TM 9-4940-342-14&P
elements to assure they are tight in solder pots. If
ratchet wheels rotate in solder pots, replace thermal
elements.
d. Check all screws in magnetic starter for
tightness and tighten as necessary.
e. Check disconnect switch contact blocks and
switch blades for cleanliness. If contact blocks or
blades have carbon deposits, clean with burnishing
tool or fine crocus cloth.
f. Check all screws in disconnect switch for
tightness and tighten as necessary.
g. Check alignment of switch blades to contact
blocks. If misaligned, adjust and align as necessary.
6-13. Electrical Circuitry
For maintenance of electrical control circuits, refer to
electrical control drawing.
6-14. Fuel Filter Assembly (Refer to Fig C-29)
The fuel filter assembly should be inspected for
damage on ON-OFF valve, inlet, outlet pipe threads
and replaced if found defective.
6-15. Oil Tank Drain Assembly (Refer to Fig C-
30)
The drain assembly shall be inspected and defective
components replaced.
6-16. Soap Tank Overflow Assembly (Refer to
Fig C-31)
All fittings and components shall be inspected and
replaced as required. Valve stem packing may be
tightened, all other failures cause for rejection.
6-17. Hardware
Common hardware items should be replaced with
like materials of equal strength compatible with
installation requirements.
6-18. Tubing Assemblies (Refer to Fig 6-1)
Copper tube lines should be replaced when
inspection reveals cracks, leaks or flaking of internal
surface. Tubing should be fabricated to equal
configuration as that removed from unit.
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