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IOM BiRotor 3” to 6” R03
NOTE:
Tab on washer (item 31) must seat into slot
on timing gears. (Figure 11-9/4-12).
9. Rotate body (Item 2) and install the ball bearings
(Item 12) into bearing bore in the end plate.
NOTE:
Slot on outer race of ball bearing must engage
with roll pin (Item 14) in the end plate.
10. Replace bearing retainer (Item 18). Measuring unit
113505-030 will use one bearing retainer and one
drive adaptor (Item 11) on the three tooth rotor.
The rest require two bearing retainers each.
NOTE:
The dowel on the bearing retainer or the
drive adaptor will fi t on the inner race of the ball
bearing.
11. Measuring unit 103505-030 will require two
screws (Item 17) and two washers (Item 16) to hold
bearing retainer in place.
NOTE:
Measuring unit 113505-030 will require
replacing one screw (Item 10) on the 3T Rotor
and one screw (Item 17) and washer (Item 16)
on the four tooth rotor.
Measuring unit 123505-030 has two nuts
(Item 42).
Measuring unit 133505-030 has two different
size screws. The four tooth rotor has four
screws (Item 17) and washers (Item 16).
Place two of (Items 17 & 16) opposite each
other on the three tooth rotor. Now replace the
two long screws (Item 47), drive keys (Item
46) and washers (Item 16).
Models B201-B235 (Refer to Figures 6-3, 6-4,
6-5 and 6-6)
1. Lubricate all bearings and 0-rings with a light-
weight oil.
2. Replace front end plate (Item 3) on opposite end
from timing gears. Align the port openings of the
front end plate (Item 3) with those of the meter
body (Item 2) using care to align the two locating
dowel screws (Item 4) with their corresponding
holes (Figure 11-7/4-11).
3. Secure the front end plate (Item 3) to the body by
the two dowel screws and install the socket head
screws (Item 22), alternating from one side to
another when tightening.
4. Replace crane seal (Item 44) with rubber face
downward (Figure 11-10/4-4).
NOTE:
The polished steel ring (Figure 11-5/4-7)
portion of the crane seal can be installed more
conveniently in a later operation.
5. Position bearing thrust washer (Item 13) over the
crane seal (Figure 11-3/4-5).
NOTE:
The inside holes of the thrust washer (Item
13) fi t onto the dowels of the crane seal and the
outside hole fi ts over the roll pin (Item 14 and/or
9) as shown in Figure 11-11/4-16.
6. Install ball bearing (Item 12) within bearing bore
of the end plate (Figure 11-4/4-6). Press into place
using a sleeve or deep socket until ball bearings
(Item 12) are bottomed.
