TM 10-3530-207-14
4-12.
MALFUNCTION INDEX - continued.
MALFUNCTION
PAGE
CLOTHING SEWING MACHINE - continued.
13.
Unusual noise in motor................................ ................................ ................................ ........... 4-35
14.
Motor does not pull load ................................ ................................ ................................ ........ 4-35
DARNING SEWING MACHINE
15.
Needle breaks ................................ ................................ ................................ ....................... 4-36
16.
Machine vibrates ................................ ................................ ................................ ................... 4-36
17.
Lamp does not light ................................ ................................ ................................ ............... 4-36
18.
Motor does not start ................................ ................................ ................................ ............... 4-36
19.
Unusual noise in motor................................ ................................ ................................ ........... 4-37
20.
Motor does not pull load ................................ ................................ ................................ ........ 4-37
BUTTON SEWING MACHINE
21.
Lamp does not light ................................ ................................ ................................ ............... 4-38
22.
Motor does not start ................................ ................................ ................................ ............... 4-38
23.
Unusual noise in motor................................ ................................ ................................ ........... 4-38
24.
Motor does not pull load ................................ ................................ ................................ ........ 4-38
4-13.
UNIT TROUBLESHOOTING TABLE.
Refer to Table 4-2, Unit Troubleshooting.
NOTE
Before you use the troubleshooting tables, be sure you have
performed all applicable operating checks and verified that a
malfunction exists. When a corrective action is performed, verify
that the action has corrected the malfunction. All malfunctions
deferred to the next higher level of maintenance must be reported
according to the instructions given in DA PAM 738-750.
4-31
