TB 43-0213
f. Grounding of the system during operation is
e. The material pump system should also include an
essential due to the potential for a buildup of static
in-line air filter to remove dirt and moisture from the
electricity. During operation, the pump, the spray gun,
compressed air going into the pump, as well as an air
and the object being rustproofed should each be well
line oiler which automatically lubricates the air motor
grounded to eliminate the fire/explosive hazard of static
during operation. These items are attached to the air
electricity in proximity to rustproofing material.
lines going into the purge valve and air regulator, which
are attached directly onto the pump. The compressed
air source is a minimum shop requirement (see
TA504757
Figure 3-5. Powerwash Spray Gun (Typical).
3-7
