Agria 3900 Manuale utente

Operating Instructions

for agria

Two-Wheel Tractor 3900

Before commissioning the engine, read operating instructions

and observe warnings and safety instructions.

OperatinginstructionsNo.998733 04.97

Power Machines for Soil Cultivation,

Grass and Property Maintenance

3658

Petrol Engine EH 25 D with Automatic Reversing Lock

Diesel Engine 6LD 400

2 Two-wheel tractor 3900 Edition 04.97

Index

Amount of Delivery ........................... 3

Recommendations

Lubricants ......................................... 4

Maintenance and Repair .................. 4

Fuel ................................................... 7

Designation

of Parts ...................... 5, 9, 61, 65, 69

Assembly Instructions ................... 8

1. Safety Instructions ............. 11–16

2. Specifications

Dimensions ..................................... 18

Track Width..................................... 18

Machine .......................................... 19

Vibration Acceleration Value .......... 19

Petrol Engine .................................. 19

Diesel Engine.................................. 20

Noise Levels ............................. 19, 21

Operation on Slopes................. 19, 21

3. Devices and Operating Elements

Engine............................................. 22

Safety Circuit .................................. 23

Clutch.............................................. 23

Gearbox .......................................... 24

Single-Wheel Brake ........................ 24

Central Brake .................................. 25

Differential Gear ............................. 25

PTO................................................. 26

Reversing Lock ............................... 26

Steering Handle ........................ 27, 28

Drive-Wheels .................................. 29

Wheel Fastening Bolts.................... 29

Snow Chains................................... 29

Front Weight ................................... 30

Support leg ..................................... 30

Coupling and Decoupling

Attachments.................................... 31

Electric Starter Version................... 37

4. Commissioning and Operation

Commissioning the Machine .......... 36

Before you operate the machine .... 37

Starting the Petrol Engine .............. 38

Switching off the Petrol Engine ...... 39

Starting the Diesel Engine........ 40, 41

Switching off the Diesel Engine...... 42

Operations ...................................... 43

Driving with Mounted Trailer........... 44

5. Maintenance

Petrol Engine ............................ 45–48

Diesel Engine............................ 49–52

Machine .......................................... 53

Adjustments on Hand Levers ......... 54

Battery ............................................ 55

General ........................................... 55

Storage ........................................... 56

6. Troubleshooting ................. 57–59

Lubricants, Varnishes,

Wear Parts ............................... 63–64

Electrical Wiring Diagrams.... 67–68

Inspection and

Maintenance Chart ....................... 72

Conformity Declaration................ 73

Note fold-out pages!

Fig. A + B ......................................... 5

Fig. B + C ......................................... 9

Fig. D + E, Petrol ........................... 62

Fig. F + G, Diesel, recoil starter .. 66

Fig. H + J, Diesel, electric starter 70

Edition 04.97 Two-wheel tractor 3900 3

Symbols, Name Plate

Please complete:

Machine Type No.:...........................

ID/Machine No.:

.........................................................

EngineType:.....................................

EngineNo.:.......................................

Date of Purchase:..........................

For name plate, refer to p5/fig. A/15,

p9/fig. C/15.

For engine type and number, refer to

p62/fig. E/5

p66/fig. G/11 and p70/fig. J/10.

Please state these data when ordering

spare parts to avoid wrong deliveries.

Only use original agria spare parts!

Specifications, figures and dimensions

statedin these instructions arenot bind-

ing. No claims can be derived from

them. We reserve the right for

improvements without changing these

instructions.

This delivery comprises:

Operating instructions

Two-wheel tractor

– Basic machine

– Steering handle

Tool kit

Symbols

Warning – Danger

Important information

Fuel

Choke

Battery charge indicator

Fast

Slow

Differential Lock

PTO

Brake

Parking Brake

Closed (locked)

Open (unlocked)

4 Two-wheel tractor 3900 Edition 04.97

Recommendations

Lubricants and

Anti-Corrosive Agents:

Use the lubricants specified for en-

gine and gearbox (see “Specifica-

tions”).

We recommend using Bio-lubricat-

ing oil or Bio-lubricating grease for

“open”lubricationpointsornipples(as

specified in the operating instruc-

tions).

We recommend using Bio-slushing

oil to preserve machines and attach-

ments (do not apply on painted cov-

ers). You can brush or spray the oil.

Anti-corrosive agents are environ-

mentally friendly and degrade fast.

Usingecologically safe Bio-lubricants

and Bio-anti-corrosives, you contrib-

ute to environmental protection and

to the wellbeing of humans, animals

and plants.

Maintenance and

Repair:

ThetrainedmechanicsofyourAGRIA

workshopexpertlycarryoutanymain-

tenance and repair work.

Youshouldonlycarry out major main-

tenance work and repairs on your

own, if you have the proper tools and

knowledge of machines and internal

combustion engines.

Do not hammer against the flywheel

with a hard object or metal tools as it

might crack and shatter in operation,

causing injuries and damage. Only

use suitable tools to pull off the fly-

wheel.

Edition 04.97 Two-wheel tractor 3900 5

Designation of Parts:

Petrol Engine

6 Two-wheel tractor 3900 Edition 04.97

Designation of Parts:

Petrol Engine

Figure A:

1 Fuel tank

2 Fuel tank cap

3 Oil filling opening of drive gear

4 Steering bar

5 Handlebar

6 Reverse lock

7 Lock pin

8 Clevis

9 W-clip

10 Locking lever for attachment coupling

(on the right, seen in travel direction)

11 Attachment coupling point with integrated PTO

12 Weight support and engine hoob guard

13 Support leg

14 Engine

15 Name plate (on the right, seen in travel direction)

16 Single wheel brake

17 Wheel flange

18 Transmission oil drain plug (on the right, seen in travel direction)

Figure B:

1 Safety lever

2 Hand lever for engine clutch

3 Pawl for engine clutch hand lever

4 Hand lever for differential lock

5 PTO shifter

(with steering handle swivelled [front attachment] = Gear shifter)

6 Locking lever for steering handle side adjustment

7 Gear shifter

(with steering handle swivelled [front attachment] = PTO shifter)

8 Speed adjustment lever

9 Handle lever

10 Hand lever for steering brake, on the left

11 Hand lever for steering brake, on the right

Edition 04.97 Two-wheel tractor 3900 7

Fuel Recommendations

Petrol Engine

Robin EH 25 D

This engine runs smoothly on conven-

tional unleaded regular and super-

grade petrol as well as on leaded

supergrade petrol.

Do not add oil to petrol.

If, for environmental reasons, you use

unleaded petrol, make sure the fuel is

drainedcompletely when shuttingdown

the engine for more than 30 days. This

is to prevent resin residue from deposit-

ing in the caburetor, fuel filter, and tank.

Oradda fuel stabilizing liquidtothefuel.

When storing the two-wheel tractor at

theend of the season,also drain leaded

fuel completely or add a fuel stabilizing

liquid.

For further instructions see “Engine

Preservation”.

Diesel Engine

Lombardini 6LD 400

Thisenginerunssmoothlyonconven-

tional diesel fuel or oil seed rape.

Winter operation:

Toensure reliable winteroperation of

the diesel engine use “winter diesel”,

which is sold at filling stations in win-

ter.

At outside temperatures of below

-15° C, additionally, take the follow-

ing precautions:

add conventional flow conditioners

add paraffine oil to lower the diesel

pour-point:

Paraffine oil: winter summer

diesel diesel

pour-point

50% ca. -31°C ca. -25°C

30% ca. -26°C ca. -15°C

10% ca. -20°C ca. - 9°C

As a last resort, you can add up to

30% of regular petrol to avoid

paraffine depositing in the machine.

However,this has negative effectson

fuel economy and driving.

8 Two-wheel tractor 3900 Edition 04.97

Instructions for Unpacking and Assembly

Open top of cardboard box.

Cut along all four corners of the

box and fold down the sides.

Move the reverse gear lever (4)

backwards.

Fit the steering handle (1) onto the

pin (3) of the steering column. Make

sure that Bowden cables 2a are

routed on the right side of the steer-

ing column and and Bowden cables

2band 2c onthe left sideof the steer-

ing handle (seen in travel direction).

Insertsteeringhandle retaining pin

(5) into the hole on the steering col-

umn. Hold the flat pin end horizon-

tally.Press the steering handle all the

way down until it rests on the surface

of the steering column. Before, push

the reverse gear lever (4) all the way

back.Useasrewdriver or similar tool.

Carefully hammer the steering han-

dle retaining pin into the steering col-

umn until it is flush with the column.

If it is not possible to hammer the pin

flush into the steering column, the

steering handle may not rest on the

surface of the steering column or the

flat end of the pin (5) is not horizon-

tal.

Boltdown the retainingpin (5) with

boltsand washers 7–9. (Tightenbolts

at a torque of approx. 10 Nm).

Fit the shifters (10, 11) into the

joints (12) and secure each shifter

with a W-clip (13).

Check Bowden cables to ensure

they are not bent and squeezed.

Fit drive wheels (accessory) (see

page 29).

Electric starter version: Fill battery

with accumulator battery acid and

charge the battery (see page 35).

Edition 04.97 Two-wheel tractor 3900 9

Designation of Parts:

Diesel Engine

10 Two-wheel tractor 3900 Edition 04.97

Figure C:

1 Fuel tank

2 Fuel tank cap

3 Oil filling opening of drive gear

4 Steering bar

5 Handlebar

6 Reversing lock

7 Lock pin

8 Clevis

9 W-clip

10 Locking lever for attachment coupling

(on the right, seen in travel direction)

11 Attachment coupling point with integrated PTO

12 Weight support and engine hoob guard

13 Support leg

14 Engine

15 Name plate (on the right, seen in travel direction)

16 Single wheel brake

17 Wheel flange

18 Transmission oil drain plug (on the right, seen in travel direction)

Designation of Parts:

Diesel Engine

Figure B:

1 Safety lever

2 Hand lever for engine clutch

3 Pawl for engine clutch hand lever

4 Hand lever for differential lock

5 PTO shifter

(with steering handle swivelled [front attachment] = Gear shifter)

6 Locking lever for steering handle side adjustment

7 Gear shifter

(with steering handle swivelled [front attachment] = PTO shifter)

8 Speed adjustment lever

9 Handle lever

10 Hand lever for steering brake, left

11 Hand lever for steering brake, right

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