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INTENDED FOR USE BY PROFESSIONAL EQUIPMENT OPERATORS
OPERATING
INSTRUCTIONS
READ AND UNDERSTAND BEFORE
OPERATING THIS EQUIPMENT
APPLICABLE TO SERIAL NUMBERS 20230847
AND LATER. FOR EARLIER NUMBERS,
SEARCH WPG'S ARCHIVE.
QUADRA-TILT ROTATOR,
DC-VOLTAGE WITH
INTELLI-GRIP® TECHNOLOGY
(Available with REMOTE CONTROL SYSTEM)
Model numbers: MRTA811LDC3 (shown),
MRTA810TDC3, MRTA810CDC3O
Original Instructions © Wood's Powr-Grip Co., Inc.
Rev 11.5/2-25
1
908 W. Main • P.O. Box 368
Laurel, MT USA 59044
(1) 800-548-7341
(1) 406-628-8231
www.wpg.com
MRTA8-DC3: #35121
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Summary of Contents for WOOD'S POWR-GRIP MRTA811LDC3
- Page 1 APPLICABLE TO SERIAL NUMBERS 20230847 AND LATER. FOR EARLIER NUMBERS, SEARCH WPG’S ARCHIVE. QUADRA-TILT ROTATOR, DC-VOLTAGE WITH INTELLI-GRIP® TECHNOLOGY (Available with REMOTE CONTROL SYSTEM) Model numbers: MRTA811LDC3 (shown), MRTA810TDC3, MRTA810CDC3O Original Instructions © Wood’s Powr-Grip Co., Inc. Rev 11.5/2-25 MRTA8-DC3: #35121...
- Page 2 Rev 11.5/3-25 MRTA8-DC3: #35121...
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Page 3: Table Of Contents
TABLE OF CONTENTS SPECIFICATIONS ..................3 SAFETY....................5 OPERATING FEATURES................6 ..................6 IFTER EATURES ® C ............7 NTELLI ONTROL EATURES ASSEMBLY....................8 ..........10 HANGE THE RAME ONFIGURATION Installing or Removing Extension Arms and Repositioning Vacuum Pads ......12 Using Secondary Rotation Stops ..................13 Connecting/Disconnecting Vacuum Hoses ...............14 INTENDED USE ..................15 ................15 HARACTERISTICS... - Page 4 TABLE OF CONTENTS In Case of a Power Failure....................26 .................27 OTATE THE ..................28 ILT THE ............29 ELEASE THE ADS FROM THE ................30 FTER SING THE IFTER Storing the Lifter .......................30 Transporting the Lifter ......................31 INSPECTIONS AND TESTS..............32 ................32 NSPECTION CHEDULE ....................33 ESTING Lifter/Load Compatibility Test...................33...
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Page 5: Specifications
Designed for use with hoisting equipment, MRTA8-DC3 lifters support loads using vacuum and Product Description manipulate loads using manual 360° rotation and mechanically assisted, manual 90° tilt motions. Model Number MRTA811LDC3 MRTA810TDC3 MRTA810CDC3O 10" [25 cm] nom. diameter, 11" [28 cm] nom. diameter, 10"... - Page 6 SPECIFICATIONS Note: A standard MRTA811LDC3 is shown. Rev 11.5/3-25 MRTA8-DC3: #35121...
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Page 7: Safety
SAFETY Wear personal protective equipment Do not use a lifter if the that is appropriate for the load Maximum Load Capacity or any material. Follow trade association safety label appears to be guidelines. missing or obscured. Do not remove or obscure safety Make sure the contact surfaces of labels. -
Page 8: Operating Features
17 LIFT POINT Not Shown: 9V BATTERY HOLDER Note: : A standard MRTA811LDC3 is shown. Although some of the following photos do not show this specific lifter, they all illustrate how this kind of lifter functions. For information about specific parts, see “REPLACEMENT PARTS”... -
Page 9: Intelli -Grip ® Control Unit Features
OPERATING FEATURES ® C NTELLI ONTROL EATURES LCD SCREEN WITH BATTERY GAUGE “POWER” BUTTON “FUNCTION” BUTTON “ATTACH” BUTTON “RELEASE” BUTTON Rev 11.5/3-25 MRTA8-DC3: #35121... -
Page 10: Assembly
ASSEMBLY Remove all shipping materials and save them with the shipping container for future use. 2) Suspend the lifter from appropriate hoisting equipment: 2.1) 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 11 ASSEMBLY 2.4) Use the hoisting equipment to remove the lifter from the shipping container. Avoid damaging the vacuum pads. Connect the electrical connectors (figs. 3A-B and figs. 3C-D). Install the 9-volt battery for the notification buzzer as directed in “N OTIFICATION UZZER ATTERY...
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Page 12: T O Change The Pad Frame Configuration
ASSEMBLY HANGE THE RAME ONFIGURATION Rev 11.5/3-25 MRTA8-DC3: #35121... - Page 13 Various pad frame configurations enable the lifter to match different load dimensions and weights. The illustrations on the preceding page show all approved configurations. Pad Spread and Maximum Load Capacities are listed for a standard MRTA811LDC3 lifter (see “SPECIFICATIONS” on page 3 for other models).
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Page 14: Installing Or Removing Extension Arms And Repositioning Vacuum Pads
ASSEMBLY Installing or Removing Extension Arms and Repositioning Vacuum Pads 1) Remove the cotterless hitch pin that secures the movable pad mount to the pad frame (fig. 1A). Remove the vacuum pad from the pad frame (fig. 2A) and, if necessary, disconnect the vacuum hose. -
Page 15: Using Secondary Rotation Stops
ASSEMBLY Using Secondary Rotation Stops Align the secondary rotation stops for correct use of the pad frame in long, narrow configurations. Rev 11.5/3-25 MRTA8-DC3: #35121... -
Page 16: Connecting/Disconnecting Vacuum Hoses
ASSEMBLY Connecting/Disconnecting Vacuum Hoses To connect a vacuum hose, push the male and female ends of Make sure quick the quick connector together until they lock (fig. 1A). connectors seal completely and all vacuum To disconnect a vacuum hose, move the release ring on the hoses function correctly (see female end until the quick connector separates (fig. -
Page 17: Intended Use
INTENDED USE HARACTERISTICS Make sure the vacuum lifter is intended Do NOT lift explosives, radioactive to handle each load according to these substances or other hazardous materials. requirements: • The load weight must not exceed the Maximum Load Capacity. • The load must be a single piece of relatively nonporous material with a flat and 1, 2 relatively smooth contact surface. -
Page 18: Indirect Loading
INTENDED USE NDIRECT OADING Make sure to account for dynamic loading or other inadvertent Indirect loading loading that can negatively affect lifting capacity, such as: can reduce lifting capacity. • Weight amplification that results when a loaded vacuum lifter abruptly starts/stops moving, changes direction or bounces up and down (eg, when a telehandler transports a loaded lifter across rough terrain). -
Page 19: 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 and regulatory Read all directions and safety standards for lifter operation in your region. -
Page 20: Performing Inspections And Tests
OPERATION Performing Inspections and Tests • Follow the “I ” “T ”. NSPECTION CHEDULE ESTING • Service the 2 air filters whenever a bowl contains Examine air filters regularly liquid or other contaminants, or an element and service when needed. appears dirty (see “A ”... -
Page 21: Preparing To Use The Remote Control System
OPERATION Preparing to Use the Remote Control System The optional radio transmitter (fig. 1A) and radio receiver enable you to activate the lifter's “attach” and “release” functions at distances up to 250' [76 m], provided you have a clear and direct view of the lifter and its status indicators. -
Page 22: T O Attach The Pads To A Load
OPERATION TTACH THE ADS TO A Make sure the contact surfaces of the load and vacuum pads are clean (see “Pad Cleaning”). Positioning the Lifter on the Load Center the pad frame on the load (fig. 1A). If the lifter has tilt locks, disengage them first. -
Page 23: Powering Up The Lifter
OPERATION Powering up the Lifter Press the lifter's power button ( — fig. 1A). The vacuum pump will run for a few seconds, as a normal function of the ® Intelli-Grip self-diagnostics. The lifter automatically tests the 9-volt battery for the notification buzzer each time the lifter is powered up. -
Page 24: Reading The Vacuum Gauges
OPERATION The vacuum pump will run until the vacuum pads seal completely. If the lifter takes too long to attach, the notification buzzer chirps and the LCD screen displays “Vacuum not increasing normally”, along with a diagnostic code (see “I ®... -
Page 25: T O Lift And Move The Load
OPERATION IFT AND OVE THE Lift bar must be vertical to lift load. About the Tilt Linkage The tilt linkage minimizes operator effort and Unbalanced loads may tilt automatically holds a balanced load in either unexpectedly during lifter operation. the upright or the flat position. However, an Make sure load is positioned unbalanced load may tilt unexpectedly, correctly on lifter. -
Page 26: Engaging Or Disengaging Tilt Locks
OPERATION Engaging or Disengaging Tilt Locks Tilt locks prevent tilt movement due to wind loads or other unexpected forces. They should be used whenever the operator cannot maintain control of the load directly (eg, when using the lifter to install glass in multi-story buildings). -
Page 27: Interpreting The Lift Light
OPERATION Interpreting the Lift Light When vacuum is sufficient to lift the Never lift load unless lift Maximum Load Capacity, the vacuum light is illuminated, because premature lifting could lift light turns on automatically and the result in load release and vacuum pump turns off temporarily, to personal injury. -
Page 28: 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 29: T O Rotate The Load
OPERATION OTATE THE Make sure load is positioned correctly on lifter (as previously directed). Make sure the load has enough clearance to rotate without contacting anyone or anything. 2) Use the control handle (circled in fig. 2A) to keep the load under control at all times. -
Page 30: T O Tilt The Load
OPERATION ILT THE Keep hands and fingers away from tilt linkage. Make sure the load has enough clearance to tilt without contacting anyone or anything. 2) Use the control handle (circled in fig. 2A) to keep the load under control at all times. 3) Make sure the tilt locks (circled in fig. -
Page 31: 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. 1) Hold the “function” button ( — fig. 1A) and the “release” button ( — fig. 1A). If the vacuum seal does not break, follow the directions on the LCD screen. -
Page 32: After Using The Lifter
OPERATION FTER SING THE IFTER Press the power button ( — fig. 1A) and the “function” button ( — fig. 1A) to power down the vacuum lifter. 2) Charge the battery after each workday as needed (see “12-V ATTERY ”). ECHARGE 3) Use the hoisting equipment to lower the lifter gently onto a stable support. -
Page 33: Transporting The Lifter
OPERATION Disconnect the electrical connectors (figs. 3A-B and figs. 3C-E) to prevent battery discharge. 4) Store the lifter in a clean, dry location. Store the battery between 32° and 70° F [0° — 21° C]. Avoid storage above 100° F [38° C]. Transporting the Lifter Secure the lifter in the original shipping container with the original shipping materials or equivalent. -
Page 34: Inspections And Tests
INSPECTIONS AND TESTS NSPECTION CHEDULE Perform inspections according to the following frequency schedule. If any fault is found, correct it and perform the next most frequent inspection before using the vacuum lifter. Note: If a lifter is used less than 1 day in a 2-week period, perform the Periodic Inspection before using it. -
Page 35: Testing
INSPECTIONS AND TESTS ESTING Perform the following test to determine whether or not a load surface is too porous or rough: Lifter/Load Compatibility Test 1) Make sure the vacuum generating system is functioning correctly (see “Vacuum Test”). 2) Thoroughly clean the load surface and the vacuum pads (see “Pad Cleaning”). -
Page 36: Operational Tests
INSPECTIONS AND TESTS Perform the following tests before placing the lifter in service initially and following any repair, when directed in the “I ”, or whenever necessary: NSPECTION CHEDULE Operational Tests Test all features and functions of the lifter (see “OPERATING FEATURES” and “OPERATION”). Vacuum Test 1) Clean the face of each vacuum pad (see “Pad... -
Page 37: Rated Load Test
INSPECTIONS AND TESTS Rated Load Test The following steps must be performed or supervised by a qualified person: 1) Use a test load that weighs 125% (± 5%) of the Maximum Load Capacity and has the appropriate “L ”. HARACTERISTICS 2) Attach the vacuum pads to the load as previously directed. -
Page 38: Maintenance
MAINTENANCE Note: Refer to SERVICE MANUAL #36106 when applicable. ACUUM AINTENANCE Pad-to-Load Friction Coefficient The friction coefficient represents the lifter's ability to resist load slippage. The Maximum Load Capacity is based on a friction coefficient of 1, as determined by testing of clean, new, standard rubber vacuum pads on clean, dry, regular glass. -
Page 39: Pad Cleaning
MAINTENANCE Pad Cleaning Regularly clean the face of each vacuum pad (fig. 1A), using soapy water or other mild cleansers to remove oil, dust and other contaminants. Never use harsh chemicals on vacuum pad. Solvents, petroleum-based products (including kerosene, gasoline and diesel fuel) or other harsh chemicals can damage vacuum pads. -
Page 40: T O Replace Sealing Ring In Vpfs10T Pads
MAINTENANCE VPFS10T P EPLACE EALING ING IN If the lifter has VPFS10T vacuum pads, replace sealing rings (#49724RT or #49724TT) as follows: 1) Remove the old sealing ring (fig. 1A). Note: Make sure the entire vacuum pad is clean, including the mounting groove. -
Page 41: 12-Volt Battery Recharge
MAINTENANCE 12-V ATTERY ECHARGE Charge the battery whenever the battery gauge shows reduced energy. Caution: Make sure the lifter is powered down. Identify the input voltage marked on the battery Make sure power source has charger and plug it in to an appropriate power ground fault circuit interrupter. -
Page 42: Notification Buzzer Battery Replacement
MAINTENANCE OTIFICATION UZZER ATTERY EPLACEMENT 1) Power down the lifter. 2) Release the 9V battery holder by pressing inward and sideward in the direction marked on the holder. Slide the battery tray out (fig. 3A). 4) Install a new 9-volt battery according to the polarity markings. 5) Slide the battery tray back into position. -
Page 43: Intelli -Grip ® Diagnostic Codes
MAINTENANCE ® D NTELLI IAGNOSTIC ODES Refer to the following table when a diagnostic code appears on the LCD screen. Codes are listed in alphanumeric order. Note: If the Explanations/Directions do not resolve the issue, contact qualified service personnel. All relevant parts are listed under “REPLACEMENT PARTS” in these OPERATING INSTRUCTIONS or corresponding SERVICE MANUAL. - Page 44 MAINTENANCE Strobe Buzzer Code On-Screen Message Light Explanations/Directions Pattern Activity Condition: Failure detected in memory hardware. occasional “EEPROM error, cell #” (none) chirp Solution: Service is required. Condition: Communication error detected within control system. I000 “I2C error (#)” single chirp (none) Solution: Power down lifter and power up again.
- Page 45 MAINTENANCE Strobe Buzzer Code On-Screen Message Light Explanations/Directions Pattern Activity Condition: Only “power” button was used. “Also hold [Fn] to power down” (none) (none) Solution: Hold “power” button AND “function” button at same time to power down lifter. Condition: Incorrect combination of buttons was used in apparent attempt to power down lifter.
- Page 46 MAINTENANCE Strobe Buzzer Code On-Screen Message Light Explanations/Directions Pattern Activity REQUIRED ACTION: Immediately lower load onto stable support until sufficient vacuum can be obtained. “INSUFFICIENT VACUUM #!” Condition: Vacuum level in circuit indicated is insufficient V001 for lifting. V002 continuous V003 Solution: Check load and vacuum pads for damage, as (# indicates relevant vacuum...
- Page 47 MAINTENANCE Strobe Buzzer Code On-Screen Message Light Explanations/Directions Pattern Activity continuous in “attach” “Sensor # error (high)” Condition: Vacuum sensor malfunction in vacuum circuit V091 mode; indicated. V092 (none) 1 chirp every V093 Solution: Make sure sensor connector is attached (# indicates relevant vacuum minute in V094...
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Page 48: Replacement Parts
REPLACEMENT PARTS Stock No. Description Qty. Quick Connector – 1/8 FNPT – Male End ‒ Single w/45° Barb 93022 Quick Connector – 1/8 FNPT – Female End ‒ Double w/45° Barbs 93021 65442CA Vacuum Hose – 0.160" ID x 1/4" OD – Red 65442BB Vacuum Hose –... -
Page 49: Registration And Limited Warranty
WARRANTY RETURN FORM at wpg.com for important details about the Limited Warranty. ® Wood's Powr-Grip (WPG) products are warranted to be free from defects in manufacturing and materials for 1 year from the date of purchase. If a problem develops during the warranty period, follow the instructions below to obtain warranty service. - Page 50 Rev 11.5/3-25 MRTA8-DC3: #35121...
- Page 51 Rev 11.5/3-25 MRTA8-DC3: #35121...
- Page 52 Rev 11.5/3-25 MRTA8-DC3: #35121...
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