Maintenance 2. General Maintenance

2.2Inspection Point

2.2.1Inspection While the Power is OFF (Manipulator is not operating)

Inspection Point

Inspection Place

Daily

Monthly

Quarterly

Biannual

Annual

Check looseness or backlash of

End effector mounting bolts

bolts/screws.

Manipulator mounting bolts

Tighten them if necessary.

Each arm locking bolts

(For the tightening torque, refer to

Bolts/screws around shaft

 

 

 

 

Maintenance: 2.4 Tightening

Bolts/screws securing motors,

 

 

 

 

Hexagon Socket Head Cap Bolts.)

 

 

 

 

reduction gear units, etc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check looseness of connectors.

External connectors on

 

 

 

 

 

Manipulator (on the connector

If the connectors are loosen, push it

plates etc.)

 

 

 

 

 

securely or tighten.

 

 

 

 

 

Manipulator cable unit

 

 

 

Visually check for external defects.

External appearance of

Manipulator

Clean up if necessary.

 

 

 

 

 

External cables

 

 

 

Check for bends or improper

 

 

 

 

 

 

location. Repair or place it properly

Safeguard etc.

if necessary.

 

 

 

 

 

 

Check tension of timing belts.

Inside of Arm #2

 

 

 

Tighten it if necessary.

 

 

 

 

 

 

 

 

 

Grease conditions

Refer to Maintenance: 2.3 Greasing.

 

 

 

 

2.2.2Inspection While the Power is ON (Manipulator is operating)

Inspection Point

Inspection Place

Daily

Monthly

Quarterly

Biannual

Annual

Check motion range

Each joint

 

 

 

 

Move the cables back and forth

External cables

 

 

 

 

 

lightly to check whether the cables

(including cable unit of the

 

 

 

are disconnected.

Manipulator)

 

 

 

 

 

Push each arm in MOTOR ON

 

 

 

 

 

 

status to check whether backlash

Each arm

 

 

 

 

exists.

 

 

 

 

 

 

Check whether unusual sound or

Whole

vibration occurs.

 

 

 

 

 

 

Measure the accuracy repeatedly by

Whole

 

 

 

 

a gauge.

 

 

 

 

 

 

G3 Rev.1

69

Page 79
Image 79
Epson G3 Series manual Inspection Point, Inspection While the Power is on Manipulator is operating