Emerson Daniel 788DVC User Manual page 75

User manual
P/N 3-9008-556
9. Turn the cylinder over with the ports on top when removing the high pressure seat
9.3.2 Pilot disassembly (1710-1711)
Procedure
1. Remove electrical power from solenoid before disassembly.
2. Remove coil housing cover. Solenoid coil may now be removed.
3. Rotate the hex head nut below solenoid base assembly counterclockwise to
4. Remove cage assembly, consisting of plunger, valve cage ans poppet shaft and
5. Remove fitting and manual operator stem from bottom of pilot.
6. Remove valve seat.
7. Remove and inspect all O-rings.
User manual
Figure 9-1: Using the piston to remove the seat ring from the 150/300 lb
cylinder
ring. Remove the set screw from the seat ring. Turn the seat ring counterclockwise
to remove the seat ring and then remove the O-ring from the cylinder.
NOTICE
The models 1710 and 1711 normally closed pilot have a retaining ring holding the
coil in place which must be removed before coil can be removed.
separate solenoid base assembly from pilot body.
disassemble as indicated by drawing.
Planned maintenance
October 2019
75