Product Description
CHAIN ASSEMBLY
Specifications
Product Overview
| Part Number | 079904-A |
| Product Type | Chain Assembly |
Physical Specifications
| Function | Connects pump lever to lifting mechanism |
| Material | Steel chain with reinforced connectors |
| Load Capacity | 2500 to 5500 lbs (varies by jack model) |
| Typical Service Life | 3-8 years (normal warehouse use) |
| Condition | New/Direct Replacement |
Compatibility
| Application | Manual Pallet Jacks |
Frequently Asked Questions
Q: What is the 079904-A chain assembly?
A: The 079904-A is a chain assembly for manual pallet jacks that connects the pump lever to the lifting mechanism. It is a variant of the 079904 series, with the A designation indicating a specific chain configuration or length.
Q: Which pallet jack brands use the 079904-A?
A: The 079904-A fits manual pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, and similar OEM manufacturers. Confirm your truck model matches before ordering to avoid incorrect fitment.
Q: How does the 079904-A differ from the 079904-00A variant?
A: The 079904-A and 079904-00A are chain assembly variants within the same product line. The 00A variant may have a different chain length, link count, or connector style. Do not interchange these parts. Always confirm which variant your jack requires.
Q: What load does this chain assembly support?
A: The chain is rated for the full lifting capacity of the pallet jack it is installed on, typically 2500 to 5500 pounds depending on the jack model. The chain strength is engineered to handle maximum rated load plus safety margin. Overloading accelerates wear.
Q: What signs indicate this chain needs replacement?
A: Replace the chain if the pump handle feels loose, sluggish, or does not engage the lift. Visible slack, kinking, rust, or broken links signal failure. If oil leaks from connection points or the pump fails to hold pressure, the chain assembly may be the cause.
Q: What is the typical service life of this chain assembly?
A: In normal warehouse operation, chain assemblies last 3 to 8 years. Heavy use, cold storage, or outdoor environments reduce lifespan. Regular visual inspection and maintenance detect wear early and prevent sudden failure.