Flowserve SR Series Limitorque - Manual (Page 17)

17
Limitorque SR Series FCD LMENIM3701-00-AQ - 11/14
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5.2 Disassembly and Reassembly of SR200H through SR600H
Disassembly Instructions
Refer to Figure 5.2
1. Loosen the Set Screw (pc# 20) and remove the Stem Cover Adapter (pc# 28) with O-rings (pc# 26 and pc# 27) from the Housing (pc# 1).
2. Separately, remove the O-rings (pc#26 and pc# 27) from the Stem Cover Adapter (pc# 28).
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CAUTION: Care must be taken to ensure that the O-rings (pc# 26 and pc# 27) are not damaged during disassembly.
3. Remove the Key (pc# 24) from the Input Shaft & Pinion (pc# 4).
4. Remove the Cap Screws (pc# 10) and the Input Flange (pc# 8) with upper Oil Seal (pc# 25).
5. Separately, remove the upper Oil Seal (pc# 25) from the Input Flange (pc# 8).
6. Remove the Cap Screws (pc# 9) and lift the Housing (pc# 1) from the Base (pc# 2) using the Eye Bolts (pc# 23) provided.
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CAUTION: Care must be taken to ensure that the O-ring (pc# 15) and Oil Seal (pc# 25) located in the Housing (pc# 1) are not damaged
during disassembly.
7. Separately, remove the upper O-ring (pc# 15) and lower Oil Seal (pc# 25) from the Housing (pc# 1).
8. Remove the Gasket (pc# 22) from the Base (pc# 2).
9. Remove the two upper Radial Ball Bearings (pc# 12) from the Input Shaft & Pinion (pc# 4). Place all bearings in a clean, dry area until reassembly.
10. Remove the Input Shaft & Pinion (pc# 4) and lower Radial Ball Bearing (pc# 11) from the Base (pc# 2). Place bearing in a clean, dry area
until reassembly.
11. Remove the upper Radial Ball Bearing (pc# 11) from the Intermediate Helical Pinion (pc# 17). Place bearing in a clean, dry area until reassembly.
12. Remove the Retaining Ring (pc# 29) and the Intermediate Helical Gear (pc# 16) from the Intermediate Helical Pinion (pc# 17).
13. Remove the Intermediate Helical Pinion (pc# 17) and lower Radial Ball Bearing (pc# 11) from the Base (pc# 2).
14. Remove the upper Thrust Ball Bearing (pc# 14) from the Drive Sleeve (pc# 6). Place bearing in a clean, dry area until reassembly.
15. Remove the Output Helical Gear (pc# 3) from the Drive Sleeve (pc# 6).
16. Remove the Drive Sleeve (pc#6) from the Base (pc# 2) and lower Thrust Ball Bearing (pc# 13).
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CAUTION: Care must be taken to ensure that the O-ring (pc# 15) located in the Base (pc# 2) is not damaged during disassembly.
17. Remove the lower Thrust Ball Bearing (pc# 13) from the Thrust Housing (pc# 37). Place the bearing in a clean, dry area until reassembly.
18. Remove the upper O-ring (pc# 35) from the Thrust Housing (pc# 37).
19. Remove the Cap Screws (pc# 38) and lift the Base (pc# 2) from the Thrust Housing (pc# 37).
20. Remove the Gasket (pc# 36) from the Thrust Housing (pc# 37).
21. Place the Thrust Base & Thrust Housing Subassembly upside down to access the Thrust Base (pc# 31).
22. Remove the Cap Screws (pc# 34) which mount the Thrust Base (pc# 31) to the Thrust Housing (pc# 37).
23. Remove the Thrust Base (pc# 31) with lower O-ring (pc# 35) from the Thrust Housing (pc# 37) and Stem Nut (pc# 5).