MAINTENANCE MANUAL
28
STE 85357
After the cover is mounted, manually move up and down the ball screw spline shaft
while pressing the brake release switch, and make sure that the ball screw hole for
the arm 2 cover will not interfere with the ball screw stopper.
2.3.2
Base Covers
There are four (4) types of base covers: base front cover, base rear cover, base side
cover and base cover. (It is not necessary to apply Loctite to all the covers when
installing.)
Each of the base front cover and the base rear cover is secured to the base with six
(6) cross truss head screws (M4 x 8). They can be dismounted from the base when
these fastening screws are removed, but do not pull them with force as they are
connected with the connectors inside.
Each of the left and right base side covers is secured to the base with four (4) hex
countersunk screws (M4 x 12).
The base cover is secured to the base with four (4) hex countersunk screws (M4 x
8).
Fig. 2.7 Base front cover (THL300, THL400)
Base front cover
Cross truss head screw
M4 x 8 x 6 pcs.