PAGE 26 — CA4HM WALK-BEHIND TROWEL — OPERATION MANUAL — REV. #3 (10/28/10)
1. Remove the trowel blades from the trowel arm by removing
the two hex head bolts (Figure 26) from the trowel arm. Set
blades aside.
Figure 26. Trowel Blades
2.
Wire brush
any build-up of concrete from all six sides of the
trowel arm. Repeat this for the remaining three arms.
■
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?
2. Start engine, and bring trowel blades up to full speed and look
for the following conditions:
a. Remove the zerk fitting and allen head screw desig-
nated by the letter "
S
" (Figure 24). In addition, on the
opposite side of the spider block there is another zerk
fitting and allen head screw, remove both of these
components.
Spider Removal
1. Once it is determined that an adjustment is required, remove
the spider assembly from the gearbox shaft as follows:
Figure 24. 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 25).
Figure 25. Trowel Arms Removal
Trowel Blade Removal
MAINTENANCE
Disconnect the spark plug wire from the spark plug and
secure away from the engine before performing
maintenance or adjustments on the machine.
CAUTION
