Flowserve PT Series Limitorque - Manual (Page 37)

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Limitorque PT Series Worm Gear Operator FCD LMENIM2001-00 – 01/10
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4.10 Spur Gear Attachments - PT65, 120, 150
Refer to Figure 4.18, 4.19, 4.20 and Table 4.8
1. Remove the Socket Head Cap Screws (pc# 9) that secure the Spur Gear Attachment (SGA) Cover (pc# 2) to the
SGA Housing (pc# 1)
2. Remove the SGA Cover, Input Pinion (pc# 3) and SGA Cover Gasket
3. Remove the Intermediate Gear (pc# 4)
4. Remove the Output Gear (pc# 5) from the Worm Shaft
5. Remove the SGA Housing (pc# 1) and SGA Housing Gasket (pc# 13)
6. If the PT requires disassembly, please see section 4.5
Reassembly Instructions:
1. Install the SGA Housing (pc# 1) and SGA Housing Gasket (pc# 13)
2. Insert the Output Gear (pc# 5) onto the PT Worm Shaft
3. Install the Intermediate Gear (pc# 4)
4. Re-lubricate thoroughly the Oil Seal (pc# 10) in the SGA Cover (pc# 2)
5. Re-lubricate the SGA Housing to replace lubricant lost during disassembly
6. Install the SGA Housing Cover (pc# 2) with Input Pinion (pc# 3) and SGA Cover Gasket.
note: Replace any worn or damaged O-rings or gaskets to ensure proper sealing.
Figure 4.18 – PT65, 120, 150 SGA Disassembly & Reassembly
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