Flowserve PT Series Limitorque - Manual (Page 32)

Limitorque PT Series Worm Gear Operator FCD LMENIM2001-00 – 01/10
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11. Remove Circlip (pc# 8)
12. Tap out Sealed Bearing (pc# 5)
Reassembly Instructions:
1. If the Sealed Bearing (pc# 5) has been removed from the spur Gearcase (pc# 2), reinstall the bearing and Circlip
(pc# 8).
2. Insert the Spur Gear (pc# 3) into the spur Gearcase.
3. Mount the spur Gearcase to the Flanged Cover of the operator, using the Hex Full Nuts and Lockwashers, aligning
the key slot with the key slot in the operator Worm Shaft.
Caution: The Worm Shaft Key should remain in the Worm Shaft when the Spur Gear and spur Gearcase are removed
from the operator. Be sure the Key is in place prior to installing the spur Gearcase and Spur Gear.
4. Reinstall the two Sealed Bearings (pc# 6) if they were removed from the spur Cover (pc# 1) and install the Circlip
(pc# 10).
5. Install the Input Pinion (pc# 4) into the spur Cover (pc# 1) and install the Circlip (pc# 11) to retain the Input Pinion
in the spur Cover.
6. Re-lubricate the housing to replace lubricant lost during disassembly.
7. Apply a bead of Loctite 574 or equivalent on the machined surface and around the bolt holes of the spur Gearcase,
being careful to avoid applying Loctite into the bolt holes.
8. Install the spur Cover (pc# 1) with Input Pinion (pc# 4), meshing the pinion gear with the Spur Gear.
note: Rotate the input pinion slightly if the pinion gear does not properly mesh with the Spur Gear.
9. Secure the Cover with Hex Head Screws.
10. Install the Pinion Shaft Key.