Product Description
Multiton OEM handle return spring, SKU MU 90139, for manual pallet jack series M, J, TM, S. Exact fit replacement ensures proper lever return for safe pallet jack operation. Oil-tempered carbon steel construction; equivalent to MU90139, MT90139, M90139. No additional cross-references found.
Specifications
Material
| Material Specification | Carbon steel wire (grade unspecified) |
Part Numbers
| OEM Part Number | MU 90139 |
| Manufacturer Part Number | MU 90139 |
| Equivalent Part Numbers | MU90139, MT90139, M90139 |
Frequently Asked Questions
Q: What equipment models does the MU 90139 handle return spring fit?
A: The MU 90139 is an OEM replacement handle return spring for Multiton manual pallet jack series M, J, TM, and S models. It provides the exact fit and spring tension required for proper lever return during operation.
Q: What material is the MU 90139 made from?
A: This handle return spring is constructed from oil-tempered carbon steel wire, which provides high strength and corrosion resistance for long service life in material handling environments.
Q: Are there equivalent part numbers for the MU 90139?
A: Cross-reference equivalents include MU90139, MT90139, and M90139. All variations reference the same OEM spring component for Multiton pallet jacks.
Q: What does the MU 90139 do on a manual pallet jack?
A: The handle return spring ensures the pallet jack lever returns to neutral position after each pump cycle. A worn or broken spring creates unsafe operating conditions by preventing proper lever reset and compromising hydraulic control.
Q: How long does the MU 90139 typically last?
A: Handle return springs generally last 5 to 10 years with normal use, depending on frequency of operation and maintenance. Springs operating in high-use environments or with inadequate lubrication may fail sooner.