- Heavy Duty
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Wheels and castors, according to this definition are constructional parts that are generally interchangeable.
They are fitted to apparatus, furniture, transport systems or similar products to make them mobile.
This product information refers to castors and wheels, particularly to swivel castors (not steer castors) which are used on non-powered equipment at a speed not exceeding walking pace and not being under continuous motion.
Castors and wheels according to this product information, can be divided into the following categories of application:
- Domestic Use: e. g. seating, furniture
- General Services: e. g. shopping trolleys, office equipment
- Health Care Services e. g. hospital beds, patient trolleys
- Industrial Purposes: e. g. transport equipment with medium and heavy duty load bearing capacities.
The wheels will give a long and troublefree life if the following points are adhered to:
a) Correct and secure fitting at the designed position.
b) The fitting must have adequate strength and material for a secure fitting.
c) The function of the castor must not be changed nor affected by the fitting.
d) The swivel action axle must be vertical at all times.
e) Fixed castors must have their wheel axles in alignment.
f) If only swivel castors are used, they must be common to each other.
g) If fixed castors are used in conjunction with swivel castors then all castors must be compatible and recommended by the manfacturer.
If castors are used in areas such as:
outdoors, coastal areas, corrosive and/or aggressive areas, special products have to be specified.
For use in temperatures below 5 °C and above 30 °C the efficiency of the castor can be impaired, particularly the normal load capacity as published can be affected when used in temperatures below/above those stated herein. Special products can be specified. Component parts are assembled into a complete castor. The manufacturer is only liable for the original component parts making the complete castor.
When selecting a castor it is necessary to consider all aspects of the symbol chart as published.
The word ‘misuse‘ can be defined as:
2.2 Unsuitable flooring
2.3 Excessive temperatures
2.4 Failure to release brakes
2.5 Exposure to caustic substances
2.6 Excessive shock load
2.7 Ingression of foreign objects into the wheel tread
2.8 Excessive speed
2.9 Changes made to the component parts and assembled castors not previously agreed with the original manufacturer.
Should the user not find a product clearly described in the manufacturers catalog, leaflets, descriptive literature etc. then any new castor designed for the particular application has to be fully agreed with the manufacturer. Any new designs effected will be subject to the relevant DIN, ISO, EN- STANDARDS as well as the Quality Standard RAL-RG 607/10.
Regular maintenance of castors:
• Regreasing of axle and swivel bearings;
• retightening of axles and/or adjustable king pin, when fitted.
Should any cleaning agents be used, then these same agents should not contain corrosive, nor grinding elements.
It is necessary to ensure that the Product Information and User Guide is made available when required and that the reseller ensures that the customer is supplied with the necessary catalog: that the Original Equipment Manufacturer, on whose equipment the product is fitted, ensures the end user has the Product Information and User Guide.
To ensure proper function of the castors and wheels the reseller must consider the Product Information (1.0 to 5.0). This product information can be supplied for issue to the manfucturer of the equipment. The manufacturer of the equipment has to refer to the Product Information (1.0 to 5.0), copies of this Product Information can be ordered from the castor manufacturer for the distribution to the end user.