Flowserve V Series User Manual

Page 20

Limitorque

V Series FCD LMENIM3601-01-AQ - 02/15

5.4 Disassembly and Reassembly of Double Reduction

Spur Gear Attachment (1SD)

Disassembly Instructions

Refer to Figure 5.4

1. Remove the Cap Screws (pc# 19) and Input Flange (pc# 18) with Oil Seal (pc# 15) from the Cover (pc# 12).

2. Remove the Hex Head Cap Screws (pc# 14) and Cover (pc# 12) with Oil Seal (pc# 15).

3. Remove the Helical Gear/2nd Set Pinion subassembly.

4. Remove all traces of the Cover Gasket (pc# 13).

5. Remove the Input Shaft/Pinion subassembly from the Cover (pc# 12) by removing the Retaining Ring (pc# 16).

6. Separately, remove the Retaining Ring (pc# 4) and Ball Bearings (pc# 11) from the Input Shaft/Pinion (pc# 9).

7. Remove the Ball Bearing (pc# 8) from the 2nd Set Pinion (pc# 5).

8. Remove the Retaining Ring (pc# 4) and the Helical Gear (pc# 2) from the 2nd Set Pinion (pc# 5).

9. Remove the Retaining Ring (pc# 4) and the Helical Gear (pc# 2) from the gearbox Bevel Pinion.

10. Remove the Cap Screws (pc# 20) which mount the Spur Gear Attachment to the gearbox and remove the Spur Gear Housing (pc# 1).

11. If disassembly of the bevel gearbox is required, see Sections 5.1 or 5.2

Reassembly Instructions

Refer to Figure 5.4

1. Install the Spur Gear Housing (pc# 1) on the bevel gearbox, ensuring proper gasket is installed between the gearbox and spur gear housing

2. Install the Helical Gear (pc# 2) on the gearbox Bevel Pinion with Keys (pc# 3). Fasten with Retaining Ring (pc# 4).

3. Insert the Bushing (pc# 10) into the end of the Input Shaft/Pinion (pc# 9).

4. Install the Ball Bearings (pc# 11) and Retaining Ring (pc# 4) onto the Input Shaft/Pinion (pc# 9).

5. Install the Input Shaft/Pinion subassembly in the Cover (pc# 12) using Retaining Ring (pc# 16).

6. Install the Ball Bearing (pc# 6) in the Spur Gear Housing (pc# 1).

7. Assemble the Helical Gear (pc# 2) on the 2nd Set Pinion (pc# 5) with Keys (pc# 7). Fasten with Retaining Ring (pc# 4).

8. Install the Ball Bearing (pc# 8) on the 2nd Set Pinion (pc# 5).

9. Install the Helical Gear/2nd Set Pinion subassembly in the Ball Bearing (pc# 6).

NOTE: Lubricate the Spur Gearing. See Section 3.

10. Replace the Gasket Cover (pc# 13).

11. Install the Cover (pc# 12) with Input Shaft/Pinion subassembly onto the Spur Gear Housing (pc# 1), ensuring proper mesh of Input Shaft/Pin-

ion (pc# 9) and Helical Gear (pc# 2), and alignment of Ball Bearing (pc# 8) with Cover (pc# 12).

12. Replace the Oil Seal (pc# 15) in the Cover (pc# 12).

13. Install the Input Flange (pc# 18) with Oil Seal (pc# 15) onto the Cover (pc# 12) using Cap Screws (pc# 19).

NOTE: Replace any worn or damaged O-Rings or Gaskets to ensure proper sealing and operation.