Turbine replacement
New Turbine Kit Installation
MPORTANT
I
Before reassembly, note that an arrow is cast or engraved on each component. The arrow indicates the primary flow direction. When
reassembled, the arrowheads must point in the direction of the fluid flow. The arrows must also be oriented in the up position on
both rotor supports. The magnetic pickup side of the body signifies the up position. Performance of repair kit calibration is in the up
position. Reinstallation of the repair kit in the up position provides continuation of accurate measurements.
Figure 7
,
Figure 8
, and
Figure 9
show the proper alignment and orientation of the repair kits.
OTE:
N
Fractional size (3/8 in ., 1/2 in . and 3/4 in .) rotors do not contain a cast or engraved arrow . However, a colored cap
on the downstream side of the rotor shaft indicates flow direction . Remove this cap before assembly, noting flow
direction .
1 . Install one of the rotor supports into the body bore, noting the orientation of the arrow .
2 . Secure a retaining ring in the groove . Check for complete installation of retaining rings in each groove .
OTE:
N
4 in . and larger meters have a retaining ring at both ends of the rotor (see
Figure 9
) .
3 . Insert the rotor and second rotor support in the opposite side of the body, noting the orientation of the arrow .
4 . Secure the second retaining ring in the opposite groove, using the same procedure as in step 2 above .
EXCESS AIR PRESSURE MAY DAMAGE THE ROTOR AND BEARINGS BY OVER SPINNING.
ATTENTION
LA PRESSION ATMOSPHÉRIQUE EXCESSIVE PEUT ENDOMMAGER LE ROTOR ET LES ROULEMENTS PRÈS AU-DESSUS DE
LA ROTATION.
5 . Check the meter by lightly puffing air through the assembly . If the rotor does not turn freely, disassemble the meter and
remove anything that might obstruct movement of the rotor .
NOTE:
At this time, electronics require recalibration . Refer to the display's user manual . If there are any questions on
recalibration, contact
us
or the manufacturer of the associated electronics .
6 . Install the magnetic pickup .
Page 10
November 2022
TUR-UM-00014-EN-09
www.calcert.com
1.888.610.7664
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