Troubleshooting

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 11.

1.Relieve the pressure before checking or servicing the equipment.

2.Check all possible problems and causes before disassembling the pump.

PROBLEM

CAUSE

SOLUTION

 

 

 

Pump cycles at stall or fails to hold

Worn check valve balls (301), seats

Replace. See page 18.

pressure at stall.

(201) or o-rings (202).

 

 

 

 

Pump will not cycle, or cycles once

Air valve is stuck or dirty.

Disassemble and clean air valve.

and stops.

 

See pages 16 to 17. Use filtered air.

 

 

 

 

Check valve ball (301) severely

Replace ball and seat. See page

 

worn and wedged in seat (201) or

18.

 

manifold (102 or 103).

 

 

 

 

 

Check valve ball (301) is wedged

Install Pressure Relief Valve

 

into seat (201), due to overpressur-

(see page 9).

 

ization.

 

 

 

 

 

Dispensing valve clogged.

Relieve pressure and clear valve.

 

 

 

Pump operates erratically.

Clogged suction line.

Inspect; clear.

 

 

 

 

Sticky or leaking balls (301).

Clean or replace. See page 18.

 

 

 

 

Diaphragm ruptured.

Replace. See pages 19 to 21.

 

 

 

 

Restricted exhaust.

Remove restriction.

 

 

 

Air bubbles in fluid.

Suction line is loose.

Tighten.

 

 

 

 

Diaphragm ruptured.

Replace. See pages 19 to 21.

 

 

 

 

Loose inlet manifold (102), dam-

Tighten manifold bolts (106 or 112)

 

aged seal between manifold and

or replace seats (201) or o-rings

 

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

(202). See page 18.

 

 

 

 

Loose fluid side plate (105).

Tighten or replace (pages 19 to 21).

 

 

 

 

Damaged o-ring (108).

Replace. See pages 19 to 21.

 

 

 

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Graco DR5, DS5, D82, D72, D85, DR2, DS2, D81, D75 important safety instructions Troubleshooting, Problem Cause Solution
Page 13 Page 15

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.

The Graco D82 is designed for high-performance applications, delivering consistent spray patterns and superior coverage. One of its standout features is the ProConnect system, which allows users to quickly change pumps on the job site, minimizing downtime. Its SmartControl technology ensures a consistent spray pattern at any pressure, allowing for versatility across a range of coatings. Its lightweight, portable design also makes it an ideal choice for jobs of all sizes.

Moving on to the DR2, this model boasts two-piston technology which provides a reliable and powerful performance. It is specifically engineered for working with thicker materials, making it perfect for heavy coatings like elastomerics or textured paints. The DR2's integrated filtration system protects the pump from debris, prolonging its life and ensuring cleaner finishes.

The Graco DR5 takes it a step further by offering a robust solution for contractors working on large-scale projects. This model includes Graco's Endurance pump which is known for its durability and performance longevity. The DR5 features an ergonomic design that enhances user comfort during extended use, while its heavy-duty build can withstand the rigors of demanding job sites.

Next in line is the D72, which offers an efficient spraying solution for both interior and exterior applications. It comes equipped with Graco’s easy-to-use controls and an extended reach design that makes it suitable for large projects. The D72 also integrates advanced technology for automatic pressure adjustment, ensuring optimal spray results regardless of the conditions.

Lastly, the DS2 is a compact yet powerful sprayer suited for smaller projects or tight spaces. This model delivers professional-grade results without the bulk. It features a user-friendly interface that makes it accessible for beginners while still providing the performance features necessary for seasoned professionals.

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.
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