Flowserve SMB Series Electric Actuators - Manual (Page 69)

69
SMB Series/SB Series Installation and Maintenance FCD LMENIM1401-04-AQ – 01/15
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8. Remove declutch assembly as follows:
a. Clean grease from assembly as much as possible.
b. Scribe an alignment mark on all parts and shaft for use during reassembly.
c. Remove the Declutch Lever Stop (piece #28), Tripper Spring (piece #67), Clutch Tripper #1 and
#2 (piece #33 and #34), and Roll Pin (piece #110).
d. Loosen set screws on Declutch Lever (piece #9) and Collar (piece #103).
e. Remove the Declutch Lever (piece #9), Declutch Cap (piece #59), and slide the Declutch Shaft
(piece #30) out through the bottom of the Declutch Housing (piece #2), while removing the
Declutch Fork (piece #14) and other Declutch Shaft Mounted Components (piece #66, 70, 69,
and #103) from the Declutch Shaft (piece #30).
9. Remove the Handwheel Shaft and Pinion (piece #40), noting how many and which spacers go on
either side of the Declutch Fork (piece #14).
10. Remove the Solid Drive Shaft (piece #43) and the Flexible Jaw Clutch assembly (pieces 50, 73,
74, 75, 76, 97, and 98) as an integral assembly, Gear Clutch Spacer (piece #47), Sliding Clutch
Gear (piece #51), and Clutch Compression Spring (piece #68).
11. Remove Splined Insert (piece #54) using jack screws, Spirolox Ring (piece #107), and
Handwheel Gear (piece #6).
12. Remove Gear Mounting Bracket (piece #8) using jackscrews, Bearing (piece #93), and Bearing
Adapter (piece #65).
13. Pull Hollow Drive Shaft (piece #55) toward declutch end and remove Spirolox Ring (piece #106).
c WARNING: Declutch Housing is under torque spring load.
14. Remove Declutch Housing (piece #2) by loosening the two cap screws evenly and in turn to
allow gradual release of the torque spring preload.
15. Push Hollow Drive Shaft (piece #55) toward the Motor (piece #115) end, loosen set screw, and
remove Bearing Locknut (piece #99).
NOTE: Hold hollow drive shaft using adjustable spanner on splines.
a. Remove Bearing (piece #95) by pushing Hollow Drive Shaft (piece #55) toward declutch end.
b. Remove Geared Limit Threaded Collar (piece #32) and key.
c. Remove Hollow Drive Shaft (piece #55) from declutch end of the Housing (piece #1).
16. Loosen set screw in Cartridge Stem Locking Nut (piece #48) and temporarily replace Declutch
Housing (piece #2) with two screws to compress the torque spring.
c WARNING: Declutch Housing is under spring load.
17. Remove Cartridge Stem Locking Nut (piece #48).
18. Remove Declutch Housing (piece #2) by loosening the two cap screws evenly and in turn to
allow gradual release of the torque spring preload.
19. Pull Bearing Cartridge Stem (piece #45) out partially and remove the Thrust Washers (piece #46),
Torque Limit Sleeve (piece #62), and Belleville Springs (piece #58).
20. Remove bearing cartridge/worm assembly from the Housing (piece #1).