J36/M30 WALK-BEHIND TROWEL — OPERATION AND PARTS MANUAL — REV. #10 (05/07/12) — PAGE 33
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:
1
2
4
5
6
3
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
10
9
8
6
7
5
4
1
2
3
