Mec Micro 26 Guide

Part # 43549
April 2019
Service & Parts Manual
Micro 26
Serial Number Range
17100001 - Up
ART_5484

Page i Micro 26 - Service & Parts Manual
April 2019
Revision History
Date Reason for Update
April 2019 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 Micro 26 - Service & Parts Manual
April 2019
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
Hydraulic Components Torque Table . . . . . . . . . . . . . . . 7
Section 5 - Maintenance Lock . . . . . . . . . . . . . 8
Maintenance Lock . . . . . . . . . . . . . . . . . . . . 8
Section 6 - Hydraulic, Electrical, and Total Systems . . . . . . . 10
Hydraulic, Electrical, and Total Systems . . . . . . . . . . . . . . 10
Section 7 - Components Locations . . . . . . . . . . . . 11
Component Locations . . . . . . . . . . . . . . . . . . . 11
Section 8 - Emergency Systems and Procedures . . . . . . . . 12
Emergency Systems and Procedures . . . . . . . . . . . . . . . 12
Section 9 - Transporting and Lifting Instructions . . . . . . . . 13
Transporting and Lifting Instructions . . . . . . . . . . . . . . . 13
Driving or Winching onto or off of a Transport Vehicle. . . . . . . . . . . 14
Securing to Truck or Trailer for Transport . . . . . . . . . . . . . . 15
Lifting Instructions . . . . . . . . . . . . . . . . . . . . 16
Lift and Support the Machine . . . . . . . . . . . . . . . . . 17
Section 10 - Calibration Instructions . . . . . . . . . . . 18
Calibration Instructions . . . . . . . . . . . . . . . . . . 18
Section 11 - Maintenance . . . . . . . . . . . . . . 20
General Machine Maintenance . . . . . . . . . . . . . . . . 20
Lubrication......................33
Section 12 - Control Components . . . . . . . . . . . . 34
Control Component Locations. . . . . . . . . . . . . . . . . 34
Section 13 - Battery Charger . . . . . . . . . . . . . 35
Battery Charger . . . . . . . . . . . . . . . . . . . . 35

Page iii Micro 26 - Service & Parts Manual
April 2019
Section 14 - Fault Codes. . . . . . . . . . . . . . . 36
FaultCodes.....................36
Section 15 - Parameter Adjustments . . . . . . . . . . . 40
Parameter Adjustment. . . . . . . . . . . . . . . . . . . 40
Section 16 - Schematics . . . . . . . . . . . . . . . 44
Electrical Schematic . . . . . . . . . . . . . . . . . . . 44
Electrical Connection Diagram . . . . . . . . . . . . . . . . 45
Hydraulic Schematic . . . . . . . . . . . . . . . . . . . 46
Chapter 2 - Parts . . . . . . . . . . . . . . 47
Parts Introduction ................47
Section 17 - Chassis ................48
Steer Linkage and Wheels Assembly . . . . . . . . . . . . . . . 48
Pothole Protection Assembly . . . . . . . . . . . . . . . . . 50
Battery Pack Module . . . . . . . . . . . . . . . . . . . 52
Power Unit Module . . . . . . . . . . . . . . . . . . . 54
Hydraulic Tank Assembly . . . . . . . . . . . . . . . . . . 56
Motor Controller Assembly . . . . . . . . . . . . . . . . . 58
Rear Wheel and Ladder . . . . . . . . . . . . . . . . . . 60
Charger Assembly . . . . . . . . . . . . . . . . . . . . 62
Ground Control and Limit Switch . . . . . . . . . . . . . . . . 64
Ground Control Assembly . . . . . . . . . . . . . . . . . . 66
Section 18 - Scissor . . . . . . . . . . . . . . . . 68
Scissor Assembly . . . . . . . . . . . . . . . . . . . . 68
Section 19 - Platform. . . . . . . . . . . . . . . . 70
Main Platform Assembly . . . . . . . . . . . . . . . . . . 70
Platform Extension Assembly . . . . . . . . . . . . . . . . . 72
Platform Locking Device Assembly . . . . . . . . . . . . . . . 74
Platform Control Box Assembly . . . . . . . . . . . . . . . . 76
Section 20 - Hydraulic System . . . . . . . . . . . . . 78
Lower Lift Cylinder Assembly . . . . . . . . . . . . . . . . . 78
Upper Lift Cylinder Assembly . . . . . . . . . . . . . . . . . 80
Function Manifold . . . . . . . . . . . . . . . . . . . . 82
Hydraulic Hoses and Fittings . . . . . . . . . . . . . . . . . 84
Section 21 - Electrical System . . . . . . . . . . . . . 86
Electrical Harness . . . . . . . . . . . . . . . . . . . . 86
Power to Platform . . . . . . . . . . . . . . . . . . . . 88
Section 22 - Decals . . . . . . . . . . . . . . . . 90
Decal Locations . . . . . . . . . . . . . . . . . . . . 90

Page 1 Micro 26 - Service & Parts Manual
April 2019
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 Micro 26 - Service & Parts Manual
April 2019
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 Micro 26 - Service & Parts Manual
April 2019
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.
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 “fixes” which can jeopardize safety as well as lead to more costly repair.
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Safety Symbols & General Safety Tips
Section 2 - Safety Symbols & General Safety Tips

Page 4 Micro 26 - Service & Parts Manual
April 2019
Specifications
Working Height* 32 ft 9.45 m
Platform Height 26 ft 7.62 m
Stowed Height Top Guardrail 90.3 in 2.3 m Rails Folded 78.75 in 2 m
Platform Floor 47 in 1.2 m
Guardrail Height 43.5 in 1.1 m
Toeboard Height 6 in 0.15 m
Ground Clearance (Stowed) 3 in 7.62 cm
Length-Stowed Overall 74 in 1.88 m
Ladder Removed 68 in 1.73 m
Chassis Width 31.9 in .81 m
Platform Length Extended 103.5 in 2.63 m
Retracted 68 in 1.73 m
Roll-Out Deck Length 35.5 in 0.9 m
Platform Width (Outside) 29.1 in .74 m
Wheelbase 55 in 1.4 m
Total Lift Capacity 500 lbs 227 kg
Personnel Capacity 2
Roll-Out Deck Capacity 250 lbs 113 kg
Raise/Lower Speed 30/25 sec
Drive Speed Stowed 2.5 mph 4 km/h
Elevated .5 mph .8 km/h
Gradeability 25% 14 degrees
Wind Rating Indoor Only
Turning Radius (Inside) 6 in 15 cm
Weight** 4190 lbs 1900 kg
Power Source 24 V DC, 240 Ah Battery Pack
Controls Proportional
Tires 12 in x 5 in 30 cm x 12.5 cm
*Metric equivalent of working height adds 2m to platform height. U.S. adds 6 ft. to platform height.
**Weight may vary with certain options or configurations.
Meets or exceeds the requirements of ANSI A92.20-2018 and CSAB354.6.17.
Section 3 - Specifications Specifications

Page 5 Micro 26 - Service & Parts Manual
April 2019
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) 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 Micro 26 - Service & Parts Manual
April 2019Section 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
9.01
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.