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Product Overview:

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Converts crankshaft rotation into reciprocating piston movement, supporting the internal hammering mechanism of compatible power tools. The Metabo HPT - Hitachi 980707 Hammer Drill Connecting Rod Assembly links moving components within the drive mechanism to help maintain coordinated operation. This OEM replacement assembly supports the mechanical connection required by the hammer-drive system.

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Mechanical Motion Transfer:

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Transfers mechanical movement between the crankshaft and piston to produce the reciprocating motion required within the hammer drill's drive mechanism. The connecting rod assembly maintains the mechanical relationship between these moving components, allowing rotational movement from the crankshaft to be converted into the piston movement used during tool operation.

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Hammer Drive Mechanism:

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Supports the coordinated movement of the internal hammer-drive components by maintaining the connection between the rotating and reciprocating elements of the mechanism. The connecting rod assembly works as part of this motion system, allowing the piston to follow the movement generated by the crankshaft during the hammer drill's operating cycle.

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Replacement Guidelines:

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Replacement is recommended when the connecting rod assembly has developed physical damage, excessive wear, looseness, or deterioration that affects its ability to maintain the required mechanical connection between the piston and crankshaft. Because this component operates within a moving drive assembly, deterioration can affect the coordinated movement of related internal components. Replacement should be considered when inspection or the equipment manufacturer's parts information identifies the connecting rod assembly as the affected component.

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Common Signs of Wear:

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Equipment Compatibility:

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The Metabo HPT - Hitachi 980707 Connecting Rod Assembly is intended for compatible Hitachi and Metabo HPT rotary hammers, demolition hammers, and hammer drills that use this specific connecting rod configuration. As a genuine OEM replacement part, it is designed to match the original piston connection and internal drive mechanism. Confirm the exact tool model and parts diagram before ordering.

", "shortDescription": "The Metabo HPT - Hitachi 980707 Connecting Rod Assembly is a top replacement part for Metabo HPT and Hitachi power tools. Being this essential part, it is used to connect the piston to the crankshaft to ensure the piston moves smoothly and efficiently against the prescribed distance until it reaches the TDC, so we can achieve optimum tool performance. It’s crafted with durable materials that will last and last. The assembly restores power tools to high operation, minimizing downtime and extending the durability of the equipment. It’s ideal for supporting consistent performance, making it a must have in any tool maintenance routine.", "technicalDetails": "Brand: Metabo HPT - Hitachi; Part Number: 980707; Product Type: Connecting Rod Assembly; Equipment Type: Hammer Drill", "showAttributeSpecs": true, "productHighlights": null, "installationGuide": null, "troubleShootingGuides": "

The Metabo HPT - Hitachi 980707 Connecting Rod Assembly transfers piston movement to the crankshaft for dependable engine operation. Wear or internal damage can reduce compression, create engine noise, and affect overall mower performance.

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This part fixes the following symptoms:

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• Engine develops internal knocking.

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• Loss of engine compression.

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• Piston movement becomes irregular.

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• Excessive connecting rod wear.

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• Engine loses power under load.

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Engine Develops Internal Knocking

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Quick Check: Listen for a repeating metallic knocking sound while the engine is running.

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Fix Suggestion: Verify the connecting rod and crankshaft journal remain within acceptable wear limits before reassembly.

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Prevention Tip: Maintain the recommended engine oil level to minimize internal component wear.

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Loss of Engine Compression

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Quick Check: Perform a compression test to determine whether compression is below specification.

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Fix Suggestion: Examine the connecting rod for deformation or excessive bearing clearance that may affect piston travel.

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Prevention Tip: Follow scheduled oil changes to reduce internal engine wear.

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Engine Loses Power Under Load

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Quick Check: Operate the mower in thick grass and observe whether power drops noticeably.

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Fix Suggestion: Check for connecting rod wear that limits efficient piston movement throughout the engine cycle.

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Prevention Tip: Avoid prolonged operation with insufficient engine lubrication.

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Excessive Connecting Rod Wear

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Quick Check: Measure bearing surface clearance during engine disassembly.

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Fix Suggestion: Install a new connecting rod assembly if wear exceeds service specifications.

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Prevention Tip: Use the recommended engine oil viscosity for operating conditions.

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Customer Experience: One mower owner restored smooth engine operation after installing the Metabo HPT - Hitachi 980707 Connecting Rod Assembly to address internal engine wear.

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\n Metabo Hpt - Hitachi 980707 Connecting Rod Assembly\n

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Description

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\n The Metabo HPT - Hitachi 980707 Connecting Rod Assembly is a top replacement part for Metabo HPT and Hitachi power tools. Being this essential part, it is used to connect the piston to the crankshaft to ensure the piston moves smoothly and efficiently against the prescribed distance until it reaches the TDC, so we can achieve optimum tool performance. It’s crafted with durable materials that will last and last. The assembly restores power tools to high operation, minimizing downtime and extending the durability of the equipment. It’s ideal for supporting consistent performance, making it a must have in any tool maintenance routine.\n
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