47
W3T331759 / WT.050.585.003.UE.IM.1014
MICRO/2000® AND DEOX/2000® MODULE
When the rotor body is removed, check the rollers, roller shafts, thrust washer,
the shaft bearing, and shaft bore in the rotor body for signs of excessive
wear, damage, or corrosion. Some residue on the roller shafts and inside
the rollers is normal. The rotors should function properly for at least one
to two years. Do not lubricate the rollers, as some greases may attack the
nylon roller material. Lubrication of the rollers is not necessary. If any of
the roller shafts show significant wear marks and the corresponding roller
is loose, the rollers and rotor body unit must be replaced.
5.2.3.1 Removal
1. Remove the wetside panel from the enclosure, see section 5.2.1.
2. Remove the occlusion ring from the panel unit.
3. Remove the sample and reagent tube units from the metering pump.
4. Locate the set screw in the hub of the rotor body (just behind the
back face of the body) and loosen the set screw one or two turns.
NOTE:
Hold the panel upright while removing the rotor body to avoid
dropping and losing the rollers. To use as a guide for reinstallation, take
note of the orientation of the rollers (small groove toward the front of
the panel) before removing the rotor.
5.
Slide the rotor body off the motor shaft.
6.
The thrust washer (located against the panel assembly) should be removed
and set aside so that it does not drop off the panel and become lost.
5.2.3.2 Reinstallation
1. If the thrust washer was removed, reinstall it over the pump hub,
against the panel.
2. Install the rollers on their shafts in the position noted during the
removal of the rotor (small groove toward front).
3. Look into the shaft bore in the rotor body and adjust the set screw
until it just protrudes into the bore (approximately a half turn). The
set screw protruding into the bore helps to locate it on the flat of
the shaft as the rotor assembly is installed.
4. Note the position of the flat on the pump shaft and slide the rotor
assembly onto the shaft with the set screw over the flat.
Содержание WALLACE & TIERNAN DEOX/2000
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