Flowserve HBC Series Limitorque - Manual (Page 18)

Limitorque HBC Series FCD LMENIM3501-02-AQ – 10/14
18
a CAUTION: Following these instructions exactly will prevent jamming or damaging the equipment.
Complies fully with AWWA Standard C504, latest revision.
Refer to Figures 5.1 and 5.2.
1. Remove the Limit Stop Housing Cover (piece #9), Gear Frame Housing Cover (piece #10), and Gear Frame
Through Cap (piece #11). Do not remove Gear Frame Retaining Plate (piece #48).
2. Note the position of the Racks (piece #19). The racks should be in the up position, as shown in Figure 5.1A.
3. Note the position of the three (3) center punch marks on the end of the Input Shaft (piece #4). These center
punch marks show the position of the lug on the Lug Sleeve (piece #5).
4. With the input shaft as shown in Figure 5.1B, pull the Idler Gear (piece #18) and hold it out of engagement
with the Input Pinion (piece #47).
5. Rotate the handwheel on the Input Shaft (piece #4) clockwise until the valve reaches the extreme position
of travel. Normally with clockwise handwheel rotation closing the valve, the valve will go to the fully closed
position. If the valve is set up for clockwise handwheel rotation to open, the valve will go to the fully open
position.
6. Place the Input Shaft (piece #4) in position, as shown in Figure 5.1C.
7. Using a screwdriver, rotate the Input Pinion (piece #25A), as shown in Figure 5.1B clockwise until the Rack
(piece #19A) moves downward, as shown in Figure 5.1C. Do not rotate the pinion any further.
8. Push Idler Gear (piece #18) into engagement and rotate Input Shaft (piece #4) clockwise to check the setting.
The lug should hit the Rack (piece #19) and prevent further handwheel rotation.
5
Setting Instructions
for AWWA
Input Shaft Stop