TM11-6125-256-34
LEGEND FOR FIGURE 4-10
(78), dc end bell and liner (21, 22, and 23, fig. 4-8), ac end
WARNING'
bell and liner (14, 15, and 16, fig. 4-9), and housing
Adequate ventilation should be pro-
support and liner (20 and 23, fig. 4-10) Remove all
vided while using TRICHLOROTRIFLUORO-
carbon and copper particles between the commutator
ETHANE. Prolonged breathing of vapor
bars and the slip rings.
should be avoided. The solvent should
not be used near heat or open flame,
the products of decomposition are
toxic and irritating. Since TRICHLORO-
(2) After cleaning, bake metal parts in an oven for 2
TRIFLUOROETHANE dissolves natural oils,
hours at 121C (250F) or 3 hours at 93C (200F) After
prolonged contact with the skin should
baking, apply a light film of oil, Military Specification
be avoided. When necessary, use gloves
MIL-L-7870, or an approved anticorrosion preparation
which the solvent cannot penetrate. If
to all ferrous-metal surfaces to prevent rusting.
the solvent is taken internally, con-
WARNING'
sult a physician immediately.
To be usable for cleaning, the compressed
4-20. Cleaning
air source must limit the nozzle pressure
a. General. After disassembly, clean all mechanical
to no more than 29 pounds per square inch
(PSIG). Goggles must be worn at all times
parts using only Trichlorotrifluoroethane
(NSN 6850-00-105-3084) naphtha, an aliphatic
while cleaning with compressed air.
hydrocarbon, or a solvent conforming to Federal
CAUTION!
Specification P-D-680. Use a stiff, non-wire brush to
Do not apply oil to the commutator or
scrub parts thoroughly Do not allow parts to soak or
slip rings.
remain in the solvent. Dry parts with a clean, lint-free
c Electrical Parts To clean electrical parts and
cloth.
