Textron Ransomes TMM48R Caractéristiques techniques

Ransomes Way, Ipswich, England, IP3 9QG

RANSOMES

OPERATORS INSTRUCTIONS

Publication No. 24087G (rev.1) (RSJ 001 101997)

TMM48R

MID MOUNTED MOWER

This operator’s manual has been prepared to provide

the information you need to correctly install, operate

and maintain your mower attachment. Carefully read

and follow the instructions in this manual. With

proper care and operation you will obtain long and

efficient service.

Any reference made in this Operator’s Manual

concerning the right-or left-hand sides are

determined by the direction the operator is facing

when in the tractor seat.

RANSOMES policy is one of continuous improvement, and the right to

change prices, specification or equipment at any time without notice is

reserved.

All date given in this book is subject to production variations. Dimensions and

weights are approximate only and the illustrations do not necessarily show

tractors/ implements in standard condition. For exact information about any

particular tractor/implement please consult your RANSOMES tractor dealer.

A PRODUCT IDENTIFICATION PLATE is located on the left-hand side of the deck.

The numbers on the plate are important should your mower require future service.

For your convenience, have your dealer record the numbers in the appropriate

spaces below.

Be sure safety precautions are observed. They are

for your benefit.

The replacement of any part on this product by other

than the manufacturer’s authorised replacement part

may adversely affect the performance, durability or

safety of this product.

INTRODUCTION

SAFETY PRECAUTIONS ......................................................................... 3-4

CONTROLS AND OPERATION................................................................ 5-8

MOWER ADJUSTMENT ........................................................................... 5-6

MOWER OPERATION................................................................................6

CUTTING HEIGHT.................................................................................... 6-7

CUTTING SPEED .......................................................................................7

GRASS DISCHARGE .................................................................................7

CUTTING PATTERNS ................................................................................8

REMOVING MQWER FROM TRACTOR....................................................8

LUBRICATION AND MAINTENANCE ..................................................... 9-15

LUBRICATION AND MAINTENANCE CHART ...........................................9

LUBRICATION ........................................................................................ 10-11

BLADE REPLACEMENT AND SHARPENING ....................................... 11-12

BELT ADJUSTMENT .............................................................................. 12-13

BELT REPLACEMENT ..............................................................................13

STORAGE AND TROUBLE SHOOTING ................................................ 13-14

SPECIFICATIONS .....................................................................................14

GENERAL TORQUE SPECIFICATION TABLE.........................................15

PREPARING MOWER FOR OPERATION ............................................. 16-24

MOWER TERMINOLOGY..................................................................... 16-17

ASSEMBLY OF MOWER TO TRACTOR ................................................18

ATTACHING THE MOWER LIFT LINKS TO THE TRACTOR .............. 18-21

ATTACHING THE MOWER TO THE TRACTOR.................................. 22-24

SAFETY AND INSTRUCTION DECALS................................................. 25-26

CONTENTS

Model TMM48R

48" Mower Attachment

• Watch for holes in terrain and other hidden

hazards.

• Do not stop or start suddenly when going uphill or

downhill. Mow up and down the face of steep

slopes, never across the face.

• Disengage power to attachment(s) and stop the

engine (motor) before leaving the operator’s

position.

• Never leave equipment in the raised position.

• Always keep the discharge side of the cutter

directed away from people and objects which could

be struck by debris thrown from the cutter.

• Upon striking a foreign object, stop and inspect the

front mower and the mower for damage. Repair the

damage before resuming equipment operation.

SERVICING & MAINTENANCE

• Keep all shields in place.

• Replace safety and warning decals when they

become illegible.

• The vehicle and attachments should be stopped

and inspected for damage after striking a foreign

object and the damage should be repaired before

restarting and operating the equipment.

• Do not lubricate or make mechanical adjustments

while the unit is in motion or when the engine is

running. However, if minor engine adjustments

must be made, apply the parking brake securely,

block the wheels and use extreme caution.

• Periodically maintain mower. Tighten nuts, bolts

and fittings periodically for safe operation. Check

blade for tightness.

SAFETY PRECAUTIONS

THE FOLLOWING PRECAUTIONS ARE SUGGESTED TO HELP PREVENT ACCIDENTS.

CAREFUL OPERATOR IS THE BEST OPERATOR. MOST ACCIDENTS CAN BE AVOIDED BY OBSERVING CERTAIN

PRECAUTIONS. READ AND CARE THE FOLLOWING PRECAUTIONS BEFORE OPERATING THIS EOUIPMENT TO

HELP

PREVENT ACCIDENTS. EOUIPMENT SHOULD BE OPERATED ONLY BY THOSE WHO ARE RESPONSIBLE AND

INSTRUCTED TO DO SO.

THE MOWER

• Read your Tractor and Mower operator’s manual

carefully before using the equipment. Lack of

operating knowledge can lead to accidents.

• Keep the vehicle and attachments in good

operating condition and keep safety devices in

place.

• Do not modify or alter or permit anyone else to

modify 0 alter this mower or any of its components

or any tractor function.

• Keep people and pets a safe distance away from

the machine.

• Clear the work area of objects which might be

picked up and thrown.

MOWER OPERATION

• Disengage power to mower when transporting or

not in use.

• Disengage power to mower before backing up. Do

not mow in reverse unless absolutely necessary

and then only after careful observation of the entire

area behind the mower.

• When mowing proceed as follows:

a) Mow only in daylight or in good artificial

light.

b) Never make a cutting height adjustment

while the engine (motor) is running if the

operator must dismount to do so.

c) Check the blade mounting bolts for proper

tightness at frequent intervals.

d) Shut the engine (motor) off when removing

the grass catcher or unclogging chute.

The signal word “WARNING” indicates that a source of

danger to a person on or near a machine exists which

may result in death or injury if the recommended

precautions are not taken.

The signal word “DANGER” signifies that a source of

extreme danger to a person on or near a machine exists

as a result of the very nature of the machine itself. This

danger to persons is such that it would result in a high

likelihood of death or permanent injury it the

recommended precautions are not taken.

Whenever you see this symbol it means: ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED!

SAFETY DEFINITIONS

• Reduce speed on all side slopes and sharp turns

to prevent tipping or losing control.

• Do not allow anyone to ride on tractor or any of its

attachments.

• Never allow tractor to discharge grass toward

anyone.

• The discharge guard must be down at all times

during mowing operation.

• If safety decals become illegible, they should be

replaced.

• Make certain mower or tractor cannot be started by

unauthorised persons before leaving tractor.

Safety is NO accident Be Alert!

This symbol is Used to attract your attention

to the safety precautions that should be

understand by the operator to avoid

accidents

When you see this symbol-HEED ITS WARNING!

• Be sure to read all tractor and engine instructions

before operation.

• Know your controls. Know how to stop tractor and

engine in an emergency.

• All guards must be in place before operating

mower.

• Stop operation when another person approaches.

• Keep children and pets away. Children and pets

should be kept a good safe distance away from

mower.

• Set parking brake and stop engine before leaving

seat.

• Be sure lawn is clean. Remove stones, wires,

sticks, toys, anything that might catch or be thrown

by the mower blade.

• Do not wear loose fitting clothing that might get

caught in moving parts. Also, keep hands and feet

away from moving parts.

• Loose clothing could become entangled in moving

parts, causing personal injury.

SAFETY PRECAUTIONS

CONTROLS AND OPERATION

Figure 1 Adjusting the Mower

WARNING: To avoid personal injury,

stop the engine, lower mower to the

ground and allow the blades to stop

before adjusting the mower.

1. Position the tractor on a level surface. Lock the

parking brake, stop the engine and remove the key.

2.Adjust tire pressure to 12psi in all turf tires, to

16psi in AG tires.

3.Set the lower link hitch point inner spread to

category 1 (26 7/8 inches) with adjusting check

chain. Heights of rear and left lower link hitch points

should be adjusted in same each other.

4.Set the gauge wheel and rear roller to the “setting

position” cutting height, Figure 3, 4,

5. Adjust the front links so the pins can be removed

easily from the mower.

6.Start the engine and raise the mower slowly.

Loosen the lift rod, if not previously done so that the

mower will not bind against the tractor or u~ stop.

7.Stop the engine and remove the key.

8. Adjust the tumbuckles on lift rod to obtain 5mm

(1/4") space between the plate (in front of deck) and

up stop and gauge wheels are equal height from the

ground. Tighten the lock nuts, Figure 2.

Figure 2 - Adjusting the Mower

9. If major changes are made in the cutting height,

repeat steps 5 to 8.

Reinstall the gauge wheel to the arm of the deck with

a clevis pin and hair pin clip. Select the desired

cutting height, as shown in Figure 3.

MOWER ADJUSTMENT

Figure 3 - Reinstalling the Gauge Wheel

MOWER OPERATION

MAKING THE MOST OF YOUR MOWER

1 When Using your mower for the first time,

choose a smooth level area and cut in straight

and slightly overlapping strips.

2. The size and type of the area to be mowed will

determine the proper mowing pattern. Take

into account obstruction, such as trees, fences

and buildings. To keep grass cuttings off

fences, sidewalks, etc., it is advisable to go

around the outside of the area to be mowed

several times in a clockwise direction. To mow

the area remaining, work in a

counterclockwise direction so the cuttings are

dispersed onto the previously cut area.

3. Always keep the left side “Trimming side” of

the mower toward trees, posts or other

obstacles on the first trip around the obstacle.

4. Most lawns should be mowed to keep the

grass approximately 2 to 3 in. (51 -76mm)

high. Best results are obtained by cutting often

and not too short. To keep a green lawn,

never mow more than one third off the height

of the grass or a maximum of 1 in. (25mm) in

one mowing. For extremely tall grass, set the

cutting height at maximum for the first mowing,

then reset to the desired height and mow

again. Allow the grass to grow to three inches,

then cut off only the top inch.

5. On thick or springy grass or soft ground, the

mower rollers may sink into the ground giving

too low a cut. Readjust the cutting height to

obtain the desired height of cut.

6. For best appearance, grass should be cut only

when it is free of moisture.

WARNING: Some illustrations in the

manual show the mower with safety

shields removed to provide a better

view. The mower should never be

operated with any safety shielding

removed.

CUTTING HEIGHTS

WARNING: To avoid injury do not

operate the mower in the transport

position.

This mower can be adjusted to cut from 1 1/2" to

4 1/4" high. Cutting heights should be determined by

cutting conditions and personal preference. The

following recommendations will provide a guide for

height selection.

Lawns .......................................1 1/2" - 2 3/4"

Field Cutting .............................2 3/4" - 41/4"

To change from one cutting height to another it is

necessary to adjust the gauge wheel and rear roller

as following

1. Start the engine and pull the lift control lever

rearward.

2. Stop the engine, remove the key and lock the

parking brake.

3. After determining the cutting height, as shown

in Figure 4, remove the pin securing the

gauge wheels and reinstall the pin in the

desired position.

4. Change the latch position which mounts the

rear roller, if necessary.

5. Make sure that the gauge wheels and rear

roller are secured.

6. Lower the mower deck with the lift control

lever pushed forward.

7. lf desired, the mower can be carried with

minimum weight on the gauge wheels by

lowering the mower so that gauge wheels are

1/4 inch from the ground. Set the stop on the

tractor lift

CONTROLS AND OPERATION

control lever at that point. Returning the lift lever to

the stop each time will return the mower to the pre-

set height.

Figure 4 Approximate Cutting heights at various

wheels and roller settings

WARNING: Stop mower and tractor

immediately upon striking an

obstruction. Inspect mower and repair

any damage before resuming operation.

CUTTING SPEED

For best mowing results, it is important that blades

be run at maximum speed. Set engine throttle lever

in FAST position, thus providing proper blade speed

and maximum engine horsepower.

Choose a ground speed which will provide the

desired finish cut, maximum operator comfort and

will not overload the mower drive. A slower ground

speed will provide a smoother operating machine

UNEVEN TERRAIN

WARNING: Be careful when operating

tractor and mower on uneven ground.

In extremely uneven terrain rear wheel weights, front

tractor weights and/or front tire ballast should be

used to improve stability.

Pass diagonally through sharp dips and avoid sharp

drops to prevent “hanging up” of the tractor and

mower. Practice will improve your skills in

manoeuvring rough terrain.

Avoid sudden starts and stops when travelling up or

down hill.

Always mow down slopes, never up or across the

face. Avoid operation on steep slopes.

Slow down on sharp turns and slopes to prevent

tipping or loss of control.

GRASS DISCHARGE

This mower was designed to provide a strong

discharge to scatter clippings and prevent clogging in

heavy cuttings. When cutting lush, thick tall or wet

grass shift to a slow ground speed setting and/or

reduce width of cut to prevent possible belt damage.

FOR BEST CUTTING DO NOT MOWWHEN

GRASS IS WET. Wet grass will cause clogging and

produce unsightly clumping on lawn.

WARNING: To avoid injury from

thrown objects keep discharge guard in

position and secure at all times. The

under side of mower deck should be

cleaned out (sprayed with water) after

each cutting with the engine stopped

and blades not rotating.

In medium and heavy cuttings plan your mowing to

discharge clippings away from uncut grass. In light

mowing discharge clippings can be directed onto

uncut grass so cut area is free of clippings and

discharged grass is re cut into finer clippings.

If mower becomes clogged, back unit out of uncut

grass and try to clear deck by engaging the

P.T.O. with the deck in the highest position. If deck

does not clear itself STOP engine, remove starter

key and clean underside of deck using a stick or

scraper. If grass build-up is excessive remove

mower from tractor and clean underside of deck

thoroughly.

CONTROLS AND OPERATION

CUTTING PATTERNS

1 Cut counterclockwise patterns as shown in

Figure 5. The blade arrangement of the

mower will then eliminate streaks of uncut

grass when the tractor turns.

2. Changing direction wastes time. Plan to keep

mower moving forward as much as possible.

3. Plan for the longest straight runs that are

possible.

4. Save the close trimming for the end.

5. Sometimes it is easier to divide a large

irregular shaped area into smaller sections,

Figure 5 centre, to keep the mower working

more steadily or to keep from reversing turning

or repeating too often.

6. In a small area, where tight turns would cause

lost time in the centre if the normal round and

round methods were used, try the cutting

method in Figure 5 right. Make the second

pass down the centre of the area rather than

down the opposite side from the pass. This

allows you to swing wide at the end of each

pass and still cut all the grass with a minimum

of reversing.

WARNING: For safe operation, when

transporting the tractor, the mower must

be locked in the transport position. It is

also necessary to lock the mower in

transport position when using the tractor

with a loader or for 3 point lift

implement. Raise the mower and lock

the lift links using the hook and pin at

the rear bracket, Figure 15.

REMOVING MOWER FROM TRACTOR

1 Drive the tractor front wheels onto a suitable

block, such as a 2x6 board, and turn the

wheels full to the left.

2. Lock the brakes, stop the engine and remove

the key.

3. Set the cutting height gauge wheels and roller

at the lowest cut position (1 1/2").

4. Lower the mower deck.

5. Pull out the lock pin of the quick attachment

and push down the quick attach lever,

removing the front links from the front bracket.

6. Pull the hooks on the mower deck and remove

the front link assembly.

7. Remove the hair pin and clevis pin holding the

lift links to the mower deck. Lock the lift links in

the transport position with the hook and pin

provided, Figure 15.

8. Remove the universal joint from the P. T. 0.

shaft of tractor.

9. Pull the mower out from under the right side of

the ‘tractor. Be careful that the gauge wheel

spindles do not damage the front wheel drive

shaft and rubber boot while pulling the mower

from under four wheel drive tractor.

10 Three-point lift implements can now be used

without further disassembly of mower

attaching parts.

11. To install the mower, reverse the above

procedure.

REMOVING MOWER FROM TRACTOR

Divide Larger Or Irregular Areas Into

Two Sections For Easier Mowing

Normal Round And Round

Method For Large, Easy Areas Over-Lap In Tight Corners

Give Yourself Room To Turn

It’s Possible To Cut Small

Areas Without Losing Time

Turning In The Middle

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