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There are several operational issues drivers must always remember. *Telephone
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lines and overhead power cables: The latter should be given a berth equal to the loader's maximum radius plus six metres. Remember that high voltages can jump a narrow air gap.
• Stabilisers must always be deployed.
• Lifting capacity: Drivers must understand how much weight a loader can lift at various radii. The rated-capacity plate will tell them the limits. A 24t/m loader can, for instance, in theory lift a weight of six tonnes positioned 4m away from the vehicle; 24 divided by 4. You must also calculate for the weight and lifting capacity of any attachments.
• Stability systems: HMF has been particularly pro-active in the development of stability systems which prevent the crane lifting a load which could overload and destabilise it. Drivers must understand this feature and the rated capacity indicator. HMF can equip its lorry loaders with an additional safety device called EVS —
' Electronic Vehicle Stability —to prevent loader and vehicle toppling over. If the vehicle tilts more than 50 forwards, backwards, or sideways while the loader is in use, then the crane's behaviour is automatically adjusted to maintain safety.
EV5 is fitted as standard to the two biggest loaders in the company's range. It is optional on other models.
• Bridges or other overhead obstructions: improperly stowed kit is often the danger here. Vehicles over 3m must display a height notice. All vehicles first used since April 1993 must have a height warning device in operation.