
mAINTENANCE
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.
Trowel Blade Removal
Remove the trowel blades by removing the three hex head bolts (Figure 38) from the trowel arm. Set blades aside.
Trowel Arm
Hex Head Bolt
Lock Washer
Trowel Blade
Figure 38. Trowel Blades
Trowel Arm Removal
1.Remove the hardware securing the stabilizer ring to the trowel arm. (Figure 39)
2.Each trowel arm is held in place at the spider plate by a hex head bolt (zerk grease fitting) and a roll pin. Remove both the hex head bolt and the roll pin (Figure 35) from the spider plate.
3.Remove the trowel arm from the spider plate.
Figure 39. Stabilizer Ring
Spider Plate
Roll Pin
Hex Head Bolt
(Zerk Fitting)
Figure 40. Removing Roll Pin and Grease Zerk
Fitting
4.Should the trowel arm inserts (bronze bushing) come out with the trowel arm, remove the bushing from the trowel arm and set aside in a safe place. If the bushing is retained inside the spider plate, carefully remove the bushing.
5.Examine the bronze trowel arm bushing (Figure 41), and clean if necessary. Replace bushing if
Bronze Bushing
Spider Plate
Figure 41. Bronze Bushings
6.Wire brush any
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