WILLETT 430 - EHT Block; Removal

Disassembly and Assembly: EHT Block
Issue 2
135
Part No. 306-0430-102
EHT Block
1
3
2
9
11 10
8
7
6
4
5
(
1
) Printhead front cover (
7
) Charge electrode clamping screw
(
2
) 0 V deflector plate fixing screw (
8
) Phase detector clamping screw
(
3
) Knurled screw (
9
) EHT block
(
4
) Rear cover securing screw (
10
) Rear cable clamp
(
5
) Printhead rear cover (
11
) Front cable clamp
(
6
) Charge electrode cable
Figure 67 EHT Block Removal and Installation
Removal
1
Slacken the knurled screw Figure 67 (
3
) and slide the front cover (
1
) from the printhead.
2
Remove and retain the two rear cover securing screws (
4
).
3
Slide the rear cover back until it is clear of the printhead.
4
Cut the wires to the EHT housing.