b) Pull the fuse holder (18) containing an operating fuse (19) and a spare fuse (19)
from the spring loaded holder in the appliance plug socket (20).
c) Remove defective operating fuse and place spare fuse in the fuse holder (18)
(according to the value on type plate). Buy a new spare fuse immediately.
d) Connect the mains cable (1) to the appliance plug (20) and to the mains supply.
e) Set the power switch (10) on, then the 0 is not visible .
4.3
Lamp socket replacement
If the lamp socket (15) shows signs of burning and wear between the lamp pin
contacts it must be replaced. We recommend a change after use of 5 lamps.
The lamp should be cooled down before it can be removed!
a) Set the power switch (10) off, then the 0 is visible and disconnect the mains
cable from the appliance plug socket (20) and from the mains.
b) Push the sliding lock (6) aback, open the top cover (7).
c) Remove the halogen lamp (14) according to 4.1.c)
d) Pull out the defective lamp socket (15) from the lamp socket connector (16) by
squeezeing the double sided plastic part and replace it with a new one of the
identical type and replace the halogen lamp (14) according to 4.1.d)
e) Close the top cover (7). Push the sliding lock (6) to the rear then forward
to lock the top cover (7).
f) Connect the mains cable (1) to the appliance plug (20) and to the mains supply.
g) Set the power switch (10) on, then the 0 is not visible .
4.4
Transport
In order for instruments to be transported under normal freight conditions without being
damaged, they should be transported and/or sent in their original packing. Jolts during
transport are to be avoided.
4.5
Cleaning
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