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Page 55

Mast Seres - Servce & Parts Manual

May 2021

Secton 15 - Chasss

Pothole Protection Assembly

Pothole Protection Assembly

Mast Series

Art_5748

ILLUSTRATION No.

13 12

Summary of Contents for Mast Series

Page 1: ...Service Parts Manual Part 95568 May 2021 MME20 Serial Number Range 17200000 Up MME25 Serial Number Range 17300000 Up Mast Series Art_5671 ...

Page 2: ...ual May 2021 Revision History Date Reason for Update May 2021 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 info MECawp com www MECawp com MEC Aerial Work Platforms ...

Page 3: ...ection 6 Hydraulic Electrical and Total System 9 Hydraulic Electrical and Total System 9 Section 7 Machine Components 10 Machine Components 10 Section 8 Emergency Systems and Procedures 11 Emergency Systems and Procedures 11 Section 9 Transport and Lifting Instructions 12 Brake Release Instructions 12 Transport and Lifting Instructions 13 Crane Lifting Instructions 14 Section 10 Maintenance 15 Gen...

Page 4: ...Component Installation 63 Hydraulic Tank Assembly 65 Section 16 Mast 67 Mast and Chassis Installation 67 Mast Assembly MME20 69 Mast Assembly MME25 71 Lifting Chain Assembly MME20 75 Lifting Chain Assembly MME25 77 Pulley Assembly 5 7 Mast MME20 79 Pulley Assembly 2 4 Mast 81 Pulley Assembly 1 3 Mast 83 Pulley Assembly 4 6 Mast MME25 85 Pulley Assembly 3 5 Mast 87 Sequencing Cable Assembly MME2 89...

Page 5: ...Page iv Mast Series Service Parts Manual May 2021 Section 20 Decals 107 Decal Locations 107 ...

Page 6: ...d 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...

Page 7: ...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 ...

Page 8: ... 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...

Page 9: ...rtional AC Outlet In Platform Standard Standard Maximum Hydraulic Pressure Functions 2 610 psi 180 bar 2 610 psi 180 bar System Voltage 24V 24V Driving Wheels 12 7 3 9 in 323 100 mm 12 7 3 9 in 323 100 mm Airborne Noise Emissions 70 dB Maximum sound level at normal operating workstations A weighted Vibration Value Does Not Exceed 2 5 m s2 2 5 m s2 Maximum Slope Rating Stowed Position Fore Aft 25 2...

Page 10: ...5 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 7...

Page 11: ...6 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 ...

Page 12: ...he Hydraulic Components Torque Table Parts drawings and service instructions in this manual Packaging and instruction sheets provided with new parts Instruction manuals provided by the manufacturer of the component being serviced Type SAE Port Series Cartridge Poppet Fittings Hoses Ft lbs Nm Ft lbs Nm In lbs Nm 4 N A N A N A N A 135 145 15 16 6 N A N A 10 20 14 27 215 245 24 28 8 25 30 31 41 25 30...

Page 13: ... used to enable the extending structure to be held in the required position to prevent the work platform from falling NEVER perform work or inspection on the machine with the platform elevated without first supporting the platform with either a forklift or a crane Alternatively use a 2 4 or recommended a 4 4 piece of wood to support the mast section that is attached to the platform Section 5 Maint...

Page 14: ... When the negative cable is installed a spark will occur if contact is made between the positive side of the battery and a metal surface on the machine This can cause damage to the electrical system battery explosion and personal injury Total System FAILURE TO PERFORM PREVENTIVE MAINTENANCE AT RECOMMENDED INTERVALS MAY RESULT IN THE UNIT BEING OPERATED WITH A DEFECT THAT COULD RESULT IN INJURY OR ...

Page 15: ...latform Guard Rails Main Platform Front Wheel Rear Wheel Covers Covers Open To Show Interior Masts Assembly Emergency Lowering Knob Ground Control Panel Main Power Switch Batteries Charger Chassis Tie Down Points Forklift Pockets Batteries Hydraulic Unit Motor Controller Pothole Protection Device Art_5671A Machine Components Section 7 Machine Components ...

Page 16: ...s and the platform control box Press the EMERGENCY STOP switch at any time to stop all machine functions Pull switch to reset Either switch will stop all machine functions Both switches must be reset or machine will not operate ART_3353 Emergency Lowering To lower the platform pull the Emergency Lowering Knob located near the bottom of the front of the machine where the Base Control panel is locat...

Page 17: ...ified forklift operators should lift the machine with a forklift Be sure the crane capacity loading surfaces and straps or lines are sufficient to withstand the machine weight See the serial plate for the machine weight Brake Release Operation Chock the wheels to prevent the machine from rolling Pull out the red Emergency Stop button on both the ground and platform controls to the ON position Pres...

Page 18: ... straps Use chains or straps of ample load capacity Do not overtighen chain binders Lifting the Machine with a Forklift Be sure the extension deck controls and component trays are secure Remove all loose items on the machine Fully lower the platform The platform must remain lowered during all loading and transport procedures Art_5671B Use the forklift pockets located at the rear of the machine Pos...

Page 19: ...ight See the serial plate for the machine weight Fully lower the platform Be sure the extension deck control box and component trays are secure Remove all loose items on the machine Make sure the platform and chassis E stops are depressed Use the lifting eye mounted on the rear mast column Make sure the mast is fully lowered Inspect the entire machine and remove any loose or unsecured items Adjust...

Page 20: ...CK SEE THE INTRODUCTION PORTION OF THIS MANUAL PERFORM SCHEDULED MAINTENANCE AT RECOMMENDED INTERVALS FAILURE TO PERFORM SCHEDULED MAINTENANCE AT RECOMMENDED INTERVALS MAY RESULT IN A DEFECTIVE OR MALFUNCTIONING MACHINE AND MAY RESULT IN INJURY OR DEATH OF THE OPERATOR KEEP MAINTENANCE RECORDS CURRENT AND ACCURATE IMMEDIATELY REPORT ANY DAMAGE DEFECT UNAUTHORIZED MODIFICATION OR MALFUNCTION TO YOU...

Page 21: ...ses fittings cylinders and manifolds Battery pack and connections Drive motors Rollers and slide blocks on masts Tires and wheels Lifting chains and idler wheels Mast and mast braces Limit switches alarms and horn Nuts bolts and other fasteners Platform entry gate and guard rail Alarms and beacons Platform extension Platform Control Panel Pothole guard Wire Check entire machine for Cracks in welds...

Page 22: ...hecklists for each type of scheduled inspection Make copies of the Pre delivery Preparation report to use for each inspection Store completed forms as required Maintenance Schedule The types of maintenance inspections that must be performed according to the schedule are daily quarterly semi annually and annually Maintenance Inspection Report The maintenance inspection report contains checklists fo...

Page 23: ... manufacturer s specifications Scheduled maintenance inspections shall be performed by qualified service technicians according to the manufacturer s specifications and the requirements listed in this manual Instructions Use the operator s manual on your machine The Pre delivery Preparation consists of completing the Pre operation Inspection the Maintenance items and the Function Tests Use this for...

Page 24: ...llegible Remove the machine from service until the manual is replaced Open the operator s manual to the decals inspection section Carefully and thoroughly inspect all decals on the machine for legibility and damage Result The machine is equipped with all required decals and all decals are legible and in good condition Result The machine is not equipped with all required decals or one or more decal...

Page 25: ...erform the following maintenance procedures Inspect the Tires and Wheels 5 Grease the Steer Yokes Tools will be required to perform this procedure New parts will be required to perform this procedure This procedure is to be performed every 100 hours of operation Regular application of lubrication to the steer yokes is essential to good machine performance and service life Continued use of an insuf...

Page 26: ...Adding terminal protectors and a corrosion preventative sealant will help eliminate corrosion on the battery terminals and cables Be sure that the battery retainers and cable connections are tight Fully charge the batteries Allow the batteries to rest 24 hours before performing this procedure to allow the battery cells to equalize Models are equipped with maintenance free batteries If models have ...

Page 27: ...ear Replace as required Connect the battery charger to a properly grounded 110 230V 50 60 Hz single phase AC power supply Result The charger should operate and begin charging the batteries Result If simultaneously the charger alarm sounds and the LEDs blink correct the charger connections at the fuse and battery The charger will then operate correctly and begin charging the batteries Note For best...

Page 28: ...d position and turn the machine off 3 Inspect the Tires and Wheels including castle nut torque Tools will be required to perform this procedure New parts will be required to perform this procedure This procedure is to be performed every 3 months or every 250 hours whichever comes first Maintaining the tires and wheels in good condition is essential to safe operation and good performance Tire and o...

Page 29: ...ant designed for chain lubrication for best results Lubricated chains are essential to good machine performance and safe operation Extremely dirty conditions may require that the chains be cleaned and lubricated more often The direct result of wearing the transmission chain is to stretch the total length of the chain Measure the stretching rate of the used transmission chain by eye every three mon...

Page 30: ...rom falling down 6 Clean and Lubricate the Columns Tools will be required to perform this procedure New parts will be required to perform this procedure Dealer service will be required to perform this procedure Use calcium sulfonate grease like CRC SL 35615 or equivalent Clean and properly lubricated columns are essential to good machine performance and safe operation Extremely dirty conditions ma...

Page 31: ...be performed every 3 months or every 250 hours whichever comes first Proper key switch action and response is essential to safe machine operation The machine can be operated from the ground or platform controls and the activation of one or the other is accomplished with the key switch Failure of the key switch to activate the appropriate control panel could cause a hazardous operating situation Pe...

Page 32: ...n Mark 2 test lines on the ground for reference Turn the key switch to platform control and pull out the red Emergency Stop button to the ON position at both the ground and platform controls Lower the platform to the stowed position Press the drive function select button on the upper controls ART_5785A Drive Function Select Button Choose a point on the machine i e contact patch of a tire as a visu...

Page 33: ...inish lines Bring the machine to top drive speed before reaching the start line Begin timing when your reference point on the machine crosses the start line Continue at full speed and note the time when your reference point on the machine passes over the finish line Refer to chart on next page 12 Test the Drive Speed Raised Position Tools will be required to perform this procedure This procedure i...

Page 34: ...hever comes first Replacement or testing of the hydraulic oil is essential for good machine performance and service life Dirty oil may cause the machine to perform poorly and continued use may cause component damage Extremely dirty conditions may require oil changes to be performed more often Before replacing the hydraulic oil the oil may be tested by an oil distributor for specific levels of cont...

Page 35: ...ing low pressure compressed air Repeat step 3 Install the breather cap onto the hydraulic tank Install the cover 15 Inspect the system of wire ropes Maintaining the system of wire ropes in good condition assures proper column sequencing Raise the platform approximately 6 6 ft 2 m Visually inspect condition of every wire rope and both ends Excessive corrosion or contamination Untightened wire ropes...

Page 36: ...imum platform capacity in the center of the platform floor Result The overload alarm at the platform controls should not sound indicating a normal condition Result The overload alarm at the platform controls sounds Calibrate the platform overload system See Calibration section for instructions Add an additional weight to the platform not to exceed 10 of the maximum rated load Result The overload a...

Page 37: ... months or every 500 hours whichever comes first The hydraulic tank is a vented type tank The breather cap has an internal air filter that can become clogged or over time can deteriorate If the breather cap is faulty or improperly installed impurities can enter the hydraulic system which may cause component damage Extremely dirty conditions may require that the cap be inspected more often Open the...

Page 38: ...d at the two year inspection test the oil quarterly Replace the oil when it fails the test Note Perform this procedure with the platform in the stowed position Disconnect the battery pack from the machine Fully lower the platform Electrocution burn hazard Contact with electrically charged circuits could result in death or serious injury Remove all rings watches and other jewelry Remove the cover T...

Page 39: ...ting and hydraulic hoses onto the hydraulic power pack and torque Fill the tank with hydraulic oil until the fluid is full in the hydraulic tank Do not overfill Activate the pump to fill the hydraulic system with oil and bleed the system of air Component damage hazard The pump can be damaged if operated without oil Be careful not to empty the hydraulic tank while in the process of filling the hydr...

Page 40: ...ions Platform Controls PCU Outdoor Limit Switch Indoor Limit Switch Covers Open To Show Interior Ground Control Panel Main Power Switch Battery Charger Power To Platform Batteries Hydraulic Unit Motor Controller Art_5671E Control Component Locations Section 11 Control System ...

Page 41: ... 2021 Section 11 Control System Fault Codes Fault Codes when present appear on the LED Indicator at the Upper Controls station and on the LED Screen at the Lower Controls station Art_5592 Lower Controls LED Indicator Upper Controls LED Indicator ...

Page 42: ...Models Newer Machines Check battery voltage check battery connections load test batteries replace batteries ONLY if necessary charge machine 42 Left Turn Switch ON At Power Up All Models Check joystick left steer button check platform controller replace joystick 43 Right Turn Switch ON At Power Up All Models Check joystick right steer button check platform controller replace joystick 46 Joystick E...

Page 43: ...oller 71 Motor Controller Main Contactor Fault All Models Check wiring to contactor check white black for connection voltage check drive motor and wiring check motor controller wiring 72 Motor Controller Over Voltage Fault All Models Check battery voltage battery charger must NOT be connected cycle power to machine replace motor controller 73 Motor Controller All Models Drive or lift motor may be ...

Page 44: ...switch off 86 Raised Brake Release Fault 1930SE ONLY Brake release switch engaged when elevated 87 Brake Release Switch Fault 1930SE ONLY Brake release switch is open 89 Drive Motor Field Open Fault All Models Check wiring on motors check wiring to motor controller 90 Over 90 Load Warning All Models Platform getting close to weight capacity 91 Left Drive Motor Short All Models Check wiring to moto...

Page 45: ... 16 12 GND1 BK 16 110 220VAC Input Charger Joystick Drive Joystick Deadman Steer Left Steer Right Lift Enable Drive Enable Low Speed Horn Switch Platform Ccntrol Module Lift Indicator Drive Indicator Low Speed Indicator Platform E STOP Buzzer Ground E STOP Left Pothole Switch Right Pothole Switch Key Switch Battery Relay Power Switch Beacon Tilt Sensor Pressure Sensor Lift Down Valve Overload Indi...

Page 46: ... Manual May 2021 Section 12 Schematics Hydraulic Schematic P M M SV2 FRV1 SV1 S1 S2 L T 80bar IN SV3 CV1 150bar SV1a SV1b Tank Pump Function Valve Filter Lower valve Sensor Steer Cylinder Lift Cylinder Platform overload Option Art_5784 ...

Page 47: ...mplete Calibrate Overload System Note The platform will lift automatically once the calibration has been initiated Be sure that there are no overhead obstructions when choosing a location on which to calibrate the overload system Note If a safety concern arises anytime during the automated lift lower sequence press the Emergency Stop switch immediately The procedure can be restarted once it is saf...

Page 48: ...ce weight in the center of the platform equal to rated platform capacity 500 LBS Turn the key switch to the Platform position This will prevent the platform from lifting during the next step Using the lower Lift Switch located on the lower control panel perform the following sequence of up and down movement of the toggle switch Do not operate the switch so slowly as to hold the switch more than 2 ...

Page 49: ...RIGHT TURN Increase or LEFT TURN Decrease button on the top of the Joystick 1 ART_5785E The value can be changed from 00 to 100 displays 9 9 with the buttons on top of the Joystick 2 ART_5785F Drive Low Speed Press DRIVE button Press and hold the LOW SPEED button to select Drive Low Speed adjustment Keep it held while adjusting the speed The display indicates present set value Adjust using the RIG...

Page 50: ...with the buttons on top of the Joystick Position Drive Speed Stowed 3 7 ft sec 1 11 m sec Raised 1 03 ft sec 0 31 m sec 2 ART_5785I Lift Speed Press LIFT button The LIFT LED indicates this mode is active Adjust the speed using the RIGHT TURN Increase or LEFT TURN Decrease button on top of the Joystick 1 ART_5785J The value can be changed from 00 to 100 displays 9 9 with the buttons on top of the J...

Page 51: ...lternatively flash on the display 2 ART_5785D Release LIFT and HORN buttons 3 ART_5785L PS will change to Lift Speed 4 ART_5785F Getting To The Machine Option Selection Mode Press and hold the LIFT and LOW SPEED buttons for 3 seconds to enter the Machine Option selection mode 1 ART_5785M SC is displayed when in Machine Option selection mode 2 ART_5785N Entering The Machine Option Selection Mode Mo...

Page 52: ...e flashing 2 ART_5785J The buttons on the top of the Joystick increase LEFT TURN button or decrease RIGHT TURN button the flashing digit 3 ART_5785O Press the HORN button the dot will disappear 4 ART_5785H Save The New Values Press the HORN button for 3 seconds to save changes Turn OFF power and ON to operate the machine with the new values 1 2 ART_5785P ...

Page 53: ...airs 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 auth...

Page 54: ...ies Service Parts Manual May 2021 Cover Installation Cover Installation Mast Series Art_5745 ILLUSTRATION No 12 1 2 3 4 5 6 7 4 5 10 8 5 9 11 8 5 9 13 14 15 16 17 18 19 20 21 3 4 9 Cover Installation Section 15 Chassis ...

Page 55: ...andard Flat Washer 58 6 44291 Left Plate 1 7 50445 Screw HHCS M06 1 00 16 6 8 50028 Screw HHCS M06 1 00 20 24 9 50047 Nut NNYL M06 1 00 30 10 44292 Right Plate 1 11 44293 Hinge 4 12 44294 Right Cover 1 13 44295 Nylon Block 5 14 44296 Lock Catch 3 15 53224 Screw THMS M05 0 80 12 12 16 53038 WSHR M05 Standard Flat Washer 12 17 50524 Nut NNYL M05 0 80 12 18 44297 Left Cover 1 19 44298 Beacon 2 20 530...

Page 56: ...Parts Manual May 2021 Section 15 Chassis Steer Linkage and Wheels Assembly Steer Linkage and Wheels Assembly Mast Series Art_5746 ILLUSTRATION No 12 15 1 3 4 5 6 2 9 10 11 13 16 14 17 18 19 20 21 25 22 23 24 26 27 28 29 30 7 8 11 ...

Page 57: ...Tie Rod MME25 1 15 41593 Steer Cylinder Assembly 1 41594 Seal Kit 1 16 43076 Straight Fitting 2 17 53376 Screw HHCS 3 8 16 1 3 8 12 18 53316 WSHR 3 8 Spring Washer 12 19 53317 WSHR 3 8 Standard Flat Narrow Washer 12 20 44301 Steer Yoke Weldment 1 21 43558 Drive Motor Assembly 2 43559 Motor 1 43560 Reducer 1 43561 Brake 1 22 50236 Screw HHCS M12 1 50 35 10 23 53148 WSHR M12 Spring Washer 10 24 5000...

Page 58: ...ge 53 Mast Series Service Parts Manual May 2021 Section 15 Chassis Rear Wheel Assembly Rear Wheel Assembly Mast Series Art_5747 ILLUSTRATION No 20 21 12 11 10 9 8 7 5 6 4 3 2 1 13 14 15 16 17 22 23 18 19 ...

Page 59: ...7 53262 Castle Nut M22 1 50 2 8 41304 Washer 2 9 41024 Bearing 2 10 41025 Bearing Seat 2 11 41029 Bearing 2 12 43588 Seal 2 13 43585 Cotter Pin 2 14 44304 Spindle 2 15 50282 Screw HHCS M08 1 25 35 12 16 53055 WSHR M08 Spring Washer 12 17 50001 WSHR M08 Standard Flat Washer 12 18 41575 Plug 1 19 53263 Screw THMS M04 0 70 8 2 20 44556 Cover MME20 1 44557 Cover MME25 1 21 53377 Screw HHCS M04 0 70 10...

Page 60: ... 15 Chassis Pothole Protection Assembly Pothole Protection Assembly Mast Series Art_5748 ILLUSTRATION No 7 12 2 10 9 12 26 25 10 9 19 12 21 19 12 2 5 28 12 12 12 19 15 14 7 19 9 10 13 12 31 18 20 15 17 24 22 1 23 3 11 16 19 29 30 27 10 8 14 6 4 33 32 5 9 7 6 ...

Page 61: ...sher 8 10 50049 Nut NNYL M10 1 50 8 11 44308 Pothole Hole Plunger 1 12 44309 Bearing 16 13 44310 Pin 2 14 44311 Cotter Pin 4 15 44312 Pin 4 16 44313 Linkage Weldment 2 17 44314 Pothole Link Nut 2 18 44315 Pothole Link 2 19 44316 Washer 10 20 44317 Pin 2 21 44318 Pin 2 22 44319 Washer 2 23 44320 Pothole Guard Weldment 1 24 44321 Pin 2 25 44322 Gas Shock Strut 2 26 44323 Gas Shock 2 27 44324 Roller ...

Page 62: ...l May 2021 Section 15 Chassis Electrical Component Installation Electrical Component Installation Mast Series Art_5749 ILLUSTRATION No 26 18 27 14 29 2 28 19 17 11 8 6 25 7 20 21 1 22 23 24 9 10 11 12 13 9 10 11 1 3 4 5 11 10 11 15 9 16 A A ...

Page 63: ...Washer 10 11 53038 WSHR M05 Standard Flat Washer 22 12 44327 Switch Bracket 1 13 42074 Limit Switch 1 14 44328 Counterweight 2 15 44329 Bumper 2 16 50068 WSHR M06 Flat Fender Washer 2 17 50359 Screw SHCS M05 0 80 16 4 18 42904 Charger 1 19 50524 Nut NNYL M05 0 80 8 20 44582 Tilt Sensor 1 21 53173 Screw SHCS M05 0 80 10 2 22 53138 Screw SHCS M06 1 00 16 3 23 53046 WSHR M06 Spring Washer 3 24 50000 ...

Page 64: ...Page 59 Mast Series Service Parts Manual May 2021 Section 15 Chassis Ground Control Box Assembly Ground Control Box Assembly Mast Series Art_5750 ILLUSTRATION No 8 11 6 1 13 5 14 7 4 10 3 12 2 9 ...

Page 65: ...ol Box Weldment 1 6 41418 Key Switch 1 91574 Key 1 7 41420 Circuit Breaker 1 8 41421 Overload Indicator 1 9 43992 Select Switch 1 43993 Select Switch Head 1 43994 Base With 1 NO Contact 1 43096 NC Contact 1 10 41419 Toggle Switch 1 11 41422 Emergency Stop Switch 1 43098 Red Mushroom Head 1 43097 Base With 1 NC Contact 1 12 53383 Screw PHMS M05 0 80 6 4 13 44338 Decal Ground Control Panel 1 14 4433...

Page 66: ...Page 61 Mast Series Service Parts Manual May 2021 Section 15 Chassis Motor Controller Assembly Motor Controller Assembly Mast Series Art_5751 ILLUSTRATION No 15 14 6 7 5 1 13 12 8 2 9 3 10 4 4 2 3 11 11 ...

Page 67: ...000 WSHR M06 Standard Flat Washer 2 5 41074 Alarm 1 6 44336 Mounting Plate 1 7 41093 Motor Controller 1 8 53150 Screw SHCS M05 0 80 20 4 9 53043 WSHR M05 Spring Washer 4 10 53038 WSHR M05 Standard Flat Washer 4 11 53266 Screw THMS M05 0 80 6 3 12 41331 DC Contactor 1 13 53384 Screw PHMS M05 0 80 12 2 14 42432 200A Fuse Assembly 1 44014 200A Fuse 1 41092 Fuse Seat 1 15 41334 Relay 24V 1 ...

Page 68: ...ts Manual May 2021 Section 15 Chassis Hydraulic Component Installation Hydraulic Component Installation Mast Series Art_5752 ILLUSTRATION No 21 20 12 22 23 24 15 12 20 26 3 4 5 16 17 18 19 25 20 2 1 1 14 14 6 7 8 9 10 11 12 13 11 12 ...

Page 69: ...10 REF Hydraulic Tank Assembly Refer To Page 65 1 11 50048 Nut NNYL M08 1 25 4 12 50001 WSHR M08 Standard Flat Washer 10 13 44340 Hydraulic Tank Box 1 14 43576 Straight Fitting 2 15 41077 Filter Assembly 1 16 44341 Bracket 1 17 53116 Screw SHCS M05 0 80 12 2 18 53043 WSHR M05 Spring Washer 2 19 53038 WSHR M05 Standard Flat Washer 2 20 53055 WSHR M08 Spring Washer 8 21 53177 Screw SHCS M08 1 25 20 ...

Page 70: ...Page 65 Mast Series Service Parts Manual May 2021 Section 15 Chassis Hydraulic Tank Assembly Hydraulic Tank Assembly Mast Series Art_5753 ILLUSTRATION No 5 1 11 10 12 1 5 7 3 4 6 2 8 13 9 ...

Page 71: ...m Part Number Description Qty 1 41412 Washer 2 2 41085 Fitting 1 3 41413 Nut 1 4 41166 Fitting 1 5 44002 Washer 2 6 41167 Fitting 1 7 41082 Breather Dip Stick 1 8 44344 Tank 1 9 41087 Plug 1 10 41824 Filter 1 11 44568 Suction Pipe 1 12 44567 Seal Washer 1 13 41826 Fitting 1 ...

Page 72: ...Service Parts Manual May 2021 Mast and Chassis Installation Mast and Chassis Installation Mast Series Art_5754 ILLUSTRATION No 8 9 4 2 1 4 10 11 12 13 10 4 15 4 10 14 3 4 5 6 7 Mast and Chassis Installation Section 16 Mast ...

Page 73: ...02 WSHR M10 Standard Flat Washer 18 5 44345 Lifting Eye Plate 1 6 44346 Cover 2 7 53224 Screw THMS M05 0 80 12 8 8 50034 Screw HHCS M10 1 50 30 2 9 44347 Mast Backplate 1 10 50049 Nut NNYL M10 1 50 12 11 42402 Limit Switch 2 12 44348 Switch Bracket 2 13 53279 Screw CSCS M05 0 80 12 8 14 REF Mast Assembly MME20 Refer To Page 69 1 REF Mast Assembly MME25 Refer To Page 71 1 15 44349 Splint 2 REF Refe...

Page 74: ...ction 16 Mast Mast Assembly MME20 Mast Assembly MME20 Mast Series Art_5755 ILLUSTRATION No 39 35 17 18 30 29 28 8 7 6 5 4 31 32 26 25 24 5 4 20 14 12 15 16 17 18 19 27 33 22 23 21 18 10 6 7 8 32 31 42 10 11 3 2 1 13 10 11 9 10 11 14 34 36 37 38 40 41 29 ...

Page 75: ... 2 17 53278 Screw SHCS M04 0 70 20 8 18 53062 WSHR M04 Spring Washer 14 19 44362 Wire Clip 8 20 44363 Mast 1 1 21 50423 Screw SHCS M04 0 70 12 6 22 44364 Signal Plate 1 23 44365 Bumper 2 24 44366 Pulley 2 25 44367 Bearing 2 26 44368 Bolt 2 27 44369 Mast 2 1 28 53390 Slotted PHTS M3 25 8 29 50000 WSHR M06 Standard Flat Washer 12 30 44370 Slide Block 8 31 50002 WSHR M10 Standard Flat Washer 32 32 50...

Page 76: ...Assembly MME25 Mast Assembly MME25 Mast Series Art_5756 ILLUSTRATION No 13 12 20 9 15 16 17 18 19 21 24 23 22 18 10 4 5 6 7 8 3 2 1 10 11 10 11 14 30 29 28 27 26 25 36 35 34 33 39 8 7 6 5 4 31 32 37 17 18 38 40 18 10 41 14 32 31 52 10 11 29 45 46 47 48 49 50 51 42 44 43 43 ...

Page 77: ...HR M04 Spring Washer 17 19 44362 Wire Clip 12 20 44378 Mast Set 1 1 21 44379 Mast Set 2 1 22 50423 Screw SHCS M04 0 70 12 6 23 44365 Bumper 2 24 44364 Signal Plate 1 25 44366 Pulley 2 26 44367 Bearing 2 27 44368 Bolt 2 28 53390 Slotted PHTS M3 25 10 29 50000 WSHR M06 Standard Flat Washer 14 30 44370 Slide Block 10 31 50002 WSHR M10 Standard Flat Washer 40 32 50049 Nut NNYL M10 1 50 40 33 53038 WSH...

Page 78: ...rvice Parts Manual May 2021 Section 16 Mast 46 44374 Pad 1 47 53405 Screw PHMS M04 0 70 25 2 48 44386 Mast 5 1 49 44375 Signal Plate 2 50 53380 Screw SHCS M06 1 00 12 4 51 53046 WSHR M06 Spring Washer 4 52 44376 Mast Cover 2 ...

Page 79: ...Page 74 Mast Series Service Parts Manual May 2021 Section 16 Mast THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK ...

Page 80: ...s Manual May 2021 Section 16 Mast Lifting Chain Assembly MME20 Lifting Chain Assembly MME20 Mast Series Art_5757 ILLUSTRATION No 15 14 16 18 21 2 4 5 6 2 8 9 10 8 7 11 12 22 23 9 8 17 14 13 9 15 16 13 9 19 14 15 20 9 14 14 16 14 1 2 3 ...

Page 81: ...o Page 83 2 6 50445 Screw HHCS M06 1 00 16 1 7 44388 Pin 1 8 53392 Screw CSCS M10 1 50 20 12 9 44389 Pin 10 10 44390 Chain Terminal 2 11 44391 Chain 2 12 REF Lift Cylinder Assembly Refer To Page 99 1 13 44392 Chain Terminal 4 14 53014 Nut NHEX M08 1 25 12 15 53055 WSHR M08 Spring Washer 6 16 53381 Screw CSCS M06 1 00 8 6 17 44393 Chain Seat 1 18 44569 Sheath 4 19 44394 Chain Seat 1 20 44395 Chain ...

Page 82: ...Section 16 Mast Lifting Chain Assembly MME25 Lifting Chain Assembly MME25 Mast Series Art_5758 ILLUSTRATION No 14 9 15 16 15 18 17 14 9 20 21 22 20 24 8 9 25 8 9 23 13 13 17 15 16 15 14 9 15 16 15 17 9 15 16 15 17 19 1 3 1 4 1 5 1 7 6 8 9 10 8 12 11 2 ...

Page 83: ...e 83 2 6 44388 Pin 1 7 50445 Screw HHCS M06 1 00 16 1 8 53392 Screw CSCS M10 1 50 20 16 9 44389 Pin 14 10 44390 Chain Terminal 2 11 44391 Chain 2 12 REF Lift Cylinder Assembly Refer To Page 99 1 13 44387 Chain 4 14 44392 Chain Terminal 6 15 53014 Nut NHEX M08 1 25 16 16 53055 WSHR M08 Spring Washer 8 17 53381 Screw CSCS M06 1 00 8 8 18 44393 Chain Seat 1 19 44569 Sheath 6 20 44394 Chain Seat 2 21 ...

Page 84: ...Page 79 Mast Series Service Parts Manual May 2021 Section 16 Mast Pulley Assembly 5 7 Mast MME20 Pulley Assembly 5 7 Mast MME20 Mast Series Art_5759 ILLUSTRATION No 4 6 2 1 7 5 3 5 4 3 2 1 ...

Page 85: ...Mast Series Service Parts Manual May 2021 Section 16 Mast Item Part Number Description Qty 1 44400 Plate 2 2 44401 Spacer 2 3 41131 Bearing 2 4 43618 Circlips 2 5 44402 Pulley 2 6 44403 Shaft 1 7 44404 Spacer 1 ...

Page 86: ...Page 81 Mast Series Service Parts Manual May 2021 Section 16 Mast Pulley Assembly 2 4 Mast Pulley Assembly 2 4 Mast Mast Series Art_5760 ILLUSTRATION No 5 4 1 2 3 3 2 1 ...

Page 87: ...Page 82 Mast Series Service Parts Manual May 2021 Section 16 Mast Item Part Number Description Qty 1 44400 Plate 2 2 44405 Spacer 2 3 41131 Bearing 2 4 44403 Shaft 1 5 44406 Pulley 1 ...

Page 88: ...Page 83 Mast Series Service Parts Manual May 2021 Section 16 Mast Pulley Assembly 1 3 Mast Pulley Assembly 1 3 Mast Mast Series Art_5761 ILLUSTRATION No 3 6 7 2 5 1 4 2 2 5 4 3 2 1 ...

Page 89: ... Series Service Parts Manual May 2021 Section 16 Mast Item Part Number Description Qty 1 44400 Plate 2 2 44401 Spacer 4 3 43618 Circlips 2 4 41131 Bearing 2 5 44407 Pulley 2 6 44403 Shaft 1 7 44408 Chain Terminal 1 ...

Page 90: ...Page 85 Mast Series Service Parts Manual May 2021 Section 16 Mast Pulley Assembly 4 6 Mast MME25 Pulley Assembly 4 6 Mast MME25 Mast Series Art_5762 ILLUSTRATION No 6 1 7 2 5 4 5 4 3 2 1 3 ...

Page 91: ...Mast Series Service Parts Manual May 2021 Section 16 Mast Item Part Number Description Qty 1 44400 Plate 2 2 44405 Spacer 2 3 43618 Circlips 2 4 41131 Bearing 2 5 44402 Pulley 2 6 44403 Shaft 1 7 44409 Spacer 1 ...

Page 92: ...Page 87 Mast Series Service Parts Manual May 2021 Section 16 Mast Pulley Assembly 3 5 Mast Pulley Assembly 3 5 Mast Mast Series Art_5763 ILLUSTRATION No 6 2 5 1 7 3 5 4 3 2 1 4 ...

Page 93: ...Mast Series Service Parts Manual May 2021 Section 16 Mast Item Part Number Description Qty 1 44400 Plate 2 2 44401 Spacer 2 3 41131 Bearing 2 4 43618 Circlips 2 5 44407 Pulley 2 6 44403 Shaft 1 7 44404 Spacer 1 ...

Page 94: ... Mast Series Service Parts Manual May 2021 Section 16 Mast Sequencing Cable Assembly MME2 Sequencing Cable Assembly MME20 Mast Series Art_5764 ILLUSTRATION No 5 6 7 16 8 10 15 11 14 7 5 6 1 9 2 7 12 6 13 5 3 4 ...

Page 95: ... M08 Standard Flat Washer 3 4 44411 Spring 3 5 50000 WSHR M06 Standard Flat Washer 14 6 53046 WSHR M06 Spring Washer 14 7 53380 Screw SHCS M06 1 00 12 14 8 44412 Cable 3 9 44413 Cable Bracket 1 10 44414 Cable Bracket 2 11 44415 Cable Bracket 1 12 53385 Screw SHCS M08 1 25 30 3 13 53055 WSHR M08 Spring Washer 3 14 44416 Washer 3 15 44417 Pulley 3 16 44418 Spacer 3 ...

Page 96: ...Mast Series Service Parts Manual May 2021 Section 16 Mast Sequencing Cable Assembly MME25 Sequencing Cable Assembly MME25 Mast Series Art_5765 ILLUSTRATION No 15 11 14 5 6 1 9 2 7 12 6 13 5 5 6 7 16 8 10 3 4 7 ...

Page 97: ... M08 Standard Flat Washer 4 4 44411 Spring 4 5 50000 WSHR M06 Standard Flat Washer 18 6 53046 WSHR M06 Spring Washer 18 7 53380 Screw SHCS M06 1 00 12 18 8 44412 Cable 4 9 44413 Cable Bracket 1 10 44414 Cable Bracket 3 11 44415 Cable Bracket 1 12 53385 Screw SHCS M08 1 25 30 4 13 53055 WSHR M08 Spring Washer 4 14 44416 Washer 4 15 44417 Pulley 4 16 44418 Spacer 4 ...

Page 98: ... Service Parts Manual May 2021 Platform and Mast Installation Platform and Mast Installation Mast Series Art_5766 ILLUSTRATION No 1 2 2 9 8 1 3 2 3 2 2 1 4 5 2 2 2 1 7 6 Platform and Mast Installation Section 17 Platform ...

Page 99: ... Nut NNYL M10 1 50 8 2 50002 WSHR M10 Standard Flat Washer 16 3 50034 Screw HHCS M10 1 50 30 8 4 44419 Platform Mount Upper Bracket 1 5 50421 Screw HHCS M10 1 50 60 2 6 REF Platform Assembly Refer To Page 95 1 7 44420 Block 1 8 44421 Platform Mount Lower Bracket 1 9 50022 Screw HHCS M10 1 50 70 2 REF Reference ...

Page 100: ... Platform Platform Assembly Platform Assembly Mast Series Art_5767 ILLUSTRATION No 1 39 40 2 3 4 33 10 30 32 31 36 31 38 26 20 20 8 8 35 34 37 28 20 20 8 20 A 5 6 7 8 13 12 11 10 9 A 30 8 27 26 28 22 8 8 23 24 29 10 25 20 20 20 20 20 8 8 15 16 17 14 18 19 20 21 ...

Page 101: ...Rail Weldment 1 15 44426 Lock 1 16 44427 Cover 1 17 53356 Screw SHCS M05 0 80 25 2 18 44428 Upper Pole 1 19 50017 Screw HHCS M08 1 25 60 2 20 50001 WSHR M08 Standard Flat Washer 59 21 44429 Sideward Pole 1 22 44430 Gas Shock 1 23 50251 Screw HHCS M08 1 25 65 2 24 44431 Lower Pole 1 25 50015 Screw HHCS M08 1 25 50 8 26 50031 Screw HHCS M08 1 25 25 8 27 44432 Extension Deck Weldment 1 28 50016 Screw...

Page 102: ...Page 97 Mast Series Service Parts Manual May 2021 Section 17 Platform Platform Control Box Assembly Platform Control Box Assembly Mast Series Art_5768 ILLUSTRATION No 1 3 5 2 4 7 6 9 10 8 ...

Page 103: ...2 Joystick Steer Switch 1 43623 Switch Boot 1 3 41152 Coil Cord 1 43624 Housing 1 43625 Male Insert 1 43626 Male Contacts 5 43627 Cable Gland 1 4 44440 Linkage Communication Harness 1 43628 Hood 1 43629 Female Insert 1 43630 Female Contacts 5 43627 Cable Gland 1 5 41568 Alarm 1 43631 Alarm Nut 1 6 41156 Main Board 1 41155 Button 4 7 41157 Emergency Stop Switch 1 43632 Red Mushroom Head 1 43633 Bas...

Page 104: ...s Service Parts Manual May 2021 Lift Cylinder Assembly Lift Cylinder Assembly Mast Series Art_5769 ILLUSTRATION No 21 10 1 20 5 6 7 8 9 12 11 19 16 15 17 18 4 2 3 13 14 Lift Cylinder Assembly Section 18 Hydraulic System ...

Page 105: ...k Valve 1 5 43465 Plug 3 6 43643 Plug 2 7 44443 Straight Fitting 1 8 44444 Solenoid Valve Spool 1 9 41551 Coil 1 10 42795 Nut 1 11 50423 Screw SHCS M04 0 70 12 1 12 43365 Cable Connector 1 13 41162 Lowering Knob 1 14 44445 Emergency Down Cable Assembly 1 15 43600 Hose 1 16 41413 Nut 1 17 44446 Fitting 1 18 44447 Washer 1 19 44448 Pressure Sensor 1 20 44449 Fitting 1 21 44450 Seal Kit 1 ...

Page 106: ...Mast Series Service Parts Manual May 2021 Section 18 Hydraulic System Function Manifold Assembly Function Manifold Assembly Mast Series Art_5770 ILLUSTRATION No 5 2 1 13 11 10 8 6 7 8 3 4 9 14 18 14 15 16 17 12 ...

Page 107: ... Plug 2 4 44452 Valve Body 1 5 44453 Steer Priority Flow Control Valve FRV1 1 6 41537 Solenoid Valve Spool SV1 Steer 1 7 41551 Coil 2 8 42795 Nut 2 9 41549 Relief Valve 1 10 41550 Coil 1 11 41548 Solenoid Valve Spool SV2 Lift 1 12 42480 Plug 1 13 43465 Plug 7 14 43582 Straight Fitting 2 15 41298 Straight Fitting 1 16 43639 Elbow 1 17 43206 Elbow 1 18 43077 Elbow 2 ...

Page 108: ...System Hydraulic Hoses and Fittings Hydraulic Hoses and Fittings Mast Series Art_5771 ILLUSTRATION No Hose Assembly Adapter Union 1 9 9 11 2 5 7 4 3 13 18 10 10 P T 15 10 10 14 12 12 6 8 8 18 S1 S2 L M 16 17 17 Pump Tank Filter Lift Cylinder Function Manifold Steer Cylinder ...

Page 109: ... Hose Assembly Suction Hose 1 5 44458 Hose Assembly Filter To Tank Hose 1 6 44459 Hose Assembly Return Hose 1 7 44460 Hose Assembly Main Pump Hose 1 8 43076 Straight Fitting 2 9 44451 Straight Fitting 2 10 43582 Straight Fitting 4 11 41298 Straight Fitting 1 12 43576 Straight Fitting 2 13 44443 Straight Fitting 1 14 41085 Fitting 1 15 43206 Elbow 1 16 43639 Elbow 1 17 43077 Elbow 2 18 Refer To Lif...

Page 110: ...y Fuse Battery Power Switch DC Contactor Motor Motor Controller Motor 29 28 27 32 33 9 8 7 3 27 31 30 12 1 10 Motor 5 4 26 6 25 Ground Control Box Assembly 24 23 22 21 34 20 2 13 15 16 14 17 17 18 19 19 14 Beacon Charger Beacon Limit Switch Lift UP Limit Switch Lift Down Limit Switch Pothole Limit Switch Pothole Limit Switch Lift UP Pressure Sensor Coil Lift Down 11 Electrical Harness Section 19 E...

Page 111: ...d Control Box Assembly 1 13 42904 Charger 1 14 44298 Beacon 2 15 44448 Pressure Sensor 1 16 41551 Coil Lift Down 1 17 41197 Limit Switch Pothole 2 18 42074 Limit Switch Lift Down 1 19 42402 Limit Switch Lift Up 2 20 44280 Platform Control Box Assembly 1 21 41075 Horn 1 22 41334 Relay 1 23 44551 Function Manifold 1 24 41094 Brake Module 1 25 44582 Tilt Sensor 1 26 41074 Alarm 1 27 43558 Drive Motor...

Page 112: ...st Series Service Parts Manual May 2021 Decal Locations 1 1 2 2 3 3 4 5 6 7 8 9 10 11 12 12 12 12 13 13 14 15 16 17 18 19 20 21 21 22 23 23 23 23 24 24 25 26 27 27 28 29 30 31 32 Decal Locations Section 20 Decals ...

Page 113: ...ty 1 7 41632 Qty 1 8 94528 Qty 1 9 94122 Qty 1 10 94659 Qty 1 11 41637 Qty 1 12 41635 Qty 4 13 41639 Qty 2 14 41648 Qty 1 15 41636 Qty 1 16 41641 Qty 1 17 44485 Qty 1 18 8911 Qty 1 19 94778 Qty 1 20 42493 Qty 1 21 90732 Qty 2 22 43879 Qty 1 23 94362 Qty 4 24 9910 Qty 2 25 91850 Qty 1 26 95601 Qty 1 27 94423 Qty 2 28 42534 Qty 1 29 41640 Qty 1 30 94115 Qty 1 31 95645 Qty 1 ...

Page 114: ...orders MUST have a Purchase Order Number Fed Ex shipments require Fed Ex account number Part Number Description Quantity Price All back ordered parts will be shipped when available via the same ship method as original order unless noted below Ship complete order only No Backorders Ship all available parts and contact customer on disposition of back ordered parts Other Please specify Signature ...

Page 115: ...d on MEC Aerial Platform Sales Corp s then current flat rate provided the defective part in question is shipped prepaid to MEC Aerial Platform Sales Corp and is found upon inspection by MEC Aerial Platform Sales Corp to be defective in material and or workmanship MEC Aerial Platform Sales Corp shall not be liable for any consequential incidental or contingent damages whatsoever Use of other than f...

Page 116: ...1401 S Madera Avenue Kerman CA 93630 USA Toll Free 1 877 632 5438 Phone 1 559 842 1500 Fax 1 559 842 1520 info MECawp com www MECawp com MEC Aerial Work Platforms ...

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