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276
ENGINE 273 MPFI
Sr. No. Sensor/Actuator
Storage
Tightening Installation / Handling /
Temperature
Torque
Storage Instructions
11
1.
Bouncing of ECU in mounting positions
is not allowed.
2.
Unit has to be fastened at the 4 marked
positions.
3.
Evenness of the 4 clamp areas has to
be within 0.5 mm.
4.
Ensure proper ground of ECUbefore data
set flashing.
5.
Upper limit of surface pressure of
screwing areas of ECU 140 N/sq mm.
6.
Harness needs to be fixed mechanically
at the area of ECU (distance < 100 mm).
7.
Wiring harness needs to be fixed in a
way that excitation of the ECU has the
same phase.
8
.
ESD protection required (e.g. shoes,
gloves – this should available at all
assembly stations where there is contact
electrical components, also sensors)
critical.
9.
Do not drop the ECU.
10.
Do not expose to moisture.
11.
Do not use the cable more than 20 cm
for the ground lines to be connected on
chassis.
12.
Do not operate without fuse of battery
voltage.
13.
Avoidwelding operations after assembly
of ECU.
(-40 ºC to 140 ºC)
(85 ºC to 140 ºC) for
500 Hrs
(70 ºC to 85 ºC) for
1000 Hrs
(40 ºC to 70 ºC) for
2000 Hrs
Storage relative room
humidity: 25%...75%
ECU
-
HT Cable
12
1.
While fitting HT Cable, follow this
sequence.
•
Fit the
spark plug side boot first
& make
sure that the Cable boot is properly
aligned with the spark plug. The cable
boot should be pushed hard on the spark
plug for proper engagement.
•
Fit the ignition coil side boot.
•
Also ensure the metal terminals inside
the cable boot are in full contact
(engaged) with the metal connecting
surfaces of the ignition coil connector.
2
. Make sure that the engine is not very
hot while removing the HT cable. If hot,
let it cool.
3.
While removing the HT Cable,
•
First remove the ignition coil side boot
•
Then remove the spark plug side boot.
4
. While removing the HT Cables, remove
it one by one. Don’t remove both the
cables together.