Graco Therm-O-Flow Plus Manual
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Graco Therm-O-Flow Plus Manual

Graco Therm-O-Flow Plus Manual

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Installation – Operation
Therm-O-Flow Plusr
For all Drum Unloaders
Refer to Graco Form 309085 for further information, including parts and service
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
See page 21 for maximum working pressures.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
Copyright 2000, Graco Inc. is registered to I.S. EN ISO 9001
309180E
TI0411

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  • Page 1 Installation – Operation Therm-O-Flow Plusr 309180E For all Drum Unloaders Refer to Graco Form 309085 for further information, including parts and service Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. See page 21 for maximum working pressures.

  • Page 2: Table Of Contents

    ......Graco Standard Warranty .....

  • Page 3: Symbols

    D Route the hoses away from the traffic areas, sharp edges, moving parts, and hot surfaces. Do not expose Graco hoses to temperatures above 82° C (180° F) or below -40° C (-40° F). D Do not use the hoses to pull the equipment.
  • Page 4 WARNING HOT SURFACE AND FLUID HAZARD Heated fluid can cause severe burns and can cause equipment surfaces to become very hot. D Wear protective gloves and clothing when operating this equipment in a heated system. D Do not touch the metal heat sink when the surface is hot. D Allow the equipment to cool thoroughly before servicing.
  • Page 5 WARNING FIRE, EXPLOSION AND ELECTRIC SHOCK HAZARD Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous condition and result in fire, explosion, or electrostatic shock and other serious injury. D Ground the equipment, the object being dispensed, and all other electrically conductive objects in the dispense area.
  • Page 6 WARNING MOVING PARTS HAZARD Moving parts, such as the ram follower 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.

  • Page 7: Unpacking And Repacking

    When the Therm-O-Flow heated drum unloading was carefully packaged for shipment by Graco. When system requires service, it is the purchaser’s respon- the package arrives, perform the following procedure sibility to have the unit repaired. As an option, the...

  • Page 8: Mechanical Setup

    Mechanical Setup Follow the procedure below for mechanical setup. 2. Remove nut (A – Fig. 2) to fill air line lubrica- tor with SAE 10W NON–DETERGENT OIL (not 1. Check, and if necessary, tighten the heated hose included with equipment). connection at the pump outlet.
  • Page 9 4. Fill wet cup (Fig. 4), located on top of the displace- 6. Connect a 1/2” air line from an air source, capable ment pump, 2/3 full of Graco TSL. fluid. of delivering a minimum of 15 cfm (0.4 m /m) at 80 psi (552 kPa, 5.5 bar), to the air control (Fig.

  • Page 10: Electrical Setup

    Electrical Setup NOTE: Required voltage and amperage will be noted 2. Securely tighten 8–socket electrical connectors on on the machine I.D. plate. Before running power to the short heated hose leads into 8–pin receptacle unit, make sure the machine electrical requirements on located on the dispense valves (Fig.
  • Page 11 Electrical Setup 4. Have a qualified electrician connect your plant WARNING power to the control box disconnect switch accord- ing to local codes. A 1–3/8” (35 mm) diameter FIRE, EXPLOSION, AND ELECTRIC opening is provided on top of the box, above the SHOCK HAZARD connections.

  • Page 12: Material Loading

    4. When ram is fully raised, install the drum centering guides, which were shipped separately to prevent damage. 5. Apply a thin coating of Graco TSL oil to the follow- er plate drum seals (Fig. 14). PH00019 Fig. 12 3.
  • Page 13 Material Loading 7. Slide the material drum into position, making sure that the material drum rests evenly between the drum centering guides and the drum is fully backed into the stops located near the back of the ram baseplate. 8. Remove the follower plate bleed handle (Fig. 15). PH00022 Fig.

  • Page 14: System Heat Up

    System Heat Up Follow the procedure below for heating up the system. 2. Place the HEAT ON/OFF switch to the ON posi- tion. WARNING To reduce the risk of bursting a hose, never pres- surize a hot melt system before turning on the heat.
  • Page 15 System Heat Up 5. Adjust the set points on the individual controllers to The system will begin to heat. the desired temperatures by pressing the UP or NOTE: The air will be locked from the air motor until DOWN arrow keys on the temperature controllers all temperature zones are within a preset window of (Fig.

  • Page 16: Pump Bleeding

    Pump Bleeding 4. Locate bleed stem just below the outlet of the WARNING displacement pump (Fig. 22). To reduce the risk of serious burns, always wear eye protection, gloves, and protective clothing when working around hot melt equipment and hot melt materials.

  • Page 17: System Bleeding

    System Bleeding 3. Place the dispense valve over a waste container. WARNING 4. SLOWLY open the air isolation ball valve located To reduce the risk of serious burns, always wear on the lower right of the ram control (Fig. 20). eye protection, gloves, and protective clothing when working around hot melt equipment and hot 5.

  • Page 18: Drum Changing

    Drum Changing 3. Adjust the ram plate/drum separation air regulator WARNING (R, Fig. 25) to 20–30 psi (138–207 kPa, 1.4–2.1 bar). To reduce the risk of serious burns, always wear eye protection, gloves, and protective clothing when working around hot melt equipment and hot melt materials.
  • Page 19 Drum Changing 4. Push and hold the drum separation air push button 6. Continue to push the drum separation air button (Fig. 26). The plate will begin to raise. (Fig. 26) only enough to keep the drum from rising up with the follower plate. WARNING Excessive air pressure in the material drum could cause the drum to rupture, causing serious injury.

  • Page 20: System Shut Down

    System Shut Down Follow the procedure below for normal system shut 5. If the optional 7–day timer is not being used, down, such as at the end of the work day. position the main disconnect (Fig. 29) to OFF. 1. Make sure the pump rod is parked in the down position.

  • Page 21: Technical Data

    Fluid Outlet (pump) ..... . . 1” npt(f) Related Publications Form Name Form# Therm-O-Flow Plus Manual ....309085 309180 21...

  • Page 22: Dimensions

    Dimensions Electrical Control Panel Mounting and Clearance Dimensions 10” (254 mm) 46.8” 37.25” (1189 mm) (945 mm) 25.4” (646 mm) 9513A Fig. 30 309180...
  • Page 23 Dimensions Ram Mounting and Clearance Dimensions 48” (1168 mm) 42” (1067 mm) 36.9” (937 mm) 21” 25” (533 mm) (635 mm) 108.2” (2748 mm) 64” 68.2” (1626 mm) (1732 mm) 16.7” (424 mm) 11.1” (282 mm) (132 mm) 7994b Fig. 31 309180 23...

  • Page 24: 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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309180e

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