Product Description
Atlas AT Z1107 piston spring for manual pallet jack pump assembly. Compatible with Atlas Zenith Type 9 hydraulic units. OEM replacement spring, manufactured from high-tensile spring steel for pump piston return. No cross-reference or superseded part numbers currently available.
Compatibility: Fits pallet jacks made by Atlas, model AT Z1107. Alternate model: ATZ1107. SKU: AT Z1107
Specifications
Dimensional Specifications
| Mounting | Fits piston cylinder assembly as specified for Atlas Zenith Type 9 |
Hydraulic
| Compatible Hydraulic Unit | Atlas Zenith Type 9 |
Material & Construction
| Material Specification | High-tensile spring steel |
Part Numbers
| OEM Part Number | AT Z1107 |
| Manufacturer Part Number | AT Z1107 |
| Compatible Models | Atlas Zenith Type 9 manual pallet jack hydraulic unit |
Frequently Asked Questions
Q: What is the AT Z1107 piston spring and where does it fit?
A: The AT Z1107 is an OEM replacement piston spring for the Atlas Zenith Type 9 manual pallet jack hydraulic pump assembly. It is a critical component that returns the pump piston during the lift cycle. The spring is manufactured from high-tensile spring steel engineered to maintain consistent return pressure across the full pump cycle.
Q: What materials and specifications define the AT Z1107 spring?
A: The AT Z1107 is manufactured from high-tensile spring steel, providing consistent force characteristics and resistance to fatigue failure. Spring tension is calibrated for the Atlas Zenith Type 9 pump assembly specifications. Corrosion-resistant steel composition ensures durability in warehouse environments where hydraulic fluid exposure and humidity are present.
Q: Which Atlas models and hydraulic units are compatible with AT Z1107?
A: The AT Z1107 is compatible with Atlas Zenith Type 9 manual pallet jack hydraulic units. Cross-reference designation is ATZ1107. Verify your hydraulic unit designation (Type 9) in your equipment documentation before ordering. Springs are specific to pump designs and installing an incorrect spring can compromise lift performance and pump reliability.
Q: Are there cross-reference or superseded part numbers for the AT Z1107?
A: No current cross-reference or superseded part numbers are documented for the AT Z1107. The current OEM part number is AT Z1107, with alternate designation ATZ1107. Always verify your pump model matches Atlas Zenith Type 9 specifications before ordering this replacement spring.
Q: What are signs that the AT Z1107 spring needs replacement?
A: Signs of spring wear include: slow or incomplete piston return resulting in sluggish pump action, inability to achieve full lift height, or difficulty in the pump stroke. A weakened spring loses tension and cannot generate sufficient return force. If the pump piston sticks or moves slowly during the return phase, the spring is likely fatigued and requires replacement to restore normal lift performance.
Q: What is the service life of an AT Z1107 piston spring?
A: Spring lifespan depends on frequency of use, load consistency, and maintenance. High-tensile steel resists fatigue, but continuous cycling under load gradually weakens the spring over time. Springs typically last thousands of pump cycles in normal warehouse use but may require replacement sooner under heavy-duty or high-frequency lifting applications. Replace proactively if pump performance degrades.