Jacobsen LD300 Guida all'installazione

WARNING: If incorrectly used this machine can cause severe injury. Those who use

and maintain this machine should be trained in its proper use, warned of its dangers

and should read the entire manual before attempting to set up, operate, adjust or

service the machine.

OWNER/OPERATOR’S MANUAL

& ILLUSTRATED PARTS LIST

4132502 REV B

MODEL:

73-70605A LOADER FRONT END LD300

CALIFORNIA

Proposition 65 Warning

Diesel engine exhaust and some of

its constituents are known to the State

of California to cause cancer, birth

defects and other reproductive harm.

Californie Proposition 65

Avertissement

Les échappements des moteurs diesel

et certains de leurs composés sont

reconnus par l’Etat de Californie pour

être cancérigènes, provoquer des

défauts congénitaux et d’autres dangers

en matière de reproduction.

ADVERTENCIA

AVERTISSEMENT

WARNING

The engine exhaust from this product

contains chemicals known to the State

of California to cause cancer, birth

defects or other reproductive harm.

California Advertencia

de la Proposicion 65

El estado de California hace saber que

los gases de escape de los motores

diesel y algunos de sus componentes

producen cáncer, defectos de

nacimiento y otros daños en el

proceso de reproducción humana.

L’

mission du moteur de ce mat

riel

contient des produits chimiques que

l’Etat de Californie consid

tre

canc

rig

nes, provoquer des d

fauts

cong

nitaux et d’autres dangers en

mati

re de reproduction.

El estado de California hace saber

que los gases de escape de este

producto contienen productos

quÍmicos que producen cáncer,

defectos de nacimiento y otros daños

en el proceso de reproducción

humana.

LOADER

LD300

IMPORTANTMESSAGE

Thank you for purchasing this Jacobsen product. You have purchased a world class product, one of the best

designed and built anywhere.

This product comes with an Owner/Operator's Manual. The useful life and good service you receive from this

product depends to a large extent on how well you read and understand this manual. Treat this product properly

and adjust it as instructed, and it will give you many years of reliable service.

See a Jacobsen dealer for any service or parts needed. Jacobsen service ensures that you continue to receive

the best results possible from Jacobsen products. You can trust Jacobsen replacement parts because they are

manufactured with the same high precision and quality as the original parts.

Jacobsen designs and builds its equipment to serve many years in a safe and productive manner. For longest

life, use this product only as directed in the manual, keep it in good repair and follow safety warnings and

instructions. You'll always be glad you did.

Jacobsen, a Textron Company

One Bob Cat Lane

Johnson Creek, WI 53038-0469

1-2005

TABLE OF CONTENTS FIGURES PAGE

DESCRIPTION / SPECIFICATIONS .............................................................................................................. 2

SAFETY ..................................................................................................................................................... 3, 4

INSTALLATION INSTRUCTIONS .................................................................................................................. 5

OPERATION .................................................................................................................................................. 6

SERVICE ....................................................................................................................................................... 7

FRAME PARTS .................................................. FIGURE 1 ..................................................................... 8, 9

HYDRAULICS .................................................... FIGURE 2 ..................................................................10, 11

LOADER

LD300

DESCRIPTION / SPECIFICATIONS

SPECIFICATIONS

Lift Height..................................................................................... 73"

Maximum lift capacity .................................................................. 200 lbs.

Break-out Force ........................................................................... 365 lbs.

Clearance with attachment dumped............................................ 53"

Reach at full height...................................................................... 30"

Reach with attachment on ground............................................... 27"

Overall height in carry position .................................................... 49"

Rated pressure at 3600 engine rpm............................................ 750 psi

Pump Flow at 3600 engine rpm .................................................. 7.8 gpm

Oil Capacity.................................................................................. 2-1/2 gal.

Cylinder size ................................................................................ 2 X 20

Bucket rollback ............................................................................ 15o

Bucket volume ............................................................................. 6 cu. ft. (approx.)

Bucket width ................................................................................ 48"

Weight.......................................................................................... 702 lbs.

DESCRIPTION

The front end Loader is designed exclusively for use with the 420 tractor. The quick attach feature is very

desirable for owners who use the tractor for various jobs.

Standard equipment is the 48" bucket. A weight bar with 6 weights is required for use with the loader.

Uses include material handling of bulky materials, manures, gravel, sand etc. with excellent

maneuverability and ease of handling. The 4 wheel-drive allows the small unit to perform tasks surpassing

other small loaders.

LOADER

LD300 SAFETY

NOTICE !!!

Unauthorized modifications may present extreme

safety hazards to operators and bystanders and

could also result in product damage.

Jacobsen, a Textron Company strongly warns

against, rejects and disclaims any modifications,

add-on accessories or product alterations that are

not designed, developed, tested and approved by

Jacobsen Engineering Department. Any Jacobsen

product that is altered, modified or changed in any

manner not specifically authorized after original

manufacture–includingtheadditionof“after-market”

accessories or component parts not specifically

approved by Jacobsen–will result in the Jacobsen

Warranty being voided.

Anyandallliabilityforpersonalinjuryand/orproperty

damagecausedbyanyunauthorizedmodifications,

add-on accessories or products not approved by

Jacobsen will be considered the responsibility of

the individual(s) or company designing and/or

making such changes. Jacobsen will vigorously

pursuefull indemnificationand costs fromany party

responsibleforsuchunauthorizedpost-manufacture

modifications and/or accessories should personal

injury and/or property damage result.

This symbol means:

ATTENTION!

BECOME ALERT!

Your safety and the safety of others is involved.

Signal word definitions:

The signal words below are used to identify levels

of hazard seriousness. These words appear in this

manual and on the safety labels attached to

Jacobsenmachines.Foryoursafety and thesafety

ofothers,readandfollowtheinformationgivenwith

thesesignalwordsand/orthesymbolshownabove.

DANGER indicates an imminently hazardous

situationwhich, ifnot avoided,WILL result indeath

or serious injury.

WARNING indicates a potentially hazardous

situation which, if not avoided, COULD result in

death or serious injury.

CAUTION indicates a potentially hazardous

situation which, if not avoided, MAY result in minor

or moderate injury. It may also be used to alert

against unsafe practices or property damage.

CAUTION used without the safety alert symbol

indicates a potentially hazardous situation which, if

not avoided, MAY result in property damage

MODEL NUMBER: This number appears on

sales literature, technical manuals and price

lists.

SERIAL NUMBER: This number appears only

on your mower. It contains the model number

followed consecutively by the serial number.

Use this number when ordering parts or seeking

warranty information.

LOADER

LD300

1. Read and understand the Owner’s Manual before attempting to operate this machine.

2. Operate all controls from the operator’s seat. NO RIDERS.

3. Keep all shields in place and safety switches adjusted properly.

4. Do not leave equipment unattended. STOP the engine and remove the key.

5. Do not allow minors or the inexperienced to operate this machine.

6. Keep people and pets a safe distance away from machine using power driven attachments. Injury

could result from flying debris.

GENERALSAFETY

OPERATINGSAFETY

1. DO NOT attempt to work on unit or any

attachments with the engine running. STOP

ENGINE!

2. DO NOT exceed recommended loads.

3. Always carry the load low.

SAFETY

4. Before leaving the operator's seat:

• Disengage PTO drive.

• Set Parking brake.

•Lower bucket.

• Stop Engine.

LOADER

LD300 INSTALLATION INSTRUCTIONS

MOUNTING INSTRUCTIONS

1. Install mounting shaft through tractor frame and secure with bolt. Place clamp over each end of shaft.

2. Drive tractor carefully into position until the front lift latches.

3. Raise tractor front lift to tilt loader onto mounting shaft.

4. Place clamps in position and tighten.

5. Install pump drive belt.

6. Install weight bar and 6 weights.

REMOVAL INSTRUCTIONS

1. Raise bucket approximately 20" from the floor.

2. Loosen clamps to mounting shaft.

3. Stop engine and remove pump drive belt.

4. Carefully lower tractor front lift, allowing loader to tip forward until bucket rests on floor.

5. Release quick attach and carefully back tractor away from loader.

6. Block or support frame of loader in case of accidental movement of control levers which will affect the

position of the loader for re-mounting.

7. Remove mounting shaft if desired.

8. Remove weights from weight bar.

LOADER

LD300

OPERATION

OPERATING INSTRUCTIONS

1. SAFETY FIRST! Always carry the load low.

2. Drive very carefully over rough terrain.

3. REMEMBER when raising the loader it increases the chances of tipping over due to the weight and its

effect upon the center of gravity.

4. With the tractor engine running, engage PTO to start pump.

5. Operate valve levers carefully. The left lever raises and lowers the loader. This lever has a float

position also. The right lever controls the bucket position.

Always remove weights from weight bar when

loader is removed.

LOADER

LD300 SERVICE

MAINTENANCEINSTRUCTIONS

1. Check oil level with all cylinders retracted. Oil level should reach the notch on the dipstick.

2. Lubrication:

•Use TRC 6440 oil only.

•Grease every 8 hours of operation.

TROUBLE SHOOTING CHART

POSSIBLE CAUSE REMEDY

SYMPTOM: Loader will not lift.

1. Pump drive belt slipping or missing.

2. Low oil level.

3. Load in bucket is too heavy.

SYMPTOM: Loader leaks down or settles with load.

1. Lift cylinders leaking.

2. Hydraulic valve leaking.

3. Hoses or fittings leaking.

SYMPTOM: Oil sprays or leaks at filler cap.

1. Check pump drive belt for correct size and

adjustment.

2. Fill to proper oil level with cylinders

retracted.

3. Do not exceed maximum recommended

transport loads of 200 pounds.

1. Replace cylinder seals.

2. Replace seals in hydraulic valve or replace

valve assembly.

3. Repair or replace leaking hoses or fittings.

1. Oil reservoir is too full. 1. Do not over-fill. Always check oil level with

loader down and bucket rolled back with all

cylinders retracted.

LOADER

LD300

FRAME PARTS

FIGURE 1

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