Hoffmann FX Series Instruction Manual & Parts List

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INSTRUCTION MANUAL & PARTS LIST

FX Series

www.buyhoffmansteamnow.com

41522M | 5.2022

©/TM

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Page 2: Table Of Contents
2.1 General Installation Instructions ....................... 6 2.2 Installation Connections ..........................6 2.3 Locating and Leveling ..........................6 2.4 Steam Connections (FX Series Only) ..................... 6 2.5 Vacuum Connections (FX Series Only)....................7 2.6 Table and Backboard Mounting ......................7 2.7 Start-Up Instructions (FX Series Only) ....................7 (See Addendum for Model H for Model H Start-up Instructions) 3.0 Operating Instructions ..............
Page 3 Addendum for Model H .............30 1.0 Introduction ..................30 1.1 Intended Use ..................30 1.2 Registration With Local Jurisdiction .....................30 1.3 Preliminary Delivery Inspection ........................31 1.4 Warranty Activation .............................31 1.5 Safety And Precautions ..........................31 1.5.1 Safety Nomenclature ..........................31 1.5.2 Safety Features ............................31 1.5.3 Safety Summary ............................32 2.0 Installation ..................
Page 4: Introduction
It is constructed of highest quality materials and rigorously tested at the factory. 1.1 Precautions It is vital that the purchaser of a FX Series line of presses read these instructions and fully understands them before installing or operating the machine. It is also the responsibility of...
Page 5: Safety Summary
FX SERIES TECHNICAL MANUAL 1.3 Safety Summary The following are general safety precautions that are not related to any specific instructions and therefore do not appear elsewhere in this manual. These are recommended precautions that personnel must understand and apply during all phases of operation and maintenance.
Page 6: Installation & Startup Instructions
Carefully remove the block and allow the head to open. 2.4 Steam Connections (FX Series Only) The ½ inch steam inlet pipe, on the right side of the press, should be connected to the steam supply line with a pressure regulator, globe valve and a union near the press.
Page 7: Vacuum Connections (Fx Series Only)
FX SERIES TECHNICAL MANUAL 2.5 Vacuum Connections (FX Series Only) The air or steam vacuum valve is usually located on the left side of the press. Connect the air vacuum valve to a vacuum unit header with I ¼ inch pipe. A union as near the valve as possible will aid in servicing the valve when required.
Page 8 FX SERIES TECHNICAL MANUAL Figure 2.1.1 - Installation and Location (FX Series Only) DRAIN VALVE OPTIONAL Figure 2.1.2 - Installation and Location (Model H Only) Figure 2.2 - Table and Backboard 2023 UnityLab Corp. All rights reserved. | 8 ©/TM...
Page 9: Operating Instructions
FX SERIES TECHNICAL MANUAL 3.0 Operating Instructions (See Addendum for Model H for Model H steam and vacuum unit operating instructions) This section contains instructions and information required to operate the press. Before operating the press, it is important that the operating personnel become thoroughly familiar with the operating instructions.
Page 10: Maintenance & Adjustments
FX SERIES TECHNICAL MANUAL 4.0 Maintenance & Adjustments This sections contains information and instructions required for periodic inspections, lubrication and adjustments of the press. 4.1 Head Covering Depending on the model, the head pressing surface may be a polished casting requiring no grid plate, or a standard tight fitting grid plate.
Page 11: Head Valve
FX SERIES TECHNICAL MANUAL 4.4 Head Valve After considerable use the head valve will not shut off completely, allowing steam to escape. A low gurgling sound in the head, when the press is not being used is usually the first indication.
Page 12: Air Vacuum Valve
FX SERIES TECHNICAL MANUAL 4.6.1 Air Vacuum Valve This is a normally closed valve which should close with a snap when the foot pedal is released. A constant vacuum, or a noticeable reduction in the buck steam is an indication that the vacuum valve is not closing.
Page 13: Pressure Adjustment
2. Y Piece Bearings (requires grease) 3. Bearings and Pivots (light machine oil) 5.0 Trouble Shooting (See Addendum for FX Series steam and vacuum unit troubleshooting) For technical support call 1-800-484-3013 or visit www.buyhoffmansteamnow.com and chat with an agent 5.1 Steam Problems Generally steam problems can be traced to clogged valves, traps, elbows, etc.
Page 14: Buck Valve
FX SERIES TECHNICAL MANUAL First check the spring in the valve handle. Replace if weak or broken before disassembling the valve. To replace the valve seat, disconnect the clamp bolt on the handle support piece and remove from the top of the valve. Remove loose pin; loosen and remove top nut and disc holder from within the valve.
Page 15: Steam Vacuum Valve
FX SERIES TECHNICAL MANUAL 5.4.2 Steam Vacuum Valve This valve is divided into three sections. The first or front section is similar to the air valve. (See Section 5.4.1 for service) The second section is the steam valve. A constant steam leakage into the vacuum exhaust indicates a worn or broken spring or a defective seat.
Page 16 FX SERIES TECHNICAL MANUAL The following item numbers refer to Figure 6.1 through Figure 6.6. Item Part No. Description Qty. 72042 Frame 70721 Y Piece Narrow Toe Cast 70722 Y Piece Wide Toe Cast 037182 ½-13 x l” Head Oscillating Stud...
Page 17 FX SERIES TECHNICAL MANUAL Item Part No. Description Qty. 32720 Front Toggle 32826 13/16 x ½ x .062 Flat Washer 21477 ¾ x 2 ¾ Rocker Pivot Shaft 0569 1 ½ x ¾ Rubber Bumper 32722 Bumper Cup 32814 Push Link Casting...
Page 18 FX SERIES TECHNICAL MANUAL Item Part No. Description Qty. 06113 Pedal Spring 21472N Release Lever Mounting Stud 21473N Release Lever Spacing 04622 5/16-18 x 2" Release Lever Spring Mounting 0503-1 5/16-18 Hex Jam Nut Right Hand 21610 ¾ x 18 3/16 Pedal Shaft...
Page 19: Counterbalance Spring Assemblies
FX SERIES TECHNICAL MANUAL Item Part No. Description Qty. 18852A 1/8 x ¾ Locking Latch Shoe HF70 Head Steam Valve *Note 1: Part number depends on model buck Counterbalance Spring Assemblies Outside Diameter Part No. Color Model 9278 Green FX-M1, FX-T11...
Page 23 FX SERIES TECHNICAL MANUAL Figure 6.7 – HF70 Head Valve Item Part No. Description Qty. HF70-19 Valve Stem HF70-20 Stem Guide 0466-1 ¼-20 x 1 ¾ Hex Head Cap Screw 04910-1 ¼-20 Hex Nut 0522-1 ¼ Lock Washer HF70-2 Body Lock Nut...
Page 24 FX SERIES TECHNICAL MANUAL Figure 6.8 - 14600-L or 14600-S Buck Valve Part No. Description Qty. 14600-1L Body 4 5/8 Long 14600-1S Body 3 ¾ Long HF70-17 Disc Holder Assembly 14600-3L Valve Stem 2 ¾ Long 14600-3S Valve Stem 1 ¾ Long...
Page 25 FX SERIES TECHNICAL MANUAL Figure 6.9 - A V70 1 ¼ and 24648 2” Air Vacuum Valve Assemblies Part No. Part No. Item Description Qty. (1 ¼”) (2”) 18721-5 60871 Disc Retainer 050100-1 050100-1 ¼-20 Elastic Stop Nut 18721-3 24647...
Page 26 FX SERIES TECHNICAL MANUAL Figure 6.10 - V62 Steam Vacuum Valve Item Part No. Description Qty. V62-10 Cylinder Assembly Venturi Nozzle V62-8 Piston Stem Guide V62-9 Gasket Vent Valve Body V62-16 Venturi Nipple V62-3 V62-21 Vent Valve Body Bushing Vent Valve Body...
Page 27 FX SERIES TECHNICAL MANUAL Figure 6.11- 027353 Shock Absorber Item Part No. Description Qty. 027353-1 Shock Oil Level Screw 027353-2 Shock Packing Nut 027353-3 Shock Packing 027353-4 Shock Fiber Gasket 027353-5 Shock Piston Rod Seal 027353-6 Shock Spring 027353-7 Shock Stop Screw...
Page 28: Recommended Spare Parts List
FX SERIES TECHNICAL MANUAL 7.0 Recommended Spare Parts List Part No. Description Qty. HF70-3T Head Valve Teflon Gasket HF70-9 Head Valve Spring HF70-17 Head Valve Disc Holder & Disc HF70-21 Head Valve Stem Washer HF70-17 Head Valve Disc Holder 14600-7T...
Page 29: Appendix A (Model H Only)
FX SERIES TECHNICAL MANUAL Appendix A (Model H Only) Steam System Design Guidelines These guidelines are minimums and do not consider structural supports, thermal expansion, line sizing or air entrapment. • Branch connections must always be made off the top of the header with valving as close as possible to the header.
Page 30: Addendum For Model H
FX SERIES TECHNICAL MANUAL Addendum for Model H 1.0 Introduction This manual contains the installation, operation and maintenance instructions, troubleshooting guide, repair parts illustrations and lists for the Hoffman Electric Steam Generators and Boilers. The Steam Generators and Boilers are designed and manufactured with constant attention to quality, performance, operator safety and energy efficiency.
Page 31: Preliminary Delivery Inspection
FX SERIES TECHNICAL MANUAL 1.3 Preliminary Delivery Inspection INSPECT BOX/CRATE AND STEAM GENERATOR OR BOILER FOR SHIPPING DAMAGE AND SHORTAGE. ANY DAMAGE OR SHORTAGE IN SHIPMENT SHOULD BE NOTED ON THE FREIGHT BILL BEFORE IT IS SIGNED. CALL THE CARRIER IMMEDIATELY TO REPORT ALL DAMAGE OR SHORTAGE AND ARRANGE TO FILE A CLAIM.
Page 32: Safety Summary
FX SERIES TECHNICAL MANUAL 1.5.3 Safety Summary The following are general safety precautions that are not related to any specific instructions and therefore do not appear elsewhere in this manual. These are recommended precautions that personnel must understand and apply during all phases of operation and maintenance.
Page 33: Installation
FX SERIES TECHNICAL MANUAL 2.0 Installation CAUTION SOME ASSEMBLY MAY BE REQUIRED. FOLLOW ASSEMBLY INSTRUCTIONS PROVIDED WITH UNIT. PERFORM ALL ASSEMBLY BEFORE INSTALLING UNIT. 1. Some models are supplied with mounting holes. Mount generator or boiler to a bench or to the floor.
Page 34: Operating Instructions
FX SERIES TECHNICAL MANUAL 3.0 Operating Instructions 1. Open the gauge glass valves on the top and bottom of the gauge glass assembly (on units supplied). 2. Check the drain valve to be certain that it is closed. 3. Filling the boiler: A.
Page 35: Maintenance
FX SERIES TECHNICAL MANUAL 4.0 Maintenance Boiler Theory and Operation A boiler converts water to steam. This conversion requires 1 KW of electrical heater energy to produce 3.5#/hr of steam. Since there is both water and steam within a boiler, the fluid within the boiler is considered as a two-phase fluid.
Page 36: Blowing Down The Boiler
FX SERIES TECHNICAL MANUAL 4.3 Blowing Down The Boiler This procedure should be performed at start up once a week providing the water is clean. In areas with high mineral content or rusty water, this procedure should be performed once a day.
Page 37: Troubleshooting & Servicing
FX SERIES TECHNICAL MANUAL 5.0 Troubleshooting & Servicing For technical support call 1-800-484-3013 or visit www.buyhoffmanpressnow.com and chat with an agent PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION Check incoming power. Lack of power. Check fuses. Check On/Off switch is in “ON” position.
Page 38: Adjusting The Steam Pressure
FX SERIES TECHNICAL MANUAL 5.2 Adjusting The Steam Pressure 5.2.1 Pressure Control The boiler contains a dual-limit pressure controller. The control has been factory set and sealed tight. If adjustment is necessary, the maximum setting shall be 90 psig on rising pressure.
Page 39: Replacing The Gauge Sight Glass
FX SERIES TECHNICAL MANUAL 5.4 Replacing The Gauge Sight Glass 1. Turn off power to the boiler by pulling the plug or turning off power at the branch switch or the circuit breaker. 2. Allow the boiler to cool to zero pressure.
Page 40: Replacing The Electric Foot Switch And/Or Cord
FX SERIES TECHNICAL MANUAL 5.6 Replacing The Electric Foot Switch And/Or Cord (To be performed by a licensed electrician) 1. Turn off the power to the boiler by pulling the plug or turning off the power at the branch switch or the circuit breaker.
Page 41: Cleaning The Electric Solenoid Valve
FX SERIES TECHNICAL MANUAL 5.8 Cleaning The Electric Solenoid Valve (To be performed by a licensed plumber) 1. Turn off the power to the boiler by pulling the plug or turning off power at the branch switch or at the circuit breaker.
Page 42: Tables
FX SERIES TECHNICAL MANUAL 6.0 Tables 6.1 Pressure Vs. Temperature The following table shows the relationship between steam pressure in pounds per square inch (psig), and temperature in degrees Fahrenheit (ºF). This table can be useful in determining the steam temperature at a corresponding pressure. It is helpful in setting the pressure when the steam generator is connected to auxiliary equipment that requires temperature adjustment.
Page 43: Electrical Specifications
FX SERIES TECHNICAL MANUAL 6.2 Electrical Specifications The following table lists voltage and amperage requirements of various models of Steam Generators. Table 6.2.1 Hoffman Steam Generator Voltage Phase Amps 12.0 34/57 2023 UnityLab Corp. All rights reserved. | 43 ©/TM...
Page 44: Drawings & Parts List
FX SERIES TECHNICAL MANUAL 7.0 Drawings & Parts List Figure 7.1 - Assembly for Hoffman Steam Generator Figure 7.2 -52773 (rev B) Wiring Schematic Hoffman Steam Generator 3 Phase Figure 7.3 - 52774 (rev A) Wiring Schematic Hoffman Steam Generator 1 Phase Figure 7.4 - 75384 (rev B) Component Panel Assembly Hoffman Steam Generator...
Page 48 FX SERIES TECHNICAL MANUAL Figure 7.4 – 75384 (rev B) Component Panel Assembly Hoffman Steam Generator For drawing refer to next page Item Part No. Description Qty./ASSY 75384 -2 -3 -4 -5 -6 -7 -8 -9 -10 112298 Component Panel...
Page 50 FX SERIES TECHNICAL MANUAL Figure 7.5 – 75385 (rev B) Outlet Solenoid Assembly Kit Hoffman Steam Generator For drawing refer to next page Item Part No. Description Qty. 73322 Pedal & Cord Assembly 0663310 Strain Relief 90˚ 75587-24 Solenoid Valve Assembly, 2/2, 24V 0150954 “Y”...
Page 52 FX SERIES TECHNICAL MANUAL Figure 7.6 – 75308 (rev B) Water Pump Assembly Kit 220V, 3 Phase Hoffman Steam Generator For drawing refer to next page Item Part No. Description Qty. 085177 Pump, 380-460V, 3 Phase 75588-50 Solenoid Valve Assembly, 1/2”, 24V 75507 Pump Conn./Drain Assembly...
Page 54 FX SERIES TECHNICAL MANUAL Figure 7.7 – 73529 (rev B) Water Pump Assembly Kit Single Phase, Hoffman Steam Generator For drawing refer to next page Item Part No. Description Qty. 3CR6M* Pump, Single Phase 75588-37 Solenoid Valve, 3/8’, 24V 75507 Pump Conn./drain Assembly...
Page 58 FX SERIES TECHNICAL MANUAL Figure 7.10 – 75285 (rev D) Electrical Enclosure Assembly – Hoffman Steam Generator For drawing refer to next page Qty./ASSY .* Item Part No. Description *See chart on drawing for assembly description 75285 112209 Enclosure 108812...
Page 60 FX SERIES TECHNICAL MANUAL Figure 7.11 – 73493 (rev C) Water Pump Assembly Kit Hoffman Steam Generator For drawing refer to next page Qty./ASSY .* Item Part No. Description *See chart on drawing for assembly description 73493 3CT5M* Pump 085177...
Page 62 FX SERIES TECHNICAL MANUAL Optional Parts List Part No. Description Qty. Caster Plate 108577-2 Models: JEL-10, JEL-11, JEL-12, RHPG-15, RHPG-16, RHPG-17 Manual Steam Gun SG755 Models: RHPG-15, RHPG-16, RHPG-17 Handle Kit 74717 Models: JEL-10, JEL-11, JEL-12, RHPG-15, RHPG-16, RHPG-17 Handle Kit List:...

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