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© 2010 Bakker Hydraulic Products B.V. 

Nijverheidsweg 6 

6662 NG     Elst (Gld)  The Netherlands 

Tel : + 31 481 374757         Fax : + 31 481 375280 

Site : 

www.bakker-hydraulic.com

        E-mail : 

[email protected]

 

 

2.  ASSEMBLING/DISMANTLING: 
 
2.1  THE CONNECTOR PLATE: 
 
Assembly: 
 
Place the connector plate on the saddle plate. 
Check that the bolt-holes in the connector plate and the saddle plate correspond with 
each other. Fit the 4 bolts and nuts supplied. Tighten everything properly. 
After using the product the next time, check the bolts for tightness and retighten them if 
necessary. 
 
N.B.: 

 

 
Always fit the nut on top. Before fitting the connector plate, determine first how the 
hoses will run from your rotator to the cylinder. 
 
2.2  THE ROTATOR: 
 
2.2.1  Assembling the rotator drive shaft: 
 
Place the rotator drive shaft in the connector plate. 
If the outside measurements of the rotator shaft do not correspond with the inside 
measurements of the connector bush, you probably have the wrong connector plate 
for your rotator. If so, contact your supplier. 
Rotate your rotator shaft until the hole in the rotator shaft is in front of the connector 
bush hole. After this, mount the connector pin and the hairpin spring. 
 
2.2.2  Assembling the rotator with flange fitting: 
 
If you are using a rotator with a flange fitting, the drill-hole pattern in the saddle plate 
must correspond with the drill-hole pattern in the rotator. 
 
Now, you just fasten the rotator to the saddle plate with a bolt joint, according to the 
instructions of the rotator supplier. 
 
2.3  THE HOSES FROM CRANE TO ROTATOR: 
 
The rotator hose connections used for rotation are fitted with throttle valves. You may 
not use the rotator without these throttle valves.  
The hoses from the crane to the rotator used for rotation must be connected to a 
connection point supplied with a throttle valve. 
The hoses from the crane to the rotator, which are used for grabbing, must be 
connected to the two remaining connection points on the rotator. 
 
Note: 
 
If it appears that the operation of the grab bucket and/or rotator does not correspond 
with the data on your operating handles, then you have probably connected the hoses 
incorrectly. 

Содержание RLO

Страница 1: ...OPERATING MANUAL Grab Bucket RLO ...

Страница 2: ...this product CONTENTS 1 OPERATIONAL CONDITIONS 3 2 ASSEMBLING DISMANTLING 2 1 THE CONNECTOR PLATE 4 2 2 THE ROTATOR 4 2 3 THE HOSES FROM CRANE TO ROTATOR 4 2 4 THE HOSES BETWEEN ROTATOR AND CYLINDER 5 2 5 THE LINK 5 2 6 THE DETACHABLE SIDE PLATES 5 2 7 THE RUBBER JAWS 6 2 8 THE SADDLE PLATE 7 2 9 THE CYLINDER 7 3 MAINTENANCE AND REPAIR 8 4 TROUBLE SHOOTING 8 TECHNICAL DATA 9 DIMENSIONAL DRAWING 10...

Страница 3: ... with welded hooks it is also possible to lift goods The user has to use approved hoisting equipment chains hoisting hooks etc If this grab is also being used to lift loads that are held by the compressive force exerted by the grab a non return valve has to be installed It must be fitted directly onto the connections on the cylinder in other words not by means of a hose connection This valve can b...

Страница 4: ...e for your rotator If so contact your supplier Rotate your rotator shaft until the hole in the rotator shaft is in front of the connector bush hole After this mount the connector pin and the hairpin spring 2 2 2 Assembling the rotator with flange fitting If you are using a rotator with a flange fitting the drill hole pattern in the saddle plate must correspond with the drill hole pattern in the ro...

Страница 5: ...ntact the manufacturer or your nearest dealer 2 4 2 Mounting the hoses on a rotator with flange fitting To fit the hose to the hose connection on the hydraulic cylinder see Section 2 4 1 above To connect the hose to the rotator please refer to the rotator manufacturer 2 5 THE LINK Assembly A link is always mounted between the rotator and the jib of the crane Mount the link at the top of the rotato...

Страница 6: ...th the rubbers opposite each other roughly 1400 mm apart Position the grab bucket above the rubber jaws and slowly lower it until the blades of the grab bucket are in the appropriate position for the rubber jaws After this slide the hooks on the load binders over the top of the side panel Now hook the chain of the rubber jaw to the load binder and tighten and lock the whole structure Make sure tha...

Страница 7: ...e the grab bucket in the closed position and make sure it is stable Unscrew the nuts at each end of the cylinder Pull in the piston rod with the aid of oil pressure and make sure when doing so that the cylinder ends are protected from damage Once this has been done the cylinder can be removed in its entirety Dismantling the cylinder Unscrew and remove the head bush When the head bush is removed ca...

Страница 8: ...r 20 working hours check all bolted connections and tighten if necessary Caution With all maintenance activities on the grab bucket the grab bucket must be non operational and stationed on the ground 4 TROUBLESHOOTING Problem Load is no longer held Possible causes Non return valve and or seals Piston seals worn Tips for tracing faults The cylinder may not display any external leakages If it does c...

Страница 9: ...ker hydraulic com TECHNICAL DATA Grab type RLO Width 60 cm 80 cm 100 cm 70 cm 90 cm 120 cm Capacity 275 Ltr 400 Ltr 500 Ltr 335 Ltr 450 Ltr 600 Ltr Weight 275 kg 310 kg 345 kg 290 kg 325 kg 380 kg Max working pressure 250 Bar Press strength 20 kN Max hoisting load Maximum oil flow in non return valve 40 L min 4000 kg 1250 kg Only when a non return valve is being used ...

Страница 10: ...10 2010 Bakker Hydraulic Products B V Nijverheidsweg 6 6662 NG Elst Gld The Netherlands Tel 31 481 374757 Fax 31 481 375280 Site www bakker hydraulic com E mail info bakker hydraulic com ...

Страница 11: ... 6662 NG Elst Gld The Netherlands Tel 31 481 374757 Fax 31 481 375280 Site www bakker hydraulic com E mail info bakker hydraulic com RLO 55 65 80 7028 9205 7011 7007 7023 7040 7006 9204 9206 9203 9012 7022 9202 9013 9018 9011 9010 9017 7003 7004 7010 9003 ...

Страница 12: ... PART NO QUANTITY SPECIFICATION 7003 1 STEADY LINK 7004 2 PIN 7006 2 YOKE 7007 4 PIN 7010 2 SPLIT BUSH 7011 4 SPLIT BUSH 7022 1 NUT 7023 1 NUT 7028 2 ROLL PIN 7040 1 CYLINDER 9003 4 SPLIT BUSH 9010 1 CONNECTOR PLATE 9011 1 CONNECTOR PIN 9012 4 BOLT 9013 4 NUT 9017 2 CIRCLIP 9018 1 HAIRPIN SPRING 9202 1 SADDLE PLATE 9203 1 LOCKING SPANNER 9204 2 SHAFT 9205 2 NUT 9206 4 BOLT SPARE PARTS ...

Страница 13: ...6662 NG Elst Gld The Netherlands Tel 31 481 374757 Fax 31 481 375280 Site www bakker hydraulic com E mail info bakker hydraulic com RLO 90 100 120 7011 7028 9205 7023 7006 7007 7040 9206 9203 9010 7022 7043 9013 9011 9018 9012 9003 7010 7003 7004 9017 7044 ...

Страница 14: ... PART NO QUANTITY SPECIFICATION 7003 1 STEADY LINK 7004 2 PIN 7006 2 YOKE 7007 4 PIN 7010 2 SPLIT BUSH 7011 4 SPLIT BUSH 7022 1 NUT 7023 1 NUT 7028 2 ROLL PIN 7040 1 CYLINDER 7043 1 SADDLE PLATE 7044 2 SHAFT 9003 4 SPLIT BUSH 9010 1 CONNECTOR PLATE 9011 1 CONNECTOR PIN 9012 4 BOLT 9013 4 NUT 9017 2 CIRCLIP 9018 1 HAIRPIN SPRING 9203 1 LOCKING SPANNER 9205 2 NUT 9206 4 BOLT SPARE PARTS ...

Страница 15: ... Gld The Netherlands Tel 31 481 374757 Fax 31 481 375280 Site www bakker hydraulic com E mail info bakker hydraulic com 7040 CYLINDER 7041 CYLINDER CASING 7042 COVER PLATE 9249 CYLINDER SEALS 9387 PISTON 9389 HEAD BUSH 9390 PISTON ROD 7042 7041 9249 9387 9390 9389 7040 ...

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