TM 10-3530-207-14
Table 4-1. Unit Preventive Maintenance Checks and Services for Clothing Repair Shop.
ITEM
INTERVAL
LOCATION
PROCEDURE
NOT FULLY MISSION
NO.
ITEM TO CHECK/
CAPABLE IF:
SERVICE
BUTTON
SEWING
MACHINE -
continued
31
Weekly
Receptacle
Inspect for broken receptacle
Loose or broken
switch
switch. Inspect it for loose
mounting in the switchbox and
make certain it turns the motor on
and off. Check for loose electrical
connections or broken wiring at
switchbox.
32
Weekly
Starting
Inspect starting chain for bent or
Disconnected
chain
broken links and loose mounting to
the pulley shifter or the starting
treadle Press pedal and make
certain pulley shifter engages with
the machine drive pulley. Adjust
chain or replace it if any of the
above conditions exist.
33
Weekly
Electric motor
Inspect motor for dirty surfaces and
Cracked, bent or
grease deposits, for bent, cracked, or
loose electrical
broken housing; for loose or missing
connections
bolts and nuts, for loose electrical
connections, for frayed insulation
and broken wiring, and for
improper and loose mounting.
Clean a dirty motor by wiping with
a dry wiping rag (Appendix F, Item
2). Tighten loose mounting
hardware.
4-21