TM 11-6130-266-15
Sequence No.
Item to be inspected
Procedure
Reference
each switch is smooth and free of external or in-
ternal binding and that there is no excessive loose-
ness. Also, check the meter for sticking or bent
pointer.
5
Operation.............................During operation, be alert for any abnormal indica-
tions.
through 2-8.
3-5. Operator's Weekly Preventive Maintenance Checks and Services Chart
Sequence No.
Item to be inspected
Procedure
Reference
1
Cables .................................Inspect cables for chaffed, cracked, or frayed insulation.
2
Metal surfaces ......................Inspect exposed metal surfaces for rust and corrosion.
3-6. Organizational Monthly Preventive Maintenance Checks and Services Chart
Sequence No.
Item to be inspected
Procedure
Reference
1
Transformer terminals...........Inspect the terminals on the power transformer(s). All
nuts must be tight. There should be no evidence of
dirt or corrosion.
2
Resistors .............................Inspect resistors for cracks, blistering, or other de-
fects.
3
Gaskets and insulators ........Inspect gaskets, insulators, bushings, and sleeves for
cracks, chipping, and excessive wear.
4
Terminal block......................Inspect the terminal block for loose terminals, cracks,
and other defects.
5
Interior.................................Clean the interior of the chassis and cabinet ...................Para 3-8.
6
Metal surfaces ......................Inspect the equipment to determine that it is free of
bare spots, rust, and corrosion.
3-7. Organizational Quarterly Preventive Maintenance Checks and Services Chart
Sequence No.
Item to be inspected
Procedure
Reference
1
Publications .........................Check to see that all publications are complete, service- DA Pam 310-4.
able, and current.
2
Modifications ........................Check DA Pam 310-4 to determine whether new ap-
TM 38-750 and
plicable MWO's have been published. ALL URGENT
DA Pam 310-4.
MWO's must be applied immediately. All NORMAL
MWO's must be scheduled.
3-8. Cleaning
Inspect the exterior of the equipment. The exterior
surfaces should be free of dirt, grease, and fungus.
WARNING
a. Remove dust and other loose dirt with a clean
The fumes of TRICHLOROETHANE
soft cloth.
are
toxic.
Provide
thorough
ventilation whenever it is used; avoid
b. Remove grease, fungus, and ground-in dirt from
prolonged or repeated breathing of
the case; use a cloth dampened (not wet) with
vapor. Do not use near an open
trichloroethane O-T-620, Type I.
flame or hot surface; trichloroethane
is nonflammable but heat converts
c. Remove dirt from plugs and jacks with a brush.
the fumes to a highly toxic phosgene
gas the inhalation of which could
CAUTION
result in serious injury or death.
Prolonged or repeated skin contact
Do not press on the meter face
with trichloroethane can cause skin
(glass) when cleaning; the meter may
inflammation. When necessary, use
become damaged.
gloves, sleeves and aprons which the
solvent cannot penetrate.
3-2 Change 3
