Piston and Rings
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Illustration 1 | g06087463 |
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Specification for 455-1594 Piston | |||
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Item | Qty | Part | Specification Description |
Before assembly of the piston rings, lubricate the ring grooves with clean engine oil. | |||
1 | 1 | 488-9888 Piston Ring | Install with side marked “UP-1” toward top of the piston. |
Thickness of the new piston ring is |
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Clearance of the ends when assembled in a new cylinder liner of bore |
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Increase in clearance for each |
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2 | 1 | 448-3651 Piston Ring | Install with side marked “UP-2” toward top of the piston. |
Thickness of the new piston ring is |
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Clearance of the ends when assembled in a new cylinder liner of bore |
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Increase in clearance for each |
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3 | 1 | 165-6668 Piston Ring | The ends of the spring coil should be placed 180 degrees from the end gap of the oil control piston rings. |
Thickness of the new piston ring is |
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Clearance of the ends when assembled in a new cylinder liner of bore |
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Increase in clearance for each |
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Width of the groove (A) in the piston is |
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4 | 1 | 448-0574 Piston | Lubricate the entire piston to 360 degrees prior to assembly into the cylinder block. Use clean engine oil. |
5 | 1 | 302-3451 Piston Pin | Thoroughly lubricate the piston pin with clean engine oil prior to assembly. |
Diameter is |
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Bore of the bushing (B) for piston pin is |
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Bore for bushing in the piston is |
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6 | 2 | 253-1238 Pin Retainer | Install the pin retainer with the opening towards top of the piston as shown in Illustration 1. |
After installing the piston rings, rotate the piston rings so that the end gaps are placed at 120 degrees distance from each other. |
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