Troubleshooting

PROBLEM

CAUSE

SOLUTION

Fluid in exhaust air.

Diaphragm ruptured.

Replace. See pages 19 to 21.

 

 

 

 

Loose fluid side plate (105).

Tighten or replace (pages 19 to 21).

 

 

 

Pump exhausts excessive air at

Worn air valve block (7), o-ring (6),

Repair or replace. See pages

stall.

plate (8), pilot block (18), u-cups

16 to 17.

 

(10), or pilot pin o-rings (17).

 

 

 

 

 

Worn shaft seals (402).

Replace. See pages 19 to 21.

 

 

 

Pump leaks air externally.

Air valve cover (2) or air valve cover

Tighten screws. See page 17.

 

screws (3) are loose.

 

 

 

 

 

Air valve gasket (4) or air cover

Inspect; replace. See pages

 

gasket (22) is damaged.

16 to 17 and 22 to 23.

 

 

 

 

Air cover screws (25) are loose.

Tighten screws. See pages

 

 

22 to 23.

 

 

 

Pump leaks fluid externally from ball

Loose manifolds (102, 103), dam-

Tighten manifold bolts (106 or 112)

check valves.

aged seal between manifold and

or replace seats (201) or o-rings

 

seat (201), damaged o-rings (202).

(202). See page 18.

 

 

 

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Page 15
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Graco DS2, DS5, D82, D72, D85, DR2, DR5, D81, D75 important safety instructions Troubleshooting

D75, D81, D85, DS5, DS2 specifications

Graco is a well-known name in the world of spray equipment and fluid management systems, and its range of airless sprayers like the D82, DR2, DR5, D72, and DS2 exemplifies innovation and quality. These models are engineered to meet the diverse needs of professional painters, contractors, and DIY enthusiasts alike.

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In summary, the Graco D82, DR2, DR5, D72, and DS2 each bring their own unique advantages to the table. From advanced technologies like ProConnect, SmartControl, and Endurance pumps to user-friendly designs, these models represent Graco's commitment to providing high-quality spray solutions that cater to the diverse needs of their users. Whether for heavy-duty applications or smaller projects, Graco's lineup offers a comprehensive range of options for effective and efficient painting.