13. Protected Model Maintenance Part 2: Maintenance
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(4) Fill the groove of the ball screw spline shaft with grease. Apply it directly by hand.
Wipe off excess grease from the shaft.
(5) Push the shaft all the way down to the lower limit while pushing the brake release
button.
(6) Remove the six bolts (M4×6) from the upper mounting ring of lower bellows, then
slide the bellows downward.
6-M4×6
Shaft
Lower bellows
(7) Fill the groove of the ball screw spline shaft with grease. Apply it directly by hand.
Wipe off excess grease from the shaft.
(8) Move the shaft up and down several times to spread grease all over the shaft while
pushing the brake release button. Wipe off excess grease from the ball screw spline
shaft.
(9) After checking that the O-ring fits onto the groove of the flange, fasten the mounting
ring on the bottom of the upper bellows and the flange using six bolts (M4×6).
(10) After checking that the O-ring fits onto a groove of the flange, fasten the mounting ring
on the top of the lower bellows to the flange using six bolts (M4×6).
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