Mec 4907 Guida

Part # 94123

April 2023

Serial Number Range

16300001 - 16307699

Service & Parts Manual

1330SE

ART_4907

Page i 1330SE - Service & Parts Manual

April 2023

Revision History

Date Reason for Update

June 2016 New Release

July 2017 New Style Ground Control

April 2019 Platform Controls Update

May 2019 Steering Components Correction, Lift Cylinder Assembly Update

August 2019 Continuous Update

November 2019 Added Hindley Platform Controls

December 2019 Added Vent Kit

February 2020 Added Platform Control Box, From Serial #16305919

Updated Platform Extension Assembly

March 2020 Added 41932 to Hydraulic Power Unit

August 2020 Corrections and Update

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 1330SE - Service & Parts Manual

April 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

Hydraulic Components Torque Table � � � � � � � � � � � � � � � 7

Section 5 - Maintenance Lock . . . . . . . . . . . . . . 8

Maintenance Lock � � � � � � � � � � � � � � � � � � � � 8

Section 6 - Hydraulic, Electrical and Total System . . . . . . . . 9

Hydraulic, Electrical and Total System � � � � � � � � � � � � � � 9

Section 7 - Primary Machine Components. . . . . . . . . . . 10

Primary Machine Components � � � � � � � � � � � � � � � � 10

Section 8 - Emergency Systems And Procedures . . . . . . . . 11

Emergency Systems And Procedures � � � � � � � � � � � � � � � 11

Free-Wheel Conguration For Winching Or Towing � � � � � � � � � � � 12

Lift And Support The Machine � � � � � � � � � � � � � � � � � 13

Section 9 - Maintenance. . . . . . . . . . . . . . . . 14

Machine Maintenance – General � � � � � � � � � � � � � � � � 14

Pre-Start Inspection Checklist � � � � � � � � � � � � � � � � � 15

Frequent Inspection Checklist � � � � � � � � � � � � � � � � � 16

Annual Inspection Checklist � � � � � � � � � � � � � � � � � 22

Section 10 - Control System . . . . . . . . . . . . . . 25

Control Component Locations� � � � � � � � � � � � � � � � � 25

Fault Codes � � � � � � � � � � � � � � � � � � � � � 26

Troubleshooting Table � � � � � � � � � � � � � � � � � � � 30

Parameter Adjustment � � � � � � � � � � � � � � � � � � � 31

Menu Screen Display � � � � � � � � � � � � � � � � � � � 32

Calibration Screen Display � � � � � � � � � � � � � � � � � 33

Section 11 - Schematics. . . . . . . . . . . . . . . . 38

Hydraulic Schematic � � � � � � � � � � � � � � � � � � � 38

Hydraulic Unit � � � � � � � � � � � � � � � � � � � � � 39

Page iii 1330SE - Service & Parts Manual

April 2023

Electrical Schematic � � � � � � � � � � � � � � � � � � � 40

Control Harness, 1 Of 2 � � � � � � � � � � � � � � � � � � 41

Control Harness, 2 Of 2 � � � � � � � � � � � � � � � � � � 42

Pin Identication, ECU Harness Plug � � � � � � � � � � � � � � � 43

Pin Identication, Motor Controller ECU2 Harness Plug � � � � � � � � � � 44

Pin Identication, Main Harness Plugs � � � � � � � � � � � � � � 45

Pin Identication, Platform Controls, COM Cable � � � � � � � � � � � � 46

Pin Identication, Chassis Connections � � � � � � � � � � � � � � 47

Wiring Diagram � � � � � � � � � � � � � � � � � � � � 48

Chapter 2 - Parts � � � � � � � � � � � � � � 49

Parts Introduction . . . . . . . . . . . . . . . . . 49

Section 12 - Chassis. . . . . . . . . . . . . . . . . 50

Chassis Assembly � � � � � � � � � � � � � � � � � � � � 50

Pothole Protection Assembly � � � � � � � � � � � � � � � � � 52

Steering Components � � � � � � � � � � � � � � � � � � � 54

Drive Wheel Assembly� � � � � � � � � � � � � � � � � � � 56

Component Tray - To Serial #16300001-16301160 � � � � � � � � � � � 58

Component Tray - From Serial #16301161 � � � � � � � � � � � � � 60

Hydraulic Power Unit � � � � � � � � � � � � � � � � � � � 62

Lower Controls - From Serial #16301161 � � � � � � � � � � � � � � 64

Section 13 - Scissor . . . . . . . . . . . . . . . . . 66

Scissor Installation� � � � � � � � � � � � � � � � � � � � 66

Scissor Assembly � � � � � � � � � � � � � � � � � � � � 68

Section 14 - Platform . . . . . . . . . . . . . . . . 70

Platform Installation � � � � � � � � � � � � � � � � � � � 70

Main Platform Assembly � � � � � � � � � � � � � � � � � � 72

Platform Extension Assembly � � � � � � � � � � � � � � � � � 74

Platform Extension Lock � � � � � � � � � � � � � � � � � � 76

Platform Controls � � � � � � � � � � � � � � � � � � � � 78

Hindley Platform Controls � � � � � � � � � � � � � � � � � � 80

Platform Control Box, From Serial #16305919 � � � � � � � � � � � � 82

Section 15 - Hydraulics . . . . . . . . . . . . . . . . 84

Lift Cylinder Assembly � � � � � � � � � � � � � � � � � � � 84

Hoses & Fittings � � � � � � � � � � � � � � � � � � � � 86

Electrical Harness � � � � � � � � � � � � � � � � � � � � 88

Section 16 - Decals . . . . . . . . . . . . . . . . . 90

Decals � � � � � � � � � � � � � � � � � � � � � � � 90

Page 1 1330SE - Service & Parts Manual

April 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 1330SE - Service & Parts Manual

April 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, 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 1330SE - Service & Parts Manual

April 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 1330SE - Service & Parts Manual

April 2023

Specications

Working Height* 19 ft 6 m

Platform Height 13 ft 4 m

Maximum Drive Height 13 ft 4 m

Stowed Height Top Guardrail 74 in 1.9 m

Platform Floor 35 in 0.9 m

Guardrail Height 39 in 1 m

Toeboard Height 6 in 15 cm

Machine Weight** (Unloaded) 1,900 lb 860 kg

Lift Capacity Total 530 lb 240 kg

Deck Extension Capacity 1 Person / 250lb (113 kg)

Maximum Occupants 2

Length-Stowed (Overall) 58 in 1.5 m

Length-Stowed (Ladder Removed) 51 in 1.3 m

Platform Length (Extended) 75 in 1.9 m

Platform Length (Retracted) 51 in 1.3 m

Width (Overall) 30 in 76 cm

Platform Width (Outside) 27.5 in 70 cm

Wheel Base 41 in 1 m

Turning Radius - Inside 18 in 45 cm

Ground Clearance - Stowed 2.5 in 6 cm

Ground Clearance - Elevated 0.6 in 1.5 cm

Drive Speed (Proportional) Stowed 0-2.5 mph 0-4 km/h

Raised or Extended 0-0.7 mph 0-1.1 km/h

Gradability 25%/14°

Maximum Side Slope - Stowed 5°

Ground Pressure/Wheel 112 psi 7.9 kg/cm2

Maximum Wheel Load 730 lb 331 kg

Occupied Floor Pressure 234 psf 1,138 kg/m2

Maximum Operating Wind Speed 28 mph / 12.5 m/sec (45 km/h)

Tire Size 9 × 3 inch/230 × 80mm

Lug Nut Torque 19 ft-lb / 25.5 Nm, secured with cotter pin

Hydraulic Pressure 2250 psi/ 155 bar

Power System Voltage 24 Volt DC

Battery Charger Input 110-230 VAC, 50-60 Hz

Output 24 Volt DC

Batteries Two 12-Volt deep cycle; 85Ah

Meets applicable requirements of ANSI A92.6-2006.

*Working Height adds 6 feet (2 m) to platform height. **Weight may increase with certain options.

*** Uniform Pressure of 1330SE can be reduced to 111.2 (542.93 kg/sq.M) (unloaded) to 142.2 (694.3 kg/

sq.M) (loaded) by extending the slide out platform

Section 3 - Specications

Specications

Page 5 1330SE - Service & Parts Manual

April 2023

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 5 8

Cap Screw

Size (inches) 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 Specications

Bolt Torque Specication - American Standard

Page 6 1330SE - Service & Parts Manual

April 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 9.01

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, molydisulphide grease, or other extreme pressure lubricants are

used, these torque values do not apply.

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