Figure 4-1. LD/R Assemblies Al and A2

TM 9-1260-477-34

Figure 4-1.

LD/R Assemblies Al and A2

Installation (Fiqure 4-1).

4-3.

CONTROL CARD A1A3 AND RESOLVER-TO-DIGITAL

CONVERTER A1A4 REPLACEMENT

(1) Lubricate exposed surface of gasket seal

Removal (Figure 4-2, Sheet 1).

in A1 assembly with lubricant (28, Table B-1).

Control Card A1A3 and Resolver-to-Digital

Converter A1A4 are electrostatic sensitive.

Insure screws are torqued evenly one turn

Protect these cards by wearing grounding

at a time to avoid damaging connector.

wristband when probing.

Handling and/or

installation of individual cards should be

(2) Connect A1A1W1P1 to A2A2W1J1 and tighten

performed at a static-free work station.

two jackscrews evenly one turn at a time.

Torque

These cards should be anti-static packaged

jackscrews 5 to 6 inch-pounds.

during handling and storage.

(3) If A2 is replaced, perform PFN VDC adjustment

(1) Separate Al and A2 per paragraph 4-2.

per paragraph 2-11.

(4) Secure Al to A2 using 12 screws, lock-washers,

(2) Remove ten screws (17) and washers (18).

and washers. Torque screws 6 to 7 inch-pounds.

(5)

Purge

per

paragraph

(3) Lift control card A1A3 (13).

4-2

Change 2