Upenders
Southworth Upenders are designed for safe and efficient repositioning (up to 90°) of large workpieces, flat sheets, or rolls. With tilt angles of 30°, 45°, and 90°, these upenders provide precise control and safer handling through a smooth, direct-acting hydraulic system, allowing operators to stop and hold the upender at any point in its travel. The standard platen height is 10”, with customization options available.
Key Features
- Load Capacity: Handles 2,000, 4,000, or 6,000 lbs.
- Tilt Angles: Options for 30°, 45°, or 90° tilt
- Platform Sizes: Standard platform size of 48” x 84”
- Construction: Available with a solid platen or forks
- Customization: Various accessories, including “V” decks and conveyors
Specifications
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Download PDFTroubleshooting
Tilter lowers too slowly
Upenders
| Possible Cause | Check This |
| Down valve may not be fully open or stuck closed | Remove down valve and clean. |
| Flow control may need adjustment. | Adjust flow control as needed. |
Tilter raises too slowly
Upenders
| Possible Cause | Check This |
| Low voltage | Check voltage at motor to ensure proper voltage is being supplied. |
| Foreign material clogging suction filter, breather cap or pressure line | Remove necessary components and clean. |
| Pump may be overheating due to insufficient oil. | Check oil level and oil viscosity. |
Tilter will not lower
Upenders
| Possible Causes | Check This |
| Down valve may be de-energized. | Check the solenoid in the valve with a volt meter. |
| Flow control needs adjustment | Adjust flow control as needed. |
Tilter fails to hold a load
Upenders
| Possible Cause | Check This |
| Down valve may be leaking | Remove down valve and inspect for debris which may be preventing it from closing. |
| Down valve may be energized | Ensure that the down valve coil is not being energized when the up button is pushed. Verify no stray voltage to down valve coil preventing it from being fully closed. Check the wiring. |
| Cylinder may be leaking | Check for oil in cylinder in the vent line. |
Tilter will not raise or run up
Upenders
| Possible Cause | Check This |
| Weight of load too heavy | Ensure that the actual weight of the load is at or below maximum allowed. |
| Motor not running | Check the main disconnect switch, fuses, and wiring to the motor. A 20-amp dedicated breaker must be supplied for 115V single phase 1 horse power motors. |
| Hydraulic oil level low | When unit is raised as far as possible, oil level should be 3/4" from bottom of tank. When lift is down, 3/4" from top. |
| Machine reached limit switch. | Limit switch may need to be adjusted. |
| "Single phasing" of motor | If motor hums but does not turn, check motor wiring and line fuses. |
| Motor voltage too low | Supply voltage should be +/- 10% of the rating at the motor terminals. |
| Tank vent plugged | If supplied, remove solid plug from tank and insert vent plug. |
| Suction filter clogged | Clean suction filter as described in periodic maintenance. |
| Vacuum leak in suction line | Check all fittings in suction line. |
| Down valve may be energized. | Ensure that the down valve coil is not being energized when the up button is pushed. Verify no stray voltage to down valve coil preventing it from being fully closed. Check the wiring. |
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