Detection Systems DS7092 Especificações descarregar pdf (Página 130)

Figure 14.

(2)

(3)

(4)

Unsolder and remove the 26 leads

and one lead of capacitor C7901

from S7902; tag each lead as it is

removed (fig. 14).

Remove the screw, knob, nut, and

lockwasher from the front panel

front side of the switch (fig. 13).

Remove the S7902 from the rear

side of the front panel.

v. Replacement of Switch S7902.

(1) Insert the shaft of S7902 through

the rear of the front panel, with

contacts A and 20 uppermost; be

careful to seat the locating lug in

the hole provided in the front panel

(fig. 13).

(2)

(3)

(4)

Replace the lockwashe

r and

tighten-

the nut (u(3) above).

Install the knob and tighten the

Screw (u(3) above).

Remove the tags and solder the

lead to capacitor C7901 and solder

the 26 leads (u(2) above and fig. 14).

w. Removal of Resistors Mounted on

Switch S7902.

(1) Refer to figures 16 and 17 for the

physical location of the resistor.

(2) Unsolder and remove the resistor

leads from the solder lugs of switch

S7902. Be careful not to damage

or drop solder Into the contacts of

switch S7902.

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Detection Systems DS7092 Especificações Página 130