Mec SE Series Building instructions

SERVICE AND PARTS MANUAL
ART_4908
SE Series
Serial Number Range
16800001 - Up
Part # 94124
March 2017
1930
2632
3346
4046
4555

1401 S. Madera Avenue • Kerman, CA 93630 USA
Ph: 1-800-387-4575 • 1-559-842-1500 • FAX [phone]
E-mail: [e-mail] • Web: www.MECawp.com
Aerial Platform Sales Corp.
Revision History
Original Release Date: March 2017
Date Reason for Update
March
2017New Release

“SE Series” Service and Parts Manual March 2017
Page i
Service Table of Contents
Introduction I Page
Machine Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II
MEC Operator Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . III
Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV
General Safety Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV
Maintenance Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI
Total System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI
Primary Machine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII
Emergency Systems and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X
Emergency Stop & Emergency Lowering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X
Free-Wheel Configuration For Winching or Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XI
Lift and Support the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XII
Section 1: Maintenance Page
Machine Maintenance – General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Pre-Start Inspection Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
30-Day Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Hydraulic Filter & Breather Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Frequent Inspection Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Steering Yokes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Hydraulic Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Electrical Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Tires & Wheels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Emergency Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6
Key Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Drive Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Drive Speed - Stowed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Drive Speed - Raised . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Drive Speed - Slow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Hydraulic Oil Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Tank Venting System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Module Latch Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Limit Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Up Limit Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-12
Level Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Pothole Limit Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Annual Inspection Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Scissor Slide Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
Hydraulic Tank Breather Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Hydraulic Oil Inspection/Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII
Hydraulic Components Torque Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX

“SE Series” Service and Parts ManualMarch 2017
Page ii
Service Table of Contents
Section 2: Control System Page
Control Component Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Parameter Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Section 3: Schematics Page
1930SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
1930SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
2632SE
3346SE
4046SE
4555SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
2632SE
3346SE
4046SE
4555SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Hydraulic Schematic
Hydraulic Control Unit
Hydraulic Schematic
Hydraulic Control Unit
Function Valve
Electrical Schematic 1930SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
1930SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
4555SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Harness Control Circuit 2632SE
3346SE
4046SE
4555SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Wiring Diagram 1930SE
2632SE
3346SE
4046SE
4555SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11
1930SE
2632SE
3346SE
4046SE
4555SE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Harness Control Circuit
Electrical Schematic 2632SE
3346SE
4046SE

“SE Series” Service and Parts Manual March 2017
Page I
INTRODUCTION
This manual consists of Service and Illustrated Parts sections.
The Service Section of this manual is designed to provide you, the customer, with the instructions
needed to properly maintain the MEC self-propelled aerial work platform. When used in conjunc-
tion with the Illustrated Parts Section and the Operators Manual (provided separately), this manual
will assist you in making necessary adjustments and repairs, and identifying and ordering the cor-
rect replacement parts.
All parts represented here are manufactured and supplied in accordance with MEC quality stan-
dards.
We recommend that you use genuine MEC parts to ensure proper operation and reliable perfor-
mance.
To obtain maximum benefits from your MEC Aerial Work Platform, always follow the proper oper-
ating and maintenance procedures. Only trained authorized personnel should be allowed to oper-
ate or service this machine. Service personnel should read and study the Operator’s, Service and
Parts Manuals in order to gain a thorough understanding of the unit prior to making any repairs.
C ONTENTS P AGE
Machine Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .II
MEC Operator Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . III
Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV
General Safety Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IV
Maintenance Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V
Hydraulic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI
Total System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VI
Primary Machine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VII
Emergency Systems and Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X
Emergency Stop & Emergency Lowering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X
Free-Wheel Configuration For Winching or Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XI
Lift and Support the Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XII
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VIII
Hydraulic Components Torque Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX

“SE Series” Service and Parts ManualMarch 2017
Page II
M ACHINE S PECIFICATIONS
1930SE 2632SE 3346SE
Working Height* 25 ft 7.8 m 32 ft 10 m 39 ft 12 m
Platform Height 19 ft 5.8 m 26 ft 8 m 33 ft 10 m
Maximum Drive Height 19 ft 5.8 m 26 ft 8 m 33 ft 10 m
Stowed Height Top Guardrail 79.75 in. 2.02 m91 in. 2.3 m 96.5 in. 2.5 m
Rails Folded N/A 78 in. 5 m 75 in. 1.9 m
Platform Floor 40.75 in. 1.04 m48 in. 1.22 m 53 in. 1.35 m
Guardrail Height 39 in. 1 m43.5 in. 1.11 m 43.5 in. 1.11 m
Toeboard Height 6 in. 15 cm 6 in. 15 cm 6 in. 15 cm
Machine Weight** (Unloaded) 3,120 lb 1,415 kg 4,796 lb 2,180 kg 5,566 lb 2,530 kg
Total 500 lb 227 kg 500 lb 227 kg 750 lb 340 kgLift Capacity
Sheet Material Rack Capacity† 110 lb† 50 kg† 110 lb† 50 kg† 250 lb† 113 kg†
Deck Extension Capacity 1 Person / 250lb (113 kg) 1 Person / 250lb (113 kg) 1 Person / 250lb (113 kg)
Maximum Occupants 2 2 2
Length-Stowed (Overall) 74 in. 1.86 m 97 in. 2.46 m 97 in. 2.46 m
Length-Stowed (Ladder Removed) 66 in. 1.67 m 89.5 in. 2.27 m 89.5 in. 2.27 m
Platform Length (Extended) 100 in. 2.54 m 124.5 in. 3.16 m 124.5 in. 3.16 m
Platform Length (Retracted) 65 in. 1.65 m 89.5 in. 2.27 m 89.5 in. 2.27 m
Width (Overall) 30 in. .76 cm 32 in. 81 cm 47 in. 1.19 m
Platform Width (Outside) 29 in. 74 cm 32 in. 81 cm 44 in. 1.12 m
Wheel Base 54 in. 1.36m 74 in 1.87 m 74 in 1.87 m
Turning Radius--Inside 0 in. 0 cm 0 in. 0 cm 0 in. 0 cm
Ground Clearance--Stowed 3.25 in. 8.3 cm 4 in 10 cm 4 in 10 cm
Ground Clearance--Elevated .625 in. 1.6 cm .7 in 2 cm .7 in 2 cm
Drive Speed
(Proportional)
Stowed 0-2.8 mph 0-4.5 km/h 0-2.5 mph 0-4 km/h 0-2.5 mph 0-4 km/h
Raised or
extended
0-.5 mph 0-.8 km/h 0-.5 mph 0-.8 km/h 0-.5 mph 0-.8 km/h
Gradability 25%/14° 25%/14° 25%/14°
Maximum Side Slope--Stowed 5° 5° 5°
Tilt Sensor Settings 2° side-to-side; 3°
fore-and-aft
2° side-to-side; 3°
fore-and-aft
2° side-to-side; 3°
fore-and-aft
Ground Pressure/Wheel 130 psi 9.14 kg/cm2154 psi 10.8 kg/cm2160 psi 11.2 kg/cm2
Maximum Wheel Load 1450 lb 658 kg 2122 lb 960 kg 2508 lb 1140 kg
Occupied Floor Pressure 263 psf 1284 kg/m2268 psf 1308 kg/m2224 psf 1091 kg/m2
Maximum Operating Wind Speed 28 mph / 12.5 m/sec
(45 km/h)
28 mph / 12.5 m/sec
(45 km/h)
28 mph / 12.5 m/sec
(45 km/h)
Tire Size 12 x 4 inch/305 x 100 mm 15 x 5 inch/381 x 127 mm 15 x 5 inch/381 x 127 mm
Wheel Bolt Torque 19 ft-lb / 25.5 Nm 19 ft-lb / 25.5 Nm 19 ft-lb / 25.5 Nm
Hydraulic Pressure 3000 psi/ 207 bar 3000 psi/ 207 bar 3000 psi/ 207 bar
Power System Voltage 24 Volt DC / 210Ah 24 Volt DC / 225 Ah 24 Volt DC / 240 Ah
Battery Charger Input 110-230 V AC, 50-60 Hz 110-230 V AC, 50-60 Hz 110-230 V AC, 50-60 Hz
Output 24 Volt DC 24 Volt DC 24 Volt DC
Batteries Four 6-Volt deep cycle;
210 Ah
Four 6-Volt deep cycle;
225 Ah
Four 6-Volt deep cycle;
240 Ah
Meets applicable requirements of ANSI A92.6-2006. *Working Height adds 6 feet (2 m) to platform height. **Weight may increase
with certain options.†Sheet material weight is part of the total platform capacity. is may limit capacity to one occupant.

4046SE 4555SE
Working Height* 46 ft 14 m 51 ft 15.7 m
Platform Height 40 ft 12 m 45 ft 13.7 m
Maximum Drive Height 40 ft 12 m 45 ft 13.7 m
Stowed Height Top Guardrail 102 in. 2.6 m 102 in. 2.6 m
Rails Folded 79 in. 2.0 m 79 in. 2.0 m
Platform Floor 58 in. 1.48 m 58 in. 1.48 m
Guardrail Height 43.5 in. 1.11 m 43.5 in. 1.11 m
Toeboard Height 6 in. 15 cm 6 in. 15 cm
Machine Weight** (Unloaded) 6,820 lb 3,100 kg 7,190 lb 3,260 kg
Lift Capacity Total 550 lb 250 kg 500 lb 227 kg
Deck Extension Capacity 1 Person / 250lb (113 kg) 1 Person / 250lb (113 kg)
Maximum Occupants 2 2
Length-Stowed (Overall) 98 in. 2.5 m 112 in. 2.85 m
Length-Stowed (Ladder Removed) 89.5 in. 2.27 m 104 in. 2.65 m
Platform Length (Extended) 124.5 in. 3.16 m 139 in. 3.53 m
Platform Length (Retracted) 89.5 in. 2.27m 104 in. 2.65 m
Width (Overall) 47 in. 1.2cm 55 in. 1.4 cm
Platform Width (Outside) 44 in. 1.12 cm 44 in. 1.12 cm
Wheel Base 74 in 1.87 m 87 in 2.22 m
Turning Radius--Inside 0 in. 0 cm 0 in. 0 cm
Ground Clearance--Stowed 4 in 10 cm 4 in 10 cm
Ground Clearance--Elevated .7 in 2 cm .7 in 2 cm
Drive Speed
(Proportional)
Stowed 0-2.5 mph 0-4 km/h 0-2.5 mph 0-4 km/h
Raised or
extended
0-.5 mph 0-.8 km/h 0-.5 mph 0-.8 km/h
Gradability 25%/14° 25%/14°
Maximum Side Slope--Stowed 5° 5°
Tilt Sensor Settings 2° side-to-side; 3° fore-and-aft 2° side-to-side; 3° fore-and-aft
Ground Pressure/Wheel 167 psi 11.7 kg/cm2256 psi 18 kg/cm2
Maximum Wheel Load 2948 lb 1340 kg 3076 lb 1395 kg
Occupied Floor Pressure 255 psf 1240 kg/m2194 psf 947 kg/m2
Maximum Operating Wind Speed 28 mph / 12.5 m/sec (45 km/h) 28 mph / 12.5 m/sec (45 km/h)
Tire Size 15 x 5 inch/381 x 127 mm 15 x 5 inch/381 x 127 mm
Wheel Bolt Torque 19 ft-lb / 25.5 Nm 19 ft-lb / 25.5 Nm
Hydraulic Pressure 3000 psi/ 207 bar 3000 psi/ 207 bar
Power System Voltage 24 Volt DC / 300Ah 24 Volt DC / 300Ah
Battery Charger Input 110-230 V AC, 50-60 Hz 110-230 V AC, 50-60 Hz
Output 24 Volt DC 24 Volt DC
Batteries Four 12-Volt deep cycle; 300 Ah Four 12-Volt deep cycle; 300 Ah
M ACHINE S PECIFICATIONS
Meets applicable requirements of ANSI A92.6-2006. *Working Height adds 6 feet (2 m) to platform height. **Weight may increase
with certain options.†Sheet material weight is part of the total platform capacity. is may limit capacity to one occupant.
“SE Series” Service and Parts Manual March 2017

MEC O PERATOR P OLICY
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 warn-
ings 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 relent-
less ongoing efforts towards Continuous Improvement, due to which product specifica-
tions 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 opera-
tion. 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 Platform
1401 S. Madera Avenue
Kerman, CA 93630 USA
Ph: 1-877-632-5438
( L i f t )
www.MECawp.com
“SE Series” Service and Parts ManualMarch 2017
Page III

S AFETY S YMBOLS
To help you recognize important safety information, we have identified warnings and instructions
that directly impact on safety with the following signals:
“DANGER” INDICATES AN IMMINENTLY HAZARDOUS SITUATION WHICH, IF
NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS INJURY.
THIS SIGNAL WORD IS LIMITED TO THE MOST EXTREME SITUATIONS.
“WARNING” INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH, IF
NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY.
“CAUTION” indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury. It may also be used to alert against unsafe
practices.
“Caution” without alert symbol indicates a situation which, if not avoided, may
result in property damage.
G ENERAL S AFETY T IPS
Regular inspection and conscientious maintenance is the key to efficient economical oper-
ation 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. Cor-
rect 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 contamina-
tion (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.
“SE Series” Service and Parts Manual March 2017
Page IV

DEATH OR SERIOUS INJURY HAZARD!
NEVER perform work or inspection on the machine with the platform elevated without first blocking
the scissor assembly with the Maintenance Lock.
On machines equipped with two Maintenance Locks, both must be set to safely work on or inspect the
machine.
DO NOT engage the Maintenance Locks unless the platform in empty of tools and material.
1930SE, 2632SE and 3346SE Machines:
On the 1930SE, the Maintenance Lock is located at the rear of the scissor stack. On the
2632SE and 3346SE, the Maintenance Lock is located at the front of the scissor stack.
1 Raise the platform approximately just high enough to rotate the Maintenance Lock
into place.
2 Lift the Maintenance Lock, move it to the center of the scissor arm, then rotate it up
to a vertical position.
The Maintenance Lock must engage the scissor section above it.
DO NOT set it so that it hangs down.
3 Lower the platform until the Maintenance Lock rests securely on the link.
Keep clear of the Maintenance Lock when lowering the platform.
ART_5171
Typical
Maintenance
Lock
M AINTENANCE L OCKS
“SE Series” Service and Parts ManualMarch 2017
Page V

“SE Series” Service and Parts Manual March 2017
M AINTENANCE L OCKS
DEATH OR SERIOUS INJURY HAZARD!
NEVER PERFORM WORK OR INSPECTION ON THE MACHINE WITH THE
PLATFORM ELEVATED WITHOUT FIRST BLOCKING THE SCISSOR ASSEMBLY
WITH THE MAINTENANCE LOCK. DO NOT ENGAGE THE MAINTENANCE LOCKS
UNLESS THE PLATFORM ISEMPTY OF TOOLS AND MATERIAL.
BOTH MAINTENANCE LOCKS MUST BE SET TO SAFELY WORK ON OR INSPECT
THE MACHINE.
There are two Maintenance Locks on these machines. Both must be set whenever
work or inspection is being performed on the machine.
The Maintenance Locks are located inside the scissor assembly.
S ETTING T HE M AINTENANCE L OCKS
4046SE A
ND 4555SE Machines
1. Raise the platform approximately 13 ft / 4 m
from the ground, just high enough to rotate
2.
3.
Lift the ladder-end Maintenance Lock, move it
to the center of the scissor arm, then rotate it
down to a vertical position.
Use the machine entry ladder to reach the
rear Maintenance Lock.
The Front End Maintenance Lock must
engage the scissor section above it.
DO NOT set it so that it hangs down.
4. Lower the platform until the Maintenance
Locks rest lightly on the scissor link cross
tubes. Keep clear of the Maintenance Locks
when lowering the platform.
ART_5144
Maintenance Locks
Set
Set
ART_5145
Maintenance Locks
the Maintenance Locks into place.
Lift the front-end Maintenance Lock, move it
to the center of the scissor arm, then rotate
it up to a vertical position.

“SE Series” Service and Parts ManualMarch 2017
S TOWING T HE M AINTENANCE L OCKS
BOTH Maintenance Locks must be stowed
before lowering the platform
DO NOT attempt to lower the platform with
one maintenance lock in place.
1. Raise the platform approximately 1 ft / .3 m up
so that the Maintenance Locks clear the
scissor link cross tubes.
2. Slide the ladder-end Maintenance Lock to the
side and rotate it stowed position.
Use the machine entry ladder to reach the
rear Maintenance Lock.
3. Slide the front-end Maintenance Lock to the
side and rotate it stowed position.
4. Lower the platform.
Keep clear of the scissor linkage when lowering.
If a Maintenance Lock requires adjustment to
stow it correctly, stop the lowering function.
Adjust the maintenance lock while stationary,
then return to the lowering function.
ART_5146
Maintenance Locks
ART_5147
Maintenance Locks
Stowed
Stowed

“SE Series” Service and Parts Manual March 2017
Page VI
H YDRAULIC S YSTEM
HYDRAULIC FLUID UNDER PRESSURE CAN PENETRATE AND BURN SKIN,
DAMAGE EYES, AND MAY CAUSE SERIOUS INJURY, BLINDNESS, AND EVEN
DEATH. CORRECT LEAKS IMMEDIATELY.
HYDRAULIC FLUID LEAKS UNDER PRESSURE MAY NOT ALWAYS BE VISIBLE.
CHECK FOR PIN HOLE LEAKS WITH A PIECE OF CARDBOARD, NOT YOUR
HAND.
E LECTRICAL S YSTEM
Prevent damage to battery and/or electrical system;
• Always disconnect the negative battery cable first.
• Always connect the positive battery cable first.
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.
T OTAL S YSTEM
FAILURE TO PERFORM PREVENTIVE MAINTENANCE AT RECOMMENDED
INTERVALS MAY RESULT IN THE UNIT BEING OPERATED WITH A DEFECT
THAT COULD RESULT IN INJURY OR DEATH OF THE OPERATOR.
IMMEDIATELY REPORT TO YOUR SUPERVISOR ANY DEFECT OR
MALFUNCTION. ANY DEFECT SHALL BE REPAIRED PRIOR TO CONTINUED
USE OF THE AERIAL WORK PLATFORM.
INSPECTION AND MAINTENANCE SHOULD BE PERFORMED BY QUALIFIED
PERSONNEL FAMILIAR WITH THE EQUIPMENT.

“SE Series” Service and Parts ManualMarch 2017
Page VII
P RIMARY M ACHINE C OMPONENTS
Figure 1-1: Component Locations
ART_5008
Platform
Controls
Lanyard
Anchorage
Lanyard
Anchorage
Deck Extension
Release
Lift Cylinders
Chassis
Tie-Down/
Lift Points
Entry Gate
Main Platform
Lower
Controls Emergency Lowering
Handle
Batteries
Motor Controller
Hydraulic Pump
& Motor
Hydraulic Tank
Entry Ladder
Forklift Pocket
Pothole Guard
Forklift Pocket
Battery Tray
Controls Tray
Maintenance
Lock
Maintenance
Lock
Guard
Rails
Manuals
Case
Deck
Extension
Battery
Charger
Battery
Charger
Main Power
Switch

“SE Series” Service and Parts Manual March 2017
Page VIII
T ORQUE S PECIFICATIONS
F ASTENERS
Use the following values to apply torque unless a specific torque value is called out for
the part being used.
TORQUE
FT. LBS
TORQUE
Nm FT. LBS Nm
MIN MAX MIN MAX MIN MAX MIN MAX
CAP SCREW
SIZE
- millimeters-
METRIC GRADE 8.8 10.9
8.8 10.9
M6 X 1.00
M8 X 1.25
M10 X 1.50
M12 X 1.75
M14 X 2.00
M16 X 2.50
M18 X 2.50
M20 X 2.50
M22 X 2.50
M24 X 3.00
M27 X 3.00
M3 X 3.00
6
16
29
52
85
130
172
247
332
423
637
872
8
20
35
62
103
158
210
301
404
517
779
1066
8
21.5
39
70
115
176
233
335
450
573
863
1181
11
27
47
84
139
214
284
408
547
700
1055
1444
9
23
42
75
120
176
240
343
472
599
898
1224
11
27
52
91
146
216
294
426
576
732
1098
1496
12
31
57
102
163
238
325
465
639
812
1217
1658
15
36.5
70
123
198
293
398
577
780
992
1488
2027
Torque valuesapply to fastenersas
received from the supplier, dry, or when
lubricated with normal engine oil.
If special graphite grease, molydisulphide
grease, or other extreme pressure
lubricantsare used, these torque valuesdo
not apply.
METRIC CAP SCREWS

“SE Series” Service and Parts ManualMarch 2017
Page IX
H YDRAULIC C OMPONENTS T ORQUE T ABLE
NOTE: Always lubricate threads with clean hydraulic fluid prior to installation.
Use the following values to torque hydraulic components when a specific value is not
available. Always check for torque values in the following places before relying on the
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 34-41 430-470 49-53
#10 35-40 47-54 35-40 47-54 680-750 77-85
#12 85-90 115-122 85-90 115-122 950-1050 107-119
#16 130-140 176-190 130-140 176-190 1300-1368 147-155

“SE Series” Service and Parts Manual March 2017
Page X
E MERGENCY S YSTEMS AND P ROCEDURES
IF THE CONTROL SYSTEM FAILS WHILE THE PLATFORM IS ELEVATED,
USE THE EMERGENCY LOWERING PROCEDURE TO SAFELY LOWER THE
PLATFORM.
DO NOT CLIMB DOWN THE ELEVATING ASSEMBLY OR EXIT THE PLATFORM.
E MERGENCY S TOP
Figure 1-2: Emergency Stop Buttons
The machine is equipped with an EMERGENCY STOP
switch at the base controls and the platform control box.
• Press the EMERGENCY STOP switch at any time to stop all
machine functions.
• Turn switch clockwise to reset.
• Either switch will stop all machine functions.
• Both switches must be reset or machine will not operate.
E MERGENCY L OWERING
Figure 1-3: Emergency Lowering
The Emergency Lowering System is used to lower the
platform in case of power failure.
To lower the platform, pull the Emergency Lowering
Knob, located near the Base Control panel.
ART_4979
ART_5016
Emergency
Lowering
Handle

“SE Series” Service and Parts ManualMarch 2017
Page XI
F REE -W HEEL C ONFIGURATION F OR W INCHING OR T OWING
RUNAWAY HAZARD!
AFTER RELEASING THE BRAKES THERE IS NOTHING TO STOP MACHINE
TRAVEL. MACHINE WILL ROLL FREELY ON SLOPES.
ALWAYS CHOCK THE WHEELS BEFORE MANUALLY RELEASING THE BRAKES.
Disengage Brakes before Towing or Winching
1930SE 1 Chock the wheels.
2 At the Ground Controls panel, turn the
Key Switch to the GROUND position.
3 At the Platform Controls, pull or turn the
red Emergency Stop button clockwise to
the on position.
4 At the Ground Controls panel, press the
Emergency Stop button.
5 Push the Brake Release Switch to the left
& Push Down and Hold The Lift/Lower
Switch to the Lower Position
Pull or turn the Red Emergency Stop button
clockwise to the ON position at the ground
controls. An Alarm & Horn will sound,
signaling that the brakes have been released.
Resetting Brakes
Press the Emergency Stop button, then push the
Brake Release Switch to the right to reset the
brake.
2632SE, 3346SE, 4046SE, 4555SE
1 Chock the wheels.
2 Turn the Key Switch to the OFF position.
3 Pull or turn the red Emergency Stop
button clockwise to the on position at
both the ground and platform controls.
4 At the Ground Controls panel, press and
hold the Lift/Lower Switch to the DOWN
position, then turn on the Key Switch to
the GROUND position.
5 Hold the Lift/Lower Switch in this
position until a continuous alarm sounds,
signalling that the brake has been
released.
Resetting Brakes
Turn the Key Switch to the OFF position to reset the brake.
Push Switch
1To Left
Reset
E-Stop
(pull out)
2
ART_5183
Push Down
1& Hold
Turn to
Ground
2
ART_5029
The machine can be winched or towed short distances at speeds not to exceed:
1930SE .5 mph
2632SE, 3346SE, 4046SE, 4555SE 2.5 MPH (4 km/h)
Before towing or winching the machine, it is necessary to release the brakes. Reset the brakes after towing
or winching.
AND

Driving or Winching onto or off of a Transport Vehicle
Always attach the machine to a winch when loading or unloading from a truck or trailer by driving.
Read and understand all safety, control, and operating information found on the machine and in this
manual before operating the machine.
Before loading or unloading the machine, check that:
• The deck extension, controls and component trays are secure.
• The platform is fully lowered.
• All loose items have been removed.
Before driving or winching the machine:
• Attach the machine to a winch.
• Remove all machine tie downs. Remove wheel chocks.
Driving
• Turn the Base Key Switch to PLATFORM. Check that the Emergency Stop Switch is
reset by turning it clockwise.
• Enter the platform and reset the Platform Emergency Stop Switch.
•Test platform contro lfunctions.
• Select slow drive speed mode. Carefully drive the machine off the transport vehicle
with the winch attached.
Note: The brakes are automatically released for driving and will automatically
apply when the machine stops.
Win chi ng
• Disengage brakes (see Free-wheel configuration for Winching or Towing on page 42).
• Carefully operate the winch to lower the machine down the ramp.
• Chock the wheels and engage the brakes.
Lifting The Machine With A Forklift
• Position the forklift forks in line with the forklift pockets.
• Drive forward to the full extent of the forks.
• Raise the machine 6 in / 15 cm and then tilt the forks back slightly to keep the machine
secure.
• Be sure the machine is level when lowering the forks.
Lifting the machine from the side may result in component damage.
ART_5030
“SE Series” Service and Parts Manual March 2017

Securing to Truck or Trailer for Transport
• Turn the Key Switch to OFF and remove the key before transport.
• Inspect the entire machine for loose or unsecured items.
•Chock the wheels
• Use the tie-down points on the chassis for anchoring down to the transport surface.
• Use chains or straps of ample load capacity.
• Use a minimum of four (4) chains or straps.
• Adjust the rigging to prevent damage to the chains and the machine.
ART_5031
“SE Series” Service and Parts ManualMarch 2017