Table Of Contents; Manual Conventions - Graco 256391 Repair Manual

Contents
Manual Conventions . . . . . . . . . . . . . . . . . . . . . . . . 2
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Component Identification . . . . . . . . . . . . . . . . . . . . 5
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . 7
General Repair Information . . . . . . . . . . . . . . . . . . 8
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Displacement Pump Replacement . . . . . . . . . . . . 13
Drive Housing Replacement . . . . . . . . . . . . . . . . . 15
Spin Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Fan Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Manual Conventions

WARNING
Hazard Symbol
WARNING: a potentially hazardous situation which, if
not avoided, could result in death or serious injury.
Warnings in the instructions usually include a symbol
indicating the hazard. Read the general Warnings
section for additional safety information.
2
Motor Brush Replacement . . . . . . . . . . . . . . . . . . 18
Control Board Replacement . . . . . . . . . . . . . . . . . 19
Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . 21
Pressure Control Assembly Replacement . . . . . . 22
Manifold Replacement . . . . . . . . . . . . . . . . . . . . . . 23
Power Cord Replacement . . . . . . . . . . . . . . . . . . . 24
Motor Replacement . . . . . . . . . . . . . . . . . . . . . . . . 25
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 29
Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 30
CAUTION
CAUTION: a potentially hazardous situation which, if
not avoided, may result in property damage or
destruction of equipment.
Note
Additional helpful information.
Manual Conventions
310824D