Graco Dyna-Star HP 77X202 Instructions Manual page 19

7. Relieve pressure between remote filling station
pump (P) and the fill valve (Z):
a. Turn off the remote filling station pump (P).
b. Pull out and hold black pressure relief knob (Z1)
long enough to relieve line pressure between fill
valve (Z) and Auto-Fill Shut Off Valve (S) and
between the remote filling station pump (P) and
fill valve (Z).
NOTE: The length of time it takes to vent varies depend-
ing on the system design and installation. In some
installations it may be necessary to repeat Step b to
ensure pressure is relieved.
c. Disconnect the refilling line (AA) at the fill cou-
pler (Z3).
d. Replace the yellow dust cover (Z2).
Service
Use only Genuine Graco Repair Parts.
See separate system component manuals for service
instructions. For pump service see manual 332514. For
vent valve service see manual 332519.
3A3956D
Installation
19