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Cooling System
Maintenance
Cleaning the Air Intake Screen
Service Interval: Before each use or daily
Remove any build-up of grass, dirt or other debris from
the cylinder and cylinder head cooling fins, air intake
screen on flywheel end, and carburetor-governor levers
and linkage. This will help insure adequate cooling and
correct engine speed and will reduce the possibility of
overheating and mechanical damage to the engine.
Brake Maintenance
Servicing the Brakes
Service Interval: Before each use or daily—Check the
brakes on both a level surface and
slope.
Always set the parking brake when you stop the machine
or leave it unattended. If the parking brake does not
hold securely, an adjustment is required.
Checking the Brakes
1. Park the machine on a level surface, disengage the
PTO.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Apply the parking brake. The wheels must lock
when you try to push the machine forward.
4. If the wheels do not lock, adjust the brakes. Refer
to Adjusting the Brakes.
5. Release the brake and press upper control bar very
lightly, approximately 1/2 inch (13 mm). The wheels
should rotate freely, if not; refer to Adjusting the
Brakes.
Adjusting the Brakes
The brake lever is on the upper control bar. If the
parking brake does not hold securely, an adjustment is
required.
Note: For the initial adjustment, adjust the wing
nut until it is 1-1/4 inches from the top of the rod
(Figure 47).
1. Park the machine on a level surface, disengage the
PTO, 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.
3. Check the brake before you adjust it; refer to
Checking the Brakes.
4. Release the parking brake; refer to Releasing the
Parking Brake in Operation (page 12).
5. To adjust the brake remove the hair pin cotter
and washer from the brake lever and trunnion
(Figure 47).
33
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