Toro 20351 Quality Guide - Page 33

Service Dealer°s Guide to Great Quality of Cut, inch 106.6, 121.9, 132

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Checking and Adjusting the Blade Level 1. Raise attachment lift lever to release pressure on the gage wheels. Remove the 7/16 inch (10.9mm) hairpin cotter from the trunnion (Figure 54). 2. Rotate the bolt on front adjustable link to change front-to-rear pitch. Turn the bolt clockwise to shorten the link and raise the front of the mower. Turn counterclockwise to lower. 3. When the front-to-rear pitch is correct, tighten the jam nut. Recheck side-to-side leveling. 1. Trunnion Figure 54 260_38_3.TIF 2. Hairpin cotter 2. Rotate trunnion to adjust side-to-side level adjustment. 3. After adjusting, secure trunnion with hairpin cotter and lower attachment lift. Check side-to-side level. Adjusting Front-to-Rear Pitch The front-to-rear pitch should be from 0-1/8 inch (0- 3.1mm) lower in front. To adjust the front-to-rear pitch, proceed as follows: 1. The adjustment link is on the right front corner of the mower. Loosen the jam nut on the link (Figure 55). 42-, 48-, 52-inch (106.6, 121.9, 132.0cm) Mowers The side-to-level and front-to-rear pitch adjustments for all these models are the same. However, as you raise the cutting height, the point at which the rear gage wheels comes off the ground is different for the 52-inch (132.0cm) mower. There is an adjustment process when the mower is suspended. However, if the gage wheels are on the ground, there is no side-to-side adjustment. If the mower is not level side-to-side with the gage wheels on the ground, look for a worn or damaged wheel or bent gage wheel support (the bar that connects the gage wheels). With the deck suspended, the height of cut range for the 42-inch and 48-inch (106.6cm and 121.9cm) mowers is 2-3/4-4 inches (69.8-101.6mm). For the 52-inch (132.0cm) mower, it is 3-4 inches (76-102mm). The gage wheels on the 42-inch and 48-inch (106.6cm and 121.9cm) mowers are on the ground in the height of cut ranges 3/4-2-3/4 inch (19.0-69.8mm). The gage wheels on the 52-inch (132.0cm) mower are on the ground in the height of cut ranges 1-1/2-3 inches (38-76mm). 1. Adjustable link 2. Jam nut Figure 55 3. Bolt 260_38_4.TIF Service Dealer's Guide to Great Quality of Cut 4 - 17

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Service Dealer°s Guide to Great Quality of Cut
4 - 17
Checking and Adjusting the Blade Level
1.
Raise attachment lift lever to release pressure on
the gage wheels. Remove the 7/16 inch (10.9mm)
hairpin cotter from the trunnion (Figure 54).
Figure 54
260_38_3.TIF
2.
Rotate trunnion to adjust side-to-side level
adjustment.
3.
After adjusting, secure trunnion with hairpin cotter
and lower attachment lift. Check side-to-side level.
Adjusting Front-to-Rear Pitch
The front-to-rear pitch should be from 0-1/8 inch
(0- 3.1mm) lower in front. To adjust the front-to-rear
pitch, proceed as follows:
1.
The adjustment link is on the right front corner of
the mower. Loosen the jam nut on the link
(Figure 55).
Figure 55
260_38_4.TIF
2.
Rotate the bolt on front adjustable link to change
front-to-rear pitch. Turn the bolt clockwise to
shorten the link and raise the front of the mower.
Turn counterclockwise to lower.
3.
When the front-to-rear pitch is correct, tighten the
jam nut. Recheck side-to-side leveling.
42-, 48-, 52-inch (106.6, 121.9, 132.0cm) Mowers
The side-to-level and front-to-rear pitch adjustments for
all these models are the same. However, as you raise
the cutting height, the point at which the rear gage
wheels comes off the ground is different for the 52-inch
(132.0cm) mower. There is an adjustment process
when the mower is suspended. However, if the gage
wheels are on the ground, there is no side-to-side
adjustment. If the mower is not level side-to-side with
the gage wheels on the ground, look for a worn or
damaged wheel or bent gage wheel support (the bar
that connects the gage wheels).
With the deck suspended, the height of cut range for
the 42-inch and 48-inch (106.6cm and 121.9cm)
mowers is 2-3/4´4 inches (69.8´101.6mm). For the
52-inch (132.0cm) mower, it is 3´4 inches
(76-102mm).
The gage wheels on the 42-inch and 48-inch (106.6cm
and 121.9cm) mowers are on the ground in the height
of cut ranges 3/4´2-3/4 inch (19.0´69.8mm). The gage
wheels on the 52-inch (132.0cm) mower are on the
ground in the height of cut ranges 1-1/2´3 inches
(38-76mm).
1.
Trunnion
2.
Hairpin cotter
1.
Adjustable link
2.
Jam nut
3.
Bolt