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Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

Copyright 2007, Graco Inc. is registered to I.S. EN ISO 9001

312111A

Instructions-Parts

2-Quart (1.9 Liter)
Pressure Cup

For controlling atomizing air and fluid pressure for any pressure feed manual 
spray gun when more than one quart of fluid will be used. 

288776

50 psi (0.35 MPa, 3.5 bar) Maximum Regulated Fluid Pressure

50 psi (0.35 MPa, 3.5 bar) Maximum Air Inlet Pressure

This manual is available in the following languages.

Contents

Warnings  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Description  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Set-Up  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Operation   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Maintenance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Troubleshooting  . . . . . . . . . . . . . . . . . . . . . . . . . 6

Parts   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Technical Data   . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Graco Standard Warranty   . . . . . . . . . . . . . . . . 10

Graco Information   . . . . . . . . . . . . . . . . . . . . . . 10

Important Safety Instructions

Read all warnings and instructions in this manual. 
Save these instructions.

English

312111

Spanish

312112

French

312113

German

312114

Italian

312115

Summary of Contents for 288776

Page 1: ...8776 50 psi 0 35 MPa 3 5 bar Maximum Regulated Fluid Pressure 50 psi 0 35 MPa 3 5 bar Maximum Air Inlet Pressure This manual is available in the following languages Contents Warnings 2 Description 3 S...

Page 2: ...top operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area EQUIPMENT MISUSE HAZARD Misuse can cause death or serious in...

Page 3: ...ntainers and dispose of it according to appli cable guidelines Always wear impervious gloves when spraying or cleaning equipment PRESSURIZED ALUMINUM PARTS HAZARD Do not use 1 1 1 trichloroethane meth...

Page 4: ...utlet as shown 3 Connect handle to top of cup as shown 4 It is best for the air supply line to pass through a Graco Air Control Unit to filter dirt from the air and extract water and oil Connect the a...

Page 5: ...bar 7 To decrease paint flow pull out regulator knob and turn counter clockwise to lower cup pressure Open the relief valve to bleed off excess pressure Reseal relief valve Repeat step 6 The cup lid h...

Page 6: ...nob to the full off position counter clockwise and reliev ing cup pressure by opening counter clock wise manual pressure relief valve CAUTION Never clean your Model 288776 in a gun washer The automati...

Page 7: ...Troubleshooting 312111A 7...

Page 8: ...Parts 8 312111A Parts 7 1 2 9 6e 6b 6c 6d 8 3 6a 4 5 10 11 12 13 14 15 16 17 18 Fluid Pressure Regulator Model 288776 Part Number 234434...

Page 9: ...G tee 1 7 288837 CUP handle nut and fluid outlet 1 8 288836 CANISTER 2 Quart 1 9 288778 NIPPLE 1 4 npt 1 10 ADJUSTING KNOB 1 11 CAGE spring 1 12 SCREW adjusting assembly 1 13 SPRING top 1 14 DIAPHRAGM...

Page 10: ...or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRE...

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