Skyjack SJ45T User manual

.
TELESCOPIC BOOMS
MODELS SJ45T SJ66T
207522AB-A May 2018
OPERATING MANUAL (AS)

This manual is based on Serial Number(s):
SJ 45T 98 001 767 & Above
SJ 66T 97 001 833 & Above
Please refer to the website (www.skyjack.com) for older Serial Numbers.
Parts (North America)
Toll Free: 1-800-965-4626
Toll Free Fax: [phone]
E-mail: [email protected]
Skyjack Australia Pty Ltd.
Unit 1, 35 Honeycomb Drive
Eastern Creek
New South Wales 2766
Australia
Tel: [phone]
Fax: [phone]
Skyjack Brasil
Indaiatuba, SP, Brasil 13347-653
Tel: [phone]
Alameda Júpiter, 710
Loteamento American Park Empresarial
Skyjack Service Center
3451 Swenson Ave. St. Charles,
Phone: [phone]
Toll Free: 1-800-275-9522
Fax: [phone]
Email: [email protected]om
Illinois, 60174 USA
Parts & Service (Europe)
Unit 1 Maes Y Clawdd
Oswestry, Shropshire SY10 8NN UK
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Maesbury Road Industrial Estate

Telescopic Booms
December 2007 Page 3
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 MEWP.
The Safety Alert Symbol identies important
safety messages on MEWP, 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.

Page 4 December 2007
Telescopic Booms
Table of Contents
Section 1 - About Your MEWP ................................................................................................................ 5
Read and Heed .....................................................................................................................................................5
Safety Rules ...........................................................................................................................................................6
Section 2 - Familiarization ................................................................................................................... 11
2.1 Familiarization of Telescopic Boom Series ...............................................................................................11
2.2 Component Identication ..........................................................................................................................12
2.3 Visual & Daily Maintenance Inspections ...................................................................................................19
2.4 Function Tests ............................................................................................................................................27
2.5 Winching and Towing Procedure ..............................................................................................................37
2.6 Emergency Lowering Procedures .............................................................................................................39
Section 3 - Operation ........................................................................................................................... 41
3.1 General ......................................................................................................................................................41
3.2 Major Components ....................................................................................................................................42
3.3 Major Assemblies ......................................................................................................................................43
3.4 Serial Number Nameplate .........................................................................................................................43
3.5 Component Identication ..........................................................................................................................44
3.6 Component Identication (Optional Equipment/Attachments).................................................................45
3.7 Operator’s Responsibility ..........................................................................................................................47
3.8 Start Operation ..........................................................................................................................................48
3.9 Refueling Procedure ..................................................................................................................................53
3.10 Loading/Unloading ....................................................................................................................................54
3.11 Chassis Tilt.................................................................................................................................................57
Section 4 - Tables .................................................................................................................................. 61
Table 4.1 Standard and Optional Features .....................................................................................................61
Table 4.2a Specications and Features ............................................................................................................62
Table 4.2b Specications and Features ............................................................................................................63
Table 4.3 Owner’s Annual Inspection Record .................................................................................................64
Table 4.4 Tire/Wheel Specications ................................................................................................................64
Table 4.5 Maximum Platform Capacities .........................................................................................................64
Table 4.6 Floor Loading Pressure ...................................................................................................................65
Table 4.7 Maintenance and Inspection Schedule ...........................................................................................66
Table 4.8 Operator’s Checklist ........................................................................................................................67
Section 5 - Labels .................................................................................................................................. 69

Telescopic Booms
December 2007 Page 5
Section 1 - About Your Aerial Platform Read and Heed
SKYJACK is continuously improving and expanding product features on its equipment, therefore, specications
and dimensions are subject to change without notice.
MEWP (Mobile Elevating Work 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 45T & SJ 66T) MEWP is designed to transport and raise personnel,
tools and materials to overhead work areas.
Use of Equipment
The MEWP is a highly maneuverable, mobile work station. Work platform elevation and elevated driving must only
be done on a rm, level 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 MEWP. 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 MEWP 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 MEWP. Compare the labels on the MEWP 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 rst
24 months. Any defective part will be replaced or repaired by your local SKYJACK dealer at no charge for parts or
labor. Contact the SKYJACK Service Department for warranty statement extensions or exclusions.
Optional Accessories
The SKYJACK MEWP is designed to accept a variety of optional accessories. These are listed under “Standard
and Optional Features” in Table 4.1. Operating instructions for these options (if equipped) are located in Section 3
of this manual.
For non-standard components or systems, contact the SKYJACK Service Department at
( : 61 (0) 28786 3200
7 : 61 (0) 28786 3222
Include the model and serial number for each applicable MEWP.
Scope of this Manual
a. This MEWP meets requirements of the Guideline published by the National Regulators’ Committee on High
Risk Plant dated 27 May 2010.
b. Operators are required to conform to national, state or territorial/provincial and local health and safety regulations
applicable to the operation of this MEWP.
1

Page 6 December 2007
Telescopic Booms
Safety Rules Section 1 - About Your Aerial Platform
WARNING
Failure to comply with your required responsibilities in the use and operation of the MEWP 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 MEWP is
mandatory. The following pages of this manual should be read and understood completely before operating the
MEWP.
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 modications from the original design are strictly forbidden without written permission from SKYJACK.
Electrocution Hazard
This MEWP 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 MEWP does not
provide protection from contact with or proximity to an electrically charged conductor.
DO NOT USE MEWP AS A GROUND FOR WELDING.
DO NOT OPERATE MEWP DURING LIGHTNING OR STORMS.
DO NOT OPERATE THE MEWP NEAR POWER LINES. MAINTAIN A MINIMUM SAFE APPROACH
DISTANCE (MSAD) FROM ENERGIZED POWER LINES.
Without Spotter With Spotter
Up to and including 133KV 6.4 3
Greater than 133KV 10 8
1013AA
Voltage Range (Phase to Phase)
DANGER
FAILURE TO AVOID THIS HAZARD WILL RESULT IN DEATH OR SERIOUS INJURY!
Avoid Power Lines
Minimum Safe Approach Distance
AS 2550.10-2006 Requirements
Minimum Safe Approach Distance (Meters)

Telescopic Booms
December 2007 Page 7
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 MEWP and
jobsite.
• TURN main power disconnect switch “ ” off
when leaving the MEWP unattended. Remove the
key to prevent unauthorized use of the MEWP.
• 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
MEWP .
• AVOID entanglement with
ropes, cords or hoses.
• AVOID falling. Stay within the
boundaries of the guardrails.
• DO NOT raise the MEWP or
operate elevated in windy or
gusty conditions that exceed
the limits specied in Section 4,
Table 4.5.
• DO NOT increase the lateral
surface area of the platform.
Increasing the area exposed to
the wind will decrease MEWP
stability. Avoid tenting.
• DO NOT elevate the MEWP if it is not on a rm,
level surface.
• 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
MEWP.
• DO NOT elevate or drive
elevated on a slope. Elevated
driving must be done on a rm,
level surface.
• If operation in areas
with holes or drop-offs
is absolutely necessary,
elevated driving shall not be
allowed. Position the MEWP
horizontally only with the
platform fully lowered. After
ensuring that all 4 wheels
or outriggers (if equipped)
have contact with a rm, level
surface, the MEWP can be
elevated. After elevation, the
drive function must not be
activated.
• DO NOT drive elevated on a
soft or uneven surface.
• DO NOT ascend or descend a
grade steeper than 50% (2WD
& 4WD). Boom elevated driving
must only be done on a rm,
level surface.

Page 8 December 2007
Telescopic Booms
Safety Rules Section 1 - About Your Aerial Platform
Safety Precautions (Continued)
Know and understand the safety precautions before going on to next section.
• DO NOT operate an MEWP
that has ladders, scaffolding or
other devices mounted on it to
increase its size or work height.
It is prohibited.
• DO NOT exert horizontal
(manual) force on MEWP that
exceeds the limits specied in
Table 4.5.
• DO NOT use the MEWP as a
crane. It is prohibited.
• DO NOT climb on boom arm
assembly. It is prohibited.
• DO NOT sit, stand or climb on
the guardrails. It is prohibited.
• AVOID overhead obstructions.
Be aware of overhead
obstructions or other possible
hazards around MEWP when
lifting or driving.
• AVOID crushing hazards. Be
aware of crushing hazards
when lifting or driving. Keep all
body parts inside the MEWP.
• BE AWARE of blind spots
when operating the MEWP.
• 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 MEWP 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 use with improperly
inated/damaged tires or
wheels. Refer to Section 2:
Wheel/Tire Assembly.
• DO NOT alter or disable limit switches or other
safety devices.
• DO NOT use the MEWP without guardrails,
locking pins and the entry gate in place.

Telescopic Booms
December 2007 Page 9
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 exceed the rated
capacity of the MEWP.
• DO NOT distribute load
unevenly.
• DO NOT use under inuence of
alcohol or drugs.
• DO NOT attempt to free a snagged platform with
lower controls until personnel are removed from
the platform.
• DO NOT position the MEWP against another
object to steady the platform.
• DO NOT place materials on the guardrails or
materials that exceed the connes of the guardrails
unless approved by Skyjack.
• DO NOT operate if MEWP is
not working properly or if any
parts are damaged or worn.
• DO NOT leave MEWP
unattended with key in key
switch.

Page 10 December 2007
Telescopic Booms
Safety Rules Section 1 - About Your Aerial Platform
Safety Precautions (Continued)
Know and understand the safety precautions before going on to next section.
WARNING
Entering and exiting the MEWP should
only be done using the three points of
contact.
• Use only equipped access openings.
• Enter and exit only when the MEWP 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 MEWP 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 MEWP or the ground at all times
during entering and exiting.
WARNING
An operator should not use any MEWP that:
• does not appear to be working properly.
• has been damaged or appears to have worn
or missing parts.
• has alterations or modications not approved
by the manufacturer.
• has safety devices which have been altered
or disabled.
• has been tagged or locked 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 MEWP, to identify potential hazards
in your work area.
• Be aware of moving equipment in the area. Take
appropriate actions to avoid collision.

Telescopic Booms
December 2007 Page 11
Section 2 - Familiarization SJ TB Series
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.1 Familiarization of Telescopic Boom Series
2
WARNING
MEWP Familiarization should be given only to individuals who are COMPETENT And
TRAINED to operate an MEWP.
Do not operate this MEWP without proper authorization and training. Failure to avoid this
hazard could result in death or serious injury.
It is the responsibility of the operator to read, completely understand and follow all
instructions and warnings contained in this operating manual and on the MEWP.
Platform Control
Console
Base Control
Console
Manual
Box
Main Power
Disconnect
Switch
Footswitch
Brake Hand
Pump
Brake Auto
Reset Valve
Plunger
Drive Bypass
Valve
Brake Auto
Reset Valve
Plunger
45T 66T
2

Page 12 December 2007
Telescopic Booms
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.2 Component Identification
The following descriptions are for identification,
explanation and locating purposes only.
2.2-1 Drive Bypass Valve
This valve is located on the inboard side of the drive
pump and can be identied with a yellow paint mark
on it.
1
Figure 2-1. Drive Bypass Valve
1. Drive Bypass Valve with Override Stems
- This valve, when loosened two revolutions
counterclockwise, is used to override drive
relief valves so that the MEWP can be loaded or
unloaded from a trailer using a winch line.
2.2-2 Main Power Disconnect Switch
This switch is located in the engine compartment near
the batteries.
1
Figure 2-2. Main Power Disconnect Switch
1. 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 MEWP.
2.2-3 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 2.5-1
for procedure on how to release brakes manually. The
system contains the following controls:
1
2
Figure 2-3a. Brake System - SJ45T
2
1
Figure 2-3b. Brake System - SJ66T
1. Brake Hand Pump
2. Brake Auto Reset Valve Plunger
2.2-4 Tilt Sensor
The tilt sensor is located inside the base control console.
It is designed to prevent driving and activate audible and
visual alarms when MEWP is on a slope greater than a
predetermined limit.
WARNING
If MEWP becomes tilted causing alarm
to sound, the platform must be fully
lowered immediately. Ensure that MEWP
is on a rm level surface before operating
the MEWP. Refer to Section 3.11 for
instructions regarding recovery from an
inclined position.
Control Functions Section 2 - Familiarization

Telescopic Booms
December 2007 Page 13
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.2-5 Differential Lock Switch
This switch is located on the platform control console.
The differential locking system provides more traction
by providing equal drive to each wheel regardless of
traction. Differential locks are used to prevent from
getting stuck when driving on loose, muddy, or rocky
terrain. Refer to Section 2.4-3 for instruction regarding
testing differential lock switch.
WARNING
Before engaging differential lock, ensure
drive/steer controller is in neutral position.
2.2-6 Footswitch
The footswitch is located on the oor of the platform.
When depressed and held, it enables controls on
platform control console.
Figure 2-4. 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.
Section 2 - Familiarization Control Functions

Page 14 December 2007
Telescopic Booms
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.2-7 Platform Load Sensing System
The platform load sensing system is a device that senses for an overload on the platform before the system disables
boom and drive functions. This system is active when MEWP is powered on.
When the platform is overloaded while in work mode (boom is raised greater than 15 degrees from horizontal or is
extended greater than 6 inches), the load sensing system will disable all normal functions and signal the operator
with an indicator light and an audible alarm.
When the platform is overloaded while in travel mode, the load sensing system will signal the operator with an
indicator light and an audible alarm but will not disable any normal functions.
The following table shows the progression of warnings, indicated to the operator, up to the point of overload.
Overload Status Chart
Weight Indicator Light Audible Alarm MEWP System
93% On Off Enabled
100% Flashing Off Enabled
≥ 100%
(Work Mode) Flashing Pulsing Disabled
≥ 100%
(Travel Mode) Flashing Pulsing Enabled
NOTE
If the platform is overloaded due to contact with an overhead obstruction, do one of the following:
• Remove the obstruction from the platform, then after a four-second delay normal functions can be resumed.
• Use the emergency power unit at the base control console or platform control console to release the platform
from the obstruction.
Control Functions Section 2 - Familiarization

Telescopic Booms
December 2007 Page 15
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.2-8 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 2-5. 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 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 off
power to MEWP 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. Emergency Stop Button - This red
“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
y boom.
10. Jib Up/Down Switch - This switch controls
“ ” up or “ ” down movement of jib.
Section 2 - Familiarization Control Functions

Page 16 December 2007
Telescopic Booms
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
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.
AB 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.
2.2-8 Base Control Console (Continued)
13 12
1
2
3
4
11
10
871465
9
Figure 2-5. Base Control Console
Control Functions Section 2 - Familiarization

Telescopic Booms
December 2007 Page 17
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.2-9 Platform Control Console
This control console is mounted at front guardrail of the platform. It has the following controls:
245 6
1012 814
71
1316
3
15 11 9
Figure 2-6. Platform Control Console
1. Engine Start/On/Off Switch - This switch, when
held momentarily in “ ” start position, starts
engine. Once started, the switch returns to “ ”
on position. When in “ ” off position, it turns
engine off.
2. Horn Pushbutton - This “ ” pushbutton sounds
an automotive-type horn.
3. Status Indicator Pilot Lights - These lights
indicate operational status and errors in any
function in the controls/engine.
AB C D E F
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 MEWP chassis is at an inclination that
activates the tilt sensor. At this inclination, an
audible alarm will sound at the platform. Refer
to Section 3.11 for instructions regarding
recovery from an inclined position.
C. Overload Light - This red light indicates
overload status. Refer to Section 2.2-7.
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.
4. Emergency Stop Button - This red “mushroom-
head” “ ” pushbutton disconnects power to
control circuit and shuts engine off.
5. Emergency Power Unit - This switch “ ”
enables emergency power unit.
6. Torque Switch - This switch selects “ ” low
or “ ” high torque. Select “ ” low torque
(higher speed) or “ ” high torque (lower
speed). Select “ ” high torque when driving
on a slope.
Section 2 - Familiarization Control Functions

Page 18 December 2007
Telescopic Booms
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
7. Low/High Throttle Switch - This switch allows
selection between “ ” low and “ ” high
engine throttle speeds.
8. Drive/Steer Controller - This single-axis lever
controls driving “ ” forward or “ ” backward.
The rocker switch controls steering “ ” left or
“ ” right. Internal springs return it to neutral
when stick is released.
9. Differential Lock Switch - This momentary switch,
when pushed forward and then released, engages
“ ” differential lock and turns differential light
on. When pulled backward and then released,
disengages “ ” differential lock and turns
differential light off.
10. Jib Up/Down Switch - This switch controls
“ ” up or “ ” down movement of jib.
11. Function Speed Adjuster Dial - This variable-
speed adjuster “ ” controls speed of y boom
extension/retraction, jib raising/lowering and
platform rotation movements. This is used with
switches 9, 11 and 13.
12. Fly Boom Extend/Retract Switch - This switch
controls “ ” extension or “ ” retraction of
y boom.
13. Platform Leveling Override Switch - This switch
overrides automatic leveling of platform and
controls “ ” tilting up or “ ” tilting down
of platform. To activate platform leveling override,
lift and move switch.
14. Platform Rotation Switch - This switch controls
“ ” left or “ ” right rotation of platform.
15. Generator On/Off Switch (If Equipped) - This
switch turns the hydraulic generator “ ” on or
“ ” off.
16. Boom/Turret Controller - This dual-axis lever
controls “ ” raising or “ ” lowering of main
boom or rotating “ ” left or “ ” right of turret.
2.2-9 Platform Control Console (Continued)
245 6
1012 814
71
1316
3
15 11 9
Figure 2-6. Platform Control Console
Control Functions Section 2 - Familiarization

Telescopic Booms
December 2007 Page 19
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.3 Visual & Daily Maintenance
Inspections
Begin the visual and daily maintenance inspections
by checking each item in sequence for the conditions
listed in this section.
WARNING
To avoid injury, do not operate an MEWP
until all malfunctions have been corrected.
WARNING
To avoid possible injury, ensure MEWP
power is off during your visual and daily
maintenance inspections.
CAUTION
Ensure MEWP is on a rm, level
surface.
NOTE
While doing visual and daily inspections
in different areas, be aware to also inspect
limit switches, electrical and hydraulic
components.
2.3-1 Labels
Refer to Section 5 - Labels in this manual and determine
that all labels are in place and are legible.
2.3-2 Electrical
Maintaining the electrical components is essential to
good performance and service life of the MEWP.
Inspect the following areas for chafed, corroded
and loose wires:
• boom to platform cable harness
• engine compartment electrical panel
• engine wiring harness
• rotary manifold wiring
2.3-3 Limit Switches
Ensure limit switches are properly secured with no signs
of visible damage and movement is not obstructed.
2.3-4 Hydraulic
Maintaining the hydraulic components is essential to
good performance and service life of the MEWP.
Perform a visual inspection around the following
areas:
• hydraulic tank lter, ttings, hoses, emergency
power unit and turret/base surface
• engine compartment ttings, hoses, main
pump, lter and turret/base surface
• all hydraulic cylinders
• all hydraulic manifolds
• the underside of the turret
• the underside of the base
• ground area under the MEWP
Platform
Assembly
Platform Control
Console
Platform
Railing
Manuals
Footswitch
Section 2 - Familiarization Visual & Maintenance Inspection

Page 20 December 2007
Telescopic Booms
It is the responsibility of the operator to read, completely understand and follow all instructions and warnings
contained in this operating manual and on the aerial platform.
FAMILIARIZATION
2.3-5 Engine Compartment
-Ensure all compartment latches are secure
and in proper working order.
• Main Power Disconnect Switch
(see right side for 66T)
-Turn main power disconnect switch to
“ ” off position.
-Ensure there are no loose or missing
parts and there is no visible damage.
-Ensure all cables are secure and switch
is in proper working condition.
• Batteries
Proper battery condition is essential to good
engine performance and operational safety.
Improper uid levels or damaged cables and
connections can result in engine component
damage and hazardous conditions.
WARNING
Explosion hazard. Keep ames
and sparks away. Do not smoke
near batteries.
WARNING
Battery acid is extremely corrosive -
Wear proper eye and facial protection as
well as appropriate protective clothing.
If contact occurs, immediately ush with
cold water and seek medical attention.
1. Check battery cases for damage.
2. Clean battery terminals and cable ends
thoroughly with a terminal cleaning tool or
wire brush.
3. Ensure all battery connections are tight.
4. If applicable, check battery uid level. If plates
are not covered by at least 13 mm (1/2”) of
solution, add distilled or demineralized water.
5. Replace battery if damaged or incapable of
holding a lasting charge.
WARNING
Use original or manufacturer-approved
parts and components for the MEWP.
• Swing Drive Motor
-Ensure there are no loose or missing
parts and there is no visible damage.
-Ensure all bolts are properly tightened.
-Ensure all ttings and hoses are properly
tightened and there is no evidence of
hydraulic leakage.
Main Power Disconnect Switch
Swing Drive Motor
Battery
High Pressure
Filter Hydraulic
Pumps
Mufer
Engine
Air Filter
Typical SJ 45T shown
(for model 66T, see note below)
Visual & Maintenance Inspection Section 2 - Familiarization