Exmark 4500-352 Lawn Mower User Manual


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Maintenance
Periodic Maintenance
Check Engine Oil Level
Service Interval: Before each use or daily
1. Stop engine and wait for all moving parts to stop.
Make sure unit is on a level surface.
2. Check with engine cold.
3. Clean area around dipstick. Remove dipstick and
wipe oil off. Reinsert the dipstick and push it all
the way down into the tube. Do Not screw into
place. Remove the dipstick and read the oil level.
4. If the oil level is low, wipe off the area around the
oil ll cap, remove cap and ll to the “FULL”
mark on the dipstick. Use oil as specied in
Engine Owner’s Manual. Do Not overll.
Important: Do Not operate the engine with the
oil level below the “LOW” (or “ADD”) mark on
the dipstick, or over the “FULL” mark.
Check Mower Blades
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lift deck and secure in raised position as stated
in the Clean Grass Build-Up Under Deck
procedure.
3. Inspect blades and sharpen or replace as required.
4. Re-install the blades (if they were removed) and
torque blade bolts to 75-80 ft-lb (102-109 N-m).
Be sure the spring disc washer cone is installed
toward the bolt head (see Figure 8).
Figure 8
1. Spring disc washer
(cone towards bolt head)
2. Blade bolt torque to
75-80 ft-lb (102-109
N-m).
Replacing the Discharge
Deector
Service Interval: As required
DANGER
An uncovered discharge opening could allow
the lawn mower to throw objects in the
operator’s or bystander’s direction and result
in serious injury. Also, contact with the blade
could occur.
Never operate the lawn mower unless you
install a mulch plate, discharge deector, or
grass collection system.
1. To remove a damaged or worn discharge
deector, lift the leg of the spring with the loop
out of the notch in the discharge deector and
slide the rod out of the discharge deector
brackets, and discharge deector.
2. To install new discharge deector, orient the
spring on the rod as shown in Figure 9. Slide the
rod through the front discharge deector bracket,
discharge deector, and rear deector bracket.
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