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OBXC 05-2010
9
05-2010 Edition
Revision -
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
MODEL
RB
WEIR GATES
INSTALLATION:
STEM EXTENSION, STEM GUIDES AND FLOOR STAND
Once the weir gate has been installed, the stem extension, stem guide(s) and the floor stand shall be
installed (when applicable). The following procedure shall be followed:
1. Connect the stem extension (item 3) to the shaft (item 1) on top of the yoke (see Figure 7 and
Detail A).
2. Insert all stem guides from the top of the stem extension (when applicable). Align stem extension,
and especially make sure that it is aligned with the vertical axis of the opening (see Figure 7). The
maximum misalignment shall be 1/8” (3mm). For 2” Sqr. Nut operated gates, the stem guides
shall be inserted onto the stem extension from the bottom.
3. Next, install all stem guides (drill and tighten anchor bolts). Refer to General Arrangement Draw-
ing for dimensions.
4. Position the floor stand and the operator. Engage the shaft of the stem extension with the opera-
tor. Make sure that the stem extension is perfectly aligned and parallel to the wall surface, adjust-
ing the offset if necessary of the Stem-Guides‟ UHMWPE inserts (see Figure 8). Once, the stem
extension is perfectly aligned, install the floor stand (drill and tighten anchor bolts).
