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Repair
Drain Coolant
To avoid burns, do not perform maintenance on
the coolant system until the coolant system has
reached ambient temperature.
Drain coolant from the engine and proportioner
coolant loops once a year or if the coolant lines need
to be disconnected, in order to install a wall between
the generator and proportioner.
1. Perform
Shutdown, page 49
.
2. Remove the cabinet door from the front of the
proportioner.
3. Turn on manual valve switch (MV), located on
the load center (LC), to manuallyopen the A
and B heat exchanger control valves and bypass
control valve.
Note
The 12V batterymust be connected to
operate valves. The load center (LC)
LEDs will stayon when the manual valve
switch (MV) is in the on position.
Figure 4
LED Component
LED Color
Manual valve switch (MV) Red
A Side Control Valve
Red
B Side Control Valve
Blue
Bypass Valve
Green
4. To drain proportioner coolant loop:
a. Remove the proportioner coolant loop fill
bottle (HF) cap. See
Fig. 8
.
b. Place the other end of the drain tube in a
waste container. Open the drain valve. Drain
coolant until coolant is no longer visible in
the sight glass.
Proportioner Coolant Loop Drain Valve
Figure 5
c. To refill coolant loop, see
Refill Proportioner Coolant Loop, page 51
.
5. To drain proportioner coolant loop from filter
housing. Onlyavailable on Series B systems.
a. Remove the proportioner coolant loop fill
bottle cap (HF).
Filter Housing Drain Valve (D)
Figure 6
b. Place the other end of the filter housing drain
tube (T) in a waste container. Open the drain
valve (D).
c. To refill coolant loop, see
Refill Proportioner Coolant Loop, page 51
.
50
3A1706K
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Summary of Contents for Reactor E-30i
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