
Removal and Replacement
TDS 310, TDS 320 & TDS 350 Instruction Manual
813
1. Have handy a screwdriver with a size T 15 TorxR tip (Items 1 and 2).
2. Pull out on both of thehubs on thecabinet handleto unlock it for posi
tioning. Whileholding thehubs unlocked, rotatethehandletowards the
bottom of theoscilloscope.
3. Set theoscilloscopeso its faceis down with its front cover on thework
surface and its bottom facing you. Reference Figure 85 on page 814 as
you do thefollowing steps.
4. Removethefour T 15 TorxR screws securing the rear cover to the
oscilloscope. Lift off the rear cover. If no other parts are being serviced,
skip to the end (step 11) of this procedure.
5. RemovethesingleT 15 TorxR screw at theleft sideof theoscilloscope.
6. Lift thecabinet upwards to slideit off theoscilloscope.
7. If no other cabinet parts are being serviced, skip the rest of this proce
dure.
8. Working from theinsideof thecabinet, removetheT 20 TorxR screw
securing each handle hub to the cabinet.
9. Working from theoutsideof thecabinet, grasp thetwo handlehubs and
pull them outward from the cabinet until they are out of the cabinet.
10. Whileholding thehandlehubs pulled out, lift thehandleaway to remove.
11. Reinstallation:
a. Do, in reverse order, steps 9 and 8 to reinstall the handle assembly.
b. Do, in reverse order, steps 6 through 4 to reinstall the cabinet, while
observing the following precautions:
H Takecarenot to bind or snag thecabinet on internal cabling;
redress cables as necessary.
H When sliding thecabinet onto theoscilloscope, besurethat the
front and rear ridges of themain chassis slideinto thegrooves at
therear of thecabinet and on thefront trim.
H Install the four screws at the rear panel before installing the single
screw at theleft sideof thecabinet.
Rear Cover, Cabinet,
and Cabinet Handle