14-9
SERVICING
SM OU12HP 2-E.2 GB
14.1.16 Re-assembling driver module
14.1.16.1 4-5HP
1. Wipe out the heat sink and the driver plate with cloth soaked with alcohol. Wipe out the heat sink
screw holes as well by inserting the cloth deeply into the holes but beware not to damage the
screwing paths.
2. Spread thermal grease paste on the driver back plate. Grease thickness should be 0.1-0.15mm
evenly spread.
3. Place the driver module according the picture and screw the 4 screws gently with torque meter
of 0.25Nm by the following order: 1-3-4-2.
4. Further tighten the screw with torque meter of 1.2Nm, same order. Make 1 turn backward with
each screw.
5. Wait for 1 hour and further tighten the screws with torque meter of 1.2 Nm, same order.
6. Perform the removal procedure in 14.1.15 backwards.
Notes:
Do not hold the PCB part of the driver module when handling the driver module.
When handling the module, take care of not to use excessive force as this may cause
damage.
14.1.16.2 6HP
Wipe out the heat sink and the driver plate with cloth soaked with alcohol. Wipe out the heat sink 1.
screw holes as well by inserting the cloth deeply into the holes but beware not to damage the
screwing paths.
Spread thermal grease paste on the driver back plate. Grease thickness should be 0.1-0.15mm 2.
evenly spread.
Place the driver module according the picture and screw the 2 screws gently with torque meter 3.
of 0.25Nm.
Further tighten the screw with torque meter of 1.2Nm, same order. Make 1 turn backward with 4.
each screw.
Wait for 1 hour and further tighten the screws with torque meter of 1.2Nm.5.
Perform the removal procedure in 6. 14.1.15 backwards.
Notes:
Do not hold the PCB part of the driver module when handling the driver module.
When handling the module, take care of not to use excessive force as this may cause damage.
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