Graco 77X540 Ventilation Hood User Manual


 
Instructions
4 332519F
8. Install vent valve (1) to pump surface using the 3
cap screws (4) included in the kit (F
IG. 5). Hold the
vent valve tight to the surface of the pump to ensure
o-rings stay in place during installation.Torque
screws to 17-19 ft-lbs (23-26 N.m).
9. Install lubrication line to vent valve pump outlet port
marked “0” (F
IG. 6).
10. In the inlet port marked “1” (F
IG. 6) install either:
a plug (10).
inlet plumbing necessary to attach a fill pump.
NOTE:
For tube-in-tube pump models, the “1” inlet can
be used as a fill port.
For models equipped with a follower plate, with-
out a tube-in-tube, the “1” inlet deposits grease
on top of the follower plate.
11. Connect cable (d) to valve cartridge (c) (F
IG. 7).
12. Install other end of cable (d) to solenoid control
device.
NOTE:
Cable (d) is available from Graco. See Accesso-
ries, page 5 for a list of available cables.
Connector termination is a Deutsch DT-04-2P.
Solenoid inputs are not polarity dependent.
Voltage can be applied in either direction.
Solenoid should be activated when the pump is
running. See wiring diagrams in pump manual
for more details.
13. Reconnect pump to main power supply.
14. Test system to ensure proper operation.
FIG. 5
FIG. 6
4
1
10
FIG. 7
d
c