Epson G3 Series User Manual

Maintenance  2. General Maintenance 
  

2.3  Greasing 

The ball screw spline and reduction gear units need greasing regularly.  Only use the 
grease specified in the following table. 
 

 

CAUTION 

■  Keep enough grease in the Manipulator.  Operating the Manipulator with 

insufficient grease will damage sliding parts and/or result in insufficient function of 
the Manipulator.    Once the parts are damaged, a lot of time and money will be 
required for the repairs. 

 

 

Greasing part 

Greasing Interval 

Grease 

Refer to: 

Joint #3  Ball screw spline shaft 

First time: after 50 km operation   
2nd or more: after 100 km operation

AFB

Maintenance: 10.1 Greasing the Ball 
Screw Spline Unit 

Joint #1 
Joint #2 

Reduction gear units 

In the replacement of motor* 

SK-1A

6.2 Replacing the Joint #2 Reduction 
Gear Unit 

* Under normal conditions, the reduction gear units shall be greased only when the motor is replaced. However, in 

case of severe working conditions (such as high duty, high speeds, large payloads, etc.), the reduction gear units 
must be greased every 10,000 hours. 

 

 

CAUTION 

■  If grease gets into your eyes, mouth, or on your skin, follow the instructions 

below. 

If grease gets into your eyes 

: Flush them thoroughly with clean water, and then see a doctor 

immediately. 

If grease gets into your mouth 

: If swallowed, do not induce vomiting.    See a doctor immediately. 
: If grease just gets into your mouth, wash out your mouth with water 

thoroughly. 

If grease gets on your skin 

: Wash the area thoroughly with soap and water. 

 

70 

G3 Rev.1