A Procedure to Install Quick Coupler Hydraulic Line Mounting Brackets on Certain 307E2 Mini Hydraulic Excavators is Now Available {6502}
- Mini Hydraulic Excavator
- 307E2 (S/N: KC91-UP)
Description Of Change: A procedure to install quick coupler hydraulic line mounting brackets on certain 307E2 Mini Hydraulic Excavators is now available. The procedure below shows the parts required and the procedure for attaching quick coupler hydraulic line mounting brackets.
Adaptable To: The procedure to install quick coupler hydraulic line mounting brackets is effective with and adaptable to the machines listed in Table 1.
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Procedure to Install Quick Coupler Hydraulic Line Mounting Brackets | ||
---|---|---|
Sales Model | Effective with S/N | Adaptable to S/N |
307E2 | S/N:KC9189-UP | S/N:KC91-188 |
Required Parts
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Required Parts | ||
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Qty | Part Number | Part Name |
1 | Plate | |
1 | Plate | |
|
Loctite 9460 Hysol Epoxy Structural Adhesive or equivalent |
Installation Procedure
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Illustration 1 | g06028265 |
Positioning the bucket linkage for welding (1) Bucket Linkage (2) Stick Assembly |
- Remove bucket and position the linkage so that is arranged furthest away from the stick assembly. Lower the stick assembly onto a wooden block at a comfortable height for welding. Refer to KENR9862 for system pressure release procedure. Turn off the engine and battery isolator switch.
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Illustration 2 g06028438 Location for quick coupler hydraulic line mounting brackets
(3)323-6610 Plate
(4)388-7426 Plate
(A)61 mm (2.40 inch)
(B)62.5 mm (2.46 inch)
(C)200 mm (7.87 inch)
(D)570 mm (22.44 inch) - Mark locations for plates (3) and (4) on the stick assembly according to the dimensions in Illustration 2.
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Illustration 3 g06028464 Illustration of plate weld location, dimension, and weld type
(3)323-6610 Plate
(4)388-7426 Plate
(E)20 mm (0.79 inch)
(W1)5 mm (0.20 inch) fillet weld - Remove the paint on the stick assembly and plate (3) and (4) edges where welding is required. Weld plates (3) and (4) to stick assembly as shown in Illustrations 2 and 3.
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Illustration 4 g06028474 Illustration of finished installation of quick coupler hydraulic line mounting brackets
(3)323-6610 Plate
(4)388-7426 Plate
(5) Loctite 9460 Hysol Epoxy Structural Adhesive or equivalent - After the weld has cooled, apply epoxy (5) on plates (3) and (4) as shown in Illustration 4. Touch up paint after epoxy dries.
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