OVERLOAD
PROTECTOR
9. Setting Method of Limit Switch:
9.1 Installation method:
Use 3 mm hexagon wrench to fasten 2 pc of M4x25 hexagon socket head bolts, which
is thread locking on the end 2 ~ 3 threads of bolts to prevent loose of limit switch.
Before fasten the bolts.
9.2 Adjust method:
Limit switch has to be adjusted on the normal use condition of overload protector.
(It means hydraulic pressures of cylinder inside the slide is charged completely
then pump stops working). Under this condition, Insert the thickness gauge of 0.8
& 1.0 mm each between adjustable screw and head of limit switch to adjust limit
switch.
After adjustable screw, please fasten the nut and then insert the thickness
gauge to re-confirm if electric signal is correct.
9.2.1 NO type
(AT11-1-
I
)
:
Contact point 13 & 14 of limit switch has to be
“
ON
”
when insert 1.0 mm
thickness gauge. And to be
“
OFF
”
when insert 0.8 mm thickness gauge.
0.8 & 1.0mm
Nut
Thickness Gauge
14
13
22
2-M4x25
21
Adjustable Screw
9.2.2 NC type
(AT11-2-
I
）
:
Contact point 21 & 22 of limit switch has to be
“
OFF
”
when insert 1.0 mm
thickness gauge. And to be
“
ON
”
when insert 0.8 mm thickness gauge.
0.8 & 1.0mm
Nut
Thickness Gauge
13
14
22
2-M4x25
21
Adjustable Screw
2006.12.04
SANDSUN
5
