Toro Lawn-Boy Quality of Cut Manual, 2002

Checking and Adjusting the Blade Level
Adjusting Front-to-Rear Pitch
the same distance from the blade to the ground
(Figure 74).
The mower blade should be between 1/16- 5/16 inch
(1.6-7.9mm) lower in front than in the rear. If
adjustment is necessary, proceed as follows:
1.
To adjust the front-to-rear blade pitch, remove the
hairpin cotter from the front trunnion yokes and
loosen the jam nuts (Figure 73).
Figure 74
trclevel.TIF
1.
Measure here
An alternate way to check this is to remove the mower
housing and turn it over. Remove the blades and lay a
straight edge on two blade saddles (Figure 75). It
should lie flat. If not, either the spindle or the housing
where the spindle mounts may be bent.
Figure 73
3.
Z_F2R.TIF
1.
2.
Front trunnion
Hairpin cotter
Jam nut
2.
3.
Rotate the yokes on the rods to change the
adjustment. To raise the front of the mower,
tighten the yokes (shorten the rods). To lower the
front of the mower, loosen the yokes (lengthen the
rods).
After adjusting both trunnion rod yokes evenly,
secure the yokes with the hairpin cotters. Check
the front-to-rear pitch again. Continue adjusting
the yokes until the front blade tip is within
specification.
Figure 75
altbltrk.TIF
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.
4.
5.
6.
When the front-to-rear blade pitch is correct,
tighten the jam nuts.
Recheck the side-to-side leveling and correct if
necessary.
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
If the mower required substantial changes, check
the anti-scalp rollers and re adjust if necessary.
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.
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
Service Dealer’s Guide to Great Quality of Cut
4 - 23
Product Specification
CategoriesLawn Mower Manual, Toro Lawn Mower Manual
Model Year2002
Download File
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- 57 pages
Document TypeWorkshop Manual
LanguageEnglish
Product NameToro Lawnmower
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower
Product TypeWalk Behind Mower
Engine ManufacturerBriggs & Stratton
Engine Motor Type2 Cycle, 2 Cycle CARB1, 2 Cycle EPA1, 2 Cycle EPA2, 4 Cycle
Transmission TypeHand Push
Document File TypePDF
Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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