Controls System Maintenance; Adjusting The Blade Brake Cable - Toro 22178 Operator's Manual

21in heavy-duty rear bagger lawn mower
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Figure 29
1. Locknuts
2. Wheel spacer
3. Bearing/hub assembly
4. Bearing spacer
5. Wheel half
4. Separate the wheel halves from the tire by removing
4 bolts and 4 locknuts (Figure 29).
Note: If you remove the bearings from the
bearing/hub assembly, remove them by pressing on
the bearing spacer (Figure 29).
Assembling the Wheels
1. Position the tire onto one wheel half, aligning the
lugs on each (Figure 29).
2. Place the bearing/hub assembly into the center hole
of the wheel half. Ensure that the legs of the hub are
positioned over the flange of the hole (Figure 29).
3. Place the other wheel half onto the bearing/hub
assembly, aligning the wheel and the tire lugs and the
mounting holes (Figure 29).
4. Using 2 fully threaded screws or bolts (1/4-20 x 1.50
inch) and non-locking nuts, loosely secure the wheel
halves together. Mount the screws or bolts in the
opposing holes (Figure 29).
5. Check the alignment of all parts and tighten the
screws, alternating from side to side for a uniform fit,
until the wheel halves are drawn together (Figure 29).
6. Install the 2 bolts and 2 locknuts previously removed
in the remaining holes in the wheel halves and
tighten. Remove the 2 long screws or bolts and
replace them with 2 bolts and 2 locknuts (Figure 29).
7. Install the wheel to the pivot arm with the bolts,
a spacer, and a locknut. Ensure that the spacer is
positioned between the wheel hub and the pivot arm
(Figure 29).
6. Plastic cover (rear wheels
only)
7. Lug
8. Bearing (2)
9. Bolt
Controls System
Maintenance
Adjusting the Blade Brake
Cable
Whenever you install a new blade brake cable or replace
the blade brake assembly, adjust the spring tension on
the blade brake cable.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Figure 12).
3. Remove the fuel tank from the tank bracket.
Note: You do not need to disconnect the fuel line
from the fuel tank.
4. Reset the cable adjuster on the handle so that 1/4
inch (6 mm) of the threads show, then tighten the
nut (Figure 30).
1. Cable adjuster
2. Nut
5. Loosen the cable clamp screw until the brake cable
conduit slides (Figure 31).
21
Figure 30
3. 1/4 inch (6 mm) of threads

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