Pocket Amptrol.

TM 55-1915-200-10

2-5.29.1.

Marine Range #325-1M and #325-4M.

c. Place current control switch (9) in the "at R3R"

(FIGURE 2-180)

or "Remote" mode.

a. Set circuit breakers 1 and 2 (FIGURE 2-101,

NOTE

Sheet 13 of 21) on power distribution panel 7A to ON.

The "at R3R" is for control at the

2-5.29.1.1. Initial Preheat.

electrodes (connected to the unit by

a. Set top and bottom oven switches (6) to LOW.

wires) or control of the "Remote"

mode (used for the pocket amptrol

b. Set thermostat (4, 5) to 350 degrees.

"wireless" welder).

NOTE

d. Adjust current control knob (1) to desired

Allow range oven to heat (8 to 12

setting.

hours)

until

all

vapor

and

condensation is gone.

e. Adjust arc force control (3) setting from one to

ten.

c. Apply salad oil to each top plate.

NOTE

d. Turn each plate switch or thermostat (4, 5) to

The mid-range of five to six is

LOW. Allow plate to heat for 3 hours.

sufficient for most work.

2-5.29.1.2. Operation.

2-5.28.1. Pocket Amptrol.

a. Turn on four heat switches (4) for round speed

a. Switch control current switch (9) to remote

units.

position. This places control at the remote pocket

b. Turn ON four grill plate unit controls (5).

amptrol.

c. Turn ON top/bottom heat switches (6) and

b. Switch current dial selector (2) to B setting.

adjust automatic temperature control to desired setting.

c. Switch power (6) to ON.

See Table 2-3 for settings.

d. Insert one end of the probe ino the electrode

d. Turn top/bottom heat switches (6) to OFF.

holder and hold the other end at the work for

e. Turn automatic temperature control (7) to OFF.

approximately 5 seconds.

f. Turn four grill plate unit controls (5) to OFF.

e. To change current, change the probe dial setting

g. Set circuit breaker 1 and 2 (1 and 2, FIGURE 2-

and repeat the 5 second procedure of placing the probe

101) on power distribution panel 7A to OFF.

between electrode and work.

2-5.29. Commissary Equipment.

2-498