User Manual

B-46 WALK-BEHIND TROWEL • OPERATION AND PARTS MANUAL — REV. #8 (05/08/12) — PAGE 33
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1. Locate the cone point square head set screw (Figure 41) and
attached jam nut found on the side of the spider assembly.
Figure 41. Spider/Gearbox Removal
Figure 40. Correct Spider Plate Alignment
1 Gearbox
2 Gearbox Shaft
3 Yoke Arm
4 Thrust Collar Bearing
5 Wear Ring
6 Thrust Collar w/Bushing
7 Lower Wear Plate
8 Spider Plate
9 Set Screw, (Cone Point,
Square Head)
10 Jam Nut
1 Gearbox
2 Trowel Arm
3 Surface
4 Mounting Bar
5 Blade
6 Correct Alignment
Spider Removal
Remove the spider assembly from the gearbox shaft as follows:
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2. Loosen the jam nut and cone point square head set screw.
3. Carefully lift the
upper trowel assembly off of the spider
assembly. A slight tap with a rubber mallet may be necessary
to dislodge the spider from the main shaft of the gearbox.
MAINTENANCE