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IOM BiRotor Plus R19
9.5 - Measuring Unit Disassembly While Maintaining Clearance Settings
1. Place a folded rag between the timing gears to
prevent the rotors from turning during disas-
sembly.
2. Remove the pulse wheel by removing the screw
, washer, and retaining washer.
3. Remove the screw from the end plate at the
timing gear end of the measuring unit assem-
bly.
NOTE:
A fl at head screwdriver may be used in conjunc-
tion with the slots on the end plate to aid in its
removal. Excessive force is not required.
4. Use a plastic or rubber mallet and strike the ro-
tor shafts at the pulse wheel end of the hous-
ing to aid in the removal of the rotor assembly.
5. Once the rotor assembly has been removed
from the housing any blockage or foreign ma-
terial can be cleaned away.
At this stage the meter can be reassembled by
reversing the disassembly procedures without the
need to reset any clearances.
NOTE:
Any elastomers that have been removed should
be replaced with new parts during reassembly.
Figure 9-3 Measuring Unit Disassembly
9.6 - Complete Disassembly of the Measuring Unit
1. Place a folded rag between the timing gears to
prevent the rotors from turning during disas-
sembly.
2. Remove the pulse wheel by removing the
screw, washer, and retaining washer.
3. Remove the screws from the end plate at the
timing gear end of the measuring unit assem-
bly.
NOTE:
A fl at head screwdriver may be used in conjunc-
tion with the slots on the end plate to aid in its
removal. Excessive force is not required.
4. Use a plastic or rubber mallet and strike the ro-
tor shafts at the pulse wheel end of the hous-
ing to aid in the removal of the rotor assembly.
5. Fold down the lock washer tabs to enable the
nuts to be undone and remove them from the
rotor shafts. The timing gears can be released
from the shaft by striking them with a plastic
or rubber mallet.
6. Remove the rotors from the end plate by gen-
tly tapping the rotor shafts with a plastic or
rubber mallet.
7. Remove the O-rings from the rotor shafts.
Summary of Contents for BiRotor Plus B27X
Page 27: ...IOM BiRotor Plus R19 Page 27 37 12 1 BiRotor Plus Illustrated Parts List...
Page 31: ...IOM BiRotor Plus R19 Page 31 37 12 2 BiRotor Plus Illustrated Parts List B3XX...
Page 32: ...Page 32 37 IOM BiRotor Plus R19 12 3 BiRotor Plus Illustrated Parts List B3XX...
