Pressure Relief Procedure
310665E 15
Pump to Fluid Manifold
1. Close shutoff valves G
A
and G
B
.
2. Place waste container under sampling valves H
A
and H
B
.
3. Turn function knob to pressure relief/park .
4. Press . Indicator A comes on, and Pump A pres-
surizes.
TI4957b
H
B
G
B
H
A
G
A
5. Open sampling valve A slowly to bleed off pressure.
Indicator A will stay on for 5 sec after Pump A
reaches Park position, then go off.
6. Indicator B comes on and Pump B pressurizes.
7. Open sampling valve B slowly to bleed off pressure.
Indicator B will stay on for 5 sec after Pump B
reaches Park position, then go off.
If both pumps are not parked after 1 min, Alarm
26 will sound.
8. Close sampling valves A and B before restarting
system.
Pump air supply pressure must be sufficient to
cause pumps to stroke to bottom-most position
when function knob to is set to pressure relief/par
.
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