Prime - Graco Merkur series Instructions-Parts List Manual

Operation
7. If flushing through drain/purge valve:
a. Place drain tube in a grounded waste pail.
Open drain/purge valve (S) slightly by rotating
counterclockwise.
b. Start the pump by rotating the air regulator
adjustment knob (E) clockwise until pump
begins to move.
c. When clean solvent flows from drain tube close
drain/purge valve (S) by rotating clockwise.
Pump will stall.
S
d. Stop pump with rod buried in pump.
e. Follow Pressure Relief Procedure, page 10.
Leave solvent in and store sprayer.
12

Prime

1. Follow Pressure Relief Procedure, page 10.
2. See F
IG
spray tip from gun (H). Refer to gun manual.
3. Place suction tube in the material that will be
sprayed.
S
ti21107a
NOTE: Do not stretch hose tight; let it hang to assist
fluid flow into pump.
4. Turn regulator adjustment knob (E) counterclock-
wise until it stops, and gauge (D) reads zero.
E
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C
5. Open bleed type master air valve (C).
ti21109a
. 1. Lock gun trigger. Remove tip guard and
D
E
ti21106a
332245G