WOOD'S POWR-GRIP MRTA610DCO Instructions Manual Download Page 7 | Manualshive

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Rev 14.0/5-13

5

MRTA6-DC: #35072

OPERATING FEATURES

Note: Components featured in the following instructions for assembling, operating or

maintaining the vacuum lifter are underlined on their first appearance in each section.

Standard MRTA611LDC shown.

1 LIFT SPOOL

8 BATTERY TEST BUTTON

16 Cover for VACUUM PUMP

2 LIFT BAR

9 AIR FILTER

17 VACUUM PAD

3 INSTRUCTIONS CANISTER

10 VALVE HANDLE

with MOVABLE MOUNT

4 BATTERY

11 LOW VACUUM WARNING LIGHT

18 EXTENSION ARM

5 BATTERY GAUGE

12 VACUUM RESERVE TANK

19 TILT LOCK

6 VACUUM GAUGE

13 CONTROL HANDLE

20 BATTERY CHARGER

7 LOW VACUUM WARNING BUZZER 14 PAD FRAME

21 ROTATION RELEASE LEVER

15 QUICK CONNECTOR

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Summary of Contents for MRTA610DCO

Page 1: ...__________ please see serial label and record number here QUADRA TILT ROTATOR DC VOLTAGE WITH DUAL VACUUM SYSTEM READ ALL INSTRUCTIONS AND WARNINGS BEFORE OPERATING THIS LIFTER DESIGNED FOR THE MATERIALS HANDLING PROFESSIONAL P O Box 368 908 West Main Laurel MT USA 59044 phone 800 548 7341 phone 406 628 8231 fax 406 628 8354 ...

Page 2: ......

Page 3: ...s 12 Performing Inspections and Tests 12 Confirming the Pad Frame Configuration 13 TO APPLY THE PADS TO A LOAD 13 Positioning the Lifter on the Load 13 Sealing the Pads against the Load 13 Reading the Vacuum Gauges 14 Vacuum Level on Optimal Surfaces 14 Vacuum Level on Other Surfaces 14 TO LIFT AND MOVE THE LOAD 15 About the Tilt Linkage 15 Engaging or Disengaging Tilt Locks 15 Load Capacity and t...

Page 4: ...M TEST 25 AIR FILTER MAINTENANCE 26 Filter Function and Conditions Requiring Service 26 Filter Service Procedures 26 VACUUM PUMP MAINTENANCE DYNAFLO DV1032102 27 Replacing the Diaphragm 27 Replacing the Gasket Flap Valves 27 Replacing the Head Assembly 27 VACUUM PUMP MAINTENANCE THOMAS 107CDC20 28 Replacing the Diaphragm 28 Replacing the Intake Valve Flapper 28 Replacing the Exhaust Valve Flapper ...

Page 5: ...ME Standard BTH 1 Design Category B Service Class 0 see www powrgrip com for more information CE Note This symbol appears in the INSTRUCTIONS manual only when requirements of a CE Standard are different from requirements of other standards that also apply to this vacuum lifter CE requirements are mandatory in geographical areas where CE Standards apply but may be optional in other locations 1 Opti...

Page 6: ...ttempt to lift loads the lifter is not designed for see INTENDED USE LOAD CHARACTERISTICS Never attempt to lift cracked or broken glass with this lifter Always position the vacuum pads correctly on the load prior to lifting see OPERATION TO APPLY THE PADS TO A LOAD Never lift a load when any vacuum indicator shows inadequate vacuum Never touch the vacuum release controls during a lift This may res...

Page 7: ...ndard MRTA611LDC shown 1 LIFT SPOOL 8 BATTERY TEST BUTTON 16 Cover for VACUUM PUMP 2 LIFT BAR 9 AIR FILTER 17 VACUUM PAD 3 INSTRUCTIONS CANISTER 10 VALVE HANDLE with MOVABLE MOUNT 4 BATTERY 11 LOW VACUUM WARNING LIGHT 18 EXTENSION ARM 5 BATTERY GAUGE 12 VACUUM RESERVE TANK 19 TILT LOCK 6 VACUUM GAUGE 13 CONTROL HANDLE 20 BATTERY CHARGER 7 LOW VACUUM WARNING BUZZER 14 PAD FRAME 21 ROTATION RELEASE ...

Page 8: ... Locks Then raise the lift bar to a vertical orientation and attach the hoisting equipment hook to the lift spool Note Some hoisting equipment hooks could interfere with an upright load that extends beyond the lifter s pad frame If the load would contact the hook during lifter operation the operator must prevent this by attaching a sling or other rigging that does not interfere with the load betwe...

Page 9: ...modate different load dimensions and weights see SPECIFICATIONS Pad Spread and Load Capacity The following illustration shows several possible configurations Select a configuration to provide optimal support across the load surface and to minimize load overhang see OPERATION BEFORE USING THE LIFTER Standard MRTA611LDC pad frame shown ...

Page 10: ...calculate the load capacity when some vacuum pads are removed consult the Per Pad Load Capacity see SPECIFICATIONS and multiply by the number of pads currently in use Make sure all vacuum hoses are secure and routed to avoid being pinched snagged abraded or otherwise damaged while the lifter is in operation WARNING Make sure all vacuum hoses are coiled or routed so they cannot become entangled kin...

Page 11: ...he extension arm in its socket on the pad frame so that the holes align for the cotterless hitch pin 3 Secure the extension arm in the pad frame by pushing the cotterless hitch pin through the holes until the retaining ball emerges on the far side of the pad frame socket 4 Remove the end of the quick connector from the spring clip on the extension arm and connect the vacuum hose as directed above ...

Page 12: ...of the load are determined by the Pad Spread see SPECIFICATIONS the maximum length and width are determined by the allowable overhang or the amount of load material that can extend sideways beyond the vacuum pads without breaking or otherwise being damaged The allowable overhang depends on the kind of load material being lifted the thickness of the material and the angle at which it is handled if ...

Page 13: ...nt is limited by the Operating Elevation and Operating Temperatures indicated in SPECIFICATIONS The lifter s work environment must be free of metal particles or any other contaminates that could damage lifter components through airborne contact or any other means of transmission in the environment If such contaminates cause a vacuum pump failure they could result in a load release and possible inj...

Page 14: ...ry energy before using lifter See MAINTENANCE BATTERY TEST Perform all inspections and tests required by the INSPECTION and TESTING SCHEDULES see MAINTENANCE In addition if the lifter has been in storage always conduct a VACUUM TEST before placing it in service see MAINTENANCE WARNING Make sure alarm is clearly audible over ambient noise at operator position The volume of the alarm may be adjusted...

Page 15: ...ee TO LIFT AND MOVE THE LOAD About the Tilt Linkage and TO ROTATE THE LOAD EDGEWISE to follow and it may also damage the lifter 8 Make sure that all vacuum pads will fit entirely on the load s contact surface see SPECIFICATIONS Pad Spread and that they will be loaded evenly while lifting see SPECIFICATIONS Per Pad Load Capacity Then apply the lifter to the load so that all pads are touching the co...

Page 16: ...e able to maintain a vacuum level in the green range on both vacuum gauges due to leakage in the seal between the vacuum pads and the load surface 9 In the case of contamination thoroughly clean the contact surfaces of the load and the vacuum pads see MAINTENANCE VACUUM PAD MAINTENANCE Cleaning and reapply the lifter to the load If the load has rough or porous surfaces the operator must conduct a ...

Page 17: ... incidental loading Tilt locks are intended as a secondary safety device and do not eliminate the need to center the load correctly on the pad frame see TO APPLY THE PADS TO A LOAD Positioning the Lifter on the Load preceding CAUTION Failure to center load correctly may damage tilt locks or other lifter components To engage the tilt locks first make sure the pad frame is oriented in either the hor...

Page 18: ...lifter Low Vacuum Warning Buzzer Using the low vacuum warning buzzer requires minimal interaction from the operator The warning buzzer sounds an alarm until the lifter attains sufficient vacuum to lift the maximum load weight see SPECIFICATIONS Load Capacity After the lifter has attained this vacuum level the alarm stops sounding to indicate that the lifter is ready to lift the load WARNING Never ...

Page 19: ...pended load until it can safely be placed on the ground or a stable support Correct any deficiency before resuming normal operation of the lifter TO ROTATE THE LOAD EDGEWISE WARNING Make sure load is positioned correctly on lifter see TO APPLY unbalanced loads may rotate unexpectedly when latch is disengaged Remember that the load is longer in its diagonal dimensions than in its side dimensions Ma...

Page 20: ...linkage is designed to automatically maintain the load in either the upright or the flat position the load force on the control handle changes direction during the tilt If load size permits maintain control with the handle throughout the tilt For loads with overhang it may be necessary to release the control handle as the load approaches the flat position If so keep the load under control using ha...

Page 21: ...ndard EN 13155 the lifter is designed to rest on relatively horizontal surfaces without tipping over To store the lifter in this way set the lifter with the pads facing downward on a clean smooth flat surface Then lower the lift bar to a horizontal orientation and place a support under the lift spool Charge the battery completely when placing it in storage and at six month intervals thereafter see...

Page 22: ...out of service for 1 month or more Examine the lifter s structure for visual damage Examine the vacuum system including vacuum pads fittings and hoses for visual damage Examine the air filter for conditions requiring service see AIR FILTER MAINTENANCE to follow Perform the VACUUM TEST to follow Check for unusual vibrations or noises while operating the lifter If any deficiency is detected during t...

Page 23: ...ERISTICS see INTENDED USE on a stable support Make sure the load is oriented in the upright position 13 2 Apply the vacuum pads to the load as previously directed 3 After the vacuum pump stops running disconnect the electrical connector uniting the battery with the vacuum generating system Note After the test is completed move the valve handle to the RELEASE position power off before reconnecting ...

Page 24: ...battery energy However the battery gauge shuts off temporarily while the vacuum pump is running to prevent an inaccurate reading When the pumping cycle is completed the battery gauge requires a few moments to stabilize before it displays an accurate energy reading again While the valve handle is in the RELEASE position power off the battery energy can be checked manually using the battery test but...

Page 25: ...ge when the load is oriented in any position except horizontal If the contact surfaces of either the load or the vacuum pads are not clean dry and in good condition slippage is more likely to occur The Load Capacity of most Powr Grip lifters is based on a friction coefficient of 1 only Flat Lifters are exempt from this requirement However a vacuum pad s ability to maintain this friction coefficien...

Page 26: ...r conditioners such as those intended for cleaning tires or vinyl surfaces because those products can leave a hazardous film on vacuum pads which significantly reduces their lifting capacity see Friction Coefficient preceding The use of any unauthorized cleaning agent is prohibited because it could damage the pad and or create a hazard to the operator or others WARNING Never use solvents gasoline ...

Page 27: ...ning leave the pads attached to the surface and interrupt the energy flow from the battery Disconnect the electrical connector uniting the battery to the vacuum generating system Note After the vacuum test is completed move the valve handle to the RELEASE position power off before reconnecting the battery 4 Monitor the vacuum gauge The vacuum level should not decrease by more than 4 Hg 14 kPa in 1...

Page 28: ...te Do not attempt to remove the snap ring on the bowl 2 Remove any liquid or other contaminants in the bowl and determine whether the filter screen 2 needs further attention see Conditions Requiring Service preceding If so proceed to step 3 if not skip to step 7 3 Remove the filter screen from the bowl taking care not to damage the screen 4 Clean the screen with mild soap and water using compresse...

Page 29: ...n the illustration Replacing the Gasket Flap Valves 1 Remove the four head screws 1 and lock washers 2 and remove the head assembly 3 7 2 Invert the head and remove the two valve plate screws 7 Remove the valve plate 6 to access the gasket flap valves 3 Replace the gasket flap valves 5 and reverse the steps above for reassembly as shown in the illustration Use the alignment pin 15 to ensure proper...

Page 30: ...four head screws 1 and remove the head 2 2 Invert the head and remove the four valve plate screws 9 3 Lift out the valve plate 6 to access the exhaust valve flapper and head gasket 19 4 Remove the exhaust valve flapper screw 3 and the exhaust valve keeper 4 and replace the exhaust valve flapper 5 5 Replace the head gasket 15 and reverse the steps above for reassembly 1 HEAD SCREWS 6 VALVE PLATE 11...

Page 31: ...equipped with the Dual Vacuum System have 2 vacuum switches Directions are the same for these lifters except that each vacuum switch must be tested and adjusted individually When you are evaluating vacuum system functions under Conditions Requiring Readjustment remember that each vacuum switch corresponds with one vacuum gauge and one vacuum circuit After you have removed the cover from the enclos...

Page 32: ...turn the screw counter clockwise when viewing vacuum switch from end with electrical connectors 2 Recheck the vacuum switch setting following each 1 6th turn of the adjustment screw In order to test the adjustment accurately release the vacuum pads completely before reapplying them to a test surface When the vacuum switch is adjusted correctly the vacuum pump turns off only after vacuum increases ...

Page 33: ...V DC aka low vacuum warning light 1 64236 Vacuum Switch 1 4 NPT 2 64230 Roller Lever Switch 1 64200 Push Button Switch for battery test button 1 59419 Spring Plunger with T Handle 5 8 11 Thread for tilt locks 2 59028 Movable Pad Mount 2 1 2 63 5 mm Tubing Size 6 54392 Battery Connector Twin Lead 1 53122 Pad Fitting Elbow 5 32 4 0 mm ID 6 49646T Vacuum Pad Model G3370 11 28 cm Diameter Lipped 6 496...

Page 34: ...use Repairs are required due to abnormal wear and tear The product has been damaged misused or neglected If a problem is not covered under warranty Powr Grip will notify the customer of costs prior to repair If the customer agrees to pay all repair costs and to receive the repaired product on a C O D basis Powr Grip then will proceed with repairs Wood s Powr Grip Co Inc 908 West Main St P O Box 36...

Page 35: ...Rev 14 0 5 13 33 MRTA6 DC 35072 ...

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