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Limitorque B320 Series FCD LMENIM3201-02 – 01/15

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6.3.5 Disassembly of 5:1 Spur Gear Attachment for B320-90

(Piece numbers refer to Figure 6.8 and Table 6.6).

1. Remove the Socket Head Cap Screws (piece #217) and Lockwashers (piece #216) to remove the

Housing (piece #201).

2. Remove the Housing complete with the Input Shaft and Pinion (piece #202) and Idler Gear (piece

#203).

3. Remove the Hex Head Cap Screw (piece #215), Lockwasher (piece #214), and Flat Washer (piece

#213).

4. Remove the Output Gear (piece #204).

5. Remove the Hex Head Cap Screw (piece #218) and Lockwasher (piece #216).

6. Remove the Adapter Plate (piece #200) and O-ring (piece #211).

7. Continue disassembly as detailed in Section 6.1, Disassembly and Reassembly of B320-90.

6.3.6 Reassembly of 5:1 Spur Gear Attachment for B320-90

(Piece numbers refer to Figure 6.8 and Table 6.6).

1. Install the O-ring (piece #211) and Adapter Plate (piece #200), using the Hex Head Cap Screws

(piece #218) and Lockwashers (piece #216).

2. Install the Output Gear (piece #204).

3. Install the Flat Washer (piece #213), Lockwasher (piece #214), and Hex Head Cap Screw (piece

#215).

4. Install the Idler Gear (piece #203) and the Input Shaft and Pinion (piece #202) into the Housing

(piece #201).

5. Apply liquid gasket to the Adapter Plate ﬂange and install the Housing assembly (piece #210, #202,

and #203), using the Socket Head Cap Screws (piece #217) and Lockwashers (piece #216).

Flowserve Limitorque B320 series User Manual

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