Table 2-1. TroubleshootingContinued

TM 5-6675-250-34

Table 2-1. TroubleshootingContinued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

k. Connect a TS-352/4 multimeter or equivalent in the 2-5 amp range, acress jacks N of

breakout box and open switch N.

l. Energize the system in the BIAS mode and observe the multimeter. If the solenoid switch is

adjusted properly, the current should be 0.05 amp. If the solenoid draws 1.5 amps, the switch

must be moved closer to the solenoid. Should be solenoid chatter and draw high current, then

the switch must be moved away from the solenoid.

m. Switch from BIAS to SELF-TEST several times to insure proper operation.

n. Install the outer shield to the upper housing and secure with eight screws.

o. I nstall cage- uncage knob and secure by tightening setscrews.

Step 6. Check for a defective TILT SWITCH (1A1S3) assembly.

a. Remove eight screws and upper housing cover.

b. Use a ohmmeter and check for continuity between the tilt switch terminals.

If continuity is not present, replace a bad switch.

(1). Remove the main connector housing cover by removing ten screws.

(2). Remove the gearbox assembly access cover by removing ten screws (fig. 2-86).

Change 1,

2-77