Epson G Series Maintenance Manual page 317

Bellows (1) To attach the upper bellows, move the shaft to its lower limit.
Installation
(2) Pass the shaft through the bellows from the larger joint.
(3) Secure the cover side of the bellows.
(4) Secure the end face side of the bellows to the shaft.
(5) After completing the attachment of the bellows, move the shaft up/down by hand
G series Maintenance Rev.3
To attach the lower bellows, move the shaft to its upper limit.
To move the shaft up/down, press and hold the brake release switch.
Be sure to keep enough space and prevent the end effector hitting any peripheral
equipment.
The brake release switch is applied to both Joints #3 and #4. When the brake release
switch is pressed, the respective brakes of the Joints #3 and #4 are released
simultaneously. (The brake for Joint #4 is only installed to G6-**3**.)
Be careful of the shaft falling and rotating while the brake release switch is being
pressed because the shaft may be lowered by the weight of an end effector.
The bellows has two joints:
The larger joint must be attached to the cover side.
The smaller joint must be attached to the end face
side of the shaft.
Be careful not to misplace the clamp bands. The
clamp band has three sizes; small, medium, and
large.
Attach the mounting part of the bellows until the end
touches the cylindrical part of the cover.
Attach the rubber sheet.
rubber sheet so that no space is made between the
bias cut. (No rubber sheet for the upper bellows
cover side)
Bias cut
Then, secure them with clamp bands.
Cover the bearing case (black) on the end face of the
shaft with the bellows mounting part.
Attach the rubber sheet.
rubber sheet so that no space is made between the
bias cut.
Bias cut
Then, secure them with clamp bands.
several times and rotate Joint #4. Make sure that the bellows can expand and contract
smoothly without any excessive force.
Be sure to attach the
Be sure to attach the
G6 Maintenance 9. Bellows
Upper bellow
cover side
Lower bellow
cover side
Bellows
Rubber sheet
Clamp band
Upper bellow
end face
Lower bellow
end face
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