Hydraulic Pumps - Toro 74251 Operator's Manual

Rotating shaft and fan can cause personal
injury.
• Do not operate the machine without the
covers in place.
• Keep fingers, hands and clothing clear of
rotating fan and drive shaft.
• Shut off the engine and remove
the ignition key before performing
maintenance.
Swallowing engine coolant can cause
poisoning.
• Do not swallow engine coolant.
• Keep out of reach from children and pets.
Checking the Radiator Coolant
Check the cooling system level daily.
Check the cooling system hoses every 100 hours.
Fluid Type: 50/50 mix of extended life
antifreeze/Dex-Cool® and water
Cooling System Capacity: 156 ounces (4.6 l)
Note: Do not open the radiator cap. Doing this
may induce air into the cooling system.
1. Position the machine on a level surface, stop
the engine, and set the parking brake.
2. Unlatch the seat and tilt the seat up.
3. With the engine cool, check the overflow bottle
level. The fluid needs to be up to the bump on
the outside of the overflow bottle (Figure 51).
4. If the coolant level is low, add a 50/50 mix of
extended life antifreeze/Dex-Cool® and water
to the overflow bottle (Figure 51).
5. Add the 50/50 coolant mix to the overflow
bottle and fill it to the indicator line on the
bottle (Figure 51).
Figure 51
1. Antifreeze overow bottle
Cleaning the Cooling System and

Hydraulic Pumps

Before each use, check and remove any build-up
of grass, dirt or other debris from the radiator
screen and hydraulic pumps with compressed air
(Figure 51).
1. Disengage the PTO, move the motion control
levers to the neutral locked position and set
the parking brake.
2. Stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
Note: Before starting the engine, clean grass
from the pump drive belt compartment. Check
more often in dry conditions.
3. Unlatch the seat, tilt the seat up and raise the
rubber flap above the drive belt compartment.
4. Remove debris from the drive belt
compartment and hydraulic pumps.
5. Remove debris from the screen on the engine
cover.
6. Tilt the engine cover forward.
42
2. Indicator line on side of
overow bottle