Flowserve SR Series Limitorque - Manual (Page 18)

Limitorque SR Series FCD LMENIM3701-00-AQ - 11/14
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24. Remove the Gasket (pc# 32) from the Thrust Housing (pc# 37).
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CAUTION: Care must be taken to ensure that the O-ring (pc# 35) located in the Thrust Base (pc# 31) is not damaged during disassembly.
25. Separately, remove the O-ring (pc# 35) from the Thrust Base (pc# 31).
26. Remove the lower Thrust Roller Bearing (pc# 33) from the Stem Nut (pc# 5).
27. Remove the Stem Nut (pc# 5) from the upper Thrust Roller Bearing (pc# 33) and Thrust Housing (pc# 37).
28. Remove the upper Thrust Roller Bearing (pc# 33) from the Thrust Housing (pc# 37). Place all bearings in a clean, dry area until reassembly.
Reassembly Instructions
Refer to Figure 5.2
1. Place the Thrust Housing (pc# 37) upside down for internal access.
2. Install the upper Thrust Roller Bearing (pc# 33) into the Thrust Housing (pc# 37).
3. Install the Stem Nut (pc# 5) into the Thrust Housing (pc# 37) and upper Thrust Roller Bearing (pc# 33).
4. Install the lower Thrust Roller Bearing (pc# 33) onto the Stem Nut (pc# 5).
5. Separately, install the O-ring (pc# 35) in the Thrust Base (pc# 31).
6. Place the Gasket (pc# 32) onto the Thrust Housing (pc# 37).
7. Place the Thrust Base (pc# 31) with O-ring (pc# 35) onto the Thrust Housing (pc# 37) and Stem Nut (pc# 5).
8. Secure the Thrust Base (pc# 31) to the Thrust Housing (pc# 37) using Cap Screws (pc# 34).
9. Place the Thrust Base & Thrust Housing Subassembly in the upright position.
10. Place the Gasket (pc# 36) onto the Thrust Housing (pc# 37).
11. Place the Base (pc# 2) onto the Thrust Housing (pc# 37) and secure using Cap Screws (pc# 38).
12. Install the upper O-ring (pc# 35) in the Thrust Housing (pc# 37).
NOTE: Lubricate all O-rings before installation
13. Install the lower Thrust Ball Bearing (pc# 13) in the Thrust Housing (pc# 37).
14. Install the Drive Sleeve (pc# 6) into the Thrust Housing (pc# 37) and lower Thrust Ball Bearing (pc# 13).
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CAUTION: Care must be taken to ensure that the O-ring (pc#36) located in the Thrust Housing (pc# 37) is not damaged during installation.
15. Install the Output Helical Gear (pc# 3) onto the Drive Sleeve (pc# 6), ensuring the gear is properly seated with splines fully engaged.
16. Install the upper Thrust Ball Bearing (pc# 14) onto the Drive Sleeve (pc# 6).
17. Install the lower Radial Ball Bearing (pc# 11) and Intermediate Helical Pinion (pc# 17) in the Base (pc# 2).
18. Install the Intermediate Helical Gear (pc# 16) and Retaining Ring (pc# 29) onto the Intermediate Helical Pinion (pc# 17).
19. Install the upper Radial Ball Bearing (pc# 11) on the Intermediate Helical Pinion (pc# 17).