Status Processor Chassis Replacement

TM 5-6350-262-14/5

NAVELEX 0967-LP-466-9052

TO 31S9-4-38-1 Chg 2

wiring board assemblies. Each printed wiring board assembly

connector edge also contains a notch located to correspond to

(5) Turn off 115-volt ac power source to the

an insert in the receptacle connector to prevent mislocating

control unit.

the printed wiring board assemblies. Assemblies Al through

(6) Disconnect the following external JSIIDS

A6 are identical.

They are completely interchangeable

power and interconnecting wiring from the power supply

between position Al through A6. Install printed wiring board

terminal boards:

assemblies Al through All with the ejector mechanism at the

WARNING

top. Make sure the board edge is inside the receptacle guide.

Push in firmly on each corner of the board simultaneously to

seat the assembly completely and evenly.

Insulate wire terminals removed from

terminals

TB1-1

and

-2

7-11. Status Processor Chassis Replacement

precautionary measure.

a. Removal.

Terminal

Function

TB1-i

115-volt ac input (high)

(1) Set POWER switch to OFF.

TBI-2

115-volt ac input (neutral)

(2) Loosen but do not remove the two captive

TB1-3

Ground

screws (21, fig. C-1) at each end of connector P1.

L1-1

115-volt ac output (high)

(3) Disconnect plug P1 from status processor

L1-2

115-volt ac output (neutral)

receptacle J12.

L1-3

Ground

(4) Remove four mounting screws (22) and four

L2-1

Alarm signal output

washers (23).

L2-2

Signal common

(5) Remove status processor assembly (24) from

L2-3

Tamper signal input

control unit.

L2-4

+5 volts dc output

b. Installation.

(7) Disconnect power supply interconnecting

wiring shown in figure 7-1. The power supply internal wiring,

(1) Install status processor assembly using four

also shown, should not be disconnected. Remove wire bundle

screws (22) fig. C-1) and four washers (23).

ties only as required to separate the power supply and

(2) Connect plug P1 to status processor

interconnecting wire bundles.

receptacle.

CAUTION

(3) Install and tighten connector retaining screws

(20).

The power supply weights approximately

9 pounds. Exercise care when removing

7-12. Power Supply Replacement

mounting screws to prevent dropping

a. Removal.

the power supply. Equipment damage or

(1) Set POWER, switch to OFF.

personal injury could result.

(2) Disconnect battery wires and remove battery

(8) Remove four mounting screws (5) fig. C-and

from control unit.

four lock washers (6).

(3) Perform the following steps to gain access to

(9) Remove power supply (7).

power supply access cover screws on power supplies serial

(10) Install power supply access cover.

numbered 0001 through 0059:

b. Installation.

(a) Loosen inboard terminal screw at TB24

(1) Remove four mounting screws (10), fig. C-1)

and remove two spade lugs.

and four lock washers (11) from power supply access cover.

(b) Loosen inboard terminal screw at L2-3

Remove cover (12).

and remove one spade lug.

WARNING

(4) Remove four mounting screws (10) fig. C1),

A 115-volt ac potential may cause death

four lock washers (11), and power supply access cover (12).

under certain conditions; therefore,

precautions should be taken at all times.

WARNING

If possible, turn off and tag 115-volt ac

power source to the control unit before

A 115-volt ac potential may cause death

attempting to install the power supply.

under certain conditions; therefore,

(2) Position power supply on mounting studs with

precautions should be taken at all times.

wire bundle located beneath power supply. Install four

If possible, turn off and tag the 115-volt

mounting screws (5) fig. C-1) and four lock washers (6).

ac power source to the control unit

(3) Connect power supply interconnecting wiring

before disconnecting power supply

as shown in figure 7-2.

wiring.

Change 2 7-7