HP 9020 Service Manual page 190

4-90 Assembly Access
CAUTION
WHEN PERFORMING THE NEXT STEP, ENSURE THAT THE FLAT
WASHER IS BETWEEN THE SCREW HEAD AND THE LOCK
WASHER.
4. Tighten the four #2 Pozidriv screws that attach the CRT/yoke assembly to the chassis (Figure
4-91).
5. Tighten the four #2 Pozidriv screws that attach the yoke support plate to the chassis (Figure
4-94).
6. Tighten degaussing cable by tying cable together across top of CRT/yoke assembly with
cable tie wrap.
7. Replace front bezel. Push CRT bezel gasket down by inserting a bent coat hanger or long
flat-blade screwdriver between bezel and CRT and tamping down (Figure 4-95).
8. Replace video board.
9. Replace sweep board. Ensure anode connector is oriented as shown in Figure 4-84.
10. Replace display power supply board.
COAT
HANGER
GASKET
Figure 4-95. Replacing Front Bezel
CRT
BEZEL