McCulloch M125-97FH Manual de instrucciones

English

Workshop manual

M105-97F

M125-97FH

Contents

CONTENTS

Contents ....................................................................... 2

SAFETY INSTRUCTIONS

General Instructions....................................................... 3

Special Instructions........................................................ 3

TECHNICAL DATA

Technical Data ............................................................... 4

MAINTENANCE

Maintenance Schedule .................................................. 5

DESIGN AND FUNCTION

General ......................................................................... 6

Serial Number ............................................................... 6

Engine ........................................................................... 6

Steering ........................................................................ 6

Drive Unit ...................................................................... 6

Cutting Deck ................................................................. 7

REPAIR INSTRUCTIONS

Dismantling the Engine .................................................. 8

Assembling the Engine .................................................. 9

Fuel Tank ....................................................................... 9

Changing the Engine Oil ................................................ 10

Checking and Adjusting the Steering Cable ................... 11

Replacing the Steering Cable ........................................ 11

Assembling the Steering Shaft ....................................... 12

Dismantling/Assembling the Cable Pulley...................... 12

Checking and Adjusting the Brake ................................. 13

Adjusting the Throttle Cable ........................................... 13

Dismantling the Swing Axle ............................................ 14

Dismantling/Assembling the Drive Chain ....................... 14

Adjusting the Drive Chain............................................... 14

Dismantling the Gearbox ............................................... 14

Dismantling/Assembling the Hydrostatic Transmission.. 15

Replacing the Belts ........................................................ 16

Checking and Adjusting the Cutting Deck Ground Pressure 16

Removing the Cutting Deck ........................................... 16

ELECTRICAL SYSTEM

Checking the Safety System .......................................... 18

Seat Microswitch............................................................ 18

Blades Microswitch ........................................................ 18

Parking Brake Microswitch............................................. 18

Pedal Microswitch .......................................................... 18

Main Fuse ...................................................................... 18

Troubleshooting Schedule

Troubleshooting Schedule ............................................ 19

CONTENTS

2 – English

General Instructions

This workshop manual is written for personnel with a general

knowledge of repairing and servicing ride-on mowers.

The workshop where the ride-on mower is to be repaired

must be equipped with safety devices in accordance with

local bylaws.

No one may repair the ride-on mower without rst reading

and understanding the content of this workshop manual.

The machine is tested and approved only with the equipment

originally provided or recommended by the manufacturer.

This workshop manual contains the following warning boxes

in relevant places.

WARNING! The warning box warns of the

risk of personal injury if the instructions are

not followed.

IMPORTANT!

This box warns of material damage if the instructions are

not followed.

Special Instructions

The fuel used in the ride-on mower has the following

hazardous properties:

• The uid and its vapor are toxic.

• Can cause eye and skin irritation.

• Can cause breathing problems.

• Is highly ammable.

When using compressed air, do not direct the jet toward your

body. Air can penetrate into the blood circulation, which can

be fatal.

Use eye protection when working with tensioned springs.

Use hearing protection during testing.

During testing, do not touch the mufer before it has cooled

down. Risk of burns. This is especially true if the ride-on

mower is equipped with a catalytic converter. The coatings on

and in the catalytic converter element are hazardous to

ingest. Use protective gloves when working with the

converter/mufer.

The blades are sharp and can cause cuts and gashes. Use

protective gloves when handling the blades.

Use eye protection when working with the cutting unit. The

belt tensioning spring can break, y off and could cause

personal injury.

Use eye protection when working with the battery with the

plugs removed. Be especially careful when handling battery

acid. Acid on the skin can cause serious corrosive injuries. In

the event of spillage on the skin, wash immediately with

water. Acid in the eyes can cause blindness; contact a doctor

immediately.

Be careful when servicing the battery. Explosive gases form

in the battery. Never perform maintenance on the battery

while smoking or in the vicinity of open ames or sparks. This

can cause the battery to explode and cause serious injuries.

IMPORTANT!

Waste oil and used oil lters shall be handled as

environmentally hazardous waste.

SAFETY INSTRUCTIONS

English – 3

Technical Data

M105-97F M125-97FH

Dimensions

Length without cutting deck, mm/ft 1446 / 4.74 1446 / 4.74

Length with cutting deck, mm/ft 2057.5 / 6.75 2057.5 / 6.75

Width without cutting deck, mm/ft 805 / 2.56 805 / 2.56

Width with cutting deck, mm/ft 1029 / 3.38 1029 / 3.38

Height, mm/ft 1065 / 3.49 1065 / 3.49

Operating weight with cutting deck, kg/lb 190 / 419 190 / 419

Wheelbase, mm/ft 799 / 2.62 799 / 2.62

Tire size, front 16 x 6.00 - 10 16 x 6.00 - 10

Tire size, back 13 x 5.00 - 8 13 x 5.00 - 8

Air pressure front - rear, kPa/bar/PSI 100 / 1.0 /14.5 100 / 1.0 /14.5

Engine

Brand/Model Briggs & Stratton/3105 Briggs & Stratton/3125

Nominal engine output, kW (see note 1) 6.6 6.5

Stroke, cm3/cu.in 344 / 21 344 / 21

Max. engine speed, rpm 2900 ± 100 2900 ± 100

Fuel, minimum octane rating unleaded 85 85

Fuel tank capacity, liters 3.3 3.3

Oil, grade SJ-CF SAE 5W/30 or SAE

10W/30

SAE 5W/30 or SAE

10W/30

Oil tank capacity, liters/USqt 1.4 / 1.5 1.4 / 1.5

Start Electric starter Electric starter

Electrical System

Type 12 V, negative grounded 12 V, negative grounded

Battery 12 V, 18 Ah 12 V, 18 Ah

Spark plug Champion QC12YC Champion QC12YC

Electrode gap, mm/inch 0.75 / 0.030 0.75 / 0.030

Main fuse Flat pin, 15 A. Flat pin, 15 A.

Noise Emissions and Cutting Width (see note 2)

Sound power level, measured dB(A) 98 99

Sound power level, guaranteed dB(A) 99 99

Cutting width, cm/inch 97 / 38 97 / 38

Noise Levels (see note 3)

Noise pressure level at the operator's ear, dB(A) 84 85

Vibration Levels (see note 4)

Vibration level in steering wheel, m/s2. 4.8 4.8

Vibration level in seat, m/s20.7 0.7

Transmission

Manufacturer Topec T7000 Tuff Torq T36N

Oil, grade SF-CC SAE 80W/90 SAE 10W/30

Number of forward gears 3 -

Number of reverse gears 1 -

Forward speed, km/h 0-8 0-7.5

Reverse speed, km/h 0-4 0-7.5

Cutting Deck

Type Mulching unit Mulching unit

Cutting heights, 5 positions, mm/inch 25-70 / 0.98-2.76 25-70 / 0.98-2.76

Blade diameter, mm/inch 491 / 19.33 491 / 19.33

Note. 1: The power rating of the engine is the average net output (at the specied rpm) of a typical production engine of the model, measured to SAE standard J1349/

ISO1585. Mass production engines may differ from this value. Actual power output for the engine installed on the nal machine will depend on the operating speed,

environmental conditions and other values.

Note. 2: Noise emissions in the environment measured as noise power (LWA) in conformity with EC directive 2000/14/EC.

Note. 3: Noise pressure level according to EN 836. Reported data for the noise pressure level has a typical dispersion (standard deviation) of 1.2 dB(A).

Note 4: Vibration level according to EN 836. Reported data for the vibration level has a typical dispersion (standard deviation) of 0.2 m/s2 (steering wheel) and 0.8 m/s2

(seat).

TECHNICAL DATA

4 – English

Maintenance Schedule

The following is a list of maintenance procedures that must be performed on the ride-on mower. For points not described in this

workshop manual, refer to the operator’s manual.

Maintenance Daily maintenance

before starting

At least once

a year Maintenance interval in hours

25 50 100 200

Cleaning t

Check engine oil level t

Check the engine cooling air intake t

Check the steering wires l

Check the brakes l

Check the battery t

Lubricate the drive chain, M105-97F t

Check the safety system l

Check nuts and screws m

Check for fuel and oil leakages m

Clean around the mufer m

Change engine oil 1)l l

Change the air lter 2)t

Check the cutting deck t

Check the air pressure in the tires t

Lubricate joints and shafts 3)t

Check the V-belts l

Check and adjust the throttle cable l

Change the fuel lter m

Change the spark plug t

Check the fuel hose. Change if necessary 4)m

1)First change after 8 hours. When operating with a heavy load or at high ambient temperatures, change every 25 hours. 2)

Maintenance and changes are required more often in dusty conditions. 3)The ride-on mower should be lubricated twice a week

when used on a daily basis. 4)Performed by an authorized servicing dealer.

l = Described in this workshop manual

m = Not described in this workshop manual

t = Described in the operator’s manual

WARNING! Service procedures must not be conducted on

the engine or cutting deck unless:

The engine has been stopped.

The ignition key has been removed.

The ignition cable has been removed from the spark plug.

The parking brake is engaged.

The cutting deck is disengaged.

MAINTENANCE

English – 5

General

McCulloch is a ride-on mower offering a very high capacity.

This manual covers the McCulloch M105-97F and M125-

97FH mowers. They have front-mounted cutting decks for

controlled mowing and the best possible cutting results.

The McCulloch M105-97F and M125-97FH both have

mulching units with side discharge option.

McCulloch M105-97F and M125-97FH can also be equipped

with various accessories such as a lawn rake and spreader.

McCulloch M105-97F is delivered with a manual gearbox.

M125-97FH is only delivered with hydrostatic transmission.

Serial Number

The machine's serial number can be found on the printed

plate attached to the right side under the seat. Stated on the

plate, from the top, are:

• The machine's type designation.

• Manufacturer's product number.

• The machine’s serial number.

Please provide the type designation and serial number when

ordering spare parts.

The engine's serial number is given on a bar code decal. This

is placed on the left side of the crankcase, in front of the

starter.

The text states:

• Model.

• Type.

• Code.

Please provide these when ordering parts.

The transmission’s serial number on hydrostatic machines is

stated on the bar code decal located on the front of the

housing for the left-hand drive shaft:

• The type designation is stated above the bar code and

starts with the letter "K".

• The serial number is stated above the bar code and has

the prex "s/n".

• The manufacturer’s type number is stated under the bar

code and has the prex "p/n".

Please provide the type designation and serial number when

ordering spare parts.

Engine

These McCulloch ride-on mowers have single cylinder,

air-cooled engines from Briggs & Stratton.

Major engine repairs are not described in this workshop

manual. This information can be found in Briggs & Stratton’s

own manuals, which include detailed information about

engine adjustments and repairs. These manuals can be

ordered from an authorized servicing dealer.

It is important that only original spare parts are used to repair

the engines. If other parts are used, the guarantee is

invalidated.

Steering

The ride-on mowers have rear-wheel steering. Steering

forces from the steering wheel are transferred to the rear

wheel via a wire.

Drive Unit

McCulloch M105-97F has a manual gearbox with three

forward gears, neutral and one reverse gear.

DESIGN AND FUNCTION

6 – English

McCulloch M125-97FH is equipped with a hydrostatic

transmission. The speed is controlled variably using the

pedals forward or reverse.

Cutting Deck

The McCulloch M105-97F and M125-97FH both have

mulching units with a side discharge option.

The cutting deck is raised and lowered with the lifting pedal.

Depressing the pedal will lift the cutting deck to the transport

position.

In order to activate the transport position, the lock button on

the steering column is then pressed and held in while the lift

pedal is released.

If the lift pedal is released without pressing the lock button,

the cutting deck will be lowered (cutting position).

To activate the cutting position, press the pedal and then

release it.

The cutting height is adjusted using the lever, which has a

catch for each cutting height position.

DESIGN AND FUNCTION

English – 7

Dismantling the Engine

Pull up the lever for engaging the blades.

IMPORTANT!

Hold the battery cable screws in place so that the

electrodes are not strained.

Loosen the battery strap and detach the cable connections.

Remove the cable connecting the starter relay to the starter.

Separate the connector.

Remove the side plates.

Loosen the screws. Twist out the back of the plate 45°.

Remove the front edge of the plate.

Loosen the cable bracket from the engine.

Remove the fuel tank, see "Fuel Tank".

Remove the clip holding the throttle and choke cables.

Release the cable from its mounting.

Remove the plate over the engine by loosening the four

screws in the frame, two on each side. The engine can be

removed without lifting off the plate.

REPAIR INSTRUCTIONS

8 – English

Remove the seat switch.

Remove the lower belt from the engine belt pulley.

Remove the belt guide by the engine belt pulley.

Remove the engine mounting screws.

Note where the battery's negative cable is connected.

Disconnect it from the engine if necessary.

Lift the engine away from the machine.

Assembling the Engine

Assemble in reverse order.

Fuel Tank

Dismantling

WARNING! Petrol is highly ammable and

environmentally hazardous. Exercise

caution to avoid re and spillage.

Use a suitable vessel to collect the petrol.

Empty the petrol tank by removing the hose from the

connector under the tank. If you do not wish to empty the

tank, you can pinch the hose with lockable welding pliers and

then remove the hose and hose clip from the fuel lter’s lower

connector. You must then be sure to keep the hose opening

higher than the fuel level in the tank.

REPAIR INSTRUCTIONS

English – 9

Remove the screw holding the tank on the bracket. Lower the

tank and pull out the hose through the frame of the machine

(if it has been loosened by the fuel lter).

Assembling

It is easier to work if you empty the tank before assembly. Put

the hose in position. Connect it to the fuel lter with the hose

clip. Make sure the hose does not chafe.

Fit the fuel hose and the hose clip to the connector under the

tank as required. Fill with petrol and check that there are no

leaks.

Screw on the fuel tank.

Changing the Engine Oil

The engine oil should be changed for the rst time after

running for 8 hours; see Service Schedule. It should then be

changed after every 50 running hours.

WARNING! Engine oil can be very hot if it is

drained directly after stopping the engine.

Allow the engine to cool down rst.

IMPORTANT!

Used engine oil is a health hazard and must not be

disposed of on the ground or in the environment; it should

always be disposed of at an appropriate disposal site.

Avoid contact with skin. Wash with soap and water in case

of spills.

Place a container under the engine drain plug on the left side

of the engine.

Remove the dipstick and drain plug. Let the oil run out into

the container.

Fit the drain plug and tighten it.

Fill with oil up to the top mark on the dipstick. Oil is lled using

the same hole as the dipstick. Use the type of engine oil

specied in "Specications".

Warm the engine. Then check that there is no leakage from

the oil plug.

REPAIR INSTRUCTIONS

10 – English

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