Toro 30411 - Blade Maintenance; Checking for a Bent Blade; Removing and Installing the Cutter Blade(S)

Figure 89
1. Lift arm pin nut (2)
Figure 90
1. Wing deck cylinder pin nut (2)
Blade Maintenance
Checking for a Bent Blade
1. P osition the mac hine on a lev el surface . Raise
the cutting unit, eng ag e the parking brak e ,
put the traction pedal in neutral, put the PTO
lev er in the Off position, stop the engine , and
remo v e the ignition k ey . Bloc k the cutting unit
to prev ent it from accidentally falling .
2. R otate the blade until the ends face forw ard
and bac kw ard ( Figure 91 ). Measure from the
inside of the cutting unit to the cutting edg e
at the front of the blade . R emember this
dimension.
Figure 91
3. R otate the opposite end of the blade forw ard.
Measure betw een the cutting unit and cutting
edg e of the blade at the same position as in
ste p 2 . T he difference betw een the dimensions
obtained in ste ps 2 and 3 m ust not ex ceed 1/8
inc h (3 mm). If the dimension ex ceeds 1/8
inc h (3 mm), the blade is bent and m ust be
re placed; refer to R emo ving and Installing the
Cutter Blade .
Removing and Installing the
Cutter Blade(s)
T he blade m ust be re placed if a solid object is
hit, the blade is out of balance , or if the blade is
bent. Alw a ys use g en uine T oro re placement blades
to be sure of safety and optim um perfor mance .
Nev er use re placement blades made b y other
man ufacturers because they could be dang erous .
1. Raise the cutting unit to the highest position,
eng ag e the parking brak e , stop the engine , and
remo v e the ignition k ey . Bloc k the cutting unit
to prev ent it from accidentally falling .
2. Grasp the end of the blade using a rag or
thic kly padded glo v e . R emo v e the blade bolt,
anti-scalp cup , and blade from the spindle shaft
( Figure 92 ).
3. Install the blade , anti-scalp cup , and blade bolt.
Tighten the blade bolt to 85 to 110 ft-lb (115
to 149 N ⋅ m).
Important: T he cur v ed par t of the blade
must be pointing to w ard the inside of the
cutting unit to ensur e pr oper cutting .
Note: After striking a foreign object, tor que
all the spindle pulley n uts to 130 to 150 ft-lb
(176 to 203 N ⋅ m).
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