Toro 74433 - Drive System Maintenance; Checking the Tire Pressure; Mower Maintenance; Servicing the Cutting Blades

1. Raise the seat to g ain access to the fuse holder
( Figure 44 ).
2. T o re place a fuse , pull out on the fuse to
remo v e it ( Figure 44 ).
Figure 44
1. Relays 5. Fuse block
2. Alarm
6. Main-30 amp
3. Positive battery cable 7. Charge circuit-25 amp
4. Battery
8. Open slots
Drive System
Maintenance
Checking the Tire Pressure
Maintain the air pressure in the front and rear
tires as specified. Unev en tire pressure can cause
unev en cut. Chec k the pressure at the v alv e
stem after ev er y 50 operating hours or monthly ,
whic hev er occurs first ( Figure 45 ). Chec k the
tires when they are cold to g et the most accurate
pressure reading .
R ear Tires: 13 psi (90 kP a)
F ront Tires (castor wheels): 35 psi (139 kP a)
Figure 45
1. Valve stem
Mower Maintenance
Servicing the Cutting Blades
Maintain shar p blades throughout the cutting
season because shar p blades cut cleanly without
tearing or shredding the g rass blades . T earing and
shredding tur ns g rass bro wn at the edg es , whic h
slo ws g ro wth and increases the c hance of disease .
Chec k the cutter blades daily for shar pness , and
for any w ear or damag e . File do wn any nic ks
and shar pen the blades as necessar y . If a blade is
damag ed or w or n, re place it immediately with a
g en uine T oro re placement blade . F or con v enient
shar pening and re placement, y ou ma y w ant to
k ee p extra blades on hand.
A w or n or dama ged blade can br eak, and a
piece of the blade could be thr o wn into the
operator’ s or bystander’ s ar ea, r esulting in
serious per sonal injur y or death.
• Inspect the blade periodicall y f or w ear
or dama ge.
• R eplace a w or n or dama ged blade.
Before Inspecting or Servicing the
Blades
P ark the mac hine on a lev el surface , diseng ag e the
blade control switc h, and mo v e the motion control
lev ers to the brak e position. Stop the engine ,
remo v e the k ey , and disconnect the spark plug
wire(s) from the spark plug(s).
Inspecting the Blades
1. Inspect the cutting edg es ( Figure 46 ). If the
edg es are not shar p or ha v e nic ks , remo v e and
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