SCT SERIESTROWEL — MAINTENANCE

2.Start engine, and bring trowel blades up to full speed and look for the following conditions:

Does the trowel have a perceived rolling or bouncing motion when in use?

Look at the trowel while it is running, does the guard ring “rock up and down” relative to the ground?

Spider Removal

1.Onceitisdeterminedthatanadjustmentisrequired,remove the spider assembly from the gearbox shaft as follows:

a.Locate the cone point square head set screw (Figure 35) and attached jam nut found on the side of the spider assembly.

b.Loosen the jam nut and cone point square head set screw, and carefully lift the upper trowel assemblyoff 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.

c.If the trowel is equipped with an outer stabilizer ring (Figure 36), remove the four bolts at the end of each spider arm.

Figure 36. Stabilizer Ring

d.Examine stabilizer ring for out of round or bends. If ring isdamaged,replacering.Ifringisfoundtobecorrectwith no damage, set aside.

Trowel Arm Removal

1.Each trowel arm is held in place at the spider plate by a hex headbolt (zerkgreasefitting)andarollpin.Removeboththe hex head bolt and the roll pin (Figure 37) from the spider plate.

2.Remove the trowel arm from the spider plate.

Figure 35. Spider/Gearbox Removal

Figure 37. Removing Roll Pin

and Zerk Grease Fitting

SCT SERIES WALK-BEHIND TROWEL — PARTS & OPERATION MANUAL — REV. #4 (04/02/07) — PAGE 29

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Stow SCT36, SCT46 operation manual Spider Removal, Trowel Arm Removal