M&R Challenger II 12 COLOR, Manual, Page: 77 / 176

PREVENTIVE MAINTENANCE PROCEDURE
CHALLENGER Series II Bulletin No. EL4
Maintenance Point
Frequency Interval
Procedure Information
The service life of the battery in the Mitshubishi Servo Amplifier Unit is three years. Replace the battery (M&R Part
No. 1017147).
Every Three Years
4. Flip up the plastic L.E.D. cover assembly on the right of
the battery to expose the battery connector. Remove the old
battery from the holder, then disconnect the battery by gen-
tly squeezing while pulling down on the connector.
5. Install the new battery together with the connector.
Replace the battery in the holder and close the plastic L.E.D.
cover.
Tools Required: None
1. DO NOT turn “OFF” the electrical power to the equipment.
If the electrical power is not “ON”, turn it “ON”.
2. Open the access door on the lower electrical component
cabinet mounted to the indexer chassis.
3. Open the access panel to the battery compartment on the
left side of the Servo Amplifier Unit to expose the battery.
WARNING!
WARNING!
THE NEW BATTERY
MUST BE INSTALLED WITH IN FIVE
(5) MINUTES OF REMOVAL OF THE
OLD BATTERY. THIS WILL ENSURE
THE PRESERVATION OF DATA IN
THE SERVO AMPLIFIER MEMORY.
Battery
Battery Connector
Gently squeeze the sides of the battery con-
nector to remove and install the battery in the
battery terminal clip. Connector is designed to
fit on terminal in only one way, so you cannot
install the battery incorrectly.
69
The frequency of the following preventive maintenance procedure is
based on a 8 hour daily production shift or 40 hour work week.