Exmark Turf Tracer 4500-528 - Manual (Page 34)

Maintenance
2. Check the drive tire pressures and tire
circumferences as stated in Check the Tire
Pressures section in Maintenance.
3. Run the unit and observe the tracking on a level,
smooth, hard surface such as concrete or asphalt.
4. If the unit tracks to one side or the other, turn the
quick track knob. Turn the knob right to “steer”
right, turn the knob left to “steer” left.
Hydro Pump Spring Tension
Setting
1. For medium or heavy duty drive conditions such
as operation with a sulky on steep slopes, a higher
spring force may be required on the hydro pump
control arms to prevent the drive system from
stalling.
2. For a heavier drive setting, relocate the spring
anchor link as shown in Figure 13. The spring
anchor links are located under the engine deck on
the left and right hand sides.
Note: In “medium” or “heavy duty” positions,
the drive lever forces at the upper handle will also
be increased.
Figure 19
1. Heavy duty 3. Standard
2. Medium duty 4. Retaining bolt
Electric Clutch Adjustment
No adjustment necessary.
Cleaning
Clean Grass Build-Up Under
Deck
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Raise deck to the transport (maximum cutting
height) position. Lift the front of unit and support
unit using jack stands or equivalent support.
3. Clean out any grass build-up from underside of
deck and in discharge chute.
Waste Disposal
Motor Oil Disposal
Engine oil and hydraulic oil are both pollutants to
the environment. Dispose of used oil at a certified
recycling center or according to your state and local
regulations.
Battery Disposal
DANGER
Battery electrolyte contains sulfuric acid, which
is poisonous and can cause severe burns.
Swallowing electrolyte can be fatal or if it touches
skin can cause severe burns.
• Wear safety glasses to shield eyes, and rubber
gloves to protect skin and clothing when
handling electrolyte.
• Do Not swallow electrolyte.
• In the event of an accident, flush with water
and call a doctor immediately.
Federal law states that batteries should not be placed
in the garbage. Management and disposal practices
must be within relevant federal, state, or local laws.
If a battery is being replaced or if the unit containing
the battery is no longer operating and is being
scrapped, take the battery to a local certified recycling
center. If no local recycling is available return the
battery to any certified battery reseller.
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