Spearhead Excel 606 User manual

Spearhead

To cover operation of the following machines

Excel 606, 686, 726, 836, 7000, 8000

And Highway 606

Handbook

3rd Edition – April 2007

Important Note

The information contained in this manual is correct at the time of publication.

However, in the course of constant development, changes in specification are

Inevitable. Should you find the information given in this book different to the

Machine it relates to please contact the “After Sales Department” for advice.

Spearhead

Please ensure that this manual is handed to the operator before using the

machine for the first time. The operator must fully understand the contents

of this manual before using this machine.

(If the machine is resold the Manual must be given to the new owner.)

Spearhead Machinery

Green View,

Salford Priors,

Evesham,

Worcestershire,

WR11 8SW

Tel: 01789 491860 Fax: 01789 778683

www.spearhead.uk.com

enquiries@spearhead.uk.com

Excel 606, 686, 726 & 836

Spearhead

Contents

General Information

Introduction………………………………………………………..………….4

Highway…………………………………………………………………...….4

Specification…………………………………………...………………..……5

Safety

Machine Safety Stickers………………………………………………….…6

Safety Recommendation……………………………………….…………..7

Front Mounted Machines……………………………………….……..……9

Lighting Kits…………………………………………………….….…….…..9

Warning Signs…………………………………………………..……….…..9

Training………………………………………………………...…………….9

Installing/Removing Machine

Tractor Requirements…………………………………………………….10

Lifting Points……………………………………………………………….10

Attaching your Machine to the Tractor - Using Axle Mounting……….11

Attaching your Machine to the Tractor – using 3 point linkage…..…..14

Running up your Machine………………………………………………..18

Removing from the Tractor…………………………………………...….19

Set-up

Hydraulic/Electric Controls……………………………………..….…….20

How your controls work…………………………………………………..21

Cutting Head Set-up……………………………………..……………….22

Hedge Cutting……………………………………………………………..24

Grass Cutting…………………………………………….………………..25

Operation

Operation Warnings……………………………………………...………26

Moving into Transport Position………………………………………….27

Transport to Work Position……………………………………………...29

Engaging head drive……………………………………………………..29

Disengage head drive……………………………………………………29

Break back……………………………………………...…………………30

Tractor forward speed……………………………………………………31

Cutting sequence…………………………………………………………31

Wire Trap………………………………………………………………….32

High Voltage Cables……………………………………………………..32

Oil Cooler………………………………………………………………….32

Excel 606, 686, 726 & 836

Spearhead

Operation

. Angle Float…………………………………………….……..….….……33

Head Float……………………..………………………………………….34

Debris Blower……………..……………………………………………...35

Hydraulic Rear Roller..…………………………………………………..36

Autopilot………….………………………………………………………..37

Quad saw…………….……………………………………………………42

Telescopic Arm………………………………………...…………………45

Variable Forward Reach…………………………………………………46

Service & Maintenance

Greasing / Lubrication…………………………………….………….…47

Hydraulic hoses………………………………………..…..……….…...49

Oil Supply………………………………………………..…..……….….50

Oil Recommendations…………………………………..…..……….…50

Filtration Maintenance………………………………….….………......50

Flail Head…………………………………………………….…………..51

Pin & Bushes, Storage…………………………………………..….…52

Torque Settings…………………………………………………..….…53

Regular Service Chart……………………………………………..….53

Diagnostics

Troubled shooting Excel / Highway………………………..………..54

Pump and Motor failure……………………………………………….57

Hydraulic Diagram…….………………………………………….……60

Notes……………………………………………………………….……62

Warranty

The Spearhead Warranty……………………………………………..63

Extended Warranty……………………………………….……………64

Excel 606, 686, 726 & 836

Introduction

The excel is a very robust high capacity reach mower that is easy to operate and

maintain. To ensure trouble-free operation this manual should be carefully studied.

The term Left and Right hand applies to the machine when coupled to the tractor and

viewed from the rear, this also applies to the tractor.

Highway

The highway model has a comprehensive specification to meet the requirements of

high output roadside verge mowing. This includes a high visibility paint finish, mono

lever controls, rubber safety flaps, cowl wear plate, and the award winning Autopilot

control system.

If the Highway is to be used for hedge cutting, the optional adjustable front guard

should be fitted, and the auto pilot assembly removed between the dipper arm and

head, replaced with the standard head bracket.

Spearhead

Excel 606, 686, 726 & 836

Specification

Spearhead

Excel 606

Excel 686

Excel 726

Excel 836

Weight including oil (kg)

1823

1980

2040

2060

Tractor (hp)

90-160

120-180

130-180

135-200

Minimum tractor weight (kg)

4000

4200

4500

5000

Oil tank capacity

265

A reach (m)

6.1

6.8

7.3

8.3

B reach (m)

6.8

7.6

7.8

8.7

C reach (m)

4.5

5.5

6.5

D reach (m)

5.1

5.9

6.1

E reach (m)

5.4

6.1

6.6

7.6

Excel 606, 686, 726 & 836

Machine Safety Stickers

Spearhead

Warning

Danger – flying objects

keep safe distance from

the machine as long as

the engine is running.

Warning

Shut off engine and remove

key before performing

maintenance or repair work.

Warning

Avoid fluid escaping

under pressure. Consult

technical manual for

services procedures.

Warning

Carefully read operator’s

manual before handling this

machine. Observe

instructions and safety rules

when operating.

Warning

Stay clear of mower flails.

Warning

Do not remove / open

guard..

Warning

Beware of overhead

electrical power line.

Excel 606, 686, 726 & 836

Safety Recommendations

Beware of the following Potential Dangers associated with the use

of this machine:

•Becoming trapped when hitching or unhitching

•Tractor overbalancing when arm is extended

•Electrocution due to hitting overhead power lines

•Getting caught on rotating power take off (PTO)

•Being hit or caught by any moving part, e.g. belts, pulleys, arms, cutting head

•Being hit by flying debris or machine parts due to machine damage

•Machine overbalancing when not in use

•Injection of high pressure oil from damaged couplings or hydraulic hoses

•Accidents due to collision with other machines, or debris left on road

Always

•Ensure the operator has read this handbook and has been trained to use the

machine.

•Ensure all cab safety guards are in place and all tractor windows closed.

•Before leaving the tractor cab always ensure that the flail head is firmly on the

ground, no weight is on the machine’s hydraulics and the rotor has stopped

spinning.

•Check that all guards are properly fitted and there are no damaged or loose

parts. Particular attention should be given to the flails to ensure they are not

damaged, cracked or missing.

•Inspect work area for wire, steel posts, large stones and other dangerous

materials and remove before starting work.

•Beware of the danger of overhead power cables. The operator must be

aware of the maximum height and reach of the machine when working under

power cables. The minimum legal height for 11,000 and 22,000-volt cables is

5.2 metres from the ground. When fully extended, the machine may well

exceed this height so extreme caution should be practised. For more

information contact the Health and Safety Executive or your local power

company.

•Ensure that all warning labels are always visible and that they are not

damaged, defaced or missing..

•Lower the head to the ground when parking up

•Fit locking pins to slew and height before transport and before unhitching

when applicable.

•Wear ear defenders if operating without a quiet cab or with the cab windows

open.

•Ensure tractor guards are fitted correctly and are undamaged

•Work at a safe speed, taking into account terrain, passing vehicles and

obstacles

•Ensure that the tractor meets the minimum weight recommendations of the

machine manufacturer and that ballast is used if necessary

•Check that machine fittings and couplings are in good condition

•Follow the manufacturer’s instructions for attachment and removal of machine

from the tractor

•Use clear warning signs to alert others to the type of machine working in the

vicinity. Signs should be placed at both ends of the work site and should be in

accordance with Department of Transport recommendations.

Spearhead

Excel 606, 686, 726 & 836

•Ensure flails are of the type recommended by the manufacturer, are securely

fitted and are undamaged.

•Ensure hydraulic pipes are correctly routed to avoid damage from chafing,

stretching, pinching or kinking.

•Disengage the machine, stop the engine and remove the key before leaving

the tractor cab for any reason.

•Clean up any debris left at the work site.

•Ensure that when you remove the machine from the tractor it is secured in a

safe position using the stands provided.

Never

•Never operate the machine with other people present, as it is possible for

debris, including stones, to be discharged from the front and rear of the flail

head.

•Never operate the machine until you have read and understood the relevant

Handbook and are familiar with the controls.

•Never use a machine that is poorly maintained or has guards that are

damaged or missing

•Never allow an inexperienced person to operate the machine without

supervision.

•Never use or fit a machine onto a tractor if it doesn’t meet the manufacturer’s

specification.

•Never use a machine if the hydraulic system shows signs of damage.

•Never attempt to detect a hydraulic leak with your hand, use a piece of card.

•Never allow children to play on or around the machine at any time.

•Never attempt any maintenance or adjustment without first disengaging the

PTO, lowering the head to the ground, stopping the tractor engine and

applying the tractor parking brake.

•Never leave the cab without removing the ignition key.

•Never operate the tractor or any controls from any position other than from

the driving seat.

•Never stop the engine with the PTO engaged.

•Never operate with flails missing.

•Never operate PTO above recommended speed, 540 R.P.M.

•Never operate with wire around the rotor. Stop immediately.

•Never use the head at an angle, which may throw debris towards the cab.

•Never attempt to use the machine for any purpose other than that it was

designed for.

•Never transport with the PTO engaged

•Never enter the working area of the machine (risk of injury!)

•Never transport with the controls live, always turn off electrical isolator switch

(red) and disconnect supply.

Spearhead

Excel 606, 686, 726 & 836

Front Mounted Machines

When using a front mounted machine, the operator should be aware that the

immediate work area is further away from his point of vision than a rear mounted

machine. Extra care should be taken when using this type of machine and the

intended work area should be thoroughly scrutinised immediately prior to work, to

check for potential hidden hazards. Hazards that cannot be removed should be

clearly marked to be made visible from the tractor cab.

Cutting heads will throw debris either forwards or backwards and it is vital that

suitable safety guards are fitted to protect either the operator, bystanders, or

property. Any side guarding fitted to the tractor should be fitted so that it does not

impede the operator’s view of the work area. Contact your tractor manufacturer or

local dealer for further advice.

Lighting Kits

For additional safety, rear mounted lighting kits are available from Spearhead if not

already fitted as standard. For more detailed information, contact the Department of

Transport or your local Highways Authority

Warning Signs

You are advised to display clear warning signs to indicate the type of machine when

working in public places. The signs should be carefully placed at either end of the

work site to give advanced warning of the hazard.

Contact your local Highways Authority or Department of Transport for more

information.

Roadwork guidelines:

On two-way roads, one set of signs should face the traffic in each direction.

Work should be within 1 mile of the signs.

Work only when visibility is good and at times of low risk, e.g. NOT during rush hour.

Vehicles should show an amber flashing light.

Vehicles should be conspicuously colored.

Debris should be removed from the road or path at regular intervals and the operator

should wear high visibility clothing.

Collect all warning signs promptly when the job is finished.

Training

It is the responsibility of the Spearhead dealer to provide instruction on the safe installation,

operation and maintenance of the machine in the first instance. Further training is available

from Spearhead Machinery Ltd on request, at cost.

Spearhead

Excel 606, 686, 726 & 836

Tractor requirements

•Check your tractor size and minimum weight on the Specification table (page

•Before hitching, ensure position control is selected. DO NOT attempt to hitch

in draft control.

•Set wheel width as wide as possible.

•Front and offside ballast weight is to be fitted within tractor manufacturer’s

recommended requirements.

•Check chains and stabilisers must be in good working order

to hold the machine firmly. Do not operate without ensuring

that chains and stabilisers are tight.

•Spearhead particularly recommend ‘turn buckle’ type

stabiliser.

•Before fitting a front mounted machine to your tractor, seek

advice from your manufacturer or dealer to check it’s

suitability and whether additional linkage, ballast, or weight

requirements may be needed.

•A linkage isolation facility is necessary for all models. Set linkage lift rods to

an equal length.

•All machines require a 12v fused supply. A 30 amp DIN connector is

provided, but if not, the lead should be taken directly to the vehicle battery.

Avoid cigarette lighter plugs as they are unsuitable. The supply cable has a

red wire for positive (+ve) and black wire for negative (-ve)

•Spearhead particularly recommend “Category 2” three point linkage of ball

end type, we do not advise the use of claw type hitching. The quick release

latches should be checked, if worn or insecure they may cause accidental

damage or personal injury if the machine becomes detached.

•The machine is sold to suit Cat. 2 linkage, some modification may be

necessary before mounting on Category 3 linkage.

•Ensure tractor link arms can be isolated from accidental lifting.

Lifting Points

Spearhead

Note

For machines fitted with an oil cooler it

is important to connect a separate lead

direct from the battery to the oil cooler

box.

Excel 606, 686, 726 & 83610

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