Texas
LD13
739
747
L82K4L9777619
L82K4L9777619
9
PAGE 2 OF 5
NQF772002 VERSION 5
INFORMATION LETTER
LI5316ER1
WARNING
FOLLOW YOUR INTERNAL SAFETY PROCEDURES.
PROCEDURE
1.1.
Park the vehicle on an even surface with the transmission on neutral.
1.2.
Apply the parking brake and set the master control switch to the stop position.
1.3.
Set the battery disconnect switch in the battery compartment to the off position.
1.4.
Lift the rear cross seats to access the engine compartment from inside the vehicle.
Figure 1 - Lift the Rear Cross Seats to Access the Engine Compartment
PAGE 3 OF 5
NQF772002 VERSION 5
INFORMATION LETTER
1.5.
LI5316ER1
Remove the existing CCV inlet hose from vehicle. Discard the 4x P-clamps holding the hose. Retain the
other hardware
Figure 2 - Remove the Existing CCV Inlet Hose
PAGE 4 OF 5
NQF772002 VERSION 5
INFORMATION LETTER
LI5316ER1
1.6.
*Only if required (original thermofoil heat shield damaged), order and install a new N74053-09 thermofoil
heat shield on the new CCV inlet pipe. See the level 2 material list on page 1. The heat shield should start
as close to the motor side connection as possible. The joint should be located away from the engine. Secure
with cable ties N56339.
1.7.
Use new P-clamps 4x N84090-14 to install the new inlet CCV hose.
1.8.
Torque end clamps to 5 N•m (3,7 lb-ft).
Torque end clamps to
5 N•m (3,7 lb-ft)
Trim hose end as required
to avoid interference with
firewall
Remove and replace by
N84090-14
*End
heat
shield
*Start
heat
shield
here
*Cable ties N56339
*Cable ties N56339
Figure 3 - Install New CCV Hose and Heat Shield
1.9.
The vehicle can return in service.
PAGE 5 OF 5
NQF772002 VERSION 5