Weir 413 - Page 14

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64.5 (b)
64.5 (c)
(b) Capacitors inside the apparatus (especially C2 and C8 on the 423 or C2 and C13
on the 423D) may remain charged to a voltage >42V (IEC extra-low voltage for safety)
after removal of the mainspower. These should be discharged before commencing repair
work,
(c) Use only the correctly rated fuses as specified in the parts list for replacement.
On no account use mended fuses or short circuited fuse holders.
9. If the apparatus is defective or if it has been subjected to abnormal mechanical
stresses, it is likely that the safety protection may be impaired, in which case, the
unit should be withdrawn from use and returned to the factory for recheck and repair.
This is particularly important if there are external signs of mechanical damage.