Graco Dyna-Star 77X202 Instructions Manual page 17

2. Verify the Auto-Fill Shut Off (S) pin is down, indicat-
ing it is reset (F . 18).
IG
pin
down
F . 18
IG
3. Remove yellow dust cover (Z2) from fill coupler (Z3)
(F . 17).
IG
4. Connect refilling line (AA) between the remote filling
stations pump (P) and fill coupler (Z3) port marked
with an "I" (F . 17).
IG
5. Start remote filling station pump (P).
6. When reservoir (K) is filled:
• the Remote filling station pump (P) stalls
(dead-heads),
• Auto-Fill Shut Off (S) pin pops up see F
• the gauge pressure in the refilling lines (V and
AA) rises to the fill pump's set pressure.
NOTE: If the pump does not stall (dead-head) there is a
leak in the system.
pin
up
F . 19
IG
3A3956C
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).
. 19,
IG
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.
Installation
17