10
10.
Exchange the lamp (Fig.6)
A. Switch off the power supply and pull out the plug of electrical wire;
B. Use tool open the screw 4, take off the cover 5;
C. Put out the old lamp 2, and insert a new lamp 2; Clean the lamp
with alcohol;
D. Adjust the lamp according to the
“
OBSERVING OPERATION 9
”
.
11.
Exchange the fuse
（
Fig.7
）
Pull out power supply plug 2 from socket, take out socket of fuse 1.
Changing the fuse. Install socket of fuse and plug again.
The specification of fuse:
Ф
5, 0.5A
If stage dosen't balance, you can adjust the adjustment nut
of chassis
Ⅳ、
MAINTENANCE
1. Sweep the lens
Sweep the lens by lens tissue or soft fabric immersed with mixed
liquid of alcohol/ether or diethyl benzene. Cleaning the oil on the 100X
objective whenever finish operating.
2
．
Clean the painted parts
The dust on the painted parts can be removed by gauze, for the
grease spots, the gauze immersed slightly with aviation gasoline is
Fig.7
1
2
