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Illustration 1 | g00777651 |
(A) Stick cylinder (B) Boom (C) Bucket cylinder (D) Bucket control linkage (E) Bucket |
Note: All bores must be free of paint. Coat all bores for pins with lubricant.
Note: Make sure that the bearings are installed in the bore so that the identification numbers of the bearings are facing outward.
(1) 4I-4915 Pin Assembly
- Diameter after plating ... 69.850 ± 0.025 mm (2.7500 ± 0.0010 inch)
- Minimum thickness for plating ... 0.005 mm (0.0002 inch)
- Bore diameter for pin ... 70.0 mm (2.76 inch)
- Minimum thickness for plating ... 0.005 mm (0.0002 inch)
(2) Use the necessary shims to adjust the lateral clearance.
- 166-1486 Shim ... 2.0 mm (0.08 inch)
(3) 4I-4914 Pin Assembly
- Diameter after plating ... 79.850 ± 0.025 mm (3.1437 ± 0.0010 inch)
- Minimum thickness for plating ... 0.005 mm (0.0002 inch)
- Bore diameter for pin ... 80.0 mm (3.15 inch)
- Minimum thickness for plating ... 0.005 mm (0.0002 inch)
(4) Lubricate the sealing lip slightly with the lubricant that is being sealed. Install the dust seal so that the lip faces to the outside. Refer to the detail. Install the seal so that the seal does not extend beyond the face of the boss.
(5) Two 201-2786 Sleeve Bearings
- Outside diameter ... 130.115 ± 0.012 mm (5.1226 ± 0.0005 inch)
- Inside diameter ... 110.3 ± 0.02 mm (4.343 ± 0.001 inch)
- Installation depth for the bearing in the bearing bore ... 9.5 ± 0.8 mm (0.37 ± 0.03 inch)
- Inside diameter ... 110.3 ± 0.02 mm (4.343 ± 0.001 inch)
(6) Two 163-3749 Sleeve Bearings
- Outside diameter ... 85.160 ± 0.013 mm (3.3527 ± 0.0005 inch)
- Inside diameter ... 70.267 ± 0.037 mm (2.7664 ± 0.0015 inch)
- Installation depth for the bearing in the bearing bore ... 7.5 ± 0.8 mm (0.30 ± 0.03 inch)
- Inside diameter ... 70.267 ± 0.037 mm (2.7664 ± 0.0015 inch)
(7) Two 186-5588 Sleeve Bearings
- Outside diameter ... 95.180 ± 0.013 mm (3.7472 ± 0.0005 inch)
- Inside diameter ... 80.69 ± 0.43 mm (3.1768 ± 0.0169 inch)
- Installation depth for the bearing in the bearing bore ... 7.5 ± 0.8 mm (0.30 ± 0.03 inch)
- Inside diameter ... 80.69 ± 0.43 mm (3.1768 ± 0.0169 inch)