Drive System Maintenance; Checking The Tire Pressure; Mower Maintenance; Servicing The Cutting Blades - Toro TimeCutter HD ZX4800 Operator's Manual
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- Operator's manual (56 pages) ,
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Drive System
Maintenance
Checking the Tire Pressure
Service Interval: Every 25 hours—Check tire pressure.
Maintain the air pressure in the front and rear tires as
specified. Uneven tire pressure can cause uneven cut. Check
the pressure at the valve stem
when they are cold to get the most accurate pressure reading.
Refer to the maximum pressure suggested by the tire
manufacturer on the sidewall of the caster wheel tires.
Inflate the front caster wheel tires to 103 kPa (15 psi).
Inflate the rear drive wheel tires to 90 kPa (13 psi).
Figure 49
1. Valve stem
(Figure
49). Check the tires
Mower Maintenance
Servicing the Cutting Blades
To ensure a superior quality of cut, keep the blades sharp. For
convenient sharpening and replacement, keep extra blades
on hand.
Blade Safety
A worn or damaged blade can break, and a piece of the blade
could be thrown toward you or bystanders, resulting in serious
personal injury or death. Trying to repair a damaged blade
may result in discontinued safety certification of the product.
•
Inspect the blades periodically for wear or damage.
•
Use care when checking the blades. Wrap the blades or
wear gloves, and use caution when servicing the blades.
Only replace or sharpen the blades; never straighten or
weld them.
•
On multi-bladed machines, take care as rotating 1 blade
can cause other blades to rotate.
Before Inspecting or Servicing the
Blades
1. Park the machine on a level surface, disengage the
blade-control switch (PTO), and engage the parking
g000554
brake.
2. Shut off the engine, remove the key, and disconnect the
spark-plug wires from the spark plugs.
Inspecting the Blades
Service Interval: Before each use or daily
1. Inspect the cutting edges
2. If the edges are not sharp or have nicks, remove and
sharpen the blade; refer to
39).
3. Inspect the blades, especially in the curved area.
4. If you notice any cracks, wear, or a slot forming in this
area, immediately install a new blade
1. Cutting edge
2. Curved area
37
(Figure
50).
Sharpening the Blades (page
(Figure
Figure 50
3. Wear/slot forming
4. Crack
50).
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