Chapter 8: Maintenance
8.3 Checking Safety Systems
These tests should be done every six months.
1. Test operation of:
l
E-Stop button on Front Panel
l
E-Stop button on pendant
l
Enabling switch on pendant
l
Auto/Manual switch on Front Panel
NOTE:
Operating
any
of the above switches should disable High Power.
2. Test operation of any external (user supplied) E-Stop buttons.
3. Test operation of barrier interlocks, etc.
8.4 Checking Robot Mounting Bolts
Check the tightness of the base mounting bolts after one week, and then every 6 months.
Tighten to 70 N·m (52 ft-lbf). Also check the tightness of all cover plate screws.
8.5 Lubricate Joint 3 Ball Screw
Required Grease for the Robot
Table 8-2. Robot Lubrication
Lubrication
Point
Lubrication
Type
Lubrication
Amount
Remarks
Joint 3 quill
shaft. See Fig-
ure 8-3.
Epinoc AP1
2 to 3 cc
Apply grease to entire shaft.
!
CAUTION:
PROPERTY DAMAGE RISK
Using improper lubrication products on the Cobra 350 robot may cause dam-
age to the robot.
Lubrication Procedure
1. Turn off main power to the controller and robot.
Lock out and tag out power.
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Cobra 350 User's Guide
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