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7.  Once the correct adjustment is made, tighten the lock 

nut on the trowel arm to lock in place.

8.  Loosen locking nuts on the adjustment fixture, and 

remove trowel arm.

9.  Repeat steps for the remaining trowel arms.

1.  Clean and examine the upper/lower wear plates and 

thrust collar. Examine the entire spider assembly. Wire 

brush any concrete or rust buildup. If any of the spider  

components are found to be damaged or out of round, 

replace them.

2.  Make sure that the bronze trowel arm bushing is not 

damage or out of round. Clean the bushing if necessary. 

If the bronze bushing is damaged or worn, replace it.

3.  Reinstall bronze bushing onto trowel arm.
4.  Repeat steps 2 -3 for each trowel arm.
5.  Make sure that the spring tensioner is in the correct 

position to exert tension on the trowel arm.

6.  Insert all trowel arms with levers into spider plate (with 

bronze bushing already installed) using care to align 

grease hole on bronze bushing with grease hole fitting 

on spider plate.

7.  Lock trowel arms in place by tightening the hex head 

bolt with zerk grease fitting and jam nut.

8.  Reinstall the blades onto the trowel arms.
9.  Install stabilizer ring onto spider assembly.
10.  Reinstall lower wear plate, thrust collar and upper wear 

ring in the reverse  order  that they were disassembled 

onto the spider shaft. Make sure that there is little or 

no lateral movement between the thrust collar and the 

spider shaft.

11.  Carefully lift the upper trowel assembly, line up the 

keyway on gear box main shaft and insert into spider 

assembly.

12.  Reinstall square head cone point into spider plate and 

tighten in place. Tighten jam nut. Use care in making 

sure point of set screw engages groove in gear box 

main shaft.

13.  Lubricate all grease points (zerk fittings) with premium 

"Lithum 12" based grease, conforming to NLG1 Grade 

#2 consistency.

These round discs, sometimes referred to as "pans", attach 

to the spiders arms and allow early floating on wet concrete 

and easy movement from wet to dry areas. They are also 

very effective in embedding large aggregates and surface 

hardeners.
Refer to Figure 57 when installing pans onto finisher blades.

1.  Lift trowel just enough to slide pan under blades. Lower 

finisher onto pan with blades adjacent to Z-Clips.

2.  Rotate blades into position under Z-Clips. Ensure that 

the blades are rotated in the direction of travel when 

the machine is in operation or use the engine to rotate 

the blades into position.

3.  Attach the blade tie-downs to the far side of the Z-Clip 

brackets with tie-down knobs as shown in Figure 57.

4.  Check to make certain that the blade edges are 

secured under the Z-Clips and the tie-downs are 

secured completely over the edges of the blade bar 

before the machine is put back into operation.

BLADE ASSEMBLY

Z-CLIP, PAN

TIE-DOWN, BLADE

KNOB, TIE-DOWN
Z-CLIP PANS