Flowserve SMB Series Electric Actuators - Manual (Page 41)

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SMB Series/SB Series Installation and Maintenance FCD LMENIM1401-04-AQ – 01/15
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15. Remove Tripper Cam (piece #27) and Cam Spacers (pieces #31, 37).
16. Remove Worm Shaft (piece #21), Bearing (piece #70) and Worm Shaft Bearing Cap (piece #4).
17. Remove internal Retaining Ring (piece #74). Remove Worm (piece #24) from worm assembly.
18. Remove the Retaining Ring (piece #75) from declutch shaft. Pull the Declutch Shaft (piece #40)
and the Declutch Fork (piece #9) out of the actuator from the motor side of the actuator.
7.1.3 SMB-000 Reassembly
a CAUTION: Read gasket instructions 7.1.4 before replacing gaskets.
To reassemble, follow the disassembly procedure in the reverse order noting the following:
• Step 18 of Disassembly procedure—orient the Declutch Fork (piece #9) on the Declutch Shaft
(piece #40) as shown in Figures 7.1 and 7.2.
• Step 6 of Disassembly procedure - manually declutch unit and rotate Worm Shaft Gear (piece #22)
to verify proper tripper operation.
Adjust Clutch Trippers
1. Loosen lock screw (piece #113) on Tripper Adjustment Arm (piece #26).
2. Hold down Declutch Lever (piece #7). Lift Tripper Adjustment Arm up to touch Trippers (pieces
#28, 29). Tighten lock screw on Tripper Adjustment Arm.
3. Rotate Worm Shaft Gear (piece #22) to ensure actuator shifts into motor operation automatically.
4. Declutch actuator again and repeat Step 3.
7.1.4 Gasket Instructions
All gaskets except the housing cover gasket are 1 ⁄
32
" thick ASTM F104 synthetic fiber.
The housing gaskets vary in thickness. To determine the correct size, proceed as follows:
1. Clean the Housing Cap (piece #6) and main Housing (piece #1) gasket surface.
2. Install the actuator Drive Sleeve Assembly, including the Bearings.
3. Install the Housing Cap and measure the gap between the Housing Cap and the main Housing.
4. Take measurement and add 10%. Use the closest nominal gasket thickness or combination
available.