MULTIQUIP LS450 Manuel utilisateur

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associated parts manual, visit our website at:

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OPERATION MANUAL

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

Revision #2 (02/23/21)

SERIES

MODEL LS450

CONCRETE PUMP

(HATZ 4H50 DIESEL ENGINE)

PAGE 2 — MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21)

PROPOSITION 65 WARNING

MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21) — PAGE 3

Grinding/cutting/drilling of masonry, concrete, metal and

other materials with silica in their composition may give

off dust or mists containing crystalline silica. Silica is a

basic component of sand, quartz, brick clay, granite and

numerous other minerals and rocks. Repeated and/or

substantial inhalation of airborne crystalline silica can

cause serious or fatal respiratory diseases, including

silicosis.Inaddition, California and some other

authorities have listed respirable crystalline silica as a

substance known to cause cancer. When cutting such

materials, always follow the respiratory precautions

mentioned above.

WARNING

Grinding/cutting/drilling of masonry, concrete, metal and

other materials can generate dust, mists and fumes

containing chemicals known to cause serious or fatal

injury or illness, such as respiratory disease, cancer,

birth defects or other reproductive harm. If you are

unfamiliar with the risks associated with the particular

process and/or material being cut or the composition of

the tool being used, review the material safety data

sheet and/or consult your employer, the material

manufacturer/supplier, governmental agencies such as

OSHA and NIOSH and other sources on hazardous

materials. California and some other authorities, for

instance, have published lists of substances known to

cause cancer, reproductive toxicity,or other harmful

effects.

Control dust, mist and fumes at the source where

possible. In this regard use good work practices and

follow the recommendations of the manufacturers or

suppliers, OSHA/NIOSH, and occupational and trade

associations.Water should be used for dust

suppression when wet cutting is feasible. When the

hazards from inhalation of dust, mists and fumes cannot

be eliminated, the operator and any bystanders should

always wear a respirator approved by NIOSH/MSHA for

the materials being used.

WARNING

SILICOSIS WARNING RESPIRATORY HAZARDS

SILICOSIS/RESPIRATORY WARNINGS

PAGE 4 — MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21)

TABLE OF CONTENTS

LS450 Concrete Pump

Proposition 65 Warning ........................................... 2

Silicosis/Respiratory Warnings ................................ 3

Table of Contents..................................................... 4

Safety Information ............................................. 5–10

Speciﬁcations ........................................................ 11

Dimensions............................................................ 12

Important Hand Signals......................................... 13

General Information......................................... 14–20

Components (Pump) ....................................... 22–25

Components (Digital Control Panel) ................ 26–28

Components (Engine)............................................ 29

Inspection ........................................................ 30–32

Setup ..................................................................... 33

Operation......................................................... 34–39

Maintenance.................................................... 40–53

Trailer Maintenance ......................................... 54–57

Trailer Guidelines............................................. 58–72

Appendix — Concrete Mix Information............ 73–75

Troubleshooting (Pump) .................................. 76–77

Troubleshooting (Engine)....................................... 78

Troubleshooting (Hydraulic Brakes)....................... 79

Troubleshooting (Electrical) ................................... 80

Component Locator (Hopper Vibrator Option)....... 82

Wiring Diagram (Hopper Vibrator Option).............. 83

Component Locator (Hydraulic System)................ 84

Hydraulic System Diagram .................................... 85

Electrical Component Locator (Wiring Diag. #1) ... 86

Wiring Diagram #1 (External Control Box) ............ 87

Electrical Component Locator (Wiring Diag. #2) ... 88

Wiring Diagram #2 (External Control Box) ............ 89

NOTICE

Speciﬁcations are subject to change without notice.

MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21) — PAGE 5

SAFETY INFORMATION

Do not operate or service the equipment before reading

the entire manual. Safety precautions should be followed

at all times when operating this equipment.

Failure to read and understand the safety

messages and operating instructions could

result in injury to yourself and others.

SAFETY MESSAGES

The four safety messages shown below will inform you

about potential hazards that could injure you or others.The

safety messages speciﬁcally address the level of exposure

to the operator and are preceded by one of four words:

DANGER, WARNING, CAUTION

or NOTICE.

SAFETY SYMBOLS

DANGER

Indicates a hazardous situation which, if not avoided,

WILL result in DEATH or SERIOUS INJURY.

WARNING

Indicates a hazardous situation which, if not avoided,

COULD result in DEATH or SERIOUS INJURY.

CAUTION

Indicates a hazardous situation which, if not avoided,

COULD result in MINOR or MODERATE INJURY.

NOTICE

Addresses practices not related to personal injury.

Potential hazards associated with the operation of this

equipment will be referenced with hazard symbols which

may appear throughout this manual in conjunction with

safety messages.

OFF

Lethal Exhaust Gas Hazards

Explosive Fuel Hazards

Burn Hazards

Respiratory Hazards

Accidental Starting Hazards

Eye and Hearing Hazards

Pressure Hazards

Symbol Safety Hazard

Rotating Parts Hazards

Hydraulic Fluid Hazards

PAGE 6 — MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21)

SAFETY INFORMATION

GENERAL SAFETY

CAUTION



NEVER operate this equipment without proper protective

clothing, shatterproof glasses, respiratory protection,

hearing protection, steel-toed boots and other protective

devices required by the job or city and state regulations.



NEVER operate this equipment when not

feeling well due to fatigue, illness or when

on medication.



NEVER operate this equipment under the inﬂuence of

drugs or alcohol.

NOTICE



This equipment should only be operated by trained and

qualiﬁed personnel 18 years of age and older.



Whenever necessary, replace nameplate, operation and

safety decals when they become difﬁcult read.



Manufacturer does not assume responsibility for any

accident due to equipment modiﬁcations. Unauthorized

equipment modiﬁcation will void all warranties.



NEVER use accessories or attachments that are not

recommended by Multiquip for this equipment. Damage

to the equipment and/or injury to user may result.



ALWAYS know the location of the nearest

ﬁre extinguisher.



ALWAYS know the location of the nearest

ﬁrst aid kit.



ALWAYS know the location of the nearest phone or keep

a phone on the job site. Also, know the phone numbers

of the nearest ambulance, doctor and ﬁre department.

This information will be invaluable in the case of an

emergency.

PUMP SAFETY

DANGER

NEVER

pump volatile, explosive, ﬂammable or low ﬂash

point ﬂuids. These ﬂuids could ignite or explode.



The engine fuel exhaust gases contain poisonous carbon

monoxide. This gas is colorless and odorless, and can

cause death if inhaled.



The engine of this equipment requires an adequate free

ﬂow of cooling air. NEVER

operate this equipment in any

enclosed or narrow area

where free ﬂow of the air is

restricted. If the air ﬂow is

restricted it will cause injury

to people and property and

serious damage to the

equipment or engine.

NEVER operate the equipment in an explosive

atmosphere or near combustible materials.An

explosion or ﬁre could result causing severe

bodily harm or even death.

WARNING

NEVER

pump corrosive chemicals or water containing

toxic substances. These ﬂuids could create serious

health and environmental hazards. Contact local

authorities for assistance.

NEVER

operate the pump with closed discharge hose.

The liquid could reach boiling temperatures, build

pressure, and cause the casing to rupture or explode.

NEVER disconnect any

emergency or safety devices.

These devices are intended for operator safety.

Disconnection of these devices can cause

severe injury,

bodily harm or even death

. Disconnection of any of

these devices will void all warranties.

DANGEROUS

GAS FUMES

MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21) — PAGE 7

SAFETY INFORMATION

CAUTION



NEVER lubricate components or attempt service on a

running machine.



NEVER block or restrict flow from discharge hose.

Remove kinks from discharge line before starting pump.

Operation with a blocked discharge line can cause water

to overheat.



DO NOT operate this equipment unless the hopper grate,

guards and safety devices are attached and in place.



CAUTION must be exercised while servicing this

equipment. Rotating and moving parts can cause injury

if contacted.



Keep hands out of the hopper when the engine is

running.

NOTICE



In winter drain water from the lubrication box to prevent

freezing.



ALWAYS be sure the operator is familiar with proper

safety precautions and operation techniques before

using pump.



Keep all inexperienced and unauthorized people away

from the equipment at all times.



Before start-up, check the hopper and remove all foreign

matter and debris.



DO NOT use worn or damaged hose couplings, inspect

all hoses and couplings for wear. Replace any worn or

defective hoses or couplings immediately.



Unauthorized equipment modifications will void all

warranties.



Check all fasteners periodically for tightness. Also check

towing tongue bolt, lock nut and wheel lug nuts for wear.



Test the pump’s emergency stop switch. The purpose

of this test is to shut down the engine in the event of an

emergency.

Refer to the Engine Owner’s Manual for engine technical

questions or information recommended by Multiquip for

this equipment. Damage to the equipment and or injury

to user may result.

ALWAYS

remove the ignition key when leaving the pump

unattended.

ALWAYS

block the wheels on the unit when using on

a slope.

ALWAYS

use properly rated hoses and clamps —

1,500 PSI or higher.

ALWAYS

allow the pump a proper amount of time to

cool before servicing.

ALWAYS keep the machine in proper running condition.

ALWAYS ensure pump is on level ground before use.



Fix damage to machine and replace any broken parts

immediately.

ALWAYS

store equipment properly when it is not being

used. Equipment should be stored in a clean, dry location

out of the reach of children and unauthorized personnel.

ENGINE SAFETY

WARNING

DO NOT

place hands or fingers inside engine

compartment when engine is running.

NEVER

operate the engine with heat shields or

guards removed.

DO NOT remove the engine oil drain plug

while the engine is hot. Hot oil will gush

out of the oil tank and severely scald any

persons in the general area of the pump.

CAUTION

NEVER touch the hot exhaust manifold,

mufﬂer or cylinder. Allow these parts to cool

before servicing equipment.

PAGE 8 — MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21)

SAFETY INFORMATION

NOTICE



NEVER run engine without an air ﬁlter or with a dirty air

ﬁlter. Severe engine damage may occur. Service air ﬁlter

frequently to prevent engine malfunction.



NEVER tamper with the factory settings

of the engine or engine governor. Damage

to the engine or equipment can result

if operating in speed ranges above the

maximum allowable.

FUEL SAFETY

DANGER



DO NOT start the engine near spilled fuel or combustible

ﬂuids. Fuel is extremely ﬂammable and its vapors can

cause an explosion if ignited.



ALWAYS refuel in a well-ventilated area, away from

sparks and open ﬂames.



ALWAYS use extreme caution when working with

ﬂammable liquids.



DO NOT ﬁll the fuel tank while the engine is running

or hot.



DO NOT overﬁll tank, since spilled fuel could ignite if it

comes into contact with hot engine parts or sparks from

the ignition system.



Store fuel in appropriate containers, in well-ventilated

areas and away from sparks and ﬂames.



NEVER use fuel as a cleaning agent.



DO NOT smoke around or near the

equipment. Fire or explosion could result

from fuel vapors or if fuel is spilled on a

hot engine.

BATTERY SAFETY

DANGER

DO NOT

drop the battery. There is a possibility that the

battery will explode.

DO NOT expose the battery to open ﬂames,

sparks, cigarettes, etc.The battery contains

combustible gases and liquids. If these

gases and liquids come into contact with a

ﬂame or spark, an explosion could occur.

WARNING

ALWAYS wear safety glasses when

handling the battery to avoid eye irritation.

The battery contains acids that can cause

injury to the eyes and skin.

Use well-insulated gloves when picking up

the battery.

ALWAYS

keep the battery charged. If the battery is not

charged, combustible gas will build up.

DO NOT

charge battery if frozen. Battery can explode.

When frozen, warm the battery to at least 61°F (16°C).

ALWAYS

recharge the battery in a well-ventilated

environment to avoid the risk of a dangerous concentration

of combustible gases.

If the battery liquid (dilute sulfuric acid)

comes into contact with clothing or skin,

rinse skin or clothing immediately with

plenty of water.



If the battery liquid (dilute sulfuric acid) comes into

contact with eyes

, rinse eyes immediately with plenty

of water and contact the nearest doctor or hospital to

seek medical attention.

CAUTION

ALWAYS disconnect the

NEGATIVE battery terminal

before performing service on the equipment.

ALWAYS

keep battery cables in good working condition.

Repair or replace all worn cables.

MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21) — PAGE 9

SAFETY INFORMATION

TRANSPORTING SAFETY

CAUTION



NEVER allow any person or animal to stand underneath

the equipment while lifting.

NOTICE



Before lifting, make sure that the equipment parts are not

damaged and screws are not loose or missing.



ALWAYS make sure forklift forks are inserted into pockets

(if applicable) as far as possible when lifting the pump.



ALWAYS shut down engine before transporting.



NEVER lift the equipment while the engine is running.



Tighten fuel tank cap securely to prevent fuel from

spilling.



Use one-point suspension hook and lift straight upwards.



DO NOT lift machine to unnecessary heights.



ALWAYS tie down equipment during transport by

securing the equipment with straps, rope or chains.

TOWING SAFETY

CAUTION



Check with your local county or state safety

towing regulations, in addition to meeting

Department of Transportation (DOT)

SafetyTowing Regulations,before towing

your pump.



In order to reduce the possibility of an accident while

transporting the pump on public roads, ALWAYS make

sure the trailer that supports the pump and the towing

vehicle are mechanically sound and in good operating

condition.



ALWAYS shut down engine before towing.



Make sure the hitch and coupling of the towing vehicle

are rated equal to or greater than the trailer gross vehicle

weight rating.



ALWAYS inspect the hitch and coupling for wear. NEVER

tow a trailer with defective hitches, couplings, chains, etc.

Check the tire air pressure on both towing vehicle and

trailer.

Trailer tires should be inﬂated to 80 psi cold.

Also check the tire tread wear on both vehicles.

ALWAYS make sure the trailer is equipped with a

safety

chain.

ALWAYS properly

attach trailer’s safety chains to towing

vehicle.

ALWAYS

make sure the vehicle and trailer directional,

backup, brake and trailer lights are connected and

working properly.

DOT requirements include the following:

• Connect and test electric brake operation.

• Secure portable power cables in cable tray with tie

wraps.

The maximum speed for highway towing is 55 MPH

unless

posted otherwise. Recommended off-road towing is not

to exceed 15 MPH or less depending on type of terrain.



Avoid sudden stops and starts. This can cause skidding

or jack-kniﬁng. Smooth, gradual starts and stops will

improve towing.

Avoid sharp turns to prevent rolling.



Trailer should be adjusted to a level position at all times

when towing.



Raise and lock trailer wheel stand in up position when

towing.

Place chock blocks

underneath wheels to prevent

rolling while parked.

Place support blocks

underneath the trailer’s bumper

to prevent tipping while parked.



Use the trailer’s swivel jack to adjust the trailer height to

a level position while parked.

PAGE 10 — MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21)

ENVIRONMENTAL SAFETY/DECOMMISSIONING

NOTICE

Decommissioning is a controlled process used to safely

retire a piece of equipment that is no longer serviceable.

If the equipment poses an unacceptable and unrepairable

safety risk due to wear or damage, or is no longer cost

effective to maintain (beyond life-cycle reliability) and is to

be decommissioned (demolition and dismantlement), be

sure to follow the rules below.



DO NOT pour waste or oil directly onto the ground, down

a drain or into any water source.



Contact your country’s Department of Public

Works or recycling agency in your area and

arrange for proper disposal of any electrical

components, waste or oil associated with

this equipment.



When the life cycle of this equipment is over, remove

battery and bring to appropriate facility for lead

reclamation. Use safety precautions when handling

batteries that contain sulfuric acid.



When the life cycle of this equipment is over, it is

recommended that the frame and all other metal parts

be sent to a recycling center.

Metal recycling involves the collection of metal from

discarded products and its transformation into raw

materials to use in manufacturing a new product.

Recyclers and manufacturers alike promote the process

of recycling metal. Using a metal recycling center

promotes energy cost savings.

EMISSIONS INFORMATION

NOTICE

The diesel engine used in this equipment has been

designed to reduce harmful levels of carbon monoxide

(CO), hydrocarbons (HC) and nitrogen oxides (NOx)

contained in diesel exhaust emissions.

This engine has been certiﬁed to meet US EPA evaporative

emissions requirements in the installed conﬁguration.

Attempting to modify or make adjustments to the engine

emission system by unauthorized personnel without proper

training could damage the equipment or create an unsafe

condition.

Additionally, modifying the fuel system may adversely affect

evaporative emissions, resulting in ﬁnes or other penalties.

Emission Control Label

The emission control label is an integral part of the emission

system and is strictly controlled by regulations.

The label must remain with the engine for its entire life.

If a replacement emission label is needed, please contact

your authorized engine distributor.

SAFETY INFORMATION

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