Graymills DDP 1' Pump OMI - Manual (Page 2)

2
Table of Contents
Safety Warnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service
Repairing the Air Valve 15 . . . . . . . . . . . . . . . . . . . . . . .
Ball Check Valve Repair 17 . . . . . . . . . . . . . . . . . . . . . .
Diaphragm Repair 18 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bearing and Air Gasket Removal 21 . . . . . . . . . . . . . . .
Dimensional Drawings 23 . . . . . . . . . . . . . . . . . . . . . . . . . .
Technical Data 24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Chart 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graymills Standard Warranty 26 . . . . . . . . . . . . . . . . . . . . .
Symbols
Warning Symbol
WARNING
This symbol alerts you to the possibility of serious injury or
death if you do not follow the instructions.
Caution Symbol
CAUTION
This symbol alerts you to the possibility of damage to or
destruction of equipment if you do not follow the instruc-
tions.
Safety Alert Symbol
SAFETY ALERT
The safety Alert Symbol means ATTENTION! BECOME
ALERT! YOUR SAFETY IS INVOLVED!
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.
D This equipment is for professional use only.
D Read all instruction manuals, tags, and labels before operating the equipment.
D Use the equipment only for its intended purpose. If you are not sure, call Graymills Corporation.
D Do not alter or modify this equipment. Use only genuine Graymills parts and accessories.
D Check equipment daily. Repair or replace worn or damaged parts immediately.
D Do not exceed the maximum working pressure of the lowest rated component in your system. This
equipment has a 120 psi (0.8 MPa, 8 bar) maximum working pressure at 120 psi (0.8 MPa, 8 bar)
maximum incoming air pressure.
D Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the Technical
Data section of all equipment manuals. Read the fluid and solvent manufacturer’s warnings.
D Do not use hoses to pull equipment.
D Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose Gray-
mills hoses to temperatures above 82
_C (180_F) or below –40_C (–40_F).
D Do not lift pressurized equipment.
D Comply with all applicable local, state, and national fire, electrical, and safety regulations.
INSTRUCTIONS
WARNING