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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 Brake
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 Parking Brake
Service Interval: Before each use or daily
Check the brakes on both a level surface and slope.
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. Setting the parking brake
should take a reasonable amount of force. If the
parking brake does not hold securely, an adjustment
is required. Refer to Adjusting the Parking Brake.
Note: When the brake is engaged, the brake handle
should be in the 1 o'clock position (Figure 37).
Adjusting the Brakes
If the parking brake does not hold securely, an
adjustment is required.
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 , page .
5. Loosen the top and bottom jam nuts (Figure 37).
6. To adjust the brake, remove the hair pin cotter and
clevis pin from the lower brake lever (Figure 37).
7. Rotate the brake rod in the yokes. To tighten the
brake, lengthen the rod between the yokes. To
loosen the brake, shorten the rod between the yokes
(Figure 37).
Note: The brake rod should be threaded into both
yokes the same distance.
8. Secure the yoke to lower brake lever with the hair pin
cotter and clevis pin (Figure 37).
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