Multiquip FS2SP Blade Shaft Bearing Replacement, Replacement of the Blade Shaft Bearings

FS2/FS2SP CONCRETE SAW — MAINTENANCE

Blade Shaft Bearing Replacement

The FS2/FS2SP 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 29 and 30) conveniently located for service.

Figure 29. Right-Side Shaft Bearing

1.Reference pages 44 ( Blade Shaft Assembly) and 46 ( Engine Mount Assembly).

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

3.To loosen the tension on the four V-Belts perform the follow- ing:

zRemove the Belt Guard, item, page 48, item 6 (Pointers and Covers Assembly)

zLoosen the Carriage Bolt, page 46, item 7 (Engine Mount Assembly).

zLoosen the Hex Head Cap Screws, page 46, item 4 (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 44, 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 screws, page 44, 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 adjustment and tensioningseepages31(Figures 27and 28)and33(Figure 32).

Figure 30. Left-Side Shaft Bearing

PAGE 32 — MQ-WHITEMAN FS2/FS2SP CONCRETE SAW — PARTS & OPERATION MANUAL — REV. #2 (06/26/06)