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PAGE 30 — MQ-WHITEMAN FS2 CONCRETE SAW — PARTS & OPERATION MANUAL — REV. #2 (11/08/01)
FS2 CONCRETE SAW — MAINTENANCE
Blade Shaft Bearing Replacement
The FS2 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 24 and 25) conveniently located for service.
Figure 24. Left-Side Shaft Bearing
1.
Reference pages 38 ( Blade Shaft Assembly) and 40( Engine
Mount Assembly).
2. Its recommended to replace both left & right hand bearings
collectively.
Figure 25. Right-Side Shaft Bearing
3.
To loosen the tension on the three V-Belts perform the
following:
l
Remove the Belt Cover, item 4, page 42. (Pointers and
Covers Assembly)
l
Loosen the Carriage Bolts, item 11, page 40 (Engine
Mount Assembly).
l
Loosen the Hex Head Cap Screws, item 12, page 40
(Engine Mount Assembly).
l
Rotate 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:
l
Remove Blade Flanges (items 7 and 8, page 38, Blade
Shaft Assembly) as required to permit the Shaft Bearing(s)
to slide off the Blade Shaft.
l
Loosen/remove Shaft Bearing(s) Hex Head Cap Screws,
item 11, page 38.
l
Loosen Set Screw on the Blade Shaft Bearing collar.
l
Slide “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. Loosely bolt the bearing(s) into place on the saw frame, then
ensure the alignment by referencing past bearing position-
ing.
6. Tighten the hex head cap screw, item 11, page 38 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, see V-belt
tension section on page 23 (Figure 14).