Technical Information DFS 700 / 04.2009 9-1
9 Service and Maintenance
9.1 Cleaning
(1) Clean the speed display and the reflective front of the frame with a clean, dry cloth
The use of aggressive detergents and abrasives can damage the reflective coating and
should therefore be avoided!
(2) Clean all air vents on the DFS 700 outside and inside with a cloth or a broom. The air
supply vents must always be kept uncovered.
(3) Clean rough dirt from the DFS 700 with a broom.
9.2 Maintenance
The DFS 700 is maintenance-free as a basic principle.
Before setting it up, subject the equipment to a visual inspection and, while doing so, pay
particular attention to the condition of the mains cables. These must not be damaged but, if
they are, have the cable replaced by a qualified electrician.
If Batteries are used, check that their external condition is perfect in advance. In case of
damage, replace the Battery.
When handling bateries pay particular attention to further safety advices as specified in
Section 2. Risk of injury as a result of leaking liquid exists!
When replacing components only original 3M parts should be used. The manufacturer’s
warranty expires if components from other manufaturers are used.
The electrical connection components such as plugs, sockets, cables, etc., are standard
commercial electrical goods which can be replaced by a qualified electrician.
NOTE
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