14
Maintenance
Replacing the Lamp
Before attempting to replace or remove the lamp,
unplug the microscope from any
power source and allow the bulb to cool completely
.
Fully raise the stage and substage assemblies. Be careful not to crash the objective into
the stage or condenser lens.
Grasp the collector assembly by the lower beige section (figure 22a) while pulling upwards
and out at the same time. The collector assembly is held in place by magnets and will
come loose with a minimal amount of force.
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7
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F o r i n f o r m a t i o n a b o u t p a r t s , a c c e s s o r i e s , o r s e r v i c e - -
c o n t a c t y o u r d e a l e r d i r e c t l y o r c o n t a c t Va n G u a r d M i c r o -
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Figure 22
All Models
Replacement Lamp
—20W, 6V Halogen (Cat. No. 1400-2
0WHL)
Figure 23
[a]
[b]
[a]
[c]
Figure 24
Figure 25
When replacing, first insert the new lamp into the included lamp replacement tool (figure
24). Then use the lamp replacement tool to insert the lamp into the lamp socket (figure
25). The lamp should be properly centered within the lamp socket for optimal illumination.
Remove the lamp replacement tool after insertion.
Reinstall the collector assembly making sure that the rear of the collector is fitted
underneath the retaining plate (figure 23c).
Return the microscope to normal operating position.
Note: Be careful not to touch the glass bulb when replacing—use a tissue or
other medium to grasp the bulb. This will prevent the oils from your hand from
reducing lamp life. If contact is made with the bulb, clean with rubbing alcohol
and allow a brief drying period.
Once the collector assembly is detached, remove the lamp (figure 23a) by grasping it
and pulling it out from the socket (figure 23b).
