Specifications; Systems - Exmark NAVIGATOR Operator's Manual

Specifications

Systems

Engine
• Engine Specifications: See your Engine Owner's
Manual
• Engine Oil Type: Exmark 4–Cycle Premium
Engine Oil
• RPM: Full Speed: 3600 ±50 RPM (No Load) Idle:
1500 RPM
Fuel System
• Capacity: 7.5 gal. (28 L)
• Fuel Recommendations:
– For best results, use only clean, fresh, unleaded
gasoline with an octane rating of 87 or higher
((R+M)/2 rating method).
– Oxygenated fuel with up to 10% ethanol or
15% MTBE by volume is acceptable.
– Do Not use ethanol blends of gasoline (such
as E15 or E85) with more than 10% ethanol
by volume. Performance problems and/or
engine damage may result which may not be
covered under warranty.
– Do Not use gasoline containing methanol.
– Do Not store fuel either in the fuel tank or
fuel containers over the winter unless a fuel
stabilizer is used.
– Do Not add oil to gasoline.
• Fuel Filter:
All units: Kohler P/N 24 050 13
Electrical System
• Charging System: Flywheel Alternator
• Charging Capacity:
– All units except Kohler EFI: 15 amps
– Kohler EFI: 20 amps
• Battery Type: BCI Group U1
• Battery Voltage: 12 Volt
• Polarity: Negative Ground
• Fuses: Two 25 amp and one 15 amp blade type
Safety Interlock System
• LCD indicators appear for the PTO, park brake,
drive levers, and operator presence in the message
display on the RH control panel.
• PTO must be disengaged, brake engaged, and
speed control lever in neutral to start engine. (It
is not necessary for the operator to be in the seat
to start the engine.)
• Operator must be in seat when PTO is engaged,
brake is disengaged, or speed control lever is
moved out of neutral or engine will stop.
• Engine will stop if the hopper is raised while the
PTO is engaged.
Operator Controls
• Steering and Motion Control:
– Speed Control lever, located on RH console,
sets maximum forward speed.
– Steering levers, centered in front of the seat,
control the speed and direction of travel of
the respective drive wheels.
– Moving speed control lever rearward to the
neutral position places the drive system in
neutral.
Note: The unit may be moved in reverse
while the speed control is in the neutral
position by pulling back on the steering levers.
• PTO Engagement Lever: Engages drive to PTO
(mower deck) and blower.
• Parking Brake Lever: Pull back to engage parking
brake.
Seat
• Type: Standard seat with high back, foam padded
cushions.
• Mounting: Seat is hinged to tilt up for access to
hydraulic pumps and other components. The seat
is held in the tilted position with a link.
• Armrests: None.
• Seat Safety Switch: Integral to the seat frame,
serviceable. Time delay module incorporated
into the Safety Interlock System eliminates rough
ground cut-outs.
Hydrostatic Ground Drive System
• Hydrostatic Pumps: Two Hydro Gear variable
displacement piston pumps.
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Specifications