VT6L Maintenance 18. Controller Unit
154 VT series Maintenance Manual Rev.2
Mount the optional block on the connector plate.
Hexagon socket head bolts:
6-M3×30 (with seal washer. The bolts are supplied with the module.)
Tightening torque: 2.0 ± 0.1 N·m
Connect the relay cable as shown below. Be careful not to cross the cables.
When mounting the optional block, make sure that a groove of the connector
Optional Block
Optional Block
Be sure to embed the seal washers
(supplied with the module) when
tightening with hexagon socket head bolts.
If the seal washers are not embedded,
water protection performance may not be
ensured.
Make sure that there is no scratches and/or dust on the gasket mounting surface.
If the gasket is damaged or dusty, water protection performance may not be
ensured.
Be sure to install the dust covers
(supplied with the module) on the
unused connectors.
If the dust covers are not installed on
connectors completely, water
protection performance may not be
ensured.
Be sure to use the dedicated cable
(supplied with the module) for
communication.
If other cables are used, water protection
performance may not be ensured.
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