Service Manual

ManualsBrandsToro ManualsLawn MowersToro 20110

4 - 20 Service Dealer’s Guide to Great Quality of Cut

Checking and Adjusting the Blade Level

Adjusting Blade Tracking

On mowers with multiple blades, not only do the blades

need to be a minimum of 1/8 inch up from the bottom

edge of the housing, but they must also line up where

the tips come together. Take the two blade tips and

point them towards each other. They must be within

1/8-3/16 inch of level with each other, or both must be

the same distance from the blade to the ground

(Figure 62).

Figure 62

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Another method is to remove the blades and place a

straight edge between the blade saddles (Figure 63).

They should be in line. If they are not, loosen the bolts

securing the spindle housing to the mower housing.

Insert shim washers and recheck. Once you have the

alignment, remove the bolt and reinstall through the

spindle housing, washer, and mower housing to secure

the shim.

Figure 63

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Yet another way to check this with the blades attached

is to align the blades (two blades at a time on three

blade mowers), then run a string across the cutting tips

of the blades. The string should be straight. If it is not,

the blade or spindle could be bent.

If the saddles or blades do not line up and the spindles

are not bent, a shim between the spindle housing and

the mower housing may help align them. Loosen the

spindle to mower housing bolts and insert shim

washers until the saddles are in line. Then if you used

washers to shim the spindle housing, remove the bolt

and reassemble through the washer to secure it.

5xi Series Tractors

Figure 64

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Adjusting Side-to-Side Level

All mower attachments for the 5xi series tractors

should be level side-to-side within about 3/16 inch

(4.76mm). However the adjustment point for the

60-inch (152.4cm) mower is different than the other

models.

44-, 48-, 52-inch (111.7, 121.9, 132.0cm) Mowers

Equalize side-to-side cut by adjusting the two carriage

bolts on the gage wheel shaft on the back of the mower

(Figure 65).

Figure 65

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