7. ADJUSTMENTS
RH-9820
190
4. While holding down the
key (7), push the POWER
switch at the ON side (8).
The mode will switch to input checking mode.
5. Press the key (7) or
key (9) to set the checking
signal (A) to “18 (needle up signal)”.
6. Tilt back the machine head and remove the motor cover (11)
from the upper shaft motor (10).
7. Loosen the bolt (12) for the needle up magnet of the motor
by 90° only.
NOTE:
Do not loosen the screw by more than 90°. If it is
loosened too much, the parts may touch the P. C. board
and damage may result.
8. Move the position of the slot (13) to the point where the
panel display (B) switches from “ON” to “OFF”, and tighten
the bolt (12) at that point.
9. Press the POWER switch at the OFF side (14) to turn off the
power.
(B)
0771B
(A)
0769B
0784B
0770B
0784B
Содержание RH-9820
Страница 7: ...RH 9820 v Belt cover Rear 0331B 0332B 0334B 0486B 0485B 0333B ...
Страница 46: ...4 MECHANICAL DESCRIPTIONS RH 9820 37 ...
Страница 58: ...5 DISASSEMBLY RH 9820 49 5 10 Lubrication 1089B ...
Страница 124: ...6 ASSEMBLY RH 9820 115 6 19 Covers 1064B ...
Страница 210: ...8 ELECTRICAL MECHANISM 201 RH 9820 PMD P C board Power supply motor P C board 0693B 4593Q ...
Страница 211: ...8 ELECTRICAL MECHANISM 202 RH 9820 Panel P C board 0694B ...
Страница 217: ...8 ELECTRICAL MECHANISM 208 RH 9820 0761B ...
Страница 218: ...8 ELECTRICAL MECHANISM 209 RH 9820 0762B ...
Страница 236: ...SERVICE MANUAL RH 9820 I6100920B 2007 03 B 1 Printed in Japan ...