2205B0JE-DA-J-N_2014.05.
5 Maintenance and Inspection
Screw Compressor J-series
5.4 Disassembly and Assembly of the Compressor
5-34
5.4.10 Unloader Indicator/Capacity Control Solenoid Valve
170J/220J
Order
Description
Part
No.
Order
Description
Part
No.
1
Assembly, unloader indicator
120
8
Capacity control / variable Vi
solenoid valve
562
2
3
or Solenoid valve dummy block
4 9
O-ring
561
5 10
Hexagon socket head cap screw
(M5×75)
535
6
Hexagon socket head cap screw
(M5×75)
535
11
Spring lock washer
536
12
Capacity control / variable Vi
solenoid valve
562
7
Spring lock washer
536
13
O-ring
561
1.
Remove the parts in the order of the numbers shown in the figure.
2.
Install the parts in the reverse order of removing.
Make sure to remove all drain plugs and don’t cover the outlet of oil and the inlet of oil for
hydraulic cylinder before removing the solenoid valve.
NOTE:
According to the design modification notification as of January 2014, J series unloader indicators have
all changed to explosion-proof type which is newly designed. For details of this new unloader indicators
refer to their instruction manual provided separately.