On-Off Power Switch / Circuit Breaker Replacement; Head End Assembly; Head End Tilt Motor; Foot End Rotation Safety Lock Motor - Mizuhosi 5803 Manuel Du Propriétaire

9.7 On-Off Power Switch / Circuit Breaker Replacement

1. Switch off the base at the circuit breaker and disconnect the power cord from the
source.
2. Remove the 10-32 screws holding the input plate and circuit breaker plates to the
head end base covers.
3. Remove the head end base covers.
4. Disconnect the negative battery wire.
5. Disconnect the wires from circuit beaker / on-off switch terminals.
6. Remove the circuit beaker / on-off switch.
7. Install replacement in the reverse order.

9.8 Head End Assembly

1. Switch off the base at the circuit breaker and disconnect the power cord from the
source.
2. Remove the foot end base covers and disconnect the negative wire at a battery
terminal.
3. Remove the 180° Rotation lock handle.
4. Remove grip ring from crossbar shaft and slide the traction pulley bracket, from the
shaft.
5. Remove the 8-32 screws from rear of cover.
6. Remove the 2 screws from the front cover and slide inside cover down and away.
Disconnect the electrical cable attached to the cover.
7. Remove the remaining screw at the front cover, and take the cover off by rotating it
to the right.
8. Remove the ground wire screw.
9. Disconnect the electrical cable at the top of the column.
10. Remove the 10-32 screw underneath of the trolley in the groove at front.
11. Slide the head end assembly away from you and remove it from base.
12. Install replacement in the reverse order.

9.9 Head End Tilt Motor

1. Disconnect the motor wire from the wire harness.
2. Remove the E-ring from the pivot axle at the actuator rod joint end.
3. Slide the pivot axle out of the assembly.
4. Loosen and remove the shoulder screw (or E-rings on newer tables) at the base of
the actuators and remove the actuator.

9.10 Foot End Rotation Safety Lock Motor

1. Remove the shoulder screws holding the actuator to the brake pivot arm, and foot
pivot base.
2. Install in reverse order.
3. Adjust rotation safety lock (refer to rotation safety lock adjustment).
MIZUHOSI 2009
35
NW0498 Rev E