Cable; Controls System Maintenance - Toro 22177 Operator's Manual

21in heavy-duty recycler/rear bagger lawn mower
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Figure 33
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 33).
Note: If you remove the bearings from
the bearing/hub assembly, remove them by
pressing on the bearing spacer (Figure 33).
Assembling the Wheels
1. Position the tire onto one wheel half, aligning
the lugs on each (Figure 33).
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 33).
3. Place the other wheel half onto the bearing/hub
assembly, aligning the wheel and the tire lugs
and the mounting holes (Figure 33).
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 33).
5. Check the alignment of all parts and tighten
the bolts, alternating from side to side for a
uniform fit, until the wheel halves are drawn
together (Figure 33).
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 33).
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 33).
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
assembly or replace the belt, adjust 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 13).
3. Loosen the cable clamp screw until the brake
cable conduit slides (Figure 34).
Figure 34
1. Spring
2. Cable conduit
4. Pull the cable to the remove slack, but do not
put tension on the spring. Tighten the cable
clamp screw to lock the adjustment in place.
Do not overtighten the blade brake cable.
Overtightening the blade brake cable could
cause the blade brake to come off of the
brake drum. If the brake does not contact
the drum, the blade will not stop rotating
when you release the control bar. A rotating
blade could cause serious personal injury.
• Each time you adjust the brake cable,
ensure that the brake stops the blade in 3
seconds or less.
• If the blade does not stop rotating in 3
seconds or less, bring the lawn mower
to an Authorized Service Dealer for
inspection and repair.
26
3. Cable clamp screw

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