4
Maintenance and service
Liquiflo FTS Transfer Pump User Manual
Series No. FTS300
28
Removing and replacing gear chamber shaft seals, thrust washers, and bearings
1.
Using a Phillips #2 screwdriver, remove four thrust washers and remove the thrust washers, Figure 1.
2.
Remove the gear chamber inner shaft seals using a seal removal tool, hooking it under the lip of each seal and
gently prying upward, Figure 2.
3.
If bearings are to be replaced - Using an ID bearing puller, extract both sets of bearings from the volute housing,
Figure 4. Press new bearings in until they bottom out in the bearing bore.
4.
Be sure you are using shaft seal number 1000-1750, Figure 3. Position the shaft seals with the cup facing
up
(away from the bearings)
, and push firmly into place, Figure 4.
5.
Using a Phillips #2 screwdriver and two retaining screws each, install the two thrust washers, Figure 1.
The gear chamber assembly contains three shaft seals plus a retaining ring, one O-ring, two thrust washers, and two
needle bearings. See page 14 for information on which service kit to order for the parts you wish to replace.
Replacing gear chamber inner shaft seals and bearings
Figure 1
Figure 2
Figure 3
Four
thrust
washer
screws
Shaft seals
• Lubricate the inner lips of the shaft seals with Mobilgrease XHP
™
222.
• Lubricate O-rings and shaft seal OD with Dow Corning Molykote
®
111 lubricant.
• Lightly pack the bearings with Mobilgrease XHP
™
222.
Thrust washer screws
Thrust washers
Shaft seals
1.00” x 1.00” bearings
Figure 4
