CHAPTER 5. DIRECT SUPPORT MAINTENANCE INSTRUCTIONS AND FUNCTIONING OF EQUIPMENT

TM 11-6625-2843-14

CHAPTER

DIRECT

SUPPORT

MAINTENANCE

INSTRUCTIONS

AND

FUNCTIONING

EQUIPMENT

S e c t i o n I. DIRECT SUPPORT MAINTENANCE INSTRUCTIONS

back shell can be unscrewed.

General

(2) Tag and unsolder wirea from all pins in shell of

Direct support maintenance is limited to the repair of

connector. Discard damaged connector.

the special purpose cables and power cords. Mainte-

(3) Insert and resolder all pins to proper pins of

nance beyond this level must be referred to depot for

r e p l a c e m e n t connector. Use insulation sleeving over

repairs.

connector pins.

Repair

Electrical

Cable

Assemblies

(4) Reinstall back shell of connector and reinstall

R e p a i r of electrical cables assemblies with defective

stress relief bar into place and tighten two screws.

connectors is accomplished as follows:

(5) Check for continuity between

connectors,

referring to cable wiring diagram.

(1) Loosen two screws on stress relief bar so that

Section Il. FUNCTIONING OF EQUIPMENT

and an indicator teat circuit for checking simplified

5-3. Principles of Operation

synchro transmitters and differentials. See figure 5-1

a The test set consists of two main test circuits, a

for a functional block diagram.

t r a n s m i t t e r test circuit for testing synchro indicators

Figure 5-1. Functional block diagram of Test Set, Synchro TTU-23/E.

5-1