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Resumen del manual
lbs. torque to tighten assembly screw on spring centered bonnet assembly. 8. At the FRONT of the valve remove all parts connected to the spool (handle, linkage, etc.). 9. At the FRONT of the valve remove seal plate retainer, seal retainer, back-up washer and spool O-ring seal. 10. Thoroughly clean counterbore. 11. Lightly oil new O-ring seal. Slide O-ring seal over valve spool and insert in seal counterbore. Replace back-up washer, seal retainer, and seal plate retainer. 12. Reattach all parts connected to the spool (handle, linkage, etc.). ASSEMBLY Basic components for all models can be identified in Figure 12. Refer to Page 38 for photographs of units on their shipping pallets. General: The backhoe has been partially disassembled and strapped to a skid for shipping purposes. Initial installation on the tractor will require a hoist or other device capable of safely lifting the entire backhoe from the skid. After the initial installation is complete, the backhoe can serve as its own erecting hoist, by lowering stabilizers and bucket to the ground. Additional lifting devices will not be required for normal removal and reattaching. Figure 12 C B E D A I G H F Assembly(865H & 965H) -Figure 12 IMPORTANT: Tighten all hardware to torque requirements specified in torque chart. 1. Remove the stabilizer assemblies and any miscellaneous items which have been fastened to the skid and arrange conveniently. Reposition Stabilizer Cylinders from their shipping configuration, by assembling them into the mainframe, using the hardware provided. Be sure cylinder ports are pointed upward and hoses are routed above the cylinder to mainframe pivot pin connection. Refer to page 38. CAUTION DO NOT cut any strapping that fastens the backhoe mainframe and swing frame to the skid base at this time. 2. Support boom(A) and dipperstick (B) with hoist and remove boom transport lock pin. Lower boom and manually extend dipperstick until it rests on ground. Move control handle to “BOOM DOWN” position as required to aid movement. CAUTION Be sure hoist being used is suitable, has sufficient capacity and is in the proper position. Do not allow anyone under a backhoe member supported by hoist. 20 3. Remove plastic bag containing bucket pins from backhoe. Attach bucket (D) to dipperstick using one pin, two bolts, nuts, lockwashers, pin retainers and washers as necessary. 4. Attach bucket link (E) to bucket, using same hardware as listed for step #3. 5. Attach hoist to backhoe to prevent tipping. Remove all remaining strapping and attach stabilizers (F) to mainframe (G) using pins and hardware assembled to backhoe. 6. Attach stabilizer cylinders (H) to stabilizers using pins and hardware assembled to stabilizers. 7. Using caution to prevent tipping, raise mainframe with hoist to a height of approximately 11” for 862H and 13” for 962H and remove skid. Block mainframe (G) and swing frame (I) securely. 8. Follow the Attaching Kit Assembly Instructions to mount the backhoe to the tractor. Check the installation carefully and make sure that all members are correctly installed and securely fastened. Assembly:(665H & 765H) -Figure 12 (See “General” note, page 20) IMPORTANT: Tighten all hardware to torque requirements specified in torque chart. CAUTION DO NOT cut any strapping that fastens the backhoe mainframe and swing frame to the skid at this time. 1. Remove the stabilizer assemblies and any miscellaneous items which have been fastened to skid and arrange conveniently. Reposition stabilizer cylinders from their shipping configuration, by assembling them into the mainframe, using the hardware provided. Be sure cylinder ports are pointed upward and hoses are routed above the cylinder to mainframe pivot pin connection. Refer to page 36. 2. Support Boom (A) and Dipperstick (B) with hoist and remove Boom transport lock pin. Lower Boom and manually extend Dipperstick until it rests on the ground. Move control handle to “Boom Down” position as required to aid movement. CAUTION Be sure hoist being used is suitable, has sufficient capacity and is in the proper position. Do not allow anyone under a backhoe member supported by hoist. 3. Remove plastic bag containing bucket pins from backhoe. Attach Bucket (D) to Dipperstick using one pin, two bolts, locknuts, pin retainers, and washers as needed to take up gap under pin retainers. 4. Attach Bucket Link (E) to Bucket, using same hardware as listed for step #3. 5. Reposition hoist on backhoe to prevent tipping and raise Mainframe slightly. Remove all remaining strapping and crate base. Using caution to prevent tipping, raise Mainframe (G) approximately 10” and block Mainframe and Swing Frame securely. 6. Attach Stabilizers (F) to Mainframe (G) using pins and hardware assembled to Stabilizers (F). 7. Attach Stabilizer Cylinders (H) to stabilizers (F) using pins and hardware assembled to Stabilizers (F). 8. Follow the Attaching Kit Assembly Instructions to mount the backhoe to the tractor. Check the installation ca...
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