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Section 7
B. CHANGING LUBRICANT
The lubricant in the cutter deck gearbox should be
changed after every 500 hours of operation or yearly,
whichever occurs first.
Place a suitable container beneath the cutter deck
1.
gearbox and locate the gearbox drain plug.
Remove the drain plug, drain the lubricant into the
2.
container and properly discard it.
Re-install the drain plug and add SAE 80W90 3.
lubricant through the check plug hole in the gearbox
until it is level with the bottom of the check plug hole.
Install the check plug and tighten securely.
COOLING SYSTEM7.12
(LIQUID-COOLED MACHINES ONLY)
WARNING
To avoid burns, always allow the engine to cool
before removing the radiator cap.
A. CHECKING COOLANT LEVEL
The coolant level should be checked before each day of
operation.
Remove the radiator cap by turning it slowly 1.
counterclockwise to the first stop and allow any
pressure to be released. Push down on the cap and
turn counterclockwise to remove.
Visually check the coolant level. The coolant level 2.
should be up to the bottom of the filler neck as
shown in Figure 7-10. Add a mixture of coolant and
soft water as needed.
- NOTE -
Refer to the coolant manufacturer's instructions for
the proper coolant mixture ratio.
Fill to Bottom of
Filler Neck
030467-13
Coolant LevelFigure 7-10.
Replace the radiator cap. Push down on the cap and 3.
turn clockwise until it stops.
- NOTE -
The cooling system should be flushed and the
coolant replaced every 500 hours of operation or
annually. See your Scag dealer for proper coolant
replacement.
B. CLEANING THE RADIATOR DEBRIS SCREEN
After each day of operation, remove and clean the radiator
debris screen.
CAUTION
To avoid personal injury, always wear safety
glasses when using compressed air.
Pull the debris screen up to remove.1.
Clean the debris screen with compressed air or a 2.
water hose.
- NOTE -
Check the radiator for excessive debris and clean
with compressed air. Never spray a hot engine
with water, use only compressed air to remove
debris.
Re-install the debris screen to the radiator.3.