Exmark NAV20KC - Manual (Page 40)

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a) Stop engine, wait for all moving parts to stop, and remove key. Engage
parking brake.
b) Locate the brake spring and thread the two jam nuts out to the end of the
brake spring rod. See Figure 19.
c) Tighten jam nuts together at end of brake spring rod.
FIGURE 19
5. WASTE DISPOSAL
5.1 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.
5.2 BATTERY DISPOSAL
DANGER
POTENTIAL HAZARD
♦ Battery electrolyte contains sulfuric acid,
which is poisonous and can cause severe
burns.
WHAT CAN HAPPEN
♦ Swallowing electrolyte can be fatal or if it
touches skin can cause severe burns.
HOW TO AVOID THE HAZARD
♦ Wear safety glasses to shield eyes, and
rubber gloves to protect skin and clothing
when handling electrolyte.
♦ Do not swallow electrolyte.
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.
6. TROUBLE SHOOTING
6.1 MOWER PULLS LEFT OR RIGHT (W/LEVERS FULLY FORWARD).
a) Refer to Tracking Adjustment Section 3.1.3.
b) Check air pressure in drive tires; 15 psi
Semi-pneumatic casters do not require inflation.