Exmark 4501-191 Rev.A Lawn Mower User Manual


 
Maintenance
Servicing the Fuses
Service Interval: As required
The electrical system is protected by fuses. It requires
no maintenance; however, if a fuse blows, check the
component/circuit for a malfunction or short.
Fuse:
Main F1-30 amp, blade-type
Charge Circuit F2-25 amp, blade-type
1. Remove the four screws securing the control
panel to the machine. Retain all fasteners
2. Lift the control pane up to access the main wiring
harness and fuse block (Figure 31).
3. To replace a fuse, pull out on the fuse to remove
it (
Figure 31).
30
25
30
25
G014921
2
1
Figure 31
1. Main-30 amp
2. Charge circuit-25 amp
4. Return the control panel to its original position.
Use the four screws removed previously to secure
the panel to the machine.
Drive System Maintenance
Checking the Tire Pressure
Service Interval: Every 25 hours/Monthly
(whichever comes rst)
Maintain the air pressure in the front and rear tires as
specied. Uneven tire pressure can cause uneven cut.
Check the pressure at the valve stem (Figure 32).
Check the tires when they are cold to get the most
accurate pressure reading.
Rear Tires: 13 psi (90 kPa)
Front Tires (caster wheels):
Ribbed: 13 psi (90 kPa)
Smooth: 20 psi (138 kPa)
Figure 32
1. Valve stem
Releasing the Electric Brake
Service Interval: As required
The electric brake can be release by manually rotating
the link arms forward. Once the electric brake is
energized the brake will reset.
To release the brake:
G015000
1
Figure 33
1. Brake link arm on the electric brake control module
1. Locate the shaft on the electric brake where the
brake link arms are connected.
2. Rotate the shaft forward to release the brake.
Checking the Hydraulic Oil
Level
Service Interval: Every 25 hours
39