37
15. Motor Case
15-1. To remove motor case (See Fig.14)
When removing the motor case of tilting axis for maintenance, etc., the following procedure is
recommended.
1) Remove the covers
②
and
③
of motor case
①
and disconnect wiring cables from electric
apparatuses of motor and solenoid valves, etc. and also, remove three piping of red, blue and black
connected to the connector plate
④
. (For piping, refer to the piping diagram of item 23.)
2) Loosen hexagon socket head cap screws
⑤
which fix the motor case
①
and remove the motor
case slowly with the motor case
①
raised.
Connect the air hose correctly and take care so as not to bend it.
15-2. Countermeasures for waterproof
To prevent the motor from coolant penetration, O-rings are used to the mounting faces on the motor case
①
and the connector plate
④
, and also, liquid packing (1216 made by THREE BOND) are used on
connection parts among the motor case
①
and covers
②
,
③
.
When reassembling the motor case
①
and connector plate
④
, take
extreme care so that the O-rings will not be damaged. If the O-rings are
damaged, coolant may enter into the motor case.
When reassembling the covers, coat connection parts with liquid packing.
Hexagon socket head cap screw
⑤
Motor case
①
Connector plate
④
Cover
②
Cover
③
CAUTION
CAUTION
Fig.14