Mec MMAE16 Guida

Part # 95811

April 2022

Service & Parts Manual

Serial Number Range

17400000 - Up

MMAE16

ART_5805A

Page i MMAE16 - Service & Parts Manual

April 2022

Revision History

Date Reason for Update

April 2022 New Release

1401 S. Madera Avenue, Kerman, CA93630 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 MMAE16 - Service & Parts Manual

April 2022

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 - Specifications . . . . . . . . . . . . . . . 4

Specifications.....................4

Section 4 - Torque Specifications . . . . . . . . . . . . . 5

Bolt Torque Specification - American Standard . . . . . . . . . . . . 5

Bolt Torque Specification - Metric Standard . . . . . . . . . . . . . 6

Section 5 - Maintenance Safety. . . . . . . . . . . . . . 7

Maintenance Safety . . . . . . . . . . . . . . . . . . . 7

Section 6 - Electrical System and Total System . . . . . . . . . 8

Electrical System and Total System . . . . . . . . . . . . . . . 8

Section 7 - Machine Components . . . . . . . . . . . . . 9

Machine Components . . . . . . . . . . . . . . . . . . . 9

Section 8 - Emergency Systems and Procedures. . . . . . . . . 10

Emergency Systems and Procedures . . . . . . . . . . . . . . . 10

Section 9 - Transport and Lifting Instructions. . . . . . . . . . 11

Transport and Lifting Instructions . . . . . . . . . . . . . . . . 11

Section 10 - Maintenance . . . . . . . . . . . . . . . 13

Pre-start Inspection Report . . . . . . . . . . . . . . . . . 13

Maintenance Inspection Report . . . . . . . . . . . . . . . . 14

Daily Maintenance. . . . . . . . . . . . . . . . . . . . 15

Quarterly Maintenance . . . . . . . . . . . . . . . . . . 17

Semi-annual Maintenance. . . . . . . . . . . . . . . . . . 27

Yearly Maintenance . . . . . . . . . . . . . . . . . . . 28

Section 11 - Control System . . . . . . . . . . . . . . 29

Control Component Locations. . . . . . . . . . . . . . . . . 29

FaultCodes.....................30

Parameter Adjustment. . . . . . . . . . . . . . . . . . . 32

Section 12 - Schematics . . . . . . . . . . . . . . . 35

Electrical Schematic . . . . . . . . . . . . . . . . . . . 35

Page iii MMAE16 - Service & Parts Manual

April 2022

Chapter 2 - Parts . . . . . . . . . . . . . . 37

Parts Introduction .................37

Section 13 - Chassis.................38

Steer Linkage and Wheels Assembly Installation . . . . . . . . . . . . 38

Steer Linkage and Wheels Assembly . . . . . . . . . . . . . . . 40

Drive Wheel Assembly. . . . . . . . . . . . . . . . . . . 42

Pothole Protection Assembly . . . . . . . . . . . . . . . . . 44

Electric Control Assembly . . . . . . . . . . . . . . . . . . 46

Motor Controller Assembly . . . . . . . . . . . . . . . . . 48

Ground Control Assembly . . . . . . . . . . . . . . . . . . 50

Chassis Accessory Installation . . . . . . . . . . . . . . . . 52

Section 14 - Mast . . . . . . . . . . . . . . . . . 54

Mast and Chassis Installation . . . . . . . . . . . . . . . . . 54

MastAssembly ....................56

Mast 1 Assembly . . . . . . . . . . . . . . . . . . . . 58

Mast 2 Assembly . . . . . . . . . . . . . . . . . . . . 60

Mast 3 Assembly . . . . . . . . . . . . . . . . . . . . 62

Mast 4 Assembly . . . . . . . . . . . . . . . . . . . . 64

Mast 5 Assembly . . . . . . . . . . . . . . . . . . . . 66

(1-3) Mast Lifting Chain Installation . . . . . . . . . . . . . . . 68

(2-4) Mast Lifting Chain Installation . . . . . . . . . . . . . . . 70

(3-5) Mast Lifting Chain Installation . . . . . . . . . . . . . . . 72

Electric Cylinder Installation . . . . . . . . . . . . . . . . . 74

Section 15 - Platform . . . . . . . . . . . . . . . . 76

Platform and Mast Installation . . . . . . . . . . . . . . . . . 76

Main Platform Assembly . . . . . . . . . . . . . . . . . . 78

Platform Extension Assembly . . . . . . . . . . . . . . . . . 80

Platform Locking Device Assembly . . . . . . . . . . . . . . . 82

Platform Control Box Assembly . . . . . . . . . . . . . . . . 84

Section 16 - Electrical System . . . . . . . . . . . . . . 86

Electrical Harness . . . . . . . . . . . . . . . . . . . . 86

Section 17 - Decal . . . . . . . . . . . . . . . . . 88

Decals.......................88

Page 1 MMAE16 - Service & Parts Manual

April 2022

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 benefits 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 MMAE16 - Service & Parts Manual

April 2022

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 satisfied 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

efforts towards Continuous Improvement, due to which product specifications 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, CA93630 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 MMAE16 - Service & Parts Manual

April 2022

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 efficient 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.

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

harmful as no lubrication.

Watch for makeshift “fixes” 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 MMAE16 - Service & Parts Manual

April 2022

Specifications

Height, Working Maximum* Indoor 22 ft 6.7 m

Outdoor 18 ft 5.5 m

Height, Platform Maximum Indoor 16 ft 4.9 m

Outdoor 12 ft 3.7 m

Height Stowed Maximum 78.3 in 2 m

Guard Rails 43.3 in 1.1 m

Maximum Personnel Indoor 1

Outdoor 1

Manual Force Indoor 45 lbs 200 N

Outdoor 45 lbs 200 N

Width 30 in 0.76 m

Length, Stowed 57 in 1.45 m

Platform Dimensions (Length × Width) 40 × 30 in 1.02 × 0.76 m

Platform Extension Length 20 in 0.5 m

Maximum Load Capacity 500 lbs 227 kg

Platform Extension Load Capacity 250 lbs 113 kg

Maximum Wind Speed 28 mph 12.5 m/s

Wheelbase 47.6 in 1.21 m

Turning Radius Outside 70.8 in 1.8 m

Inside 23.6 in 0.6 m

Ground Clearance 2.5 in 6.4 cm

Ground Clearance (Pothole Guards Deployed) 0.55 in 1.4 cm

Weight** (See Serial Label) 2,170 lbs 985 kg

Maximum Wheel Load 800 lbs 363 kg

Controls Proportional

AC Outlet In Platform Standard

Power Source 2×12V 115Ah AGM

System Voltage 24 V

Tire Size 9×3.1 in 230×80 mm

Airborne Noise Emissions <70 dB (A-weighted)

Maximum sound level at normal operating workstations

Vibration value does not exceed 2.5m/s2

Maximum Slope Rating, Stowed Position*** 25%

Maximum Side Slope Rating, Stowed Position*** 10%

Warning Slope X-1.5°, Y-3°

Drive Speeds

Stowed, Maximum 2.5 mph 4.0 km/h

Platform Raised, Maximum 0.5 mph 0.8 km/h

Floor Loading Information

Tire Load, Maximum 800 lbs 363 kg

Tire Contact Pressure Loaded 148 psi 10.4kg/cm2(1,020 kPa)

Unloaded 120 psi 8.5kg/cm2(834 kPa)

Occupied Floor Pressure **** 225 psf 0.11kg/m2(10.8 kPa)

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

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

**Weight may increase with certain options.

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

****Occupied floor pressure with deck extended is 168 psf - 0.08kg/m2(8 kPa).

Section 3 - Specifications Specifications

Page 5 MMAE16 - Service & Parts Manual

April 2022

Bolt Torque Specification - American Standard

Fasteners

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

used.

American Standard Cap Screws

SAE Grade 5 8

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, molydisulphide grease, or other extreme pressure lubricants are

used, these torque values do not apply.

Section 4 - Torque Specifications

Bolt Torque Specification - American Standard

Page 6 MMAE16 - Service & Parts Manual

April 2022Section 4 - Torque Specifications

Bolt Torque Specification - Metric Standard

Fasteners

Use the following values to apply torque unless a specific 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 6 8 8 11 9 11 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, molydisulphide grease, or other extreme pressure lubricants are

used, these torque values do not apply.

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