Fisher-Rosemount 180-1300-01, Instruction Manual

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35
12.2 PUMP AND REACTION VESSEL
ASSEMBLY
12.2.1 PUMP TUBING HARNESS REPLACEMENT
Remove pump tubing harness as follows:
1. While system is still running, disconnect sample
tubing from left side of solenoid valve #1, at the nip-
ple connection.
2. Lift reagent straws out of reagents.
3. Switch pump speed to HI for 3 minutes to pump air
through the system, then return speed to NORM.
4. Switch pump power OFF.
5. Tilt pump forward and lift platen off pump (see
Figure 12-3 ).
6. Open quick disconnect fitting by pushing lock
down and pulling two halves apart.
7. Lift pump tubing harness off pump and discard.
Install new pump tubing harness as follows:
1. Hold quick disconnect end of tubing harness in left
hand and free end of tubing in right hand (white tab
on collars should be on top).
2. Place left hand set of tubing shoulders into left
pump end blocks, placing first tube into lowest slot.
3. Stretching with right hand, place right hand set of
tubing shoulders into right end blocks. Make sure
that individual tubes remain parallel.
4. Connect the pump tubing harness to the chemistry
module tubing by pressing together the two halves
of the quick disconnect connector (they will only fit
one way). Lock quick disconnect by pushing lock
switch up.
5. Place quick-disconnect connector into holding
clamp on front of the pump housing.
6. Replace platen on pump.
7. Carefully pivot pump to upright position.
8. Perform auto calibration. See Section 6 CALIBRA-
TION .
CHEMPURE MANUAL SECTION 12
REPAIR AND SERVICE
FIGURE 12-2
INTERFERENCE FILTER AND SAMPLE FLOW CELL REPLACEMENT