Skyjack SJ 7135 User manual

Operating Manual
Mid-Size & Full-Size Rough Terrain Series (AS)
MODELS SJ 7127 SJ 7135 SJ 8831 SJ 8841 SJ 9250
157938AA-A April 2011

Skyjack Service Center 3451 Swenson Ave. St. Charles, Illinois, 60174 USA
Phone: [phone]
Toll Free: 1-800-275-9522
Fax: [phone]
Email: [email protected]om
Parts (North America)
Toll Free: 1-800-965-4626
Toll Free Fax: [phone]
Email: [email protected]
Parts & Service (Europe) Unit 1 Maes Y Clawdd, Maesbury Road Industrial Estate
Oswestry, Shropshire SY10 8NN UK
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Skyjack Asia Pacific
Singapore
Phone: [phone]
Fax: [phone]
Email: [email protected]
This manual is based on Serial Number(s):
SJRT 71XX 34,001,951 & Above
SJRT 8831 36,000,233 & Above
SJRT 8841 40,000,728 & Above
SJRT 9250 50,000,746 & Above
Please refer to the website (www.skyjack.com) for older Serial Numbers.

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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.
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.

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Table of Contents
Section 1 - About Your Aerial Platform ................................................................................................. 5
Reed and Heed .....................................................................................................................................................5
Safety Rules...........................................................................................................................................................6
Section 2 - Familiarization ................................................................................................................... 11
2.1 Familiarization of SJRT Mid Size and Full Size Series.....................................................................11
2.2 Component Identification.................................................................................................................12
2.3 Visual & Daily Maintenance Inspections..........................................................................................16
2.4 Function Tests ..................................................................................................................................26
2.5 Winching and Towing Procedure.....................................................................................................36
2.6 Emergency Lowering Procedures ...................................................................................................37
Section 3 - Operation ........................................................................................................................... 39
3.1 General .............................................................................................................................................39
3.2 Major Components...........................................................................................................................40
3.3 Major Assemblies .............................................................................................................................41
3.4 Serial Number Nameplate................................................................................................................41
3.5 Component Identification.................................................................................................................42
3.6 Component Identification (Special Options)....................................................................................44
3.7 Operator’s Responsibility.................................................................................................................46
3.8 Start Operation .................................................................................................................................47
3.9 Refueling Procedure.........................................................................................................................54
3.10 Loading/Unloading...........................................................................................................................55
3.11 Guardrail Folding Procedure............................................................................................................58
3.12 Maintenance Support Procedure.....................................................................................................60
Section 4 - Tables.................................................................................................................................. 61
Table 4.1 Standard and Optional Features......................................................................................................61
Table 4.2 Owner’s Annual Inspection Record .................................................................................................62
Table 4.3 Specifications and Features.............................................................................................................63
Table 4.4 Maximum Platform Capacities (Evenly Distributed) ........................................................................64
Table 4.5 Floor Loading Pressure....................................................................................................................65
Table 4.6 Tire Specifications ............................................................................................................................67
Table 4.7 Maintenance and Inspection Schedule ...........................................................................................68
Table 4.8 Operator’s Checklist.........................................................................................................................69
Section 5 - Labels.................................................................................................................................. 71

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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 and Mobile Elevating Work Platform Definition
A mobile device that has a positionable platform supported from ground level by a structure.
Purpose of Equipment
The SKYJACK Rough Terrain’s mid and full size aerial platforms are 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. Work platform elevation and elevated driving
must only be done on a firm 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 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 SJRT Series aerial 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 the 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 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
(: 44-1691-676-235
7: 44-1691-676-239
Include the model and serial number for each applicable aerial platform.
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 aerial platform.
Section 1 - About Your Aerial Platform
Reed and Heed
1
1
1
1
Rev AB - Sept 9/11

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Safety Rules Section 1 - About Your Aerial Platform
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.
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.
DO NOT USE THE AERIAL PLATFORM AS A GROUND FOR WELDING.
DO NOT OPERATE THE AERIAL PLATFORM DURING LIGHTNING OR STORMS.
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)
Safety Rules

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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/provincial and local
rules which apply to your aerial platform and
jobsite.
• TURN 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 aerial
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 NOT drive or elevate the
aerial platform if it is not on a
firm 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 aerial platform.
• 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.
• Elevated driving must
only be done on a firm level
surface.
• DO NOT ascend or descend
a grade when elevated. When
fully lowered, ascending or
descending, only grades up
to rated maximum listed in
Table 4.3 are permissible.




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Page 8 December 2007
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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 on surfaces not capable
of holding the weight of the aerial platform
including the rated load, e.g., covers, drains, and
trenches.
• DO NOT operate an aerial
platform that has ladders,
scaffolding or other devices
mounted on it to increase its size
or work height. It is prohibited.
• 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.
• DO NOT climb on scissor arm
assembly. It is prohibited.
• BE AWARE of overhead
obstructions or other possible
hazards around the aerial
platform when driving or lifting.
• DO NOT raise the platform
while the aerial platform is on a
truck, forklift or other device or
vehicle.
• BE AWARE of crushing
hazards. Keep all body parts
inside platform guardrail.
• DO NOT lower the platform
unless the area below is
clear of personnel and
obstructions.
• ENSURE that there are no personnel or
obstructions in the path of travel, including blind
spots.
• BE AWARE of blind spots when operating the
aerial platform.
• 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 NOT use the aerial platform without
guardrails, locking pins and the entry gate/chain/
bar in place.

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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
aerial platform. Do make sure the load is evenly
distributed on the platform.
• 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.
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 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 aerial platform, to identify potential
hazards in your work area.
• Be aware of moving equipment in the area. Take
appropriate actions to avoid collision.

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Section 2- Familiarization SJRT Series
1
2
1
2
1
2
FAMILIARIZATIONFAMILIARIZATION
Section 2 - Familiarization
WARNING
Aerial Platform Familiarization should be given only to individuals who are QUALIFIED And
TRAINED to operate an aerial platform.
Do not operate this aerial platform 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 aerial platform.
2.1 Familiarization of SJRT Mid Size and Full Size Series
Main Power
Disconnect
Manual
Box
Base
Control
Console
Platform Control
Console
Holding Valve
Manual Override
Knob
Engine Control
Console
Power Extension
Control Console
Outrigger
Control Console
Brake Auto Reset
Valve Plunger
Brake Hand
Pump
Emergency
Lowering
Valve (71XX,
88XX, 9250)
Emergency
Lowering
Pushbutton
(9250 ONLY)
Emergency
Powered
Extension
Retraction System
(9250 ONLY)