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| 1 |
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| 2 |
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| 6 |
| 4 | 5 |
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| 3 |
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1 | Gearbox | 4 | Mounting Bar |
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2 | Trowel Arm | 5 | Blade |
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3 | Surface | 6 | Correct Alignment | |
Figure 31. Correct Spider Plate Alignment
Spider Removal
1.Onceitisdeterminedthatanadjustmentisrequired,remove the spider assembly from the gearbox shaft as follows:
a.Remove the zerk fitting and allen head screw desig- nated by the letter "S" (Figure 32). In addition, on the opposite side of the spider block there is another zerk fitting and allen head screw, remove both of these components.
1
2
3
4
5
6
8 | S |
7
10
9
CA4HCTROWEL — MAINTENANCE
1Gearbox
2Gearbox Shaft
3Thrust Collar Bearing
4Thrust Collar
5Lower Wear Plate
6Spider Plate
7Zerk Cap
8Zerk Fitting
9Washer
10Allen Screw
Figure 32. Spider/Gearbox Removal
b.Lift the upper trowel assembly off 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 Arm Removal
1.Remove the two remaining zerk fittings and allen head screws from the spider assembly (Figure 33).
2
3
2
4
1 | S |
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1Spider Plate
2Zerk Fitting
3Washer
4Zerk Cap
Figure 33. Trowel Arms Removal
PAGE 28 — CA4HC
