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3. INSTALLATION
RH-981A
15
3-12-2. Connecting the motor cables
1. Remove the screws (1), and then open the terminal
block cover (2) of the motor.
2. Loosen the screw (3) and connect the ground cable
(4) for the motor.
3. Loosen the screw (5) and connect the ground cable
(6) from the control box.
4. Connect the cables so that the cable marks (U, V,
W) match the symbols on the screw terminals.
5. Close the cover (2).
Note: Be careful not to clamp the cables when
closing the cover.
3-12-3. Connecting the air tubes
Connect the air tubes to the joints of the solenoid valve assembly, using the illustration below as a reference.
Numbers are marked on each of the air hoses which come out of the sewing machine.
3000Q
0827Q
Label No.
Solenoid valve
5
Upper thread trimming
4
Upper thread tightening
3
Lower thread tr
i
mm
i
ng *1
2
Cloth spreading
(Auxiliary clamp arm *2)
1
Work clamp
*1 If the lower thread trimmer is not
installed, solenoid valve [3] is not
used.
*2 The auxiliary clamp arm can only be
used for machines with -02
specification.
0826Q
Plug 4
< -00, -01 >
0829Q
0828Q
< -02 >