Maintenance
22 3A1177B
Maintenance
Caring for Sprayer
• Clean sprayer and accessories thoroughly after
each use.
• Do not cover vent holes or shroud while spraying.
Gun Fluid Filter
Clean gun fluid filter with compatible solvent and brush
every time you flush system. Replace when damaged.
Paint Hoses
Check hose for damage every time you spray. Do not
attempt to clean or repair hose if hose jacket or fittings
are damaged. Do not use hoses shorter than 7.5 m
(25 ft).
Tips
• Always clean tips with compatible solvent and brush
after spraying.
• Tip life: 57 liters (15 gallons) - 227 liters (60 gal-
lons)*
• Do not spray with worn tip.
Pump Check Valves
• Storing in water, inadequate flushing or ingested
debris can cause either of the two check valves to
malfunction.
• If pump does not prime after 30 seconds, try to
loosen check balls by pushing pump priming button
or by tapping the inlet valve with a small wrench as
the sprayer is stroking.
NOTE: Excessive shock will fracture or cause other
damage to pump.
NOTE: To verify inlet valve ball is sticking, unscrew
valves from pump and check them.
If sprayer continues to cycle (motor and pump run)
after you release gun trigger, pump valves may be
obstructed or worn. Valve repair kits are available
from Graco/M
AGNUM authorized service centers.
Pump
When pump wears, paint will begin to leak down outside
of pump. Replace pump at first sign of leaking or addi-
tional damage could occur.
Pump repair kits are available from Graco/M
AGNUM
authorized service centers.
NOTICE
Openings in shroud provide air for cooling mechanical
parts and electronics inside. If water gets in these
openings sprayer could malfunction or be permanently
damaged.
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