21
22
5-1 Disassembly procedure
For periodical inspection or replacement of packing and
other worn out sliding elements, refer to the internal assem-
bly drawings and follow the instructions given below.
Disassembly procedure
(1) Loosen and remove the hexagon socket head cap
screws
㊼
that fasten the cover 1
⑥
, the cover 2
⑦
and
the spring washer
㊻
. Take out both covers. [Fig. 17]
(2) Take out the position indicator
㉑
using a flat-blade
screwdriver, etc.
(3) Turn the shaft
②
counterclockwise as viewed from above,
and take out two pistons
⑤
from the case
①
.[Fig. 18]
(1) Take out the pneumatic pipelines and electric wiring from
this product.
(2) Remove the bolts and spring washers that fasten this
product to the valve, then take out this product from the
valve.
Removal of the unit from the valve
[Fig. 18]
[Fig. 17]
Cover 2
⑦
Cover 1
⑥
Piston
⑤
Case
①
Hexagon socket head cap screw
㊼
Shaft
②
5. CYLINDER MAINTENANCE
If covers of single-acting type cylinders are removed
forcibly, the spring may fly out, resulting in a dangerous
situation.
When taking out the covers of single-acting type cylinders,
follow the instructions in
5-2 Single-acting type cylinder
side cover disassembly procedure.
[Fig. 16]
Position indicator
㉑
Spring washer
㊻
Hexagon socket head cap screw
㊼
Spring washer
㊻
Before disassembly, be sure to read "FOR YOUR
SAFE USAGE" of this manual once again.
④
Upper stage:LS Close
Lower stage:LS Open
①
Quick set cam (red)
for LS Close adjustment
②
Quick set cam (yellow)
for LS Open adjustment
③
N3-6P terminal block
Limit switches are used to convert the valve position (full
close, full open, half open) into electric signals for lamp
indication at a remote location. The contact is opened or
closed by mechanical action.
TMS Limit Switch Box
4-6 Limit switch
Standard specifications
Adjustment procedure
Cover holding bolt
Top cover
Cover holding bolt
[Fig. 15]
Monopolar double-throw (1C, SPDT) x 2
Circuit
Protective construction IP67
Rated voltage
AC250V-16A
DC125V-0.6A
Ambient temperature −10
〜
60
℃
Wiring method
2-G1/2
Contacts
Switch detection with one (2 switches inside)
COM
NC
NO
The output position of the limit switch is adjusted by
adjusting the quick set cam. When adjusting the
quick set cam, stop supplying compressed air, etc.
Otherwise this product may operate unexpectedly,
resulting in a very dangerous situation.
(1) Set the position to full close on this product.
(2) Loosen the cover holding bolts at the four corners
of the limit switch box and remove the top cover.
[Fig. 15]
(3) Pull the top cover out upward.
(4) Rotate the red quick set cam while pressing it
downwards. Then return the quick set cam at the
position where the limit switch operates. The
quick set cam returns by the spring automatically.
The quick set cam can be adjusted with an
interval of approx. 2 degrees. [Fig. 16]
(5) Set the position to full open on this product.
(6) Rotate the yellow quick set cam while pulling it
upwards. Then return the quick set cam at the
position where the limit switch operates. The
quick set cam returns by the spring automatically.
The quick set cam can be adjusted with an
interval of approx. 2 degrees.
(7) Set the position to open and close on this product
to ensure that the limit switch outputs a signal at
the desired position.
(8) Set the position to full close on this product.
(9) After checking that the indicator indicates "Full
close", install the top cover.
(10) Tighten the cover holding hexagon bolts.
Table 5 TMS limit switch box standard specifications
CAUTION
CAUTION
CAUTION