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Instructions - Parts Electric Back-Gear Drum Agitators 3A4548 J Heavy duty, back-geared agitator for mixing and maintaining suspension of industrial coatings stored in 55 gallon drums. For professional use only. See page 3 for model information, including maximum working pressure and approvals. Important Safety Instructions Read all warnings and instructions in this manual before using the equipment.
25C484 ATEX Listed II 1/2 G Ex h IIB t4 Ga/Gb CML 24ATEX6027 IECEx CML 24.0020 0°C ≤ Tamb ≤ 40°C Models with UL Listed Explosion Proof Inverter Duty Motor (with 25C483) Motor Elevator Shaft and Drum Elevator Air Hazardous...
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Models Models with ATEX Listed Explosion Proof Inverter Duty Motor (with 25C484) Elevator Shaft and Drum Elevator Air Desc Siphon and Cover Approvals Blades Cover Control Support 25C487 Agitator ◆ II 1/2 G Ex h IIB t4 Ga/Gb IECEx ETL 17.0019 Agitator with 25C488 ITS17ATEX1001809...
Safety Symbols Safety Symbols The following safety symbols appear throughout this manual and on warning labels. Read the table below to understand what each symbol means. Symbol Meaning Symbol Meaning Splash Hazard Burn Hazard Toxic Fluid or Fumes Hazard Crush Hazard Ground Equipment Electric Shock Hazard Follow Pressure Relief Procedure...
General Warnings General Warnings The following warnings apply throughout this manual. Read, understand, and follow the warnings before using this equipment. Failure to follow these warnings can result in serious injury. DANGER SEVERE ELECTRIC SHOCK HAZARD This equipment can be powered by more than 240 V. Contact with this voltage will cause death or serious injury.
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General Warnings WARNING FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or solvent flowing through the equipment can cause static sparking. To help prevent fire and explosion: • Use equipment only in well ventilated area.
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General Warnings WARNING TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or swallowed. • Read Safety Data Sheets (SDSs) to know the specific hazards of the fluids you are using. •...
Place two standard 55 U.S. gallon (45 Imperial gallon) barrels 14 in. (approximately 36 cm) apart, and center the drum cover on the barrels with the Graco logo centered and facing you, as shown in F . 1. Proceed to step 1 in With or Without an Elevator, page 9.
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Installation 4. Thread three hex head screws (45 not shown) with thread sealant (not provided) up through the drum cover and into the bottom of the housing. Torque them to 75 in-lb (8.4 N-m). 5. Assemble one pair of agitator blades (34) so that the four holes in the blade halves are lined up.
(hand-tight is enough to installation and operation of the VFD. hold the siphon tube in place). For a Graco supplied VFD, see manual 3A4793 for information on VFD installation and operation. NOTICE Barrel Heights Vary.
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Installation Installations with Elevators grounded. Check your local electrical code for detailed grounding instructions for your area and type of equipment. To ground the agitator, connect one end of the ground To reduce the risk of serious injury, including cuts, wire (A) to the ground connector (B) on the agitator.
Counterclockwise rotation will potentially damage the gear box and loosen the agitator shaft. See the VFD manufacturer’s manual for information on setting rotation direction, or for a Graco supplied VFD, see manual 3A4793. General Operation Use the VFD to start, stop, and adjust the agitator speed.
Service Service 5. Loosen the retaining nut (37c) on the siphon tube and slowly lift the siphon tube out of the agitator. 6. Clean the inside and outside of the siphon tube, • Moving parts, such as an impeller blade, can flush the inside of the agitator shaft (33), and clean pinch or amputate fingers.
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Agitator Shaft — Models with Siphon Kit, page 14. Additional Agitator Service If the unit requires more than installation of a bearing replacement kit or gear replacement, it is advisable to send the unit to a Graco distributor for repair or replacement. 3A4548 J...
Parts Models 25C374, 25C451, 25C480, 25C481 Agitator with Drum Cover and Elevator (elevator maximum working pressure 100 psi, 7 bar) Ref No. Part No. Description Ref No. Part No. Description 103f 237606* PLUG, POLYETHYL- ENE 1 AGITATOR, 25C485 BACK-GEAR (models 25C374, 25C451) 103g 068097*...
Power Usage Charts Power Usage Charts Material Viscosity 3000 cp Power 1000 cp 0 cp Agitator RPM . 10:UL Motor Power Usage Chart NOTE: The power measured includes the VFD power usage. Material Viscosity Power 3000 cp 1000 cp 0 cp Agitator RPM .
Technical Specifications Technical Specifications Electric Back-Gear Drum Agitators UL: 3/4 hp; Motor Power ATEX: 0.37 kW UL: Explosion Proof Class 1 Group C&D Class 2 Group F&G T3C Motor Hazardous Location Approvals ATEX/IECEx: Ex II 2G Ex d IIB T4 Gb (see declarations included with motor) UL: 230/460 VAC, 60 Hz, 3 Phase Motor Electrical Requirements...
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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