Flowserve V Series - Manual (Page 20)

Limitorque TM V Series FCD LMENIM3601-01-AQ - 02/15
20
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.