PAES 302

100問 • 1年前

問題一覧

Power available at drawbar sustainable over a distance of at least 20 m

Drawbar power

Self propelled wheel vehicle having to access design to carry pool or proper agricultural implements and machines

Four-wheel tractor

External shaft, usually located at the air of the four wheel tractor that provides rotational power to implements and machine

Power takeoff or PTO shaft

It is the power measured at the PTO shaft

PTO output, power

Maximum engine power at rated engine speed

Rated power

It is a cab or frame installed on agricultural tractors to protect the operator from accidental overturning during operations

Roll over protective structures or ROPS

Combination of one upper link and two lower links each articulated to the four wheel tractor and the implement at opposite ends that connect implement to the other tractor

Three-point linkage

Movement allowing inclination of the implement measured vertically, and with one lower link horizontal, so that either lower point can be moved higher or lower than the other

Leveling adjustments

It is the connection to the transmit force to the lower links for raising and lowering

Lift rods

It is a pin, usually fitted with a spring retaining device by which an articulated connection is retained in position

Linchpin

It is the distance from the centerline of the Lynch pinhole to the shoulder of the Hitch pain

linchpin hole distance

It is a pain or clevis and pin, usually attached to the implement by which a lower link is secured

Lower hitch attachment

Articulated connection between a lower link and an implement

Lower hitch point

Ackley runs expressed as a radial dimension from the lower hitch point axis to the outside diameter of the tire, mudguard or other part of the truck door, measured in a longitudinal vertical plane with the implement, raised to the transport height, and all sideway prevented

Lower hitch point clearance

Height of the center of the lower hitch, points above the ground level when they are fully lowered, using the full extent of manual adjustment provided in the lift rods in conjunction with the movement range, and when the lower hitch point access is maintained horizontal to the ground in a traverse plane

Lower hitch point type

Distance between the shoulders of the lower hitchpins against which decides of the lower length ball joints about

Lower hitch point span

Lower linkage element fitted with an articulated connection at both ends

Lower link

Articulated connection between a lower link and the tractor

Lower link point

Component that provides the location of the upper hitch point on the implement

mast

Vertical distance between the upper hitch point in the common axis of the lower hitch points

Mast height

Vertical movement of the lower hitch points corresponding to the power, travel of the lift, excluding any adjustments in the lift rod linkage

Movement range

Pin, usually detachable and forming part of the upper link assembly by which an uplink is secured

Upper hitch attachment

Articulated connection between the upper link and the implement

Upper hitch point

Upper linkage element fitted in an articulated connection of both ends

upper link

Pin by which upper link is connected to the tractor

Upper link attachment

Articulated connection between the upper link and the tractor

Upper Link point

Total height of the lower hitch points above the ground, using the full extent of manual adjustment provided in the left rod in conjunction with the movement range with the lower hitch point axis maintained horizontal to the ground in traverse plane

Transport Height

Rigid bar at the rare of the four wheel tractor to which trail, implements and equipment or hitch

Tractor drawbar

It can be regular, non-adjustable or adjustable

Tractor draw bar

Center to center distance between two front or rare wheels

Wheel Track

Wheel track is also known as

wheel tread

ROPS stands for

Roll over protective structure

What are the classification of four-wheel tractors?

Drive system, Transmission system, Hydraulic three point linkage system, Power transmission system, Brake system

What are the types of drawbar?

Fixed Drawbar, Swinging drawbar, Link drawbar

Where should be the drawbar be situated?

In the longitudinal mid plane of the tractor

This is a type of tractor that can receive tractive power from the rear axle only

Two-Wheel Drive (2WD)

Tractors that can receive tractive power from the rear wheels, or from both rear and front wheels

four-wheel-drive (4WD) Tractor

An enclosed system of assembled years that transmits and distribute power from the engine to the different parts

Transmission system

The gear ratio is selected by disengaging. The traction clutch and sliding the year on the shaft until it meshes with a mating deer.

Sliding gear

They are mounted so that they are always in mesh with at least one of the mashing gears free to rotate on the shaft

Gears

It is used to prevent disengagement of the shifter color until the rotational speed of the color gear are nearly similar or synchronized

Resulting frictional torque

The clutch becomes engaged when the sliding ring is moved by

Shift lever

Coupled to the engine With torque converter

Automatic transmission

It serves us the immediate source of power of the operation of four wheel tractors

Engine

It is a mechanism which uses air to extract the energy from the fuel, transform it into mechanical or rotational form

Engine

Used to start or stop the four-wheel tractor

Ignition, switch or button

It’s located in front of the operator it’s clockwise rotation shall affect a right turn, and a counterclockwise rotation shall affect a left turn

Steering wheel

This aids and steering and improving the turning radius of the tractor

Brakes

Explain the function of break

most tractors are fitted with two independent brake pedals that can be locked together when, using a transport mode, they are locked together for safety purposes, and the lack of pedal should be disengage to enable the operator to step on either the left or right pedal this aids in steering and improving the turning radius of the tractor

It used to disengage the dried drain from the engine and change gears

Clutch pedal

The hand and foot throttle are used to control the engine speed

Throttle

It should always be upon operation of the tractor in the tractor in field

Hand Throttle

Can be used when driving the four-wheel tractor on a roadway, however, it should not be used in the field

foot throttle

It controls ground speed

Gear Levels

It includes a medium speed Settings, the second lever is the main gearshift lever which shifts the main gears

gear levers

Most of the tractors have headlights for working at night and indicators and stoplights for traveling on roadway

Light switches and warning lights

It may also be displayed on the dashboard to warn the operator in cases of malfunctioning and overheating

Warning, lights

Can be used as hazard lights, especially for road travels

Light indicators

It activates the tractor PTO shaft to provide rotational power for the equipment attached to the tractor like mowers rotary dealers in pumps. The PTO shaft is located behind the differential of the tractor, and between the two rare wheels.

Power, takeoff lever

This is used to engage the front axle of the four-wheel tractor to improve traction. This may work in conjunction with an indicator light when engage.

Front wheel assist, engagement lever, or button

This activates the rock shaft or lift arm to lift and lower the implement automatically in response to the draft load

Draft control lever

This lever controls the depth of penetration of a soil, engaging tool, below ground level, or the height of the clearance above the ground of other types of implements, such as the three-point linkage carry all

Position control lever

This is used to activate external hydraulic system to raise or lower jaw bar attached implements, such as blouse, trailers and buckets mounted on the front of four wheel wheel tractors

Auxiliary hydraulic control valve

This controls the speed of drop of the implement attached to the four-wheel tractor excessive speed of the drop may cause damage or injury. The speed of drop should be adjusted slow enough for safe operation.

Drop control valve knob

This locking device is a pedal normally located under or at the side of the driver seat.

Differential lock

Used to lock the differential when the chapter drive will begin to sleep and the machine bugs down. It makes both rare wheels rotate and the same time and helps forward propulsion.

Differential lock

The clutch is engaged when the driven plate is gripped firmly between the flywheel and pressure plate by the force of the pressure spring

Dry type single plate clutch

Call sis, rotary motion of the flywheel to be transmitted through driven plate to main driveshaft

Dry type single plate clutch

Applying this force on the clutch pedal causes the rod to move in the direction of the arrow, accompanying the left movement of the release bearing, so the lower end of the release lever is pushed in the same direction

Stepping force

It is an arrangement of Geers constructed and located in the transmission system that permits one driving wheel, rotate, slower, or faster than the other, and same time propels it share of the load

Differential gear

It is a device by which, as restraining force is applied to the differential years in case one of the wheels goes into a spin. This permit said the differential yoke shaft together as one unit.

Differential lock

It permits the drive wheel to run at much slower speed with a much higher torque than the earlier part of the drive

Final drive

Located at the tractor, rare commonly used to drive rotary implements

Power takeoff shaft

What is the direction of the PTO when viewed from behind the tractor?

Clockwise

The nominal PTO rated shaft speed can be realized by one or more

Speed ranges

For four-wheel-drive tractors, the ______ may be adjusted by inverting the disk, or changing the position of the disk or along the shaft

Front tread

Four-wheel-drive, tractors, and four-wheel-drive tractors. This may be adjusted by inverting the disk or rim, since the shaft length is not changeable.

Rear tread

The motion of the brake come in the direction of the arrow, makes the brake shoes open outward until the brake linings or press hard against the brake drum for braking

Internal expansion type

The steel balls between the two actuating disc push them outward until they are press hard against the break disk for breaking

Disc Type

What are the manners of applying braking force?

Internal expansion type, Disc Type

The motion of the brake rod in the direction of the arrow is transmitted through the brake lever rotate the brake cam for breaking

Mechanical brake

The stepping force on the brake pedal is converted to hydraulic forces by the master cylinder, and then transmitted through the pipe to the wheel cylinder

Hydraulic brake

Used used compressed air generated by compressor and stored in a tank the compressed air applies pressure to the master cylinder piston, which breaks or accelerate the four-wheel tractor

Pneumatic brake or air brake

The four wheel tractor equipped with three-point linkage, shall have the minimum hydraulic lift for capacity available throughout the power range at the distance of

610 mm beyond the lower pitch points

Any material added to the four-wheel tractor for the purpose of enhancing traction or stability?

ballast

Maximum power at rated speed measure that the flywheel or the crankshaft

Engine rated power

Total weight of the four wheeler chapter excluding tools with the fuel tank field to 80% capacity and with the normal amounts of including water and the oil when four-wheel tractor is at work

Four-wheel, tractor weight

Perpendicular distance between the ground, and the lowest point of the four-wheel tractor

Ground clearance

Maximum vertical lifting force on the lower links of the four-wheel tractor

Hydraulic lift force

Distance between the ground and the horizontal paint, touching the uppermost, part of the four wheel tractor

Overall height

Distance between the two vertical planes at right angle, sedan plane of the foreign tractor and touching its front and rear extremities

Overall length

Distance between two vertical plains parallel to the median plane of the four-wheel tractor, each plane, touching the upper most point of the four-wheel chapter and its respective side

Overall width

Radius of the smallest circle describe the outermost point of the four-wheel tractor, also known as the radius of clearance circle

Radius of turning area

Radius of the smallest circle tangent, described by the median plane of the outermost wheel of the four wheel

Radius of turning circle

Mass of fuel consumed per unit of work

Specific fuel consumption

Horizontal center to center distance between the front and rear wheel axles

Wheelbase

Travel reduction of the drive wheels for a given draw bar load

wheel slip

Diameter of the cylinder

Bore

Rio the cylinder on top of the piston, when it is at its lowest position to the volume remaining above the piston when it is a highest position

Compression ratio

100

But were recommended by the manufacturer for satisfactory operation under continuous duty condition within a specified speed range

Continuous break power

Materials

ユーザ名非公開 · 100問 · 2年前

Materials