TM 5-3610-253-14
Table 3-6. ORGANIZATIONAL TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
STITCHER DOES NOT OPERATE . MOTOR DOES NOT TURN.
1.
Step 1.
Check power switch for continuity.
(a) If continuity exists, proceed to step 2.
(b) If no continuity exists, replace power switch (paragraph
Check for power at motor.
Step 2.
(a) If no power at motor, replace wiring from switch to motor.
(b) If power exists at motor, replace motor (paragraph 3-16.5).
2.
MOTOR TURNS.
STITCHER DOES NOT OPERATE.
Check for broken V-belt.
Step 1.
(a) If belt is good, proceed to step 2.
(b) If belt is broken, replace V-belt (paragraph 3-16.1)
Step 2.
Check linkage for missing screws or bolts.
(a) If all hardware is intact, proceed to Step 3.
(b) Replace hardware as required.
Step 3.
Check operation of footswitch.
(a) If setscrew in treadle is properly adjusted, proceed to
(b) If setscrew in treadle does not activate switch, adjust
setscrew.
Check microswitch for continuity.
Step 4.
(a) If continuity exists, proceed to Step 5.
(b) If no continuity; replace microswitch (paragraph 3-16.10).
3-43
