DUST- & DRIP-PROOF TYPE SPECIFICATIONS MANUAL
!
CAUTION
• Do not forget to install the gasket.
Also, be sure to coat the Loctite adhesives to all set bolts. Otherwise, the
dust- and drip-proof performance is damaged to cause entry of water or
dust.
• Be sure to replace the gasket before it is damaged. Damaged gasket
causes the deterioration of the dust- and drip-proof performance.
5.5.3 Arm 2 Cover
1) Before the arm-2 cover can be removed, the upper bellows must be removed.
For the procedure to remove the upper bellows, see Para. 5.4.2.
The arm-2 cover is secured together with the packing to the cover bracket by
tightening 11 hexagon socket head cap screws (M4
×8).
2) Though the cover is embedded to the arm 2, the liquid gasket is applied to the full
circumference of the packing under the cover to maintain the dust- and drip-proof
feature. When disconnecting the cover, peel off the liquid gasket between the
arm 2 and gasket, using a full circumferential cutter, etc. Then carefully peel off
the liquid gasket to remove the cover, using a slotted screwdriver, etc. DO NOT
peel off the liquid gasket between the cover and gasket. Disconnect the cover
together with the gasket.
Fig. 5.7 Arm 2 cover
Hexagon socket
head cap screw
M4×8
rm 2 cover
DO NOT peel off
the liquid gasket.
Gasket
Liquid gaske
Peel off, using
a cutter, etc.
rm 2 body
Gasket
Bracket
pply the liquid gasket to the
full circumference of this
surface (i.e., the surface from
which the liquid gasket was
peeled off to remove the cover).
Lower the axis 3 until it has contact
with the mechanical stopper.
STE85336
– 37 –
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