Figure 3-5. Powerwash Spray Gun (Typical).

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