Hematek
®
3000 System – Instruction Manual – Version 1.3 54
Each pump assembly consists of a pump motor and four rollers that are
attached to the underside of a pump cap. A pump arm that presses the
stain, buffer, or rinse tube against the pump is situated next to each pump
assembly.
The volume of fluid delivered by each pump can be adjusted by turning the
respective adjustment knob clockwise to increase the volume or counter-
clockwise to decrease the volume. Each adjustment knob features a
centering catch which provides a central reference point.
The stain-to-buffer ratio is adjustable to provide ratios of 1:2 to 1:3. This
feature allows the user flexibility in obtaining the desired stain results. A
small change in the stain-to-buffer ratio can result in either lighter or darker
staining.
Volume increments are marked on each adjustment knob, see Table 4-1.
Priming button The priming button is located on the left side of the system, see Figure 4-6.
Adjustment knob Value of volume increment
Stain 0.01 mL
Buffer 0.01mL
Rinse 0.05mL
Table 4-1 Volume increments on adjustment knobs
1 Lock position of the pump tubing release knob
2 Pump tubing release knob
3 Unlock position of the pump tubing release knob
4 Priming button
Figure 4-6 Priming button and pump tubing release knob
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