KMC Controls MEP-455 Series - Manual (Page 4)

Document No. 129-361
Installation Instructions
August 3, 2004
Manual Override
EA0374R2
GEAR TRAIN LOCK PIN
3 mm
x 7-3/4 = 90˚
90˚
GEAR TRAIN LOCK PIN
3
HOLD
5
4
1
2
h
GEAR TRAIN LOCK PIN
90˚
90˚
8
7 6
Figure 8. Manual Override.
To use manual override or set preload
(See Figure 8)
1. Insert the 3 mm hex key in the override opening.
(Step 1)
2. Turn the key in the direction of the arrow on the
hand symbol until you reach the desired degree
of opening. (Step 2)
3. Hold the key in place. (Step 3)
4. Insert a small flat-blade screwdriver into the gear
train lock pin. Turn the screwdriver in the same
direction as the arrow until you hear a click or
meet slight resistance. (Step 4)
To release manual override or preload
(See Figure 8)
1. Insert the 3 mm hex key in the override opening.
(Step 6)
2. Turn the key in the direction of the arrow only a
short distance. (Step 7)
3. Remove the key. (Step 8)
The actuator will return to "0" position.
NOTE: Applying power and sending a control signal
will release manual override.
CAUTION:
When engaging the gear train lock pin,
be careful to turn only about 5 degrees
until you hear a click or meet slight
resistance. Turning too far will strip the
lock pin.
5. Remove the key or keep it in place.
(Step
5)
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