Graco 308550ZAC Ball Check Valve Repair, Relieve the pressure. Disconnect all hoses

Page 18

Service

Ball Check Valve Repair

1

Torque to 150–160 in–lb (17–18 NSm). See Torque Se- quence, page 32.

Tools Required

DTorque wrench

D10 mm socket wrench

DO-ring pick

Disassembly

NOTE: A Fluid Section Repair Kit is available. Refer to page 27 to order the correct kit for your pump. Parts included in the kit are marked with an asterisk, for example (201*). Use all the parts in the kit for the best results.

NOTE: To ensure proper seating of the balls (301), always replace the seats (201) when replacing the balls.

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 12.

1.Relieve the pressure. Disconnect all hoses.

2.Remove the pump from its mounting.

3.Using a 10 mm socket wrench, remove the eight bolts (106), and four washers (113), holding the outlet manifold (103) to the fluid covers (101). See Fig. 11.

4.Remove the seats (201), balls (301), and o-rings (202) from the manifold.

NOTE: Some models do not use o-rings (202).

5.Turn the pump over and remove the bolts (112), washers (114), and inlet manifold (102). Remove the seats (201), balls (301), and o-rings (202) from the fluid covers (101).

Reassembly

1.Clean all parts and inspect for wear or damage. Replace parts as needed.

2.Reassemble in the reverse order, following all notes in Fig. 11. Be sure the ball checks are as- sembled exactly as shown. The arrows (A) on the fluid covers (101) must point toward the outlet manifold (103).

18 308550

2Arrow (A) must point toward outlet manifold (103).

3Not used on some models.

106 1

113

103

301*

201*

202* 3

101

A 2

301*

201*

202* 3

102

114

1112

 

04619C

Fig. 11

 

 

 

Page 17 Page 19
Image 18
Page 17 Page 19
Contents Instructions Parts List Important Safety InstructionsTable of Contents ModelsSymbols Equipment Misuse HazardToxic Fluid Hazard Tighten Screws Before First Use InstallationGeneral Information Toxic Fluid HazardGrounding Ground all of this equipmentTypical FLOOR-MOUNT Installation Air LineFluid Suction Line Installation of Remote Pilot Air LinesMountings Fluid Outlet LineFlange Connections Bolt Tightening SequenceChanging the Orientation of the Fluid Inlet and Outlet Ports Fluid Pressure Relief ValveAir Exhaust Ventilation Fire and Explosion HazardVenting Exhaust AIR Operation Pressure Relief ProcedureStarting and Adjusting the Pump Flush the Pump Before First UseMaintenance Troubleshooting Problem Cause SolutionTroubleshooting Disassembly ServiceRepairing the Air Valve Tools RequiredReassembly Ball Check Valve Repair Relieve the pressure. Disconnect all hosesDiaphragm Repair Reassembly Standard Diaphragms Reassembly Overmolded Diaphragms 105 19 402 24 104 403 Bearing and Air Gasket Removal Detail of Air Valve Bearings 308550 Pump Matrix Husky 2150 Polypropylene and Pvdf Pumps, Series aRepair Kit Matrix For Husky 2150 Polypropylene and Pvdf Pumps, Series aAir Motor Parts List Matrix Column PartsFluid Section Parts List Matrix Column MufflerSeat Parts List Matrix Column Ball Parts List Matrix ColumnDiaphragm Parts List Matrix Column 114 Torque Sequence Dimensions Front ViewSide View Pump Mounting Hole Pattern Technical Data 14-0.8 MPa, 1.4-8 barPsi MPa, bar Performance ChartFeet meters Fluid Flow GPM lpmGraco Warranties Graco Information

308550ZAC specifications

The Graco 308550ZAC is a versatile and efficient airless paint sprayer designed for both DIY enthusiasts and professional contractors. Known for its reliability and performance, this unit provides consumers with a powerful solution for their painting projects, ensuring a smooth and even finish.

One of the standout features of the Graco 308550ZAC is its ProXChange technology. This innovative system allows for quick and easy pump replacement without the need for additional tools or complex procedures. This feature ensures minimal downtime, making it especially valuable on job sites where time efficiency is crucial.

The sprayer is also equipped with a powerful electric motor that delivers a consistent pressure of up to 3000 PSI. This high pressure not only facilitates a fine atomization of paint but also enables users to work with a variety of coatings, including thicker materials like latex, stains, and sealers. As a result, users can achieve professional-grade finishes on a range of surfaces, from buildings to fences.

Another significant characteristic of the Graco 308550ZAC is its adjustable pressure control. This feature allows operators to fine-tune the pressure according to the specific paint being used and the project's requirements. This flexibility translates to improved control over the spraying process, minimizing overspray and ensuring precision, particularly when working on detailed areas.

Additionally, the unit comes with a built-in suction hose, which can be submerged directly into paint containers for efficient and seamless painting. This capability makes it easier to use large buckets, reducing the hassle of constantly refilling the sprayer and enhancing productivity.

The Graco 308550ZAC also features a lightweight and portable design, making it easier to transport between job sites. Its robust construction ensures durability, while the ergonomic handle offers comfort during extended use.

In summary, the Graco 308550ZAC is a robust airless paint sprayer that combines advanced technologies and thoughtful design features to meet the needs of both professionals and hobbyists. With its ProXChange system, adjustable pressure control, and high-performance motor, it represents an excellent choice for achieving flawless finishes in various painting applications.
Top Page Image Contents