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Instructions - Parts
BELT-DRIVEN, STAINLESS STEEL, PNEUMATIC
Twistork
with Suction Feature
For use in closed-head, bung-type, 55-gallon drums.
100 psi (0.7 MPa, 7 bar) Maximum Working Pressure
See page 2 for model information.
Important Safety Instructions
Read all warnings and instructions in this
manual before using the equipment. Save
these instructions.
®
Helix Agitator
II 1/2 G Ex h IIB T3 Ga/Gb
2575
ITS03ATEX11226X
308345T
EN
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Summary of Contents for Graco Twistork Helix 308345T
- Page 1 Instructions - Parts BELT-DRIVEN, STAINLESS STEEL, PNEUMATIC ® Twistork Helix Agitator 308345T with Suction Feature For use in closed-head, bung-type, 55-gallon drums. 100 psi (0.7 MPa, 7 bar) Maximum Working Pressure See page 2 for model information. Important Safety Instructions Read all warnings and instructions in this manual before using the equipment.
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Page 2: Table Of Contents
California Proposition 65 ....21 Graco Standard Warranty ....22... -
Page 3: Warnings
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable. - Page 4 Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.
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Page 5: Component Identification
Component Identification Component Identification Oil-less Reversible Agitator, The Twistork Helix Agitator is intended to mix and maintain paints and similar fluids in closed-head, Model 236760 55-gallon (200-liter) drums with 2 in. npt bung connections. The Twistork Helix Agitator provides The oil-less reversible agitator operates the same as the suction porting through its siphon tube, which allows you standard agitator, but it uses a non-lubricated air supply, to siphon fluid to a pump while mixing it. -
Page 6: Installation
Installation Installation Grounding To reduce the risk of fire and explosion, always maintain a minimum of 1 in. (25.4 mm) clearance The equipment must be grounded to reduce the risk between rotating agitator parts and container to of static sparking. Static sparking can cause fumes to prevent sparks from contact. -
Page 7: Air Line Accessories
Installation Air Line Accessories NOTICE To avoid damaging the agitator, do not mount the pump A bleed-type air shutoff valve (SV) is required; it isolates (G) directly to the agitator outlet fitting (41). Make sure the air line components for servicing. The air shutoff the pump is properly supported, and install a flexible valve should be installed in the supply line and can be suction hose (E) between the agitator outlet fitting and... -
Page 8: Install The Agitator
Installation Install the Agitator fitting (41) and the pump. See F . 6. The hose connector must have a 30° bevel to match the fluid outlet fitting with an airtight seal. See Maximum The agitator weighs 24 lb (11 kg). To manually lift it in Siphon Flow Rate, page 9. -
Page 9: Operation
Operation Operation Maximum Siphon Flow Rate The volume of fluid that can be siphoned through the agitator inlet is determined by the viscosity of the fluid. Moving parts, such as an impeller blade, can cut or amputate fingers. To reduce the risk of serious injury, •... -
Page 10: Shutdown Procedure
Operation kit, to help prevent thick sediment from being forced into Shutdown Procedure the siphon inlet. 1. To stop the agitator, close the needle valve (18), or disconnect the quick-disconnect (F), or close the air NOTICE valve in the air supply line. Do not operate the agitator at a high speed for a long 2. -
Page 11: Maintenance
Maintenance Maintenance Flush the Air Motor Prolong the Life of the Bearing Nut NOTICE Use a compatible solvent to clean parts. The bearing Do not use kerosene or other flammable solvents to nut (8) is made of acetal, which is not compatible with flush the air motor. -
Page 12: Clean The Fluid Tubes
Maintenance Clean the Fluid Tubes To prevent fluid from drying on the tubes and interfering (6). Torque the screws oppositely and evenly to 60 with helix rotation, clean the siphon tube (4) and helix to 70 in-lbs (6.8 to 7.9 N•m). tube (7) when you change colors or coatings and when 7. -
Page 13: Agitator Blades
Maintenance Agitator Blades Lubricate the Air Motor (Model 236629 Only) NOTICE Not lubricating the air motor will cause air motor failure. Materials can become electrostatically charged when stirred or blended. To prevent fire and explosion, ground equipment and do not allow material buildup If an air line lubricator (AL) is not installed, the air motor on the agitator. -
Page 14: Correct A Bad Suction Line Seal
Maintenance Correct a Bad Suction Line Seal Air that is pulled into the suction line makes the pump NOTE: If Step 1 does not correct the problem, inefficient. This can happen for the following reasons: continue with Steps 2 through 5. 2. -
Page 15: Service
This it is usually quickest and easiest to send the unit to the orientation prevents fluid from running into the Graco distributor for repair or replacement. bearing and drive belt area. NOTICE b. -
Page 16: Remove The Drive Belt
Service Remove the Drive Belt Detail A To avoid static electricity buildup and possible sparking, which could cause fire and explosion, replace the drive belt with a genuine ESD rated and marked belt only. Order part number 112552. Replace the drive belt (15) if it is cracked or worn. 1. -
Page 17: Assemble The Agitator
Service Assemble the Agitator through the bottom of the agitator housing (3) until the tube is flush with the top of the bushing (14). Then remove the installation tool. 1. Make sure the spacer (10) is in place (see Parts, page 18). -
Page 18: Parts
Parts Parts Model 236629 Standard Agitator Model 236760 Oil-less Reversible Agitator Press into place; lips face down. Apply high-strength thread sealant to threads. Apply anaerobic PTFE pipe sealant to threads. With helix tube (7) flush with top of 16 or 17 bushing (14), torque oppositely and evenly to 55 to 60 in-lbs (6.2 to 6.8 N•m). - Page 19 Parts Model 236629 Standard Agitator Includes items 1 to 16 and 18 to 50, 57–58 Model 236760 Oil-less Reversible Agitator Includes items 1 to 15 and 17 to 58 Ref. Part No. Description Qty. Ref. Part No. Description Qty. 108050 LOCKWASHER, spring; M6 236720 BRACKET 112557 SCREW, set;...
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Page 20: Dimensions
Dimensions Dimensions 7.4 in. (18.8 cm) 3/4- 14 npt(f) fluid outlet 1/8 npt(f) air inlet NOTE: The bung adapter adjusts the depth of the agitator to a minimum of 32 in. (81.3 cm) and a maximum of 48.6 in. (123.4 cm) 35-1/8 in. -
Page 21: Technical Specifications
Technical Specifications Technical Specifications Twistork Helix Agitator with Suction Feature Metric Maximum air working pressure 100 psi 0.7 MPa, 7 bar Maximum recommended helix speed 800 atm Ambient operating temperature range Model 236629 +33.8° F < Ta < +104° F +1°... -
Page 22: Graco Standard Warranty
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.
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