Graco Dyna-Star HP 77X202, Instructions Manual

Page: 18 / 26

Installation
18 3A3956D
Refilling Systems with a Fill Valve (Z)
The reference letters used in the following instructions
refer to the Typical Installation diagrams provided, F
IG
.
3, page 7.
1. Prior to starting the fill, pull out and hold black Pres-
sure Relief Knob (Z1) long enough to relieve line
pressure between Fill Valve (Z) and Auto-Fill Shut
Off Valve (S).
2. Verify the Auto-Fill Shut Off (S) pin is down, indicat-
ing it is reset (F
IG
. 19).
3. Remove yellow dust cover (Z2) from fill coupler (Z3)
(F
IG
. 18).
4. Connect refilling line (AA) between the remote filling
stations pump (P) and fill coupler (Z3) port marked
with an “I” (F
IG
. 18).
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
IG
. 20,
• 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.
F
IG
. 18
Z1
Z2
Z3
F
IG
. 19
F
IG
. 20
pin
down
pin
up