When the trolley is fitted to the beam the user adjusts the 'Take-up screws' to approx 1mm from the underside of the lifting beam. When the locking pin is tightened the 'Take-up' pins will be forced to clamp against the underside of beam, resulting in a three point clamp.
The manual trolley series VLH features extremely low headroom. The swivel truck construction allows negotiation of very short radius curves. All-steel construction with low headroom. The swivel truck feature permits application on runways with very short radius curves. All units are variably adjustable to individual beam sizes. Anti-drop devices and anti-tilt devices are standard features. All geared (VLHG) units come complete with 2.4 metre HCD (hand chain drop) as standard to suit 3m HOL (height of lift).
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