Exmark NAV20KC User Manual download pdf (Page 16)

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2.4.6 Safety Interlock System:

PTO must be disengaged, brake engaged, and speed control lever in neutral

position 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 in the following conditions:

• If the speed control lever is moved from neutral position while brake is engaged.

• If the PTO is engaged while the hopper is tilted up.

2.4.7 Tilt Switch: Shuts off the engine when the unit is tilted more than 60° from horizontal.

2.5 OPERATOR CONTROLS

2.5.1 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.

2.5.2 PTO Engagement Lever

: Engages drive to PTO (mower deck) and blower.

2.5.3 Parking Brake Lever

: Pull back to engage parking brake.

2.6 SEAT

2.6.1 Type: Standard seat with high back, foam padded (internal suspension).

2.6.2 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.

2.6.3 Seat Safety Switch: Incorporated into the Safety Interlock System. Time delay

seat switch eliminates rough ground cut-outs.

2.6.4 Armrest: None

2.7 HYDROSTATIC GROUND DRIVE SYSTEM

2.7.1 Hydrostatic Pumps: Two Hydro Gear PJ 12 cc variable displacement piston pumps.

2.7.2 Wheel Motors: Hydro Gear planetary reduction motors.

2.7.3 Hydraulic Oil Type: Use Mobil 1 15W-50 Synthetic Motor Oil.

2.7.4 Hydraulic Oil Capacity: 4.0 qt. (3.8 L.)

2.7.5 Hydraulic Filter: Replaceable cartridge type.

P/N 109-0071: 25 microns, 10 psi bypass (Summer use above 32° F (0°C))

P/N 1-523541: 40 microns, 18 psi bypass (Winter use below 32° F (0°C))

2.7.6 Speeds: 0-7.0 mph (11.3 Km/hr) forward

0-5.5.mph (8.6 km/hr) reverse

2.7.7 Drive wheel release valves allow machine to be moved when engine is not running.

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Exmark NAV20KC User Manual Page 16