Cable Assembly Repair.

TM 55-4920-325-14&P

4-15. Cable Assembly Repair.

e. Attach six capacitor assemblies C404 (10),

C405 (11), C412 (12), C411 (13), C409 (14) and

Because the cable assemblies are potted and

C408 (15) to lower simulator chassis (28) using 12

are of critical length, they are not repairable and

cross-recessed screws (7), 12 Iockwashers (9), 12

should be replaced. However, two toggle switches

hex nuts (8) and locking compound (item 3, table

which are part of the indicator adapter cable as-

1-4).

sembly (part number 2689) may be replaced as

follows:

f. Attach three capacitor assemblies C403

a. Remove four screws and detach switch

(4), C406 (5) and C410 (6) and six solder lugs (3)

box cover from switch box.

to lower simulator chassis (28) using six cross-re-

cessed screws (1), six hex nuts (2) and locking

b. Tag and unsolder wires connected to de-

compound (item 3, table 1-4).

fective toggle switch.

g. Check that wires are connected to proper

c. Remove hex nut and Iockwasher to detach

terminals and remove tags.

toggle switch from switch box.

d. Attach new toggle switch to switch box

using hex nut and Iockwasher.

4-18. Reassembly of Bracket Assembly.

e. Connect wires to toggle switch, using so-

To reassemble the bracket assembly, refer to

lder (item 4, table 1-4) in accordance with tags on

figure 4-13 and proceed as follows:

wires. Check that wires are on proper terminal

NOTE

and remove tags.

As reassembly proceeds, reconnect

f. Secure switch box cover to switch box us-

w i r i n g in accordance with tags on

ing four screws.

wires, using solder (item 4, table 1-4).

4-16. Lubrication.

a. Install four teflon terminals (22) on mount-

No lubrication of the test set is required at di-

ing bracket (19).

rect support and general support levels of main-

b. Install grommet (21) on mounting bracket

tenance.

(19).

4-17. Reassembly of Capacitance Simulator As-

c. Attach mounting bracket (20) to mounting

sembly.

bracket (19) using four cross-recessed screws

To reassemble the capacitance simulator as-

(17), four Iockwashers (18) and locking com-

sembly, refer to figure 4-14 and proceed as

pound (item 3, table 1-4).

follows:

d. Attach potentiometer R120 (16) to mount-

NOTE

ing bracket (19) using hex nut (14) and washer

(15).

As reassembly proceeds, reconnect

w i r i n g in accordance with tags on

Connect and solder capacitor C108 (13) to

wires, using solder (item 4, table 1-4).

potentiometer R120 (16) and teflon terminal (22)

using solder (item 4, table 1-4).

a. Install two bumpers (27, figure 4-14) on

f. Connect and solder resistor R116 (12) to

lower simulator chassis (28).

two teflon terminals (22).

b. Attach connector J404 (26) to lower sim-

g. Attach capacitor assembly C7 (11) and so-

ulator chassis (28) using hex nut (24) and washer

lder lug (10) to mounting bracket (19) using two

(25).

cross-recessed screws (7), two hex nuts (8), two

c. Attach connector J405 (23) to lower sim-

Iockwashers (9) and locking compound (item 3,

ulator chassis (28) using hex nut (20) and two in-

table 1-4).

sulating washers (21 and 22).

h. Attach transformer T101 (6) and solder lug

d. Attach capacitor assembly C407 (19) and

(5) using four hex nuts (3) and four Iockwashers

three solder lugs (18) to lower simulator chassis

(4).

(28) using two cross-recessed screws (16), two

i. Connect and solder resistor R119 (2)

hex nuts (17) and locking compound (item 3, ta-

across transformer T101 (6) and solder lug (5) us-

ble 1-4).

ing solder (item 4, table 1-4).

4-23