Mec MME30-RJ Guida

Part # 96265

June 2023

Serial Number Range

18300000 - Up

Service & Parts Manual

MME30-RJ

ART_5993

Page i MME30-RJ - Service & Parts Manual

June 2023

Revision History

Date Reason for Update

March 2023 New Release

1401 S. Madera Avenue, Kerman, CA 93630 USA

Toll Free: 1-877-632-5438

Phone: 1-559-842-1500

Fax: 1-559-842-1520

[email protected]

www.MECawp.com

MEC Aerial Work Platforms

Page ii MME30-RJ - Service & Parts Manual

June 2023

Table of Contents

Chapter 1 - Service 1

Service Introduction 1

Section 1 - MEC Operator Policy 2

MEC Operator Policy 2

Section 2 - Safety Symbols & General Safety Tips 3

Safety Symbols & General Safety Tips 3

Section 3 - Specications 4

Specications 4

Section 4 - Torque Specications 5

BoltTorqueSpecication-AmericanStandard 5

BoltTorqueSpecication-MetricStandard 6

Section 5 - Hydraulic, Electrical, and Total Systems 7

Hydraulic,Electrical,andTotalSystems 7

Section 6 - Component Locations 8

Component Locations 8

Emergency System 9

Transportandliftinginstructions 10

Section 9 - Maintenance 12

MaintenanceInspectionReport 12

DailyMaintenance 13

QuarterlyMaintenance 15

Semi-annualMaintenance 25

YearlyMaintenance 27

Section 10 - Fault Codes 29

FaultCodeList 29

Section 11 - Schematics 33

HydraulicSchematic 33

ElectricalSchematic 34

Chapter 2 - Parts 35

Parts Introduction 35

Section 12 - Chassis 36

ChassisCoversInstallation 36

ChassisAssembly 38

SteerLinkageandWheelAssembly 40

PotholeProtectionAssembly 42

Page iii MME30-RJ - Service & Parts Manual

June 2023

Section 13 - Turntable 44

TurntableandChassisInstallation 44

TurntableCoversInstallation 46

TurntableAssembly 48

RightAccessoryAssembly 50

HydraulicPowerUnitAssembly 52

HydraulicPowerUnit 54

EmergencyLoweringManifold,Danfoss 56

EmergencyLoweringManifold,Doyle 58

EmergencyLoweringManifold,Yuethai 60

LeftAccessoryAssembly 62

GroundControlBoxAssembly 64

BatteryTraysInstallation 66

Section 14 - Mast 68

MastAssembly 68

Mast1Assembly 70

Mast2Assembly 72

WireRopeAssembly 74

Mast3Assembly 76

Mast4Assembly 78

Mast5Assembly 80

Mast6Assembly 82

LiftingChainAssembly 84

(2-4)MastPulleyAssembly 86

(4-6)MastPulleyAssembly 88

(1-3)MastPulleyAssembly 90

(3-5)MastPulleyAssembly 92

Section 15 - Platform 94

PlatformandMastInstallation 94

PlatformandJibAssembly 96

JibAssembly 98

PlatformAssembly 100

PlatformControlBoxAssembly 102

Section 16 - Hydraulic System 104

LiftCylinderAssembly 104

JibCylinderAssembly,Doyle 106

JibCylinderAssembly,Danfoss 108

JibCylinderAssembly,Yuethai 110

HydraulicHosesandFittings 112

Section 17 - Electrical System 114

ElectricalHarness,Part1 114

ElectricalHarness,Part2 116

PowertoPlatform 118

Section 18 - Decals 120

Decals 120

Page1 MME30-RJ - Service & Parts Manual

June 2023

Service Introduction

This Service section is designed to provide you, the customer, with the instructions needed to

properly maintain the MEC self-propelled aerial work platform. When used in conjunction with the

illustrated Parts section in this manual and the Operator’s Manual (provided separately), this manual

will assist you in making necessary adjustments and repairs, and identifying and ordering the correct

replacement parts.

All parts represented here are manufactured and supplied in accordance with MEC quality

standards. We recommend that you use genuine MEC parts to ensure proper operation and reliable

performance.

To obtain maximum benets from your MEC Aerial Work Platforms, always follow the proper

operating and maintenance procedures. Only trained authorized personnel should be allowed to

operate or service this machine. Service personnel should read and study the Operator’s, and the

Service and Parts Manuals in order to gain a thorough understanding of the unit prior to making any

repairs.

Chapter1-Service

Page 2 MME30-RJ - Service & Parts Manual

June 2023

MEC Operator Policy

Note: Thebestmethodtoprotectyourselfandothersfrominjuryordeathistousecommonsense.

Ifyouareunsureofanyoperation,don’t startuntilyouaresatisedthatitissafetoproceed

andhavediscussedthesituationwithyoursupervisor.

Service personnel and machine operators must understand and comply with all warnings and

instructional decals on the body of the machine, at the ground controls, and platform control console.

MODIFICATIONS OF THIS MACHINE FROM THE ORIGINAL DESIGN AND

SPECIFICATIONS WITHOUT WRITTEN PERMISSION FROM MEC ARE

STRICTLY FORBIDDEN. A MODIFICATION MAY COMPROMISE THE

SAFETY OF THE MACHINE, SUBJECTING OPERATOR(S) TO SERIOUS

INJURY OR DEATH.

MEC’s policies and procedures demonstrate our commitment to Quality and our relentless ongoing

e󰀨orts towards Continuous Improvement, due to which product specications are subject to change

without notice.

Any procedures not found within this manual must be evaluated by the individual to assure oneself

that they are “proper and safe.”

Your MEC Aerial Work Platform has been designed, built, and tested to provide many years of safe,

dependable service. Only trained, authorized personnel should be allowed to operate or service the

machine.

MEC, as manufacturer, has no direct control over machine application and operation. Proper safety

practices are the responsibility of the user and all operating personnel.

If there is a question on application and/or operation, contact MEC Aerial Work Platforms:

1401 S. Madera Avenue, Kerman, CA 93630 USA

Toll Free: 1-877-632-5438

Phone: 1-559-842-1500

Fax: 1-559-842-1520

[email protected]

www.MECawp.com

MEC Aerial Work Platforms

MEC Operator Policy

Section1-MECOperatorPolicy

Page 3 MME30-RJ - Service & Parts Manual

June 2023

Safety Symbols & General Safety Tips

MEC manuals and decals use symbols, colors and signal words to help you recognize important

safety, operation and maintenance information.

RED and the word DANGER – Indicates an imminently hazardous

situation which, if not avoided, will result in death or serious injury.

ORANGE and the word WARNING – Indicates a potentially hazardous

situation which, if not avoided, could result in death or serious injury.

YELLOW with alert symbol and the word CAUTION – Indicates a

potentially hazardous situation which, if not avoided, may result in minor

or moderate injury.

YELLOW without alert symbol and the word CAUTION – Indicates a

potentially hazardous situation which, if not avoided, may result in

property damage.

GREEN and the word NOTICE – Indicates operation or maintenance

information.

Regular inspection and constant maintenance is the key to e󰀩cient economical operation of your

aerial work platform. It will help to assure that your equipment will perform satisfactorily with a

minimum of service and repair.

The actual operating environment of the machine governs the inspection schedule. Correct lubrication

is an essential part of the preventative maintenance to minimize wear on working parts and ensure

against premature failure. By maintaining correct lubrication, the possibility of mechanical failure and

resulting downtime is reduced to a minimum.

• Never leave hydraulic components or hoses open. They must be protected from contamination

(including rain) at all times.

• Never open a hydraulic system when there are contaminants in the air.

• Always clean the surrounding area before opening hydraulic systems.

• Use only recommended lubricants. Improper lubricants or incompatible lubricants may be as

harmful as no lubrication.

• Watch for makeshift “xes” which can jeopardize safety as well as lead to more costly repair.

Safety Symbols & General Safety Tips

Section2-SafetySymbols&GeneralSafetyTips

Page4 MME30-RJ - Service & Parts Manual

June 2023Section3-Specications

Specications

Height, Working Maximum1Indoor 36 ft 11 m

Outdoor 34 ft 10.3 m

Height, Platform Maximum Indoor 30 ft 9.1 m

Outdoor 27 ft 8.2 m

Maximum Personnel Indoor 1

Outdoor 1

Manual Force Indoor 45 lbs 200 N

Outdoor 45 lbs 200 N

Maximum Wind Speed Indoor 0 mph 0 m/s

Outdoor 28 mph 12.5 m/s

Height, Stowed Maximum 6.52 ft 1.99 m

Height, Guard Rails 3.6 ft 1.1 m

Width 3.28 ft 1.0 m

Length, Stowed 8.59 ft 2.62 m

Platform Dimensions (Length × Width) 39 in × 31 in 1.0 m × 0.79 m

Maximum Load Capacity 500 lbs 227 kg

Wheelbase 4 ft 1.22 m

Turntable Rotation 345°

Jib Working Range 130°

Turning Radius 5.90 ft 1.8 m

Ground Clearance 2.36 in 6 cm

Weight 6,500 lbs 2,950 kg

Power Source 24V 200A/H AGM

System Voltage 24V

Controls Proportional

Maximum Hydraulic Pressure 2,900 psi 200 bar

Tire Size 15 × 5 in 381 × 127 mm

Airborne Noise Emissions2<70 dB

Maximum Slope Rating, Stowed Position325%

Maximum Side Slope Rating, Stowed

Position310%

Tilt Sensor Setting 2.0 Side 2.5 Inline

Drive Speeds

Stowed, Maximum 2.8 mph 4.5 km/h

Platform Raised, Maximum 0.31 mph 0.5 km/h

Floor Loading Information

Tire Load, Maximum42,100 lbs 950 kg

Tire Contact Pressure4230 psi 16.2kg/cm2

Occupied Floor Pressure4248 psf 1,211kg/m2

Meets requirements of ANSI A92.20-2020 and CSA B354.6-2019.

1Working Height adds 6 feet (2 m) to platform height.

2Maximum sound level at normal operating workstations (A-weighted)

3Slope rating is subject to ground conditions and adequate traction.

4 Floor loading information is approximate and does not incorporate di󰀨erent option congurations.

Specications

Page5 MME30-RJ - Service & Parts Manual

June 2023Section4-TorqueSpecications

Bolt Torque Specication - American Standard

Fasteners

Use the following values to apply torque unless a specic torque value is called out for the part being

used.

American Standard Cap Screws

SAE Grade 58

Cap Screw

Size (inches)

ART_5816A

ART_5816B

Torque Torque

Ft. Lbs Nm Ft. Lbs Nm

Min Max Min Max Min Max Min Max

1/4 - 20 6.25 7.25 8.5 10 8.25 9.5 11 13

1/4 - 28 8 9 11 12 10.5 12 14 16

5/16 - 18 14 15 19 20 18.5 20 25 27

5/16 - 24 17.5 19 12 26 23 25 31 34

3/8 - 16 26 28 35 38 35 37 47.5 50

3/8 - 24 31 34 42 46 41 45 55.5 61

7/16- 14 41 45 55.5 61 55 60 74.5 81

7/16 - 20 51 55 69 74.5 68 75 92 102

1/2 - 13 65 72 88 97.5 86 96 116 130

1/2 - 20 76 84 103 114 102 112 138 152

9/16 - 12 95 105 129 142 127 140 172 190

9/16 - 18 111 123 150 167 148 164 200 222

5/8 - 11 126 139 171 188 168 185 228 251

5/8 - 18 152 168 206 228 203 224 275 304

3/4 - 10 238 262 322 255 318 350 431 474

3/4 - 16 274 302 371 409 365 402 495 544

7/8 - 9 350 386 474 523 466 515 631 698

7/8 - 14 407 448 551 607 543 597 736 809

1- 8 537 592 728 802 716 790 970 1070

1 - 14 670 740 908 1003 894 987 1211 1137

Torque values apply to fasteners as received from the supplier, dry or when lubricated with

normal engine oil.

If special graphite grease, moly-disulphide grease, or other extreme pressure lubricants are

used, these torque values do not apply.

Bolt Torque Specication - American Standard

Page6 MME30-RJ - Service & Parts Manual

June 2023Section 4 - Torque Specications

Bolt Torque Specication - Metric Standard

Fasteners

Use the following values to apply torque unless a specic torque value is called out for the part being

used

Metric Cap Screws

Metric Grade 8.8 10.9

Cap Screw Size

(Millimeters)

8.8

ART_5816C

10.9

ART_5816D

Torque Torque

Ft. Lbs Nm Ft. Lbs Nm

Min Max Min Max Min Max Min Max

M6 × 1.00 68811 911 12 15

M8 × 1.25 16 20 21.5 27 23 27 31 36.5

M10 × 1.50 29 35 39 47 42 52 57 70

M12 × 1.75 52 62 70 84 75 91 102 123

M14 × 2.00 85 103 115 139 120 146 163 198

M16 × 2.50 130 158 176 214 176 216 238 293

M18 × 2.50 172 210 233 284 240 294 325 398

M20 × 2.50 247 301 335 408 343 426 465 577

M22 × 2.50 332 404 450 547 472 576 639 780

M24 × 3.00 423 517 573 700 599 732 812 992

M27 × 3.00 637 779 863 1055 898 1098 1217 1488

M30 × 3.00 872 1066 1181 1444 1224 1496 1658 2027

Torque values apply to fasteners as received from the supplier, dry or when lubricated with

normal engine oil.

If special graphite grease, moly-disulphide grease, or other extreme pressure lubricants are

used, these torque values do not apply.

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