Flowserve SMB Series Electric Actuators - Manual (Page 48)

SMB Series/SB Series Installation and Maintenance FCD LMENIM1401-04-AQ – 01/15
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7. Remove Declutch Lever.
8. Remove Spring Cartridge Cap Cover (piece #25).
9. Remove Spring Cartridge Cap (piece #3).
10. Pull the Worm (piece #19) and Belleville Spring assembly (piece #46) directly out.
11. Remove Tripper Lever (piece #10) assembly.
NOTE: A hex head cap screw (piece #173) locates and secures the Tripper Lever on the Declutch
Shaft (piece #34) (end of shaft should be flush with tripper lever).
12. For the top-mounted handwheel, remove the Housing Cover (piece #88) and the Handwheel
(piece #89) assembly.
13. For the side-mounted handwheel, remove the Bevel Gear Housing (piece #96) and the entire
handwheel assembly—including the Bevel Gear Cartridge (piece #98).
14. Remove the Drive Sleeve Assembly completely, including pieces #4, 7, 8, 12, 14, 28, 29, 30, 43,
64, and 66. Press off the Lower Roller Bearing Cone (piece #66). Slide off all remaining pieces
except Geared Limit Drive Hypoid Gear (piece #12) and Roller Bearing Cone (piece #64).
15. Remove the Locknut (piece #73) and remove the Worm Shaft Gear (piece #18).
16. Remove the Tripper Cams (piece #24), Bearing Spacer (piece #31), and Cam Spacers (piece
#36).
17. Remove the Worm Shaft (piece #17), Bearing (piece #67) and Worm Shaft Bearing Cap (piece
#35).
18. Remove the internal Retaining Ring (piece #71). Remove Worm (piece #19) from worm
assembly.
19. Remove the Retaining Ring (piece #70) on declutch shaft. Pull the Declutch Shaft (piece #34)
and the Declutch Fork (piece #6) out of the actuator from the motor side of the actuator.
20. Press off the Upper Roller Bearing Cone (piece #64). Slide the Geared Limit Drive Hypoid Gear
(piece #12) off the Drive Sleeve (piece #4).
7.2.3 SMB-00 Reassembly
a CAUTION: Read gasket instructions 7.2.4 before replacing gaskets.
To reassemble, follow the disassembly procedure in the reverse order, noting the following:
• Step No. 19 of Disassembly procedure—orient the Declutch Fork (piece #6) on the Declutch Shaft
(piece #34) as shown in Figure 7.8 (exploded view).
• Step No. 6 of Disassembly procedure—manually declutch unit and rotate Worm Shaft Gear (piece
#18) to verify proper tripper operation.
Adjust Clutch Trippers
1. Loosen the lock screw (piece #166) on the Tripper Adjustment Arm (piece #21).
2. Hold down the Declutch Lever (piece #5).
3. Lift the Tripper Adjustment Arm up to touch the Trippers (pieces #26, 27). Tighten the lock screw
on the Tripper Adjustment Arm.
4. Rotate the Worm Shaft Gear (piece #18) to ensure actuator shifts into motor operation
automatically.