Class1 Valve - 119138 - Manual (Page 21)

21 Class 1 Valve Manual
p/n: 119138
Slow Close Installation – (Upper Piece & Inner
Installing Slow Close Assembly onto Valve & Handle Components Removed for Clarity)
5.6 Rack Linkage Installation
1. Remove the bolt and washer threaded into the valve stem. Remove any attached lever or handle.
2. Remove the top two bolts, washer, and lock washer on both valve flange adapters on the valve.
3. Attach the main bracket (Item 2) with these four bolts, washer, and lock washer. Torque these
bolts to the specifications shown in Section 5.2.
4. Install the two bushings and snap rings (Items 7 & 8). Orient the bushings so that the snap rings are
on the inside of the main bracket.
5. Install the lock bracket (Item 3), using four bolts (Item 8), eight washers (Item 9), and four lock nuts
(Item 10).
6. With the valve attached to the pump manifold, install the rack rod with handle (Items 11-13)
through the pump panel and brass bushings.
7. With the valve in the closed position, install the two gear spacers (Item 5) and the gear (Item 4).
For correct vertical placement, the gear should be in-between the two gear spacers. [As you install
the gear, adjust the rack rod so that the first tooth and first groove are aligned.]
8. Install the original bolt and washer (Items 15 and 14) and torque the bolt to 40 ft-lbs.
9. Adjust the lock bracket (Item 3) so that there is a 1/16” gap between the bracket and the rack rod.
10. If the rack rod operation is difficult or the rack and gear teeth appear to bind, adjust the position of
the main bracket (Item 2) to increase/decrease the distance between the rack rod and the gear.
Inner Pins on Bottom
of Slow Close
5. installation