Exmark 312, 000 & higher manual Operation, Controls

Page 19

Operation

Operation

Note: Determine the left and right sides of the machine from the normal operating position.

Controls

Operator Presence Control (OPC) Levers

Located on the upper handle assembly directly above the handle grips.

When these levers are depressed, the OPC system senses that the operator is in the normal operator's position. When the levers are released, the OPC system senses that the operator has moved from the normal operating position and will kill the engine if either the speed control lever is not in the neutral position or the PTO is engaged.

Figure 4

1.

OPC Lever

3.

Neutral Lock Latch

2.

Rotate neutral lock latch

4.

Drive Lever in neutral

 

downward for neutral

 

position

 

lock position

 

 

 

 

 

 

Drive Levers

Located on each side of the upper handle assembly ahead of and below the handle grips.

These levers individually control the speed and direction of each drive wheel. When the speed control lever is moved out of the neutral position and the neutral lock latches are moved into the drive position,

as shown in Figure 4, and the drive levers are released, the drive wheels are engaged in the forward direction.

Squeezing the left hand and/or right hand lever causes the left hand and/or right hand drive wheel respectively to slow down, stop, or reverse, depending on how far each drive lever is “squeezed”. Squeezing the drive levers beyond the neutral position causes the drive wheels to engage in the reverse direction regardless of the position of the neutral lock latches and the speed control lever.

Neutral Lock Latches

Located on the upper handle assembly on the ends of the handle grips.

These latches allow the operator to lock the drive levers in a “neutral” position where the drive wheels are not engaged in either a forward or reverse direction.

Throttle Control

Located on the control console’s right side.

The throttle is used to control engine speed. Moving the throttle control forward will increase engine speed and moving it to the rear will decrease engine speed. Moving the throttle forward into the detent is full position.

Speed Control Lever

Located in middle of control console.

The speed control lever controls the maximum forward speed and is infinitely variable from neutral 0–6.2 mph (10.0 km/hr).

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

Park Brake Lever

Located on the left side of the unit above the hydraulic tank.

The brake lever engages the park brake on the drive wheels.

Pull the lever up and rearward to engage the brake.

Push the lever forward and down to disengage the brake.

When parking on a steep slope, the wheels must be chocked or blocked in addition to the brake being

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Image 19 Contents
Turf Tracer Series LP All Rights Reserved Introduction Contents Training SafetySafety Alert Symbol Safe Operating PracticesSafety With each tank change InspectionWeekly OperationTank Requalification Slope Operation Maintenance and StorageSafety Safety Safety and Instructional Decals 553049 98-5954 103-1798 103-1976 103-2076 103-2103 103-2242 103-2243 103-4935 109-3148 109-9870 109-9875 116-0404 117-2718 109-9906 Model Numbers SpecificationsSystems Dimensions Torque Requirements Product OverviewControls OperationPre-Start Disengaging the PTO Operating InstructionsOpen the Fuel Valve Starting the EngineDrive Lever/Neutral Lock Latch Operation Driving the MachineDriving Forward Driving in Reverse Adjusting the Cutting HeightTransporting Adjusting the Anti-Scalp RollersTransporting a Unit Operation Recommended Maintenance Schedules MaintenanceProposition 65 Warning Check Battery ChargeRecommended Jump Starting Procedure Check Engine Oil LevelCheck Mower Blades Do Not jump start a weak battery if these conditions existReplacing the Discharge Deflector Service Pre-Cleaner Element and Air Cleaner Check Safety Interlock SystemCheck for Loose Hardware Check Condition Of Belts Change Engine OilCheck Hydraulic Oil Level Check Tire PressuresChange LPG Tank Check LPG TankCheck LPG Fuel Delivery System Check Spark PlugsLevel Change Hydraulic System FilterHydraulic System Air Purge Mobil HTS Grease Or Food-Grade Anti-seize Wheel Hub-Slotted Nut Torque SpecificationInspect PTO Clutching Belt Tension Thread Locking AdhesivesDeck Leveling Park Brake AdjustmentHydro Drive Linkage Adjustment Dielectric GreaseAdjust Hydro Control Linkages Adjust Neutral Control LinkagesNeed to be adjusted Drive Lever Linkage AdjustmentLPG Regulator Tracking AdjustmentHydro Pump Spring Tension Setting PTO Safety SwitchClean Grass Build-Up Under Deck Clean Engine and Exhaust System AreaRemove Engine Shrouds and Clean Cooling Fins Clean Debris From MachineMaintenance Problem Possible Cause Corrective Action TroubleshootingSee Check Spark Plug section Troubleshooting Electrical Diagram SchematicsHydraulic Diagram Exmark Commercial Turf Equipment Page Date Description of Work Done Service Done By Service RecordPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options
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