Skyjack Telescopic Boom Series User manual

TM
OPERATING MANUAL
ANSI/CSA/AS
This manual must be kept and stored with the aerial platform at all times.
For Service please call ........................................................................800 275-9522
Skyjack Service Center, 3451 Swenson Ave., St. Charles, IL. 60174, USA .... FAX [phone]
For Parts in North America and Asia please call .................................... 800 965-4626
Skyjack Parts Center, 3451 Swenson Ave., St. Charles, IL. 60174, USA................ FAX [phone]
For Parts & Service in Europe please call ................................................. 44-1691-676-235
Skyjack Europe, Glovers Meadow, Maesbury Rd., Oswestry, Shropshire, U.K. .....FAX [phone]
143850AF-A Printed in Canada September 2007
Models: SJ 40T & SJ 45T
Operating Manual - ANSI/CSA/AS
Telescopic Boom Series

SKYJACK, Page 3
September 2007
SJ 40T & SJ 45T
DANGER
DANGER indicates an imminently hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING
WARNING indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
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.
IMPORTANT
IMPORTANT indicates a procedure essential for safe operation and which,
if not followed, may result in a malfunction or damage to the aerial platform.
This document is a translation from English.
In case of discrepancy between the English document and this document, the English
version prevails.
The Safety Alert Symbol identifies important
safety messages on aerial platform, safety signs
in manuals or elsewhere. When you see this
symbol, be alert to the possibility of personal
injury or death. Follow the instructions in the
safety message.
This Safety Alert Symbol means attention!
Become alert! Your safety is involved.

SKYJACK, Page 4
September 2007
SJ 40T & SJ 45T
Table of Contents
Section 1 - About Your Aerial Platform
Read and Heed
Aerial Platform Definition.............................................................................................................................................7
Purpose of Equipment.................................................................................................................................................7
Use of Equipment........................................................................................................................................................7
Manual .........................................................................................................................................................................7
Operator.......................................................................................................................................................................7
Service Policy and Warranty........................................................................................................................................7
Optional Accessories...................................................................................................................................................7
Scope of this Manual...................................................................................................................................................7
Safety Rules
Operator Safety Reminders.........................................................................................................................................8
Electrocution Hazard...................................................................................................................................................8
Safety Precautions.......................................................................................................................................................9
Section 2 - Operation
2.1 General............................................................................................................................................................13
2.1-1 Operator Qualifications .....................................................................................................................13
2.1-2 Operator’s Responsibility for Maintenance ......................................................................................13
2.1-3 Maintenance and Inspection Schedule ............................................................................................13
2.1-4 Owner’s Inspections .........................................................................................................................13
2.2 Major Components ........................................................................................................................................14
2.3 Major Assemblies ...........................................................................................................................................15
2.3-1 Base .................................................................................................................................................15
2.3-2 Turret .................................................................................................................................................15
2.3-3 Boom Assembly................................................................................................................................15
2.3-4 Platform .............................................................................................................................................15
2.4 Serial Number Nameplate .............................................................................................................................15
2.5 Component Identification ...............................................................................................................................16
2.5-1 Drive Bypass Valve ...........................................................................................................................16
2.5-2 Main Power Disconnect Switch ........................................................................................................16
2.5-3 Brake System....................................................................................................................................16
2.5-4 Tilt Switch ..........................................................................................................................................16
2.5-5 Turret Transportation Lock................................................................................................................17
2.5-6 All Motion Alarm................................................................................................................................17
2.5-7 Footswitch.........................................................................................................................................17
2.5-8 Manual Storage Box .........................................................................................................................17
2.5-9 Base Control Console.......................................................................................................................18
2.5-10 Platform Control Console .................................................................................................................20
2.6 Component Identification (Special Options) ..................................................................................................22
2.6-1 Tire Sealant (If Equipped) ................................................................................................................22
2.6-2 AC Outlet on Platform .......................................................................................................................22
2.6-3 Cold Weather Start (If Equipped) ....................................................................................................22
2.6-4 Work Light (If Equipped) ..................................................................................................................23
2.6-5 Flashing Amber Light (If Equipped) .................................................................................................23
2.6-6 Welder (If Equipped) ........................................................................................................................23
2.7 Operator’s Responsibility................................................................................................................................24
2.8 Visual and Daily Maintenance Inspections.....................................................................................................25
2.9 Function Tests .................................................................................................................................................33

SKYJACK, Page 5
September 2007
SJ 40T & SJ 45T
Table of Contents
Section 2 - Operation (Continued)
2.10 Start Operation................................................................................................................................................42
2.10-1 To Activate Base Control Console ....................................................................................................42
2.10-2 To Rotate Platform Using Base Control Console .............................................................................43
2.10-3 To Rotate Turret Using Base Control Console..................................................................................43
2.10-4 To Move Jib Up and Down Using Base Control Console (If Equipped) ..........................................43
2.10-5 To Raise or Lower Main Boom Using Base Control Console...........................................................43
2.10-6 To Extend or Retract Fly Boom Using Base Control Console..........................................................43
2.10-7 To Level Platform Using Base Control Console................................................................................43
2.10-8 To Operate Using Emergency Power Switch at Base Control Console...........................................44
2.10-9 To Activate Platform Control Console...............................................................................................44
2.10-10 To Drive Forward or Reverse Using Platform Control Console........................................................45
2.10-11 To Steer Using Platform Control Console.........................................................................................45
2.10-12 To Move Jib Up and Down Using Platform Control Console (If Equipped).....................................45
2.10-13 To Extend or Retract Fly Boom Using Platform Control Console ....................................................45
2.10-14 To Level Platform Using Platform Control Console ..........................................................................45
2.10-15 To Rotate Platform Using Platform Control Console ........................................................................45
2.10-16 To Raise or Lower Boom Using Platform Control Console ..............................................................45
2.10-17 To Rotate Turret Using Platform Control Console ............................................................................46
2.10-18 To Sound Horn..................................................................................................................................46
2.10-19 To Operate Using Emergency Power Switch at Platform Control Console .....................................46
2.10-20 Shutdown Procedure ........................................................................................................................46
2.10-21 Hydraulic Generator (If Equipped) ...................................................................................................46
2.10-22 To Switch Driving Light On (If Equipped) .........................................................................................46
2.11 Refueling Procedure .......................................................................................................................................47
2.11-1 Regular Fuel (Gasoline or Diesel).....................................................................................................47
2.12 Loading/Unloading .........................................................................................................................................48
2.12-1 Loading and Tie-down ......................................................................................................................48
2.12-2 Locking the Turret .............................................................................................................................49
2.12-3 Lifting.................................................................................................................................................49
2.13 Winching and Towing Procedure....................................................................................................................50
2.13-1 To Release Brakes Manually.............................................................................................................51
2.14 Emergency Lowering Procedures ..................................................................................................................52
2.15 Chassis Tilt ......................................................................................................................................................53
2.15-1 Counterweight Uphill ........................................................................................................................53
2.15-2 Counterweight Downhill....................................................................................................................53
2.16 Diagrams.........................................................................................................................................................54
2.17 Tables ..............................................................................................................................................................57
2.18 Labels..............................................................................................................................................................64
List of Tables
Table 2.1 Standard and Optional Features .............................................................................................................57
Table 2.2 Specifications and Features.....................................................................................................................58
Table 2.3 Owner’s Annual Inspection Record .........................................................................................................60
Table 2.4 Tire/Wheel Specifications.........................................................................................................................60
Table 2.5 Floor Loading Pressure............................................................................................................................61
Table 2.6 Maintenance and Inspection Schedule ..................................................................................................62
Table 2.7 Operator’s Checklist ................................................................................................................................63

SKYJACK, Page 7
September 2007
SJ 40T & SJ 45T
Section 1 - About Your Aerial Platform Read and Heed
SKYJACK is continuously improving and expanding product features on its equipment, therefore, specifications
and dimensions are subject to change without notice.
Aerial Platform Definition
A mobile device that has an adjustable position platform supported from ground level by a structure.
Purpose of Equipment
The SKYJACK Telescopic Boom Series (Models SJ 40T & SJ 45T) aerial platform is designed to transport and raise
personnel, tools and materials to overhead work areas.
Use of Equipment
The aerial platform is a highly maneuverable, mobile work station. Lifting and driving must be on a flat, level,
compacted surface. It can be driven over uneven terrain only when the platform is fully lowered.
Manual
The operating manual is considered a fundamental part of the aerial platform. It is a very important way to
communicate necessary safety information to users and operators. A complete and legible copy of this manual
must be kept in the provided weather-resistant storage compartment on the aerial platform at all times.
Operator
The operator must read and completely understand both this operating manual and the safety panel label located
on the platform and ALL other warnings in this manual and on the aerial platform. Compare the labels on the
aerial platform with the labels found within this manual. If any labels are damaged or missing, replace them
immediately.
Service Policy and Warranty
SKYJACK warrants each new SJT series work platform to be free of defective parts and workmanship for the first
24 months. Any defective part will be replaced or repaired by your local SKYJACK dealer at no charge for parts or
labor. Contact SKYJACK Service Department for warranty statement extensions or exclusions.
Optional Accessories
The SKYJACK aerial platform is designed to accept a variety of optional accessories. These are listed under
“Standard and Optional Features” in Table 2.1. Operating instructions for these options (if equipped) are located
in Section 2 of this manual.
For non-standard components or systems, contact the SKYJACK Service Department at
(: 800 275-9522
7: 630 262-0006
Include the model and serial number for each applicable aerial platform.
Scope of this Manual
a. This manual applies to the ANSI/SIA, CSA and AS versions of the Telescopic Boom aerial platform models
listed on Table 2.1.
- Equipment identified with “ANSI” meets the ANSI/SIA A92.5-2006 standard.
- Equipment identified with “CSA” meets the CSA B354.4-02 standard.
- Equipment identified with “AS” meets the AS 1418.10-2004 standard.
b. CSA (Canada)
Operators are required to conform to national, territorial/provincial and local health and safety regulations
applicable to the operation of this aerial platform.
c. ANSI/SIA (United States)
Operators are required by the current ANSI/SIA A92.5 standards to read and understand their responsibilities
in the manual of responsibilities before they use or operate this aerial platform.
1

SKYJACK, Page 8
September 2007
SJ 40T & SJ 45T
Section 1 - About Your Aerial Platform Safety Rules
WARNING
Failure to comply with your required responsibilities in the use and operation of the aerial platform
could result in death or serious injury!
Operator Safety Reminders
A study conducted by St. Paul Travelers showed that most accidents are caused by the failure of the operator to
follow simple and fundamental safety rules and precautions.
You, as a careful operator, are the best insurance against an accident. Therefore, proper usage of this aerial
platform is mandatory. The following pages of this manual should be read and understood completely before
operating the aerial platform.
Common sense dictates the use of protective clothing when working on or near machinery. Use appropriate safety
devices to protect your eyes, ears, hands, feet and body.
Any modifications from the original design are strictly forbidden without written permission from SKYJACK.

SKYJACK, Page 9
September 2007
SJ 40T & SJ 45T
Section 1 - About Your Aerial Platform Safety Rules
Electrocution Hazard
This aerial platform is not electrically insulated. Maintain a Minimum Safe Approach Distance (MSAD) from
energized power lines and parts as listed below. The operator must allow for the platform to sway, rock or sag.
This aerial platform does not provide protection from contact with or proximity to an electrically charged
conductor.
Per ANSI A92.5-2006 8.10(7)
“The operator shall perform only the work for which he or she is qualified, in compliance with all applicable safety
related work practices intended to prevent electric shock covered by the Code of Federal Regulations (CFR) 1910.333.
The operator’s level of competence shall be established only by persons qualified to do so. Operators shall
maintain the appropriate minimum approach distance (MAD) from energized power lines and parts covered by
CFR 1910.333 (c).”
Unqualified persons must maintain a minimum approach distance of 10 feet from any energized power line up to
50 kV. Energized power lines over 50 kV require a greater minimum approach distance to be maintained. Refer to
CFR 1910.333.
As per CSA B354.4-02
“The operator shall maintain the minimum safe approach distance (MSAD) from energized conductors at all times
in accordance with the authority having jurisdiction.”
Refer to CFR 1910.333 or the authority having jurisdiction.
DO NOT USE AERIAL PLATFORM AS A GROUND FOR WELDING.
DO NOT OPERATE AERIAL PLATFORM DURING LIGHTNING OR STORMS.
CE Guidance Note
“Avoidance of danger from overhead lines”
Voltage Range Minimum Safe Approach Distance
(Phase to Phase) (Feet)
0 to 300V Avoid Contact
Over 300V to 50KV 10
Over 50KV to 200KV 15
Over 200KV to 350KV 20
Over 350KV to 500KV 25
Over 500KV to 750KV 35
Over 750KV to 1000KV 45
60023AD
DANGER
FAILURE TO AVOID THIS HAZARD WILL RESULT IN DEATH OR SERIOUS INJURY!
Avoid Power Lines
Minimum Safe Approach Distance
ANSI/SIA A92.6-2006
and CSA B354.2-01 Requirements
Adhere strictly to the governmental rulings
and regulations applicable in your country.

SKYJACK, Page 10
September 2007
SJ 40T & SJ 45T
Section 1 - About Your Aerial Platform Safety Rules
Safety Precautions
Know and understand the safety precautions before going on to next section.
WARNING
Failure to heed the following safety
precautions could result in tip over,
falling, crushing, or other hazards leading
to death or serious injury.
• KNOW all national, state or territorial/provincial
and local rules which apply to your aerial platform
and jobsite.
• TURN the main power disconnect switch off when
leaving the aerial platform unattended. Remove
the key to prevent unauthorized use of the aerial
platform.
• WEAR all the protective clothing and personal
safety devices issued to you or called for by job
conditions.
• DO NOT wear loose clothing,
dangling neckties, scarves,
rings, wristwatches or other
jewelry while operating this
aerial platform .
• AVOID entanglement with
ropes, cords or hoses.
• AVOID falling. Stay within the
boundaries of the guardrails.
• DO NOT raise the platform in
windy or gusty conditions. Do
not increase the lateral surface
area of the platform. Increasing
the area exposed to the wind
will decrease aerial platform
stability.
• DO NOToperate aerial platform
during lightning or storms.
• DO NOT drive elevated near
depressions or holes of any
type, loading docks, debris,
drop-offs and surfaces that
may affect the stability of the
aerial platform.
• DO NOT drive or elevate the
aerial platform if it is not on a
firm level surface.
• Elevated driving must
only be done on a firm level
surface.
• If operation in areas
with holes or drop-offs
is absolutely necessary,
elevated driving shall not be
allowed. Position the aerial
platform horizontally only with
the platform fully lowered.
After ensuring that all 4 wheels or outriggers (if
equipped) have contact with level firm surface, the
aerial platform can be elevated. After elevation,
the drive function must not be activated.
• AVOID soft, uneven surfaces.
• DO NOT ascend or descend a
grade steeper than 45% (2WD
& 4WD). Boom elevated driving
must only be done on firm level
surfaces.




SKYJACK, Page 11
September 2007
SJ 40T & SJ 45T
Section 1 - About Your Aerial Platform Safety Rules
Safety Precautions (Continued)
Know and understand the safety precautions before going on to next section.
• DO NOT operate an aerial
platform that has ladders,
scaffolding or other devices
mounted on it to increase its
size or work height.
• DO NOT exert side forces on
aerial platform while elevated.
• DO NOT use the aerial
platform as a crane. It is
prohibited.
• DO NOT sit, stand or climb on
the guardrails. It is prohibited.
• BE AWARE of overhead
obstructions or other possible
hazards around the aerial
platform when driving or lifting.
• BE AWARE of crushing
hazards. Keep all body parts
inside platform guardrail.
• BE AWARE of blind spots when
operating the aerial platform.
• ENSURE that there are no
personnel or obstructions in
the path of travel, including
blind spots.
• DO NOT lower the platform unless the area below
is clear of personnel and obstructions.
• DO NOT use boom to push, pull other objects or
to lift the chassis.
• DO NOT raise the aerial
platform while it is on a
truck, forklift or other device
or vehicle.
• STUNT driving and
horseplay are prohibited.
• ENSURE ALL tires are in good condition and lug
nuts are properly tightened.
• DO NOT alter or disable limit switches or other
safety devices.
• DO NOTuse the aerial platform without guardrails,
locking pins and the entry gate in place.
• DO NOT exceed the rated capacity of the
aerial platform. Do make sure the load is evenly
distributed on the platform.

SKYJACK, Page 12
September 2007
SJ 40T & SJ 45T
Section 1 - About Your Aerial Platform Safety Rules
Safety Precautions (Continued)
Know and understand the safety precautions before going on to next section.
•DO NOT attempt to free a snagged platform with
lower controls until personnel are removed from
the platform.
•DO NOT position the aerial platform against
another object to steady the platform.
• DO NOT place materials on the guardrails or
materials that exceed the confines of the guardrails
unless approved by Skyjack.
Fall Protection
All occupants of this aerial platform must wear
personal fall protection equipment.
As per the ANSI A92.5-2006 standard, “Principal
fall protection is provided by the guardrail system.
The user shall direct and monitor the operator to
ensure that all components of the guardrail system
are in place. The user shall direct and monitor
the occupants of the work platform to ensure that
they wear a personal fall arrest system to protect
against the potential effects of ejection or a fall
restraint system to prevent a free fall.”
Fall restraint and fall arrest systems are defined
within the ANSI A92.5 Manual of Responsibilities
shipped with this aerial platform.
Skyjack recommends the use of a fall restraint
system to keep an occupant within the confines
of the platform, and thus not expose the occupant
to any fall hazard requiring a fall arrest.
CSA B354.4-02 requires the use of a fall arrest
system, therefore Canadian users must use
personal fall arrest protection as opposed to fall
restraint.
All personal fall protection equipment must comply
with applicable governmental regulations and must
be inspected and used in accordance with the
manufacturer’s recommendations.
All personal fall protection equipment must be
attached only to approved anchorage points within
the platform of the aerial platform.
WARNING
Entering and exiting the aerial platform
should only be done using the three
points of contact.
• Use only equipped access openings.
• Enter and exit only when the aerial
platform is in the fully retracted position.
•Do use three points of contact to enter and exit
the platform. Enter and exit the platform from
the ground only. Face the aerial platform when
entering or exiting the platform.
•Three points of contact means that two hands
and one foot or one hand and two feet are in
contact with the aerial platform or the ground at
all times during entering and exiting.
WARNING
An operator should not use any aerial
platform that:
does not appear to be working properly.
has been damaged or appears to have worn or
missing parts.
has alterations or modifications not approved by
the manufacturer.
has safety devices which have been altered or
disabled.
has been tagged or blocked out for non-use or
repair.
Failure to avoid these hazards could
result in death or serious injury.
Jobsite Inspection
Do not use in hazardous locations.
Perform a thorough jobsite inspection prior to
operating the aerial platform, to identify potential
hazards in your work area.
Be aware of moving equipment in the area. Take
appropriate actions to avoid collision.
•
•
•
•
•
•
•
•

SKYJACK, Page 13
September 2007
SJ 40T & SJ 45T
Section 2 - Operation
2.0 Operation
This section provides the necessary information needed
to operate the aerial platform. It is important that the user
reads and understands this section before operating
the aerial platform.
2.1 General
In order for this aerial platform to be in good working
condition, it is important that the operator meets the
necessary qualifications and follow the maintenance
and inspection schedule referred to in this section.
2.1-1 Operator Qualifications
Only trained and authorized personnel shall be
permitted to operate an aerial platform.
Safe use of this aerial platform requires the
operator to understand the limitations and
warnings, operating procedures and operator’s
responsibility for maintenance. Accordingly, the
operator must understand and be familiar with this
operating manual, its warnings and instructions,
and all warnings and instructions on the aerial
platform.
The operator must be familiar with employer’s work
rules and related government regulations and be
able to demonstrate the ability to understand and
operate this make and model of aerial platform in
the presence of a qualified person.
2.1-2 Operator’s Responsibility for
Maintenance
WARNING
Maintenance must be performed by
trained and competent personnel who are
familiar with mechanical procedures.
Death or serious injury could result from
the use of an aerial platform that is not
properly maintained or kept in good
working condition.
•
•
•
The operator must be sure that the aerial platform
has been properly maintained and inspected
before using it.
The operator must perform all the daily inspections
and function tests found in Table 2.6, even if
the operator is not directly responsible for the
maintenance of this aerial platform.
2.1-3 Maintenance and Inspection Schedule
The inspection points covered in Table 2.6 indicate
the areas of the aerial platform to be maintained or
inspected and at what intervals the maintenance
and inspections are to be performed.
The actual operating environment of the aerial
platform may affect the maintenance schedule.
WARNING
Use original or manufacturer-approved
parts and components for the aerial
platform.
2.1-4 Owner’s Inspections
It is the responsibility of the owner to arrange daily,
quarterly (or 150 hours) and annual inspections of the
aerial platform. Refer to Table 2.6 for recommended
maintenance and inspection areas and intervals. A
record of annual inspection is kept on a label located
close to the base control console on the cowling. Refer
to Table 2.3 in this manual.
•
•
•
•
2

SKYJACK, Page 14
September 2007
SJ 40T & SJ 45T
Section 2 - Operation
2.2 Major Components
SKYJACK Model SJ 45T Telescopic Boom
Platform
Jib
Control
Compartment
Engine
Compartment
Base
Fly Boom
Turret
Main Boom
Power Track
Platform Control Console
Base Control
Console
Lift Cylinder

SKYJACK, Page 15
September 2007
SJ 40T & SJ 45T
Section 2 - Operation
2.3 Major Assemblies
The aerial platform consists of four major assemblies:
the base, turret, boom assembly and platform.
2.3-1 Base
The base is a rigid one-piece weldment. Models
equipped with dual-fuel engine have mounting straps
for propane tank on each side. The rear axle is hydraulic
motor-driven and has a spring-applied hydraulically
released brakes. The front axle is steerable by a
hydraulic cylinder.
4WD Models:
The rear axle is coupled to the front axle by a
drive shaft.
2WD Models:
The front axle has two non-driven wheels.
2.3-2 Turret
The turret rotates 360 degrees continuously. Upon
the turret are two compartments. One compartment
contains the engine, hydraulic pumps, battery and swing
drive. The other compartment contains the base control
console, main hydraulic manifold, function valves, the
hydraulic and fuel tanks.
2.3-3 Boom Assembly
The boom is mounted on the turret and consists of
a telescoping fly and main boom assembly. This
mechanism uses two double-acting hydraulic cylinders
with holding valves to control vertical movement. The
SJ 45T model is equipped with a 60 in. (150 cm) boom
jib, controlled by a double-acting hydraulic cylinder.
2.3-4 Platform
The platform is constructed of a skid-resistant deck
surface allowing visibility through the deck and a 43 in.
(109 cm) high tubular steel railing system with mid
rails and 6 in. (15 cm) toe boards. The platform can be
entered through a swing side gate or an optional swing
gate at the center of the railing system. The platform can
be rotated in either direction. An AC GFI outlet is also
located on the platform.
2.4 Serial Number Nameplate
The serial number nameplate, located at the rear of the
aerial platform, lists the following:
Model number
Serial number
Maximum capacities
Maximum number of persons permissible on the
platform
Maximum manual force
Aerial platform weight
Maximum drivable height
Maximum platform height
System pressure
Lift pressure
Maximum wheel load
Voltage
•
•
•
•
•
•
•
•
•
•
•
•

SKYJACK, Page 16
September 2007
SJ 40T & SJ 45T
Section 2 - Operation Component Identification
2.5 Component Identification
The following descriptions are for identification,
explanation and locating purposes only.
2.5-1 Drive Bypass Valve
This valve is located on the inboard side of the drive
pump and can be identified with a yellow paint mark
on it.
1
Figure 2-1. Drive Bypass Valve
Drive Bypass Valve with Override Stems
- This valve, when loosened two revolutionsThis valve, when loosened two revolutions
counterclockwise, is used to override drive relief
valves so that the aerial platform can be loaded or
unloaded from a trailer using a winch line.
2.5-2 Main Power Disconnect Switch
This switch is located in the engine compartment near
the battery.
1
Figure 2-2. Main Power Disconnect Switch
Main Power Disconnect Switch - This switch,
when in “ ” off position, disconnects power
to all circuits. Switch must be in “ ” on position
to operate any circuit. Turn switch off when
transporting aerial platform.
1.
1.
2.5-3 Brake System
The brake system is located in the control compartment.
The brakes must be manually disengaged before
pushing, winching or towing. Refer to Section 2.13-1
for procedure on how to release brakes manually. The
system contains the following controls:
2
1
Figure 2-3. Brake System
1. Brake Hand Pump
2. Brake Auto Reset Valve Plunger
2.5-4 Tilt Switch
The tilt switch is located on top of the base control
console. It is designed to prevent driving when aerial
platform is on a slope greater than a predetermined
limit.
Figure 2-4. Tilt Switch
WARNING
If aerial platform becomes tilted causing
alarm to sound, the platform must be fully
lowered immediately. Ensure that aerial
platform is on a firm level surface before
operating the aerial platform. Refer to
Section 2.15 for instructions regarding
recovery from an inclined position.

SKYJACK, Page 17
September 2007
SJ 40T & SJ 45T
Section 2 - Operation Component Identification
2.5-5 Turret Transportation Lock
This locking device is located in the turret.
2
1
Figure 2-5. Turret Transportation Lock
Turret Transportation Lock - This locking device
is used to lock turret in place during shipping
only.
Turret Transportation Lock Retaining Pin - This
retaining pin is used to hold transportation lock
in either locked or unlocked position.
Refer to Section 2.12-2 for procedure on how to lock
the turret.
2.5-6 All Motion Alarm
This alarm produces an audible sound when any boom
function is activated. On aerial platforms with certain
options, a flashing amber light will accompany this
alarm.
1.
2.
2.5-7 Footswitch
The footswitch is located on the floor of the platform.
When depressed and held, it enables controls on
platform control console.
Figure 2-6. Footswitch
NOTE
The footswitch is equipped with a 15-second
anti-tiedown feature that deactivates
footswitch when operator depresses it
for 15 seconds without activating any
function.
2.5-8 Manual Storage Box
This weather-resistant box is mounted under the
control console on the platform.
It contains operating manual and
other important documentation. The
operating manual for this make and
model of aerial platform must remain
with the aerial platform and should
be stored in this box.

SKYJACK, Page 18
September 2007
SJ 40T & SJ 45T
Section 2 - Operation Component Identification
2.5-9 Base Control Console
This control console is located in the panel mounted in the control compartment.
13 12
1
2
3
4
11
10
871465
9
Figure 2-7. Base Control Console
1. Hourmeter - This gauge records accumulated
operating time of engine.
2. Platform Rotation Switch - This switch controls
“ ” left or “ ” right rotation of platform.
3. Start/Emergency Power Switch -This switch “ ”
starts engine or ““ ” enables emergency powerenables emergency power
unit.
4. Function Enable Switch -When held in either
direction, this momentary switch “ ” allows
base control functions to operate.
5. Base/Off/Platform Key Switch -This three-way
selector switch allows operator to ““ ” turn offturn off
power to aerial platform or to activate either “ ”
base or “ ” platform control console.
6. Turret Rotation Switch -This switch controls “ ”
left or “ ” right rotation of turret.
7. Main Boom Raise/Lower Switch -This switch
controls “ ” raising or “ ” lowering of
main boom.
8. E m e r g e n c y S t o p B u t t o n -T h i s r e d
“mushroom-head” “ ” pushbutton disconnects
power to control circuit and shuts engine off.
9. Fly Boom Extend/Retract Switch -This switch
controls “ ” extension or “ ” retraction of
fly boom.
10. Jib Up/Down Switch (If Equipped) -This switch
controls “ ” up or “ ” down movement
of jib.
Section 2 - Operation Component Identification

SKYJACK, Page 19
September 2007
SJ 40T & SJ 45T
Section 2 - Operation Component Identification
11. Platform Leveling Override Switch -This switch
overrides automatic leveling of platform and
controls “ ” tilting up or “ ” tilting down
of platform.
12. Engine Diagnosis Switch -When held in either
direction, this switch “ ” enables an error blink
code for engine control unit (ECU).
13. Circuit Breakers -In the event of a power overload
or positive circuit grounding, the circuit breaker
pops out. Push breaker back in to reset.
14. Status Indicator Pilot Lights -These lights
indicate operational status and errors in any
function in the controls/engine.
A B C D E F
A. Charging Circuit - This light indicates charger
circuit malfunction.
B. Engine Oil Pressure - This light indicates low
engine oil pressure.
C. Engine Coolant - This light indicates
overheating of engine coolant.
D. Engine - This light indicates failure in engine
control system.
E. Fuel - This light indicates low fuel level.
F. Glow Plug (Diesel) - This light illuminates
until glow plugs have completed their timed
cycle. When the lamp goes out, the engine is
ready to be started.
2.5-9 Base Control Console (Continued)
13 12
1
2
3
4
11
10
871465
9
Figure 2-7. Base Control Console
Component Identification Section 2 - Operation

SKYJACK, Page 20
September 2007
SJ 40T & SJ 45T
Section 2 - Operation Component Identification
2.5-10 Platform Control Console
This metal control console is mounted at front guardrail of the platform. It has the following controls:
4 5 6 7 8 9
1112131416 1015
321
Figure 2-8. Platform Control Console
1. Driving Light On/Off Switch (If Equipped) -
This switch turns the turret-mounted driving light
“ ” on or “ ” off.
2. Generator On/Off Switch (If Equipped) - This
switch turns the hydraulic generator “ ” on or
“ ” off.
3. Dual Fuel Switch (If Equipped) - This switch
selects between “ ” gasoline or “ ” liquid
propane gas.
4. Horn Pushbutton - This “ ” pushbutton sounds
an automotive-type horn.
5. Function Speed Adjuster Dial -This variable-
speed adjuster “ ” controls speed of fly boom
extension/retraction, jib raising/lowering and
platform rotation movements. This is used with
switches 11, 12 and 14.
6. Emergency Stop Button -This red “mushroom-
head” “ ” pushbutton disconnects power to
control circuit and shuts engine off.
7. Engine Speed Switch -This switch selects “ ”
high or “ ” low engine speed.
8. Torque Switch -This switch selects “ ” low
or “ ” high torque.
9. Start/Emergency Power Switch -This switch
“” starts engine or enables “ ” emergency
power unit.
10. Drive/Steer Controller -This one-hand lever
controls driving “ ” forward or “ ” backward.
The rocker switch controls steering “ ” left
or “ ” right. Internal springs return it to
neutral when stick is released.
11. Jib Up/Down Switch (If Equipped) -This switch
controls “ ” up or “ ” down movement
of jib.
12. Fly Boom Extend/Retract Switch -This switch
controls “ ” extension or “ ” retraction of
fly boom.

SKYJACK, Page 21
September 2007
SJ 40T & SJ 45T
Section 2 - Operation Component Identification
13. Platform Leveling Override Switch -This switch
overrides automatic leveling of platform and
controls “ ” tilting up or “ ” tilting down
of platform.
14. Platform Rotation Switch - T h i s
switch controls “ ” left or “ ” right rotation
of platform.
15. Status Indicator Pilot Lights -These lights
indicate operational status and errors in any
function in the controls/engine.
A B C D E
A. Footswitch - This light illuminates when
footswitch is depressed. A 15-second anti-
tiedown feature deactivates footswitch when
operator depresses it for 15 seconds without
activating any function.
B. Chassis Tilt - This light illuminates when the
aerial platform chassis is at an inclination that
activates the tilt switch. At this inclination, an
audible alarm will sound at the platform. Refer
to Section 2.15 for instructions regarding
recovery from an inclined position.
C. Engine - This light indicates failure in engine
control system.
D. Fuel - This light indicates low fuel level.
E. Glow Plug (Diesel) - This light illuminates
until glow plugs have completed their timed
cycle. When the lamp goes out, the engine is
ready to be started.
16. Boom/Turret Controller -This dual-axis lever
controls “ ” raising or “ ” lowering of
main boom or rotating “ ” left or “ ” right of
turret.
2.5-10 Platform Control Console (Continued)
4 5 6 7 8 9
1112131416 1015
321
Figure 2-8. Platform Control Console

SKYJACK, Page 22
September 2007
SJ 40T & SJ 45T
Section 2 - Operation Component Identification (Special Options)
2.6 Component Identification
(Special Options)
The following descriptions are for identification,
explanation and locating purposes only.
2.6-1 Tire Sealant (If Equipped)
This option is identified with a tire sealant label located
at the rim of the wheel.
1
2
Figure 2-9. Tire Sealant Label
Tire Sealant Label - This label indicates that tire sealant
is present inside the tires.
Tire Valve Stem Cap - This green valve stem cap
is substituted onto air tires to indicate sealant has
been installed.
Sealant - This symbol signifies that tire is equipped
with sealant.
WARNING
The operator must properly handle tires
with sealant.
When depressurizing, inflating or check-
ing tire pressure, ensure that valve stem is
at the top to prevent sealant from entering
the stem (refer to Figure 2-10).
If tire no longer holds pressure, replace
tire.
WARNING
The sealant contains propylene glycol.
Do not ingest, inhale or get into eyes. If
it gets into your eyes, flush with water for
15 minutes. Consult physician.
1.
2.
•
•
2.6-2 AC Outlet on Platform (If Equipped)
This outlet is a source of 110V power on the platform.
The outlet is located on the right side of platform control
console and the plug is located beside hydraulic tank
in control compartment .
Figure 2-10. AC Outlet and Electrical Plug
2.6-3 Cold Weather Start (If Equipped)
The battery warmer/hydraulic oil heater cord is located
on the engine compartment near the battery.
1
Figure 2-11. Battery Warmer/Hydraulic Oil Heater Cord
Battery Warmer/Hydraulic Oil Heater Cord
- This cord is plugged into the AC outlet at least
4 hours before starting engine when temperature
gets below -11°C (+11°F).
1.