Remove the panel assembly knobs (fig. 4-1) by loosen-
Remove the tubes from the servoamplifier after remov-
ing the tube covers. Refer to tube location diagram (fig.
ing the setscrews that secure the knobs to the shafts
and pulling up on the knob.
Figure 4-2. Servoamplifier, tube location diagram.
can cause skin inflammation. When neces-
Inspect the exterior of the equipment. The exterior sur-
sary, use gloves, sleeves and aprons which the
faces should be free of dust, dirt, grease, and fungus.
solvent cannot penetrate.
Remove dust and loose dirt with a clean, soft cloth.
a. Remove grease, fungus, and ground-in dirt from
the equipment using a cloth dampened (not wet) with
T h e fumes of TRICHLOROETHANE are tox-
ic. Provide thorough ventilation whenever it is
used, avoid prolonged or repeated breathing
Do not press on the meter face (glass) when
of vapor. Do not use near an open flame or hot
cleaning; the meter may be damaged.
surface; trichloroethane is nonflammable but
b. Clean the front panel, meters, control knobs, and
heat converts the fumes to a highly toxic
switches; use a clean soft cloth. If necessary, dampen
phosgene gas the inhalation of which could
the cloth with water; mild soap may be used for more
result in serious injury or death. Prolonged or
repeated skin contact with trichloroethane