GaugesGauges

When should I check the gauges?When should I check the gauges? At start upAt start up Regular intervals during operationRegular intervals during operation When changes occur in normal sounds of operationWhen changes occur in normal sounds of operation

http://web.utk.edu/~tprather/FoothillsTractorClub/Pictures/2000_HomecomingShow/Oliver_Super77_dash.jpg

InstrumentsInstruments

Common instruments used:Common instruments used: Engine Speed Indicator (Tachometer)Engine Speed Indicator (Tachometer) Oil Pressure IndicatorOil Pressure Indicator Engine Temperature IndicatorEngine Temperature Indicator Fuel GaugeFuel Gauge Air Filter Condition IndicatorAir Filter Condition Indicator Transmission Temperature IndicatorTransmission Temperature Indicator Hydraulic System Oil Level IndicatorHydraulic System Oil Level Indicator Hour MeterHour Meter Charge IndicatorCharge Indicator

http://product-image.tradeindia.com/00306979/b/Hour-Meter-Electronics.jpg

Tractor ControlsTractor Controls

Color coding for controls:Color coding for controls: Stop Engine—Stop Engine—REDRED Ground Motion—Ground Motion—ORANGEORANGE Power Engagement—Power Engagement—YELLOWYELLOW Positioning and Adjusting—Positioning and Adjusting—BLACKBLACK

General Rules for Moving ControlsGeneral Rules for Moving Controls

When using a foot brake, push it in; When When using a foot brake, push it in; When using a hand brake, pull up.using a hand brake, pull up.

A foot clutch is disengaged when it is pushed A foot clutch is disengaged when it is pushed in and engaged when let upin and engaged when let up

Hand operated engine controls (throttles) Hand operated engine controls (throttles) increase engine speed when moved upward or increase engine speed when moved upward or forward. Foot operated throttles increase speed forward. Foot operated throttles increase speed when pushed forward or downward by toe when pushed forward or downward by toe pressurepressure

General Rules for Moving ControlsGeneral Rules for Moving Controls Direction of tractor is controlled by specific forward and Direction of tractor is controlled by specific forward and

reverse gears or by directional controls. If a hand reverse gears or by directional controls. If a hand operated direction control is used, the tractor moves in the operated direction control is used, the tractor moves in the same direction as the control is moved.same direction as the control is moved.

The engine stop control is by key and by mechanical The engine stop control is by key and by mechanical push-pull control. A key is always turned push-pull control. A key is always turned counterclockwise to stop an engine. A push-pull lever is counterclockwise to stop an engine. A push-pull lever is always pulled out to stop the engine.always pulled out to stop the engine.

Controls that lift or lower attachments or implements are Controls that lift or lower attachments or implements are generally pushed forward, down, or away for lowering, generally pushed forward, down, or away for lowering, and pulled back, up, or toward you for lifting.and pulled back, up, or toward you for lifting.

A PTO is usually engaged when pulled up or pushed A PTO is usually engaged when pulled up or pushed forward.forward.

RED—Stop EngineRED—Stop Engine

Gasoline Engine—Gasoline Engine—Red Red letters on key switchletters on key switch

Diesel Engine—Diesel Engine—Red Red fuel shut-off switchfuel shut-off switch

*Most diesel engines are shut off with the fuel *Most diesel engines are shut off with the fuel shut-off switch, not by the ignition key*shut-off switch, not by the ignition key*

RED—Stop EngineRED—Stop Engine

Rules for Rules for REDRED:: Be within 6 inches of the key switchBe within 6 inches of the key switch Be pulled to stopBe pulled to stop Be labeled “Pull to Stop Engine”Be labeled “Pull to Stop Engine” Remain in the stop position Remain in the stop position

without continued effortwithout continued effort

http://abe.sdstate.edu/hosta/index_files/Task%20Sheets/4.5.1%20Engine%20Stop%20Controls.pdf

ORANGE—Ground MotionORANGE—Ground Motion

Ground Motion Controls Include:Ground Motion Controls Include: Engine SpeedEngine Speed Transmission ControlsTransmission Controls Parking Brake or Park-LockParking Brake or Park-Lock Independent Emergency BrakesIndependent Emergency Brakes Differential LockDifferential Lock

ORANGE—Ground MotionORANGE—Ground Motion

Rules for Rules for ORANGEORANGE:: Engine speed controls are operated with right hand Engine speed controls are operated with right hand

and/or right footand/or right foot Transmission gearshift patterns must be clearly and Transmission gearshift patterns must be clearly and

permanently identifiedpermanently identified Differential lock controls are engaged with a forward or Differential lock controls are engaged with a forward or

downward motiondownward motion Brake locks may be a mechanical lock on the drive train Brake locks may be a mechanical lock on the drive train

versus a lock on the axle.versus a lock on the axle.

http://abe.sdstate.edu/hosta/index_files/Task%20Sheets/4.5.2%20Ground%20Motion%20Controls.pdf

YELLOW—Power EngagementYELLOW—Power Engagement

Power Engagement – Type Controls Include:Power Engagement – Type Controls Include: PTOPTO CutterheadsCutterheads Feed RollsFeed Rolls ElevatorsElevators WinchesWinches Unloading AugersUnloading Augers

YELLOW—Power EngagementYELLOW—Power Engagement

Rules for Rules for YELLOWYELLOW:: PTO controls designed to move to the rear or downward PTO controls designed to move to the rear or downward

to disengage the PTOto disengage the PTO Horizontal-mounted rocker switches use the right side to Horizontal-mounted rocker switches use the right side to

begin normal machine operationbegin normal machine operation Vertical-mounted rocker switches use the upper side of Vertical-mounted rocker switches use the upper side of

the switch to begin normal machine operationthe switch to begin normal machine operation

http://abe.sdstate.edu/hosta/index_files/Task%20Sheets/4.5.3%20Power%20Engagement%20Controls.pdf

BLACK—Positioning and AdjustingBLACK—Positioning and Adjusting

Positioning and Adjusting Controls Include:Positioning and Adjusting Controls Include: Remote Hydraulic ControlRemote Hydraulic Control Implement HitchesImplement Hitches Unloading Components on Self-Propelled Unloading Components on Self-Propelled

EquipmentEquipment Engine Chokes and Steering Column PositionEngine Chokes and Steering Column Position Lights, Flashers, and SignalsLights, Flashers, and Signals Cab Comforts (Fans, Radios, Etc.)Cab Comforts (Fans, Radios, Etc.)

BLACK—Positioning and AdjustingBLACK—Positioning and Adjusting Rules for Rules for BLACKBLACK::

Lift controls operated from the tractor seat must be Lift controls operated from the tractor seat must be clearly identified and are found on the right side of the clearly identified and are found on the right side of the cab.cab.

Front-end loader controls must be located on the right Front-end loader controls must be located on the right side of the operator.side of the operator.

Foot controls must be pushed forward to lower Foot controls must be pushed forward to lower equipment.equipment.

http://abe.sdstate.edu/hosta/index_files/Task%20Sheets/4.5.4%20Positioning%20and%20Adjusting%20Controls.pdf

Control Devices and FunctionsControl Devices and Functions

There are three common types of control There are three common types of control devices used on tractors:devices used on tractors: Foot Controls—PedalsFoot Controls—Pedals Hand Controls—Levers, Toggles, Switches, Hand Controls—Levers, Toggles, Switches,

Knobs, and ButtonsKnobs, and Buttons Combination Hand and Foot—Engine Throttles Combination Hand and Foot—Engine Throttles

Tractor Operation SymbolsTractor Operation Symbols