25
4. Release the parking brake and ensure that the rear
wheels rotate freely when you push the tractor. If they
do not, turn the brake adjusting nut counterclockwise
just enough so that you can push the tractor.
5. Check the brake operation again; refer to Checking the
Brake above.
Checking the Tire Pressure
Maintain the air pressure in the front tires at 120 kPa and in
the rear tires at 100 kPa. Check the pressure at the valve
stem (Fig. 22) after every 25 operating hours or yearly,
whichever comes first. Check the tires when they are cold
to get the most accurate pressure reading.
m-1872
1
Figure 22
1. Valve stem
Greasing and Lubricating the
Tractor
Grease the tractor with a general-purpose grease after every
25 operating hours or once a year, whichever occurs first.
Grease the tractor more frequently when the operating
conditions are extremely dusty or sandy.
How to Grease the Tractor
1. Disengage the blades (PTO).
2. Set the parking brake.
3. Stop the engine and wait for all moving parts to stop.
4. Remove the ignition key.
5. Clean the grease fittings with a rag. Scrape any paint off
the front of the fittings.
6. Connect a grease gun to each fitting and pump grease
into it.
7. Wipe up any excess grease.
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