b. Model 2100H2007.
Install the gas and water solenoid
(f)
valves ( para 327 ).
(1) Removal.
(g) Install the range selector switch and
polarity selector switch ( para 63 ).
(b) Remove the output control rheostat
(h) Install the phase shift and intensity
rheostats ( paras 6-5 and 6-6).
(c) Remove the post-purge and pre-purge
timers, and the timed weld kit (para 3-16).
3-18).
(e) Remove the pushbutton switch (para
319).
(l) Install the post-purge and pre-purge
3-15).
timers, and the timed weld kit (para 3-16).
(g) Remove the phase shift and intensity
(m) Install the output control rheostat
rheostats (paras 65 and 66).
(h) Remove the range selector switch and
polarity selector switch (para 6-3).
valves ( para 327 ).
(j) Remove the terminal board door by
a. Removal.
s t r a i g h t e n i n g hinge tabs and removing from
(1) Remove the side shrouds (para 3-13).
panel.
(2) Refer to figures 6-3 and 6-4 and remove
(k) Remove the ground and electrode ter-
the range and polarity selector switches.
minal board ( para 325 ).
b. Cleaning and Inspection.
3-18).
(1) Clean all parts with an approved cleaning
solvent and dry thoroughly.
(2) Inspect all parts for corrosion, wear,
cracks, and other damage.
trol panel.
(3) Replace a defective switch as neces-
(2) Cleaning and Inspection.
sary.
(a) Clean the control panel with an ap-
proved cleaning solvent and dry thoroughly.
c. Installation.
(b) Inspect the control panel for dents,
(1) Refer to figures 6-3 and 6-4 and install
breaks, cracks, scratches, or other damage. In-
the range and polarity selector switches.
spect identification and instruction plates for ob-
(2) Install the side shrouds (para 3-13).
literation of data.
(c) Replace a defective identification or in-
6-4. Output Control Rheostat
struction plate or the control panel as necessary.
(3) Installation.
a. Removal.
(1) Remove the left side shroud (para 3-13).
trol panel,
(2) Refer to figures 6-3 and 6-4 and remove
the output control rheostat.
b. Cleaning and Inspection.
3-18).
(1) Clean the rheostat with a clean, dry cloth.
(d) Install the ground and electrode termi-
( 2 ) Inspect for wear, corrosion, breaks,
nal board (para 3-25).
cracks, or other damage.
(e) Install the terminal board door by in-
(3) Replace a defective output control rheo-
serting it in the control panel and bending the
stat as necessary.
hinge tabs outward 30 degrees.
