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V IBRATION SAFETY SWITCH ADJUSTMENTS
È
B
W hat the Vibration Safety Switch Does
Ë
The vibration safety switch pictured below is an important safety feature. If properly adjusted, the switch will
momentarily actuate as a result of repeated machine movement caused by an out-of-balance condition. Table A
below illustrates the effect of the vibration safety switch actuation.
B
Machine Model
B
30015, 30020, and 30022
All microprocessor-controlled washer-extractors not
listed above, and all dye machines
When the machine leaves Milnor
tie-wrapped to prevent damage (except on 30015, 30020, and
B
30022 models). This tie wrap must be removed after the
machine is set into position but before the machine is op-
erated.
Adjustment of this switch from the factory setting is not
recommended; however, it should be checked for proper
functioning and adjusted if its proper setting is lost.
As shown at right in FIGURE 1, the unit consists of a
sensitive micro-switch with an extended actuating arm sup-
porting an eccentric weight. The weight may be adjusted by
moving it up and down on the arm and by rotating it on the
arm. In addition, the micro-switch itself may be tilted from
side to side.
The sensitivity of the switch increases as the eccen-
tricweight is raised on the actuating arm and de-
creases as the weight is lowered.
The unit should be adjusted so that the actuating arm
will always reset by itself, this being accomplished by rotat-
ing either the switch or the weight to give just enough bias to
cause the switch to reset. Check the adjustment by moving the
arm to the left then slowly releasing it. Make sure the micro-
switch clicks when the arm is slowly released, thus indicating
T able A—Effect of Tripping Vibration Safety Switch
Ï
®
, the actuator arm is
Function of Vibration Safety Switch
Disables high speed extract
De-energizes three-wire relay, effectively
terminating machine operation
A djustments
Ê
80
MSSMA408BE/9273BV
F IGURE 1
Î
(MSSMA408BE)
V ibration Switch
Î
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