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Instructions – Parts List
Parts
55 Gallon, 55:1 Bulldog
Module Supply Units
4950 psi (347 bar) Maximum Working Pressure
Model 970022, Tandem with Pneumatic Crossover
Model 970023, Tandem with Electric Crossover
Model 970024, Pneumatic Low Level Shutoff
Read warnings and instructions.
See page 2 for table of contents.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 1998, Graco Inc. is registered to I.S. EN ISO 9001
Model 970022 Tandem Shown
310310 Rev.B
8642A
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Table of Contents
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Summary of Contents for Graco 970022
- Page 1 Model 970024, Pneumatic Low Level Shutoff Model 970022 Tandem Shown 8642A Read warnings and instructions. See page 2 for table of contents. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441 Copyright 1998, Graco Inc. is registered to I.S. EN ISO 9001...
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Page 2: Table Of Contents
Component Identification and Function ... . Graco Standard Warranty ..... . -
Page 3: Warnings
D This equipment is for professional use only. D Read all instruction manuals, warnings, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. - Page 4 WARNING INJECTION HAZARD Spray from the spray gun, hose leaks, or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Splashing fluid in the eyes or on the skin can also cause serious injury. D Fluid injected into the skin might look like just a cut, but it is a serious injury.
- Page 5 WARNING MOVING PARTS HAZARD Moving parts, such as the ram plate/pump inlet can pinch fingers. D Do not operate the equipment with the guard removed. D Keep clear of all moving parts when starting or operating the equipment. D Keep hands and fingers away from the priming piston during operation and whenever the pump is charged with air.
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Page 6: System Information
(refer to the preceding WARNING ). When closed, the The 970022 system consists of a 55 gallon supply unit valve bleeds off all air in the ram and pump, and the with pneumatic crossover for continuous material ram slowly lowers. -
Page 7: Component Identification And Function
Component Identification and Function Pump Pump Air Bleed Valve Ball Valve Ram (two used on 970022 and 970023, (required, for pump) Ram Air Regulator one used on 970024) Air Line Filter Ram Director Valve Ram Plate Bleed-Type Air Valve Air Release Valve... -
Page 8: System Setup
(Y) into slot in lug (Z) and accessories. Contact your Graco distributor for help in tighten locknut securely. Connect other end of wire designing a system to suit your particular needs. - Page 9 4–way piloted air valve (3). As the valve stops air to one ram, it starts air to the other ram. This allows constant material flow and changing out of material drums. Pneumatic Crossover Setup (Model 970022) Ball Valves (2) Regulator 4–Way Piloted Air Valve...
- Page 10 System Setup Electrical Crossover Setup (Model 970023) The position of the empty level indicator kit (2) on the ram determines when the ram air motor is turned on and off. During operation, this position can be adjusted The electrical crossover is setup as shown in Fig. 4. as desired.
- Page 11 System Setup Low–Level Shutoff Setup (Model 970024) NOTE: The position of the air limit valve (2) on the ram determines when the ram air motor is turned on and off. During operation, this position can be adjusted Setup the low–level shutoff as shown in Fig. 5. as desired.
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Page 12: Operation
D or install or clean the dispense ball valve. WARNING Use fluids and solvents that are chemically compat- 1. Relieve system pressure to which Graco module ible with the equipment wetted parts. Refer to the supply units are attached. Technical Data sections of all the equipment manuals. - Page 13 Operation Model 970022 Tandem Ram Shown 05698B 8320B Fig. 6 310310...
- Page 14 Operation Starting and Adjusting System Rams CAUTION To help avoid damage to equipment, do not use WARNING drums that have side bungs or large dents with this ram. Rough bung openings or large dents will dam- PRESSURIZED EQUIPMENT HAZARD age the wipers or stop the ram plate, resulting in a To reduce risk of injury or equipment runaway pump.
- Page 15 Operation Changing Drums 6. Inspect wiper plate and, if necessary, remove any remaining material or material build–up. WARNING Place full drum on ram base. MOVING PARTS HAZARD 8. Lower ram and adjust position of drum relative to Moving parts can pinch or amputate your ram plate, as explained under Starting and Ad- fingers.
- Page 16 Parts Model 970022 Tandem with Pneumatic Crossover, 55:1 Ratio Bulldog Pump Includes items 1–7 2 REF Ref No. 3 Fluid Supply Hose Includes Items 4–7 8322A Part Part Description Description C59523 PUMP, ram–mounted 200 liter (55 gal.) 521973 . HOSE...
- Page 17 Parts Model 970023 Tandem with Electrical Crossover, 55:1 Ratio Bulldog Pump Includes items 1–7 Ref No. 2 Electrical Crossover Kit 7 6 5 4 Ref No. 3 Fluid Supply Hose Includes Items 4–7 8322A Part Part Description Description C59523 PUMP, ram–mounted 200 liter (55 gal.) 521973 .
- Page 18 Parts Model 970024 Supply Unit with Pneumatic Low Level Shut–Off, 55:1 Ratio Bulldog Pump Includes items 1–7 Ref No. 3 Fluid Supply Hose Includes Items 4–7 Part Part Description Description C59523 PUMP, ram–mounted 200 liter (55 gal.) 521973 . HOSE ASSEMBLY See 308027 for parts 521975 .
- Page 19 Notes 310310...
- Page 20 Ram Mounted Pump Clearance Dimensions Model 970022 Ram Shown 14.2 mm (0.56 in.) Diameter Holes 8320B Model (Raised) (Lowered) 2578 mm 1575 mm 533 mm 635 mm 965 mm 1067 mm 1111 mm (101.5 in.) (62 in.) (21 in.) (25 in.) (38 in.)
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Page 21: Displacement
..........1/2 in. npt(f) Material outlets [for 970022 (2), 970023 (2), and 970024 (1)] .... - Page 22 Schematic Pneumatic Crossover Schematic Diagram (Model 970022 only) Fig. 7 310310...
- Page 23 Notes 310310...
- Page 24 Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.