Multiquip SP2S20H - Manual (Page 42)

page 42 — Sp2S20h paVeMeNT SaW • operaTioN MaNual — reV. #1 (02/17/12)
Maintenance
BlaDe ShaFT BeariNg replaCeMeNT
Although the steps for this procedure are listed here, it is
recommended that this be performed by an authorized
service center.
The saw is supported by “tapped base lock collar (with/
set screw)" self-aligning Blade Shaft Bearings (Figure
57). These heavy duty bearings support the 1-1/4 blade
shaft, and have grease (zerk) points conveniently located
for service.
NOTICE
Replace both left and right bearings. NeVer replace
one and not the other.
1. Remove blade-side hex jam nut.
2. Remove pulley-side hex jam nut
3. Remove outside flange.
4. Remove blade and dowel pin. Store blade in an area
free of dirt and debris where it will not be damaged.
5. Remove inside flange.
6. Remove the screws (4), flat washers (4) and lock
washers (4) that secure the pillow block bearings (2)
to the frame.
7. Remove blade spindle shaft and associated components
from frame.
Figure 57. Blade Shaft Bearing Replacement
HEX JAM
NUT
OUTSIDE
FLANGE
BLADE
BLADE SIDE
PULLEY SIDE
INSIDE
FLANGE
DOWEL
PIN
KEY
PILLOW
BLOCK
BEARING
BLADE
SPINDLE
SHAFT
KEY
SET
SCREW (2)
HEX JAM
NUT
V-BELTS (4)
SPACER
BUSHING
RETAINING SCREW (3)
LOCKWASHER (2)
FLATWASHER (2)
FLATWASHER (2)
SCREW (2)
SCREW (2)
PULLEY
PILLOW
BLOCK
BEARING
LOCKWASHER (2)
SET
SCREW
SET
SCREW