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8-55.
To remove the front panel and side covers from the laser head, perform the following procedure:
a.
Remove ±15 Volt power from HP5501B Laser Head.
b.
Rotate the front-panel turret so that the large opening is at the bottom and the slotted,
1/4-turn fastener is visible through the opening.
c.
Using a suitable screwdriver, rotate the fastener 1/4-turn in the counterclockwise
direction (see Figure 8-10).
d.
Remove the front panel by gently pulling the panel straight away from the laser head.
e.
Remove the two half-covers by gently pulling each cover outward and forward. This
releases the edges of the covers from the retaining grooves along the edges of the rear
panel.
f.
To install the front panel and side covers, perform the reverse of the removal procedure.
HP5501B
Service
8-15
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Table of Contents
Troubleshooting
