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KEEP FOR FUTURE REFERENCE

INSTRUCTIONS

International Version

MODEL NUMBERS: MRT49DC,

MRT4HV11DC, MRT411LDC

SERIAL NUMBER: ___________

(please see serial label and record number here)

MANUAL ROTATOR / TILTER

DC-VOLTAGE

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

Содержание MRT411LDC

Страница 1: ...NUMBER ___________ please see serial label and record number here MANUAL ROTATOR TILTER DC VOLTAGE 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 ...

Страница 2: ......

Страница 3: ... Performing Inspections and Tests 10 TO APPLY THE PADS TO A LOAD 11 Positioning the Lifter on the Load 11 Sealing the Pads against the Load 11 Reading the Vacuum Gauge 12 Vacuum Level on Optimal Surfaces 12 Vacuum Level on Other Surfaces 12 TO LIFT AND MOVE THE LOAD 13 Positioning the Lift Bar 13 Load Capacity and the Warning Light 13 Monitoring Vacuum Indicators 13 Monitoring the Low Vacuum Warni...

Страница 4: ... TEST 23 AIR FILTER MAINTENANCE 24 Filter Function and Conditions Requiring Service 24 Filter Service Procedures 24 VACUUM PUMP MAINTENANCE DYNAFLO DV1032102 25 Replacing the Diaphragm 25 Replacing the Gasket Flap Valves 25 Replacing the Head Assembly 25 VACUUM PUMP MAINTENANCE THOMAS 107CDC20 26 Replacing the Diaphragm 26 Replacing the Intake Valve Flapper 26 Replacing the Exhaust Valve Flapper a...

Страница 5: ... its service life see INTENDED USE ASME 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 ...

Страница 6: ...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 result in loss of vacuum and release of th...

Страница 7: ...n 1 LIFT BAIL 7 AIR FILTER 15 CONTROL HANDLE 2 INSTRUCTIONS CANISTER 8 BATTERY GAUGE 16 VACUUM RESERVE TANK 3 BATTERY 9 BATTERY TEST BUTTON 17 ROTATION RELEASE LEVER 4 TILT RELEASE LEVER 10 VALVE HANDLE 18 VACUUM PAD 5 LOW VACUUM WARNING LIGHT 11 VACUUM GAUGE 19 BATTERY CHARGER 6 Enclosure with VACUUM SWITCH 12 ROTATION WEAR PLATE 20 EXTENSION ARM and LOW VACUUM WARNING BUZZER 13 Cover for VACUUM ...

Страница 8: ... that does not interfere with the load between the hook and the lift bail WARNING Any sling used must be rated to carry maximum load weight plus lifter weight Use the hoisting equipment to raise the lifter out of the shipping container Be careful to avoid damaging any vacuum pads Remove the pad covers and save them for use whenever the lifter is stored 3 Arrange the pad frame in the configuration ...

Страница 9: ...rame Then adjust the rotation wear plate to utilize the secondary rotation stops see discussion to follow Extended Configuration This configuration provides a large rectangular pad spread Insert all 4 extension arms in the main pad frame and secure them with the cotterless hitch pins provided Mount the vacuum pads at the outer ends of the arms using the second set of cotterless hitch pins Secondar...

Страница 10: ...ood s Powr Grip or an authorized dealer for more information While the minimum length and width 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 l...

Страница 11: ...pump failure Using the lifter in wet environments may require the operator to take special precautions Moisture on contact surfaces of the load or vacuum pads diminishes the lifter s slip resistance thereby reducing the lifting capacity see MAINTENANCE VACUUM PAD MAINTENANCE Friction Coefficient WARNING Moisture reduces slip resistance of vacuum pads Although the lifter s exterior surfaces can tol...

Страница 12: ...l Performing Inspections and Tests WARNING Always check battery 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 CAUTION Examine each air filter regularly and empty when nece...

Страница 13: ...ing the contact surface Sealing the Pads against the Load Firm pressure at the center of the lifter helps the vacuum pads begin to seal against the load Pull the valve handle outward until it latches securely in the APPLY position power on as shown This energizes the vacuum pump causing air to be drawn at the pads immediately The red low vacuum warning light also turns on and remains illuminated u...

Страница 14: ... 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 test to determine whether the lifter is designed to lift the load as follows 1 Make sure the lifter s vacuum generating system is functioning correctly see...

Страница 15: ...tire lift WARNING Vacuum indicators must be visible to operator throughout entire lift If the vacuum system experiences leakage while the lifter is attached to the load the vacuum pump turns on automatically as required to maintain sufficient vacuum for lifting the maximum load weight The low vacuum warning light also turns on and remains illuminated while the pump is running to signal the reducti...

Страница 16: ...cuum pads and the load Since the alarm may sound in such circumstances consult the section TO APPLY THE PADS TO A LOAD Vacuum Level on Other Surfaces to determine whether the lifter can be used to lift the load If the vacuum loss is due to any other cause perform inspection and maintenance as needed to identify and correct any deficiency before resuming normal operation of the lifter Controlling t...

Страница 17: ...d Remember that the load is longer in its diagonal dimensions than in its side dimensions Make sure there is sufficient clearance for the load to rotate without contacting the operator or any nearby objects Maintain a firm grip on the control handle to keep the load under control at all times Pull the rotation release lever to disengage the rotation latch and rotate the load to the desired positio...

Страница 18: ...n a firm grip on the control handle to keep the load under control at all times If the pad frame is latched in the vertical position pull the tilt release lever to disengage the tilt latch and prepare for a slight surge of motion as the load begins to 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 ha...

Страница 19: ...dard 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 bail Charge the battery completely when placing it in storage and at six month intervals thereafter see M...

Страница 20: ...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...

Страница 21: ...ERISTICS see INTENDED USE on a stable support Make sure the load is oriented in the upright position 9 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 t...

Страница 22: ...attery 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 butt...

Страница 23: ...e 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 coefficient...

Страница 24: ...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 ...

Страница 25: ...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...

Страница 26: ...t element gaskets 7 and bowl seal for disposal later 5 Clean all other internal parts and the bowl using mild soap and water only Do not use any other cleansing agents 6 Place the new element gaskets and element along with the old deflector 3 on the element holder and screw the assembly back into the filter body tighten gently finger tight 7 Lubricate the new or cleaned bowl seal 2 14 using a mine...

Страница 27: ... 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 ...

Страница 28: ...our 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 16 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 ...

Страница 29: ...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...

Страница 30: ...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 ...

Страница 31: ...er Switch 1 64200 Push Button Switch for battery test button 1 59028 Movable Pad Mount 2 1 2 63 5 mm Tubing Size 4 54392 Battery Connector Twin Lead 1 53120 Pad Fitting Elbow 3 64 1 2 mm ID 4 53114 Hose Fitting Coupler 1 4 6 4 mm Barb 4 49646T Vacuum Pad Model G3370 11 28 cm Diameter Lipped 4 49643T Vacuum Pad Model G3370 11 28 cm Diameter Lipped Low Marking option 4 49614T Vacuum Pad Model HV11F ...

Страница 32: ...se 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 368...

Страница 33: ...Rev 26 0 4 13 31 MRT4 DC 35070 ...

Страница 34: ...Rev 26 0 4 13 32 MRT4 DC 35070 ...

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