12
Body Frame and remove the
FRONT BODY CAP_FRONT/REAR
(58,57).
4) Remove six bolts (46, 56)
fastening the FRONT BODY_R (54)
to the Body Frame and remove the
FRONT BODY_R (54) from the
Body Frame.
5) To increase the belt tension, turn
the HEX NUT (14) clockwise in two
or three turns. It makes the TENSION SPRING (12) tauter
.
Turning the HEX NUT (14) counter clockwise decreases the belt tension.
6) Rotate Pedal in two or three turns and then measure the tension of the Drive Belt using
Tension Gauge in the position marked in “2.”
7) Repeat 5) thru 7) until the tension reaches 160 Hz.
8) Re-install all of parts in reverse order.
2.2 How to Replace the Drive Belt (or POLY V-BELT)
The drive belts indicating cracks, fraying or excessive wear should be replaced.
2.2.1 M660BU/BUL
Do the steps below while referring to the following Exploded Views in Appendix.
C.1 M660BU/BUL_MAIN BODY
1) For M660BUL, turn off the unit power at the switch and then unplug the line cord at wall outlet.
2) Remove the CENTER FOOT_UP (61) by removing two bolts (52) securing the CENTER
FOOT_UP (61) to the Main Body Frame.
3) Remove two bolts (55) securing MAIN BODY CAP (54) to the Main Body Frame.
4) Lift the MAIN BODY CAP (54) and SEAT POST CAP (56) and then fix these to the Gas
Cylinder temporarily by a tape to make it easy to remove the MAIN BODY_R (50).
5) Remove five bolts (51, 52) securing the MAIN BODY_R (50) to the Main Body Frame and
remove the MAIN BODY_R (50).
6) To decrease the belt tension, turn the HEX NUT (17) counterclockwise until the HEX NUT
(17) reaches the end side of the TENSION BOLT (16) as shown.
Summary of Contents for M660BR
Page 41: ...40 2 MPU PCB on M660BU M600BR ...
Page 42: ...41 3 A D BOARD on M600BUL M660BRL ...
Page 59: ...58 ...
Page 61: ...60 RCA 6A YELLOW Video Input ...
Page 71: ...70 A 1 M660BU ...
Page 73: ...72 B 1 FOOT ...
Page 77: ...76 C 1 M660BU BUL_MAIN BODY ...
Page 79: ...78 D 1 M660BU BUL_CONSOLE POST ...
Page 84: ...83 G 1 CONSOLE ...
Page 86: ...85 H 1 M660BR BRL ...
Page 90: ...89 I 1 M660BR BRL_MAIN BODY ...
Page 92: ...91 J 1 M660BR BRL_CONSOLE POST ...
Page 95: ...94 K 1 M660BR BRL_SEAT ...