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
DARNING
SEWING
MACHINE -
continued
20
Weekly
Base
Inspect base for cracked or rough
Cracked or burred
surface.
surface
21
Weekly
Thread
Inspect thread control spring for
Broken or bent
tension stud,
broken, bent, or corroded coils and
thumb nut, and
for incorrect tension. Inspect thread
thread control
tension stud and thumb nut for
spring
stripped threads and make certain
the thumb nut turns on the stud.
22
Weekly
Motor clutch,
Inspect motor clutch, rod, and
Bent, broken, or
rod, and
treadle for bent, broken, or loose
loose components
treadle
components. Operate treadle fully
and see that the clutch fully
engages the motor drive pulley with
the drive motor. Make certain the
pulley brake lever disengages and
stops the drive pulley when the
treadle is released. Adjust clutch
and motor assembly per paragraph
4-41.
4-17
