Multiquip FS3SP Blade Shaft Bearing Replacement, Replacement of the Blade Shaft Bearings

FS3SP CONCRETE SAW — MAINTENANCE

Blade Shaft Bearing Replacement

The FS3SP is supported by “tapped base lock collar (w/set screw)’ self-aligning blade shaft bearings. These heavy duty bearings support the 1-1/4 blade shaft, and have grease (zerk) points (Figures 28 and 29) conveniently located for service.

Figure 28. Right-Side Shaft Bearing

1.Reference pages 46 ( Blade Shaft Assembly) and 72 ( Engine Mount Assembly).

2.Its recommended to replace both left & right hand bearings collectively.

3.To loosen the tension on the three V-Belts perform the following:

zRemove the Belt Guard, item, page 50, item 17 (Pointers and Covers Assembly)

zLoosen the Carriage Bolt, page 48, item 4 (Engine Mount Assembly).

zLoosen the Hex Head Cap Screws, page 48, item 7 (Engine Mount Assembly).

zRotate the engine down to provide slack in the V-Belts

Replacement of the Blade Shaft Bearings

4. Perform the following to replace the blade shaft bearings:

zRemove blade flanges (page 46, items 7 and 8, Blade Shaft Assembly) as required to permit the Shaft Bearing(s) to slide off the blade shaft.

zLoosen/remove shaft bearing(s) hex head cap screws, page 44, item 11.

zLoosen set screw on the blade shaft bearing collar.

zSlide “old” bearing(s) off the blade shaft and replace with “new” bearing(s)- grease (zerk) fitting pointing forward, and the lock collar oriented to the “right" as you face the saw.

5.Looselyboltthebearing(s)intoplaceonthesawframe,then ensure the alignment by referencing past bearing position- ing.

6.Tighten the hex head cap screw, page 46, item 11 to secure the shaft bearing (s) to the frame.

7.To complete the re-installation process, reverse the order of the above mentioned steps. For V-belt adjustmemt and tensioning see pages 32 (Figures 26 and 27) and page 34(Figure 30).

Figure 29. Left-Side Shaft Bearing

MQ-WHITEMAN FS3SP CONCRETE SAW — PARTS & OPERATION MANUAL — REV. #0 (07/15/02) — PAGE 33