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TM5-421 0-229-14&P
2-15. OPERATION OF RESCUE SAW (Continued)
(14) Keep the handles dry, clean, and free of
oil or fuel.
(15) Operate the machine only in well venti-
lated areas. Failure to use the power
cutter in a well ventilated area can lead
to serious injury or death.
(16) The cutter disc should be removed from
the cutting machine when it is trans-
ported or stored.
b.
Preparation for use.
(1)
Attachments. Never modify a cut-off
saw. Use only approved attachments.
(2)
Driveshafts and flanges.
(a)
Check that driveshaft threads are not dam-
aged.
(b)
Check that contact surfaces on cutter wheel
and flanges are flat, run true on the shaft and
are free of foreign material.
Do not use flanges that are different sizes, warped, nicked,
sprung or dirty.
(3)
Cutter wheel.
(a)
Check that wheel is approved for handheld
portable, high speed, cut-off saws. Do not ex-
ceed the maximum operating speed marked on
the wheel.
(b)
Inspect wheel for cracks or other damage.
(c)
Test abrasive wheels by striking lightly with a
piece of wood; if the wheel does not make a
full, ringing sound, it is damaged.
(d)
Do not use a wheel that has been dropped.
(e)
Do not use a diamond or carbide tipped blade
with a tip missing.
2-61
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