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THE CLOSED CENTRE PLUG IS FOR INSTALLATION IN 
THE BACKHOE VALVE ON UNITS WHICH WILL BE USED 
ON TRACTORS WITH A CLOSED CENTRE HYDRAULIC 
SYSTEM.   
 
NOTE:  THE OPTIONAL PTO PUMP (PTO70) IS AN OPEN 
CENTRE SYSTEM AND DOES NOT REQUIRE THE 
CLOSED CENTRE PLUG. 
 

 

 

 

CLOSED CENTER PLUG INSTALLATION: 
 
TO CONVERT BACKHOE VALVE  FOR CLOSED CENTRE 
OPERATION REMOVE PLUG A, AND INSTALL CLOSED 
CENTER PLUG WITH LONG SHOULDER.   

Closed centre plug 

CLOSED CENTRE PLUG INSTALLATION

CLOSED CENTRE PLUG INSTALLATION

CLOSED CENTRE PLUG INSTALLATION

CLOSED CENTRE PLUG INSTALLATION    

Содержание Wallenstein GX600

Страница 1: ...1 BACKHOES MODELS GX600 GX700 GX900 OPERATING INSTRUCTIONS AND PARTS MANUAL B072004 B072004 B072004 B072004 PRINTED IN CANADA ...

Страница 2: ... parts which will be done at no charge within a reasonable time after the receipt of the product Units or parts should be returned at the customer s expense to the nearest re pair location or Authorized Service Centre Pack unit in a strong carton and pad tightly to avoid damage Damage in transit is not covered by warranty Include original purchase receipt with any claim keeping a copy for your fil...

Страница 3: ...fore operating the backhoe look for obstructions in the line of movement Stay clear from low overhead electrical wires when the backhoe is in the upper position Verify the ground s conditions before digging and ensure digging area is free from underground cables and pipes Keep people and animals at a safe distance while operating the backhoe and never let anyone into the bucket or onto the backhoe...

Страница 4: ...ractor weight must be on the front tractor wheels with backhoe in transport position BACKHOES STANDARD FEATURES STANDARD FEATURES STANDARD FEATURES STANDARD FEATURES Optimum performance with 5 7 gpm hydraulic system Dual cylinder swing provides maximum power where it is needed All pivot points have grease fittings for easy maintenance Full width replaceable bronze bushings on all wearable pivot po...

Страница 5: ...egrees 180 degrees Swing Arc 180 degrees 180 degrees 180 degrees Stabilizer Spread Operating Position 90 in 8 ft 8 ft System Relief Valve Setting 2000 psi 2250 psi 2250 psi Dipper Boom Digging Force 1180 lbs 1300 lbs 2600 lbs Bucket Digging Force 1950 lbs 2600 lbs 4100 lbs Boom Lift Capacity Appr 400 lbs Appr 800 lbs Appr 1200 lbs Hydraulic Volume Requirements 5 7 gpm 5 7 gpm 5 7 gpm Recommended T...

Страница 6: ...all hydraulic lines from the tractor Always store your backhoe on a flat and solid surface in a dry location Be sure to have the bucket attached to the backhoe prior to storage to avoid a sta bility problem when re attaching the backhoe Maintenance Grease all lubrication points with a grease gun daily See tractor man ual for hydraulic oil filter change recommendations Check daily for oil leaks tig...

Страница 7: ...and connect suction hose from reservoir A DIAGRAM 3 to pump through hole with other hoses in main backhoe frame DIAGRAM 2 3 Connect inlet hose at valve to pressure port on pump Connect return line from valve to fitting on bottom of reservoir on filter head B DIAGRAM 3 4 Install oil as required Approximate system capacity is 5 gallons Dual purpose hydraulic transmission oil is recommended 5 Attach ...

Страница 8: ... boom 1 B13109 B13028 B13029 21 cylinder main boom 1 B13110 B13030 B13031 22 hose boom cylinder shaft end 1 B13111 B13032 B13032 23 hose boom cylinder butt end 1 B13111 B13032 B13032 24 pin boom cylinder shaft end 1 B13085 B13085 B13085 25 pin boom cylinder butt end 1 B13060 B13060 B13060 26 pin main boom 1 B13022 B13022 B13022 27 pin pivot swing top and bottom 2 B13037 B13037 B13037 28 cylinder r...

Страница 9: ...1 1 2 X 2 B13315 15 DIPPER CYL SHAFT END 2 1 X 1 3 4 B13314 19 DIPPER CYL BUTT END 2 1 X 1 3 4 B13314 14 DIPPER BOOM PIVOT 2 1 1 2 X 2 B13315 7 BUCKET CYL SHAFT END 1 1 X 2 1 2 B13313 13 BUCKET CYL BUTT END 2 1 X 1 3 4 B13314 8 DIPPER LINKAGE PIVOT 2 1 X 1 3 4 B13314 4 BUCKET DIPPER PIVOT 2 1 X 1 3 4 B13314 3 BUCKET LINKAGE PIVOT 2 1 X 1 3 4 B13314 7 LINKAGE CYLINDER PIVOT 2 1 X 1 B13316 Replaceab...

Страница 10: ...l kit 1 9 O ring order seal kit 1 10 bearing seal order seal kit 1 11 U cup seal order seal kit 1 12 Piston 1 13 shaft nut 1 seal kit for 2 cylinder seal kit for 2 1 2 cylinder seal kit for 3 cylinder Cylinder Diameters GX600 Main boom cylinder 2 1 2 all other cylinders 2 diameter GX700 All cylinders are 2 1 2 in diameter GX900 Main boom cylinder 3 all other cylinders 2 1 2 diameter PART NUMBERS F...

Страница 11: ...B13314 2 B13314 2 BUCKET CYL 2 1 2 B13016 ORDER COMPLETE CYL B13433 B13422 B13423 B13424 B13415 B13314 2 B13313 1 SWING CYL RH 2 1 2 B13038 ORDER COMPLETE CYL B13434 B13422 B13423 B13424 B13415 B13311 2 PIVOT B13312 2 SWING CYL LH 2 1 2 B13039 ORDER COMPLETE CYL B13434 B13422 B13423 B13424 B13415 B13311 2 PIVOT B13312 2 STABILIZER CYL RH 2 1 2 B13043 ORDER COMPLETE CYL B13436 B13422 B13423 B13424 ...

Страница 12: ...12 ...

Страница 13: ...rew M5 P 0 8 x 35 6 B13242 Relief valve replacement solid plug B13239 13 lever M8 x 125 stabilizer 2 B13214 14 jam nut M8 P1 25 2 B13234 15 rod end with stud 4 B13228 Backhoe valve is normally shipped set up for open 16 rubber boot for joystick 2 B13212 center hydraulic system When using backhoe with 17 hex socket cap screw M6 P1 0x25 8 B13243 closed center system AET SD5 plug 31 in diagram 18 jam...

Страница 14: ...14 Locations of Grease Fittings Grease machine daily to ensure longevity of your backhoe ...

Страница 15: ...P PTO70 IS AN OPEN CENTRE SYSTEM AND DOES NOT REQUIRE THE CLOSED CENTRE PLUG CLOSED CENTER PLUG INSTALLATION TO CONVERT BACKHOE VALVE FOR CLOSED CENTRE OPERATION REMOVE PLUG A AND INSTALL CLOSED CENTER PLUG WITH LONG SHOULDER Closed centre plug CLOSED CENTRE PLUG INSTALLATION CLOSED CENTRE PLUG INSTALLATION CLOSED CENTRE PLUG INSTALLATION CLOSED CENTRE PLUG INSTALLATION ...

Страница 16: ...16 ...

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