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WPG FLEXR Series Operating Instructions Manual

Flat lifter, air-powered
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KEEP FOR FUTURE REFERENCE
OPERATING
INSTRUCTIONS
INTENDED FOR USE BY SKILLED
PROFESSIONALS • READ AND
UNDERSTAND BEFORE OPERATING
FLEXR(L) SERIES
FLAT LIFTER,
AIR-POWERED
Model numbers: FLEXR4HV11AIR,
FLEXR6HV11AIR, FLEXRL6HV11AIR (shown)
Record serial number in blank space above (to locate, see serial
Rev 5.1/4-21
label on the product).
1
908 W. Main • P.O. Box 368
Laurel, MT USA 59044
800-548-7341 (phone)
406-628-8231 (phone)
406-628-8354 (fax)
www.WPG.com
FLEXR(L)-HV11AIR: #35036

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  • Page 1 INSTRUCTIONS 908 W. Main • P.O. Box 368 Laurel, MT USA 59044 800-548-7341 (phone) 406-628-8231 (phone) 406-628-8354 (fax) INTENDED FOR USE BY SKILLED www.WPG.com PROFESSIONALS • READ AND UNDERSTAND BEFORE OPERATING FLEXR(L) SERIES FLAT LIFTER, AIR-POWERED Model numbers: FLEXR4HV11AIR, FLEXR6HV11AIR, FLEXRL6HV11AIR (shown) Record serial number in blank space above (to locate, see serial Rev 5.1/4-21...
  • Page 2 FLEXR(L)-HV11AIR: #35036 Rev 5.1/4-21...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS ..................3 SAFETY....................5 OPERATING FEATURES................6 ASSEMBLY....................7 INTENDED USE ..................9 .................9 HARACTERISTICS ................10 PERATING NVIRONMENT ................10 ISPOSAL OF THE IFTER OPERATION..................11 ................11 EFORE SING THE IFTER Taking Safety Precautions ....................11 Performing Inspections and Tests ..................11 ............12 SE THE PTIONAL HUTOFFS ................13...
  • Page 4 TABLE OF CONTENTS ................21 NSPECTION CHEDULE ....................22 ESTING Lifter/Load Compatibility Test...................22 Operational Tests ......................23 Vacuum Test........................23 Rated Load Test.........................24 MAINTENANCE ..................25 ...............25 ACUUM AINTENANCE Pad Inspection ........................25 Pad Cleaning ........................26 REPLACEMENT PARTS................27 LIMITED WARRANTY ................28 ...........28 BTAIN EPAIRS OR ARRANTY ERVICE FLEXR(L)-HV11AIR: #35036 Rev 5.1/4-21...

  • Page 5: Specifications

    3..Vacuum pads, filter elements and other wear-out items are excluded. 4..To view this guide, click the link at right. Additionally, you can search for your lifter's Model Number at www.wpg.com and select the “Troubleshooting” link on the product page.
  • Page 6 SPECIFICATIONS Note: A standard FLEXR6HV11AIR is shown. FLEXR(L)-HV11AIR: #35036 Rev 5.1/4-21...

  • Page 7: Safety

    SAFETY Wear personal protective Make sure the contact surfaces of equipment that is appropriate for the load and vacuum pad are clean the load material. Follow trade before attaching the lifter (see association guidelines. “MAINTENANCE”). Do not remove or obscure safety Position the vacuum pads correctly labels.

  • Page 8: Operating Features

    OPERATING FEATURES Features shown here are underlined on their first appearance in each section following. LIFT POINT CONTROL HANDLE SLIDING PAD ARM VACUUM PAD with MOVABLE MOUNT VACUUM RESERVE TANK AIR FILTER (large) PAD FRAME AIR FILTER (small) AIR PRESSURE REGULATOR/GAUGE 10 AIR SUPPLY VALVE 11 VACUUM GAUGE VACUUM CONTROL VALVE...

  • Page 9: Assembly

    ASSEMBLY 1) Remove all shipping materials and save them with the shipping container for future use. 2) Select a crane and/or hoist rated for the Maximum Load Capacity plus the Lifter Weight. Note: Any lifter use must comply with all statutory or regulatory standards for hoisting equipment in your region.
  • Page 10 ASSEMBLY 7) Connect the lifter to an appropriate compressed air supply (see Power Source under “SPECIFICATIONS”): Note: Qualified service personnel should install the female quick connector (supplied) on the compressed air line. Caution: Make sure the air line is routed so that it does not become tangled or damaged during operation.

  • Page 11: Intended Use

    2..A “single piece” of material includes curtainwall assemblies, unitized glazing systems and similar construction units. 3..Vacuum pads made from a heat-resistant rubber compound can enable you to lift loads with higher surface temperatures. Contact WPG or an authorized dealer for more information.

  • Page 12: Operating Environment

    1..Although lifter use may be possible at higher elevation, lifting capacity is reduced whenever the lifter is unable to attain vacuum in the green range on the vacuum gauge. Contact WPG for more information. 2..Special provisions may allow the lifter to operate outside the specified temperature range. Contact WPG for more information. FLEXR(L)-HV11AIR: #35036...

  • Page 13: Operation

    OPERATION EFORE SING THE IFTER Determine whether the vacuum lifter is capable of each intended task (see “SPECIFICATIONS” “INTENDED USE”). Then complete the following preparations: Taking Safety Precautions • Be trained in all industry Read all directions and safety rules before using and regulatory standards lifter.

  • Page 14: T O Use The Optional Pad Shutoffs

    OPERATION SE THE PTIONAL HUTOFFS Each pad shutoff on the pad frame controls the vacuum line to the adjacent vacuum pad. Activating or deactivating the airflow at specific pads enables the lifter to handle loads with different weights and dimensions (see “SPECIFICATIONS”) or to avoid holes in the load surface. To support the maximum load weight and larger load Closing any pad shutoff dimensions, all pads must be activated;...

  • Page 15: T O Adjust Pad Positions

    OPERATION DJUST OSITIONS To reposition the vacuum pads on the pad frame for Position vacuum hoses handling various load dimensions (see “OPERATING as needed to prevent FEATURES”), move the sliding pad arms and movable pad damage to them during lifter mounts as needed to provide optimal load support and to operation.

  • Page 16: Positioning Pad Mounts

    OPERATION Positioning Pad Mounts Remove the cotterless hitch pin from one movable pad mount (fig. 1A). 2) Move the pad mount to a suitable position where the pin holes align (fig. 2A). 3) Reinsert the pin (fig. 3A). 4) Reposition the other pad mount on the same arm at an equal distance from the main beam of the pad frame (fig.

  • Page 17: T O Attach The Pads To A Load

    OPERATION TTACH THE ADS TO A Generating Airflow Make sure the lever on the vacuum control valve is in the center position (fig. 1A). Place the air supply valve in the “on” position ( — see “ASSEMBLY”). Never place air supply valve in "off" position ( ) while operating lifter.

  • Page 18: Sealing The Pads On The Load

    2..Although a vacuum pad may become distorted during shipping or storage, this condition should correct itself with continued use. 3..If the lifter is used above the maximum Operating Elevation (see “SPECIFICATIONS”), it may not be able to maintain sufficient vacuum for lifting. Contact WPG for more information. FLEXR(L)-HV11AIR: #35036...

  • Page 19: Ift And Ove The Oad

    OPERATION IFT AND OVE THE Never attempt to lift load when lifter is in horizontal orientation. Interpreting the Vacuum Gauge Vacuum is sufficient Never lift load unless vacuum gauge registers in the to lift the Maximum green range, because premature lifting could result in Load Capacity whenever the load release and personal injury.

  • Page 20: Controlling The Lifter And Load

    OPERATION Controlling the Lifter and Load When the lifter is ready, use the hoisting equipment to raise the lifter and load as needed. Use a control handle (circled in fig. 1A) to keep the lifter and load in the required position. Once there is enough clearance, you may move the load as required.

  • Page 21: T O Release The Pads From The Load

    OPERATION ELEASE THE ADS FROM THE Make sure load is at rest and fully supported before releasing vacuum pads. Place the lever on the vacuum control valve in the “release” position ( ) to break the vacuum seal (fig. 1A). Do not move lifter until pads release completely, because such movement could result in load damage or personal injury.

  • Page 22: After Using The Lifter

    OPERATION FTER SING THE IFTER 1) Place the air supply valve in the “off” position ( ). 2) Use the hoisting equipment to lower the vacuum lifter gently onto a stable support. Then detach the hoisting hook from the lift point. Caution: Do not set lifter on surfaces that could soil or damage vacuum pads.

  • Page 23: Inspections And Tests

    2..The Periodic Inspection is also required whenever the lifter has been out of service for 1 year or more. Keep a written record of all Periodic Inspections. If necessary, return the lifter to WPG or an authorized dealer for repair (see “LIMITED...

  • Page 24: Testing

    12" Hg [-41 kPa] for 5 minutes. If not, lifting this load requires additional precautions (eg, a load sling). Contact WPG for more information. 8) Lower the load after 5 minutes or before the vacuum level diminishes to 12" Hg [-41 kPa].

  • Page 25: Operational Tests

    1..The load surface should have either a flat surface or no more curvature than the lifter is designed for (if any). 2..For more information, search for your lifter’s Model Number at www.wpg.com and select the “Troubleshooting” link on the product page.

  • Page 26: Rated Load Test

    7) Prepare a written report of the test and keep it on file. 1..An equivalent simulation may also be used. Contact WPG for more information. 2..A “qualified person” has successfully demonstrated the ability to solve problems relating to the subject matter and work, either by possessing a recognized degree in an applicable field or a certificate of professional standing, or by possessing extensive knowledge, training and experience.

  • Page 27: Maintenance

    MAINTENANCE Note: Refer to SERVICE MANUAL #36112 when applicable. ACUUM AINTENANCE The Maximum Load Capacity is determined by testing of clean, new, standard rubber vacuum pads on clean, dry, regular glass. If the lifter is used under any other conditions, a qualified person must first determine the effective lifting capacity.

  • Page 28: Pad Cleaning

    4) Allow each pad to dry completely before using the lifter. 1..A brush with bristles that do not harm rubber can help remove contaminates clinging to sealing edges. If these cleaning methods are not successful, contact WPG or an authorized dealer for assistance. FLEXR(L)-HV11AIR: #35036...

  • Page 29: Replacement Parts

    Shoulder Bolt – Socket Head – 5/16" x 1" x 1/4-20 Thread (for mounting pads) 24/36 * Quantity as required; hose sold by the foot (approx 30.5 cm). SERVICE MANUAL #36112 for additional parts. ERVICE ONLY WITH IDENTICAL REPLACEMENT PARTS WPG.COM AVAILABLE AT OR THROUGH AN AUTHORIZED DEALER Rev 5.1/4-21 FLEXR(L)-HV11AIR: #35036...

  • Page 30: Limited Warranty

    Contact the WPG Technical Service Department. When factory service is required, ship the complete product – prepaid – along with your name, address and phone number to the street address listed at the bottom of this page. WPG may be reached by phone or fax numbers listed below.

This manual is also suitable for:

Flexrl seriesFlexr4hv11airFlexr6hv11airFlexrl6hv11air

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