Tomahawk JXPT24K, Operation Manual

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13.2 Trowel Arm Adjustment Continued
Figure 17 illustrates, "incorrect alignment", worn spider bushings or bent trowel arms. Check
that the adjustment bolt is barely touching (0.10" max. clearance) lower wear plate. All
alignment bolts should be spaced the same distance from the lower wear plate.
1 Adjustment Bolt
2 Lower Wear Plate
3 Surface
4 "Dished" Effect on Finished Concrete
13.3 Trowel Blade Removal
13.3.1
Remove the trowel blades from the trowel arm by
removing the two hex head bolts from the trowel arm. Set
blades aside.
13.3.2
Wire brush any build-up of concrete from all six
sides of the trowel arm. Repeat this for the remaining
three arms.
13.4 Re-Assembly
13.4.1
Clean and examine the upper/lower wear plates
and thrust the collar.
13.4.2
Examine the entire spider assembly. Wire brush any
concrete or rust build-up. If any spider components are
found to be damaged or misshaped, replace it.
13.4.3
Reinstall bronze bushing on the trowel arms.
13.4.4
Repeat above steps for each trowel arm.
13.4.5
Make sure that the spring tensioner is in the correct position to exert tension on the
trowel arm.
13.4.6
With the bronze bushing already installed, insert all the trowel arms with levers into
the spider plate.
13.4.7
Use care to align the grease hole on the bronze bushing with the grease hole fitting on
the spider plate.
13.4.8
Lock the trowel arms in place by tightening the hex head bolt with zerk grease fitting
and jam nut.
13.4.9
Re-install the blades onto the trowel arms.
13.4.10
Install the stabilizer ring onto the spider assembly.
WARNING:
Disconnect the spark plug wire from the spark plug and secure away from the engine before
performing maintenance or adjustments on the machine.
FIGURE 17
FIGURE 18