Exmark 312, 000 & higher manual Specifications, Model Numbers, Systems

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: 1550 RPM

Tank Type and Refilling

Important: The LPG tank used on this mower is a special tank with internal baffles designed for this application.

•Vertical Tank Specifications:

–Tank Material: Steel

–Capacity: 20 lb

–Disconnect Coupling: LH ACME Threaded

–Fuel Withdrawal: Vapor

–Fuel Shut-Off Valve: Rotate clockwise to close.

•Type of Fuel: HD5 grade propane

•New tanks must be properly filled by trained and qualified personnel.

•Only use tanks recommended by Exmark. Failure to do so will result in improper operation of the fuel system.

CAUTION

Under no circumstances should propane tanks filled beyond 80% capacity be used in service.

The use of overfilled tanks may result in the release of highly concentrated and extremely flammable liquid propane. Refer to the Safety section.

Note: Use of a “forklift” type liquid withdrawal tank will result in icing or freezing of the LPG regulator and prevent the engine from operating. This may also result in permanent fuel system damage and the release of highly flammable propane liquid or vapor.

Electrical System

•Charging System: Flywheel Alternator

•Charging Capacity: 15 amps

•Battery Type: BCI Group U1 235 amps 0°F

•Battery Voltage: 12 Volt

•Polarity: Negative Ground

•Fuses: Two blade type, 20 amp to charging circuit; 20 amp to electric clutch

Safety Interlock System:

•Operator must have OPC (Operator Presence Control) levers held in contact with handle grips, speed control lever in neutral, and PTO disengaged to start engine. Release of OPC levers will cause the engine to stop if speed control lever is not in neutral and/or PTO is engaged.

•Park brake must be disengaged to move speed control out of neutral or engine will kill.

Operator Controls

Steering Control: Fingertip drive control levers provide independent speed control, braking and neutral to each drive wheel for moving forward or reverse, stopping, and power turning.

Transmission

Twin Hydrostatic Drive

•Two Hydro Gear variable displacement high efficiency pumps independently coupled to two high efficiency Parker/Ross wheel drive motors.