Tractor start-up and engine operation – Buhler 2425 User Manual

Page 79

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SECTION 2 - OPERATION

2-21

TRACTOR START-UP AND ENGINE OPERATION

WARNING: AVOID POSSIBLE INJURY OR

DEATH FROM A MACHINE RUNAWAY.

DO NOT START THE ENGINE BY SHORTING

ACROSS STARTER

TERMINALS.

THE

ENGINE CAN START AND THE MACHINE

CAN MOVE WHEN THE STARTING SAFETY

SWITCH IS BYPASSED.

CAUTION:

PREVENT

INADVERTENT

TRACTOR OR IMPLEMENT MOVEMENT.

BE SURE THE HYDRAULIC CONTROL

LEVERS ARE IN NEUTRAL AND THE

3-POINT HITCH IS SET TO THE LOWEST

POSITION PRIOR TO STARTING THE

TRACTOR WHEN ATTACHED TO AN

IMPLEMENT.

THE TRACTOR CAN MOVE AS SOON AS

THE ENGINE IS STARTED BY TURNING THE

STEERING WHEEL, EVEN WITH THE PARK

BRAKE

ENGAGED

AND

THE

TRANSMISSION IN NEUTRAL. BE SURE ALL

PERSONNEL

ARE

CLEAR

OF

THE

TRACTOR BEFORE STARTING.

PRESTART INSPECTION

Do the following before starting the engine each

day:

1. Check the engine oil level and adjust, if

necessary.

2. Check the coolant level and adjust, if

necessary.

3. Check and clean the radiator and grill for dirt

and debris, if required.

4. Check the transmission and hydraulic oil

tank levels and adjust, if necessary.

5. Inspect the condition of all belts, lights,

switches, hoses, lines, fittings, seals, tires,

nuts and bolts. Replace or tighten, if

required.

6. Check the drawbar and 3-point hitch for

wear, especially around metal-to-metal

contact parts.

ENGINE STARTING

IMPORTANT: Protect the turbocharger during

start-up by not opening the throttle or

accelerating above 1000 RPM until the engine

oil pressure gauge reads in the normal range.

Avoid excessive engine speed during warm-up.

1. Fasten your seat belt.
2. Put the transmission in neutral.
3. On tractors equipped with a PTO, put the

switch to the “OFF” position. A safety switch

on PTO-equipped models permits engine

starting only when the PTO is off.

4. Engage the park brake.

IMPORTANT: A safety switch in the park

brake will not permit the tractor to start unless

the park brake is engaged.

5. Check to be sure that the remote hydraulic

levers are in the neutral position.

6. On tractors equipped with a 3-point hitch,

make sure that the hitch controls are set to

the lowest position.

7. Set the engine throttle to the lowest position.
8. Turn the ignition to “RUN” to activate the

electrical accessories.
Observe the warning lamps to be sure they

are functioning.

9. Turn the ignition to the “START” position to

crank the engine, and release when the

engine starts.
The switch has a starter protection feature

built-in. If the switch is rotated to the start

position, and then released to the run

position, it will be necessary to rotate the

switch to the stop position in order to make

another attempt to start the tractor. This will

prevent an accidental engagement of the

engine starter motor when the engine is

already running.

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