9-10
Chapter 9 Maintenance and Inspection
 
y
Removing the Optional Meter
To replace or remove the meter, follow the steps below. It is not necessary to remove the 
meter when the hollow cable is disconnected.
(1)  Loosen the four screws of the junction box cover to remove the cover. (
Fig. 9-9
)
(2)  Remove the screws that attach the meter to the plate. Be sure not to drop the screws 
when removing them.
Fig. 9-15.  Removing the meter and plate
(3)  Disconnect the 2-wire cable (red, black) lugs connected to the rear panel of the meter.
Fig. 9-16.  Removing the meter
(4)  Cover the lugs of the 2-wire (red, black) cable with insulation caps to prevent contact 
with other parts.
To operate the device with the meter removed, use either procedure 
(A) or (B)
. Since external 
electrical noise may have an adverse effect in the case of 
(B)
, use 
(A)
 if the output fluctuates.
(A)  Do steps (1) through (3) in 
l
 
Disconnecting the Hollow Cable (Page 9-7)
 and dis-
connect the RED (+) and BLK (-) terminals of the METER terminals. After that, cut 
out the cable on the meter side.
(B)  Secure the terminal cables to the plate or frame so that they are not shaken by 
vibration.
Screw (four (2) pcs.)