Product Description
CONTROL LEVER
Specifications
Product Overview
| Part Number | 00591-43278-81 |
| Product Type | Control Lever Assembly |
Physical Specifications
| Primary Material | Cast Iron or Aluminum Body |
| Internal Components | Steel Pivot Pin, Hydraulic Valve Linkage |
| Grip Material | Plastic or Rubber |
| Function | Hydraulic Pump Actuation - Lift, Lower, Directional Control |
| Lever Operation | Manual Hand-Operated |
| Load Class Compatibility | Varies by Equipment Model |
| Typical Service Life | 5-10 Years (with proper maintenance) |
| Common Failure Modes | Pivot Pin Corrosion/Wear, Valve Linkage Bending, Cast Iron Cracks from Impact |
Frequently Asked Questions
Q: What does the control lever (SKU 00591-43278-81) do in a pallet jack?
A: The control lever is the operator interface that activates the pump and hydraulic functions. It controls lifting, lowering, and can include steering control depending on your equipment model. A broken or stuck control lever prevents safe operation of the pallet jack.
Q: Which pallet jack and forklift models use this control lever?
A: The 00591-43278-81 is compatible with manual and electric pallet jacks from Crown, Toyota, Raymond, and Yale. Verify your equipment model and the lever mounting point before ordering, as lever throw distance and pump port connections vary across models.
Q: What material is the control lever made from?
A: The control lever is typically cast iron or aluminum with a steel pivot pin and internal linkage. The grip is usually plastic or rubber. The material choice depends on equipment load class and intended use environment.
Q: What are common failure modes for control levers?
A: Control levers fail when the pivot pin corrodes or wears, causing the lever to stick or become difficult to move. Internal hydraulic valve linkage can bend or break with rough handling. Cracks in cast iron levers from impact damage are not repairable.
Q: How long does a control lever typically last?
A: With proper maintenance and careful operator technique, a control lever lasts 5 to 10 years. Aggressive jerking motions, excessive force, or exposure to harsh chemicals reduce lifespan. Inspect the lever weekly for cracks, corrosion, or play at the pivot point.