Skyjack SJ12 Operation Manual
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Skyjack SJ12 Operation Manual

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OPERATION
MANUAL
SJ12, SJ16
VERTICAL MAST
213721AAA
September 2019
ANSI/CSA

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Summary of Contents for Skyjack SJ12

  • Page 1 OPERATION MANUAL SJ12, SJ16 VERTICAL MAST 213721AAA September 2019 ANSI/CSA...
  • Page 2 This manual is for MEWPs with serial numbers: SJ12, SJ16: A600 000 001 & above Please refer to the website (www.skyjack.com) for contact information, other Serial Numbers, most recent Technical Manuals, and USB software. Original instructions in English.
  • Page 3 It may also be used to alert against unsafe practices. Blue Safety information. IMPORTANT IMPORTANT indicates a procedure essential for safe operation and which, if not followed, may result in a malfunction or damage to the MEWP . SJ12, SJ16 213721AAA...
  • Page 4 Notes 213721AAA SJ12, SJ16...

  • Page 5: Table Of Contents

    Emergency-lowering system ............25 SJ12, SJ16...
  • Page 6 4.3-17 Do a test of the SGLE switch (optional equipment) ........44 213721AAA SJ12, SJ16...
  • Page 7 Section 9 – Unique Skyjack Features ........
  • Page 8 Notes 213721AAA SJ12, SJ16...

  • Page 9: Section 1 - About This Mobile Elevating Work Platform (Mewp)

    3000 hours, whichever occurs first. Any defective 1.1-2 Purpose of equipment part will be replaced or repaired by your local Skyjack The Skyjack Vertical Mast lifts are designed to move dealer at no charge for parts or labor. In addition, personnel, tools, and materials to working positions.

  • Page 10: Scope Of This Manual

    1. This manual applies to the ANSI/CSA versions of the SJ Vertical Mast series. For a list of applicable models, refer to Section 7.1. Equipment identified with ANSI meets the ▪ ANSI SAIA-A92.20-2018 standard. Equipment identified with CSA meets the CSA ▪ B354.6:2017 standard. 213721AAA SJ12, SJ16...

  • Page 11: Primary Assemblies

    Fixed tubular guardrails, with mid-rails, and toe ▪ boards. You can enter and exit the platform from the ▪ front of the MEWP through a spring-returned gate with a latch. AC power outlet. ▪ Figure 01 Primary assemblies SJ12, SJ16 213721AAA...

  • Page 12: Serial Number Nameplate

    Capacity and maximum number of persons ▪ Voltage ▪ Maximum drive height ▪ Maximum platform height ▪ Maximum wind speed ▪ Maximum manual force ▪ Model year ▪ MEWP weight ▪ System pressure ▪ Maximum incline. ▪ 213721AAA SJ12, SJ16...

  • Page 13: Maintenance Responsibility

    IMPORTANT Only use original or manufacturer-approved parts and components for the MEWP . NOTE Refer to the Skyjack web site (www.skyjack.com) for machine registration and the latest service bulletins before you do frequent/periodic or annual inspections. 1.4-3 Owner The owner is responsible for maintenance inspections and repairs.
  • Page 14 Notes 213721AAA SJ12, SJ16...

  • Page 15: Section 2 - General Safety Precautions

    ▪ from sources of high-voltage It was modified without permission from ▪ power. Skyjack and the MEWP owner. If you do not obey, there is a risk of death or serious injury. 2.1 Electrocution hazards DO NOT operate the MEWP during lightning or storms.

  • Page 16: Safety Instructions

    MAKE SURE the ground condition assessment considers subsurface voids such as cellars, basements, culverts, and pipes. DO NOT allow the entanglement of ropes, cables or hoses with the MEWP , adjacent structures or objects. 213721AAA SJ12, SJ16...
  • Page 17 DO NOT use the MEWP when the wheels or tires are damaged (refer to section Section 4.2-4). Make sure the wheel nuts and DO NOT sit, stand, or climb on cotter pins are in place. the guardrails. SJ12, SJ16 213721AAA...
  • Page 18 DO NOT place materials on the guardrails performance is impaired by a or materials that exceed the confines of the medical condition, the influence guardrails unless approved by Skyjack. of prescription or over the counter drugs, or fatigue. Remove all personnel from the platform before...

  • Page 19: Fall-Protection

    If personal fall-protection equipment (PFPE) is potentially flammable gases, explosive gases or required, by an employer or the authority having particles) are appropriate for the MEWP specifications jurisdiction, Skyjack recommends the use of a full (refer to Section 7.4). body harness with a lanyard. PFPE must be attached...
  • Page 20 Notes 213721AAA SJ12, SJ16...

  • Page 21: Section 3 - Familiarization

    (refer to Section on the MEWP . Do these tasks before the operation: 1. Worksite inspection. Refer to Section 2.4. 2. Daily visual and maintenance inspections. Refer Section 4.2. 3. Function tests. Refer to Section 4.3. SJ12, SJ16 213721AAA...

  • Page 22: Overview Of The Mewp

    Hourmeter Manual Platform control storage box console Base control console Fall-protection anchorages Brake hand pump Diagnostic switch/circuit breaker (inside the hydraulic/ Brake auto-reset valve plunger Emergency-lowering valve electrical compartment) Main power disconnect switch Figure 02 MEWP overview 213721AAA SJ12, SJ16...

  • Page 23: Manual Storage Box

    The switch must be in the on position to operate the MEWP . The switch must be in the off position when you transport the MEWP or put it in storage. SJ12, SJ16 213721AAA...

  • Page 24: Platform Control Console

    The off position on this switch disconnects the ▪ power to both the lift and drive circuits. The lift position energizes the lift circuit. ▪ The drive position energizes the drive circuit ▪ Battery voltmeter: Shows the voltage of the battery. 213721AAA SJ12, SJ16...

  • Page 25: Drive Speed

    Only use the fall protection anchorage in the limits of the platform. Do not use the fall protection anchorage for other than its intended function (refer to Section 2.3). If you use it incorrectly, death, serious injury, and/or MEWP damage can occur. SJ12, SJ16 213721AAA...

  • Page 26: Pothole Protection Device

    Do not use the diagnostic switch when there are personnel on the platform. The MEWP may move when you engage the diagnostic switch. If you do not obey, there is a risk of death or serious injury. 213721AAA SJ12, SJ16...

  • Page 27: Hourmeter

    The charger is at the front of the base. Refer to Section 6.6 for battery charging instructions. 3.5-5 Motion alarm The alarm makes a sound when a control function operates. On some MEWPs, an amber flashing light goes with this alarm. SJ12, SJ16 213721AAA...

  • Page 28: Optional Equipment

    Section 3 – Familiarization Optional equipment 3.6 Optional equipment 3.6-2 Flashing Light CAUTION Skyjack approved modifications and attachments can change the MEWP specifications. Refer to the applicable instructions and labels. IMPORTANT Refer to the labels of the optional equipment the actual weight. Include this weight calculate the total load on the platform.

  • Page 29: Elevate™ Telematics - Access Control Unit

    The green light on the keypad of the access ▪ Smart ID cards for MEWPs that have the access control unit. control function. Skyjack does not supply or reset The main power disconnect switch. ▪ PIN codes or Smart ID cards. Speak to the MEWP The emergency-stop button on the base control ▪...
  • Page 30 Do the function tests for these power connections in the set time: The main power disconnect switch ▪ The emergency-stop button on the base control ▪ console The off/platform/base key switch. ▪ 213721AAA SJ12, SJ16...

  • Page 31: Section 4 - Inspections Before Operation

    If the MEWP is damaged or has been modified from the initial factory-delivered condition, without permission from Skyjack, lock and tag the MEWP . Remove the MEWP from service. If you do not obey, there is a risk of death or serious injury.

  • Page 32: Visual And Daily Maintenance Inspections

    The ground area below the MEWP ▪ CAUTION Make sure that the MEWP is on a firm, level surface before you do the visual and daily maintenance inspections. If you do not obey, there is a risk of machine damage. 213721AAA SJ12, SJ16...

  • Page 33: Wheel/Tire Assembly

    WARNING Make sure that the battery charger is correctly ▪ Do not use tires other than the tires that Skyjack installed, and in good condition. specifies for this MEWP . Do not mix different types Make sure there is no visible damage.

  • Page 34: Platform Assembly

    Fall-protection anchorages Make sure that the fall-protection anchorages ▪ are correctly attached. Make sure the fall protection anchorages show ▪ no signs of visible damage, deformation, or cracks. 213721AAA SJ12, SJ16...

  • Page 35: Hydraulic/Electrical Compartment

    The hydraulic oil level must levels. If the plates do not have a minimum be at or a small distance above the top mark of the gauge. 13 mm (1/2 inch) of solution above them, add distilled or demineralized water. SJ12, SJ16 213721AAA...
  • Page 36 Make sure there are no loose or missing ▪ fasteners. Make sure there is no visible damage. ▪ Motor controller Make sure the motor controller has no damage ▪ and is correctly attached. Make sure there are no loose wires or missing ▪ fasteners. 213721AAA SJ12, SJ16...

  • Page 37: Lift Mechanism

    Make sure there is no visible damage. ▪ Chains Make sure the chains are correctly attached. ▪ Make sure the bolts are tight. ▪ Make sure there are no loose or missing parts. ▪ Make sure there is no visible damage. ▪ SJ12, SJ16 213721AAA...

  • Page 38: Function Tests

    2. Turn the off/platform/base key switch to the Result: The platform does not rise . ▪ platform position . 3. Turn and hold the lower/neutral/raise switch to the raise position. Result: The platform does not rise. ▪ 213721AAA SJ12, SJ16...

  • Page 39: Do A Test Of The Lower/Neutral/Raise Switch

    Do not lower the platform unless the area below is clear of personnel and obstructions. If you do not obey, there is a risk of death or serious injury. 1. Raise the platform. 2. Push the emergency-stop button SJ12, SJ16 213721AAA...

  • Page 40: Do A Test Of The Function-Enable Switch

    MEWP in the forward direction. the controller handle to steer left and right. Result: The MEWP does not move in the ▪ Result: The steer wheels turn left and right. ▪ forward direction. 213721AAA SJ12, SJ16...

  • Page 41: 11 Do A Test Of The Brakes

    Result: The platform fully lowers. ▪ side while it stops. A service technician must do a check on the brake adjustments. 4.3-13 Do a test of the horn 1. Push the horn button Result: The horn makes a sound. ▪ SJ12, SJ16 213721AAA...

  • Page 42: 14 Do A Test Of The Pothole Protection Device

    6. Pull the emergency-stop button latch it in place. 7. Raise the platform until it is at a height of approximately 60 cm (2 ft). 8. Drive the MEWP forward or rearward. Result: The drive function does not operate. ▪ 213721AAA SJ12, SJ16...

  • Page 43: 16 Do A Test Of The Elevated Travel Speed

    3. Raise the platform until it is at a height of approximately 60 cm (2 ft). 4. Drive the MEWP forward and then rearward. Result: The MEWP drives slower than when it ▪ was in the lowered travel position. SJ12, SJ16 213721AAA...

  • Page 44: 17 Do A Test Of The Sgle Switch (Optional Equipment)

    Result: The platform does not rise or lower. ▪ 3. Push and hold the SGLE button only. Do not squeeze the function-enable switch. Push and pull the controller handle to raise or lower the platform. Result: The platform does not rise or lower ▪ 213721AAA SJ12, SJ16...

  • Page 45: Operator's Checklist

    Pothole protection limit switches Lift mechanism- Do an inspection for loose, damaged, or missing compo- nents Mast assembly Wear pads Chains NOTE: Make a copy of this page or go to www.skyjack.com for a copy that you can print. SJ12, SJ16 213721AAA...
  • Page 46 Do a test of the SGLE switch (optional equipment) Do a test of the fl ashing light (optional equipment) 1831AA NOTE: Make a copy of this page or go to www.skyjack.com for a copy that you can print. 213721AAA SJ12, SJ16...

  • Page 47: Section 5 - Operation

    2. Pull the emergency-stop button on the base ▪ control console. It was modified without permission from ▪ Skyjack and the MEWP owner. 3. Turn the off/platform/base key switch to the platform position. If you do not obey, there is a risk of death or serious injury.

  • Page 48: Raise Or Lower The Platform With The Platform Control Console

    If the total MEWP weight is ever on the pothole protection, immediately lower the platform, and lock and tag the MEWP . A qualified service technician must do a complete inspection. If you do not obey, there is a risk of MEWP damage. 213721AAA SJ12, SJ16...

  • Page 49: Steer

    The SGLE does not have an effect on these functions: lower, drive, steer, or emergency-lowering. 7. Release the controller handle until it goes back to the center position to stop. Release the function-enable switch. 2. Ensure the foot pedal rests in one of the locking slots. SJ12, SJ16 213721AAA...

  • Page 50: Mewp Shutdown

    4. Exit the platform. 5. Turn the off/platform/base key switch to the off position on the base control console and remove the key. 6. Push the emergency-stop button. 7. Turn the main power disconnect switch to the off position. 213721AAA SJ12, SJ16...

  • Page 51: Section 6 - Additional Procedures

    If the MEWP does not have a pressure gauge, you do not obey, there is a risk of death or serious refer to the service manual for the installation injury. procedure. 5. Pull out and hold the emergency-lowering valve to fully lower the platform. SJ12, SJ16 213721AAA...

  • Page 52: Winch And Tow The Mewp

    WARNING Tip-over hazard. Disengage the brakes manually before you push, winch, or tow the MEWP . If you do not obey, there is a risk of death or serious injury. 213721AAA SJ12, SJ16...

  • Page 53: Hoist The Mewp

    Refer to Figure 06. Vertically, the center of gravity is approximately a small distance above the chassis. 6.4-2 Drive and tie-down the MEWP Before you drive the MEWP: Figure 04 Tie-down and lift points SJ12, SJ16 213721AAA...
  • Page 54 Refer to Figure 6. Vertically, the center of gravity is approximately a small distance above the base.. NOTE A forklift truck can lift the MEWP from the sides. Lift with the forks in the forklift lift locations as shown in Figure 213721AAA SJ12, SJ16...

  • Page 55: Open The Hydraulic/Electrical Compartment

    5. Push the platform until the maintenance lock engages. 6. Locate the platform maintenance lock mechanism underneath the platform. 7. Pull and hold the handle to unlatch the platform locking mechanism. 8. Fully pull the platform to the maintenance position. SJ12, SJ16 213721AAA...

  • Page 56: Charge The Battery

    N/A. error The charger starts automatically in 4-6 seconds, error code display regardless of the remaining battery charge (down to 1 VDC terminal voltage). The LEDs show that Select Charge the charge continues. charge N/A. algorithm profile 213721AAA SJ12, SJ16...
  • Page 57 WARNING Electrocution hazard. Do not touch parts of the charger output wires that are not insulated, the battery connector, or the battery terminals. If you do not obey, there is a risk of death or serious injury. SJ12, SJ16 213721AAA...
  • Page 58 Notes 213721AAA SJ12, SJ16...

  • Page 59: Section 7 - Specifications

    O P T I O N A L E Q U I P M E N T Flashing light Saloon spring-hinged gate Bio-oil Non-Bio-oil Lowering-only alarm Secondary guard lift enable Elevate telematics Light-duty pipe rack Tool tray Tube caddy 1837_SJ12&16_Features_ANSI SJ12, SJ16 213721AAA...

  • Page 60: Owner's Annual Inspection Record

    The Owner’s annual inspection record is located on the mast assembly. It must be filled out after an annual inspection has been completed. Do not use the MEWP if an inspection has not been recorded in the last 13 months. 213721AAA SJ12, SJ16...

  • Page 61: Specifications

    4.92 l (1.3 gal) 4.92 l (1.3 gal) 1835AA * Weights are approximate; refer to serial nameplate for specific weight. ** Refer to Section 6.4 Move the MEWP for Transport in the Operation manual for more details. SJ12, SJ16 213721AAA...

  • Page 62: Environment

    (45 lbf) 1839AA NOTE Occupants and materials are not to exceed the rated load. Refer to the capacity label at the entrance of the platform and the mast assembly. For additional information and models equipped with options. 213721AAA SJ12, SJ16...

  • Page 63: Floor Loading Capacity

    SJ16 SJ12 WARNING Do not use tires other than the tires that Skyjack specifies for this MEWP . Do not mix different types of tires or use tires that are not in good condition. Only replace the tires with the same types that are approved by Skyjack.
  • Page 64 Notes 213721AAA SJ12, SJ16...

  • Page 65: Section 8 - Labels

    Section 8 – Labels DANGER. Orange WARNING. Yellow CAUTION. Green Emergency- lowering procedure. Blue Safety information. SJ12, SJ16 213721AAA...

  • Page 66: Sj12 And Sj16 Models

    Section 8 – Labels SJ12 and SJ16 models 8.1 SJ12 and SJ16 models 8.1-1 Rear view Description Label pictorial Base controls Turn and hold the lower/neutral/raise switch to lower or ▪ raise the platform. Select the off position to turn off power to the MEWP , ▪...
  • Page 67 SJ12 and SJ16 models Section 8 – Labels Rear view (continued) Description Label Pictorial Emergency-lowering identification Emergency-lowering procedure Refer to the operation manual. 1. Push the emergency-stop button to on the base control console. 2. Pull and hold the emergency-lowering valve to fully lower the platform.
  • Page 68 Section 8 – Labels SJ12 and SJ16 models Rear view (continued) Description Label Pictorial Elevate™ Trackunit (optional) This MEWP has added functionality. 221111 Main power disconnect switch Turn the switch clockwise to turn the power on. Turn the switch counterclockwise to turn the power off. Use a padlock to lock the switch in position.

  • Page 69: Left View

    SJ12 and SJ16 models Section 8 – Labels 8.1-2 Left view Description Label Pictorial Model number* Product identifier. *The model number can be different from the one you see. Wheel load* Shows the maximum load applied to the ground by the specified wheel.

  • Page 70: Front View

    Section 8 – Labels SJ12 and SJ16 models 8.1-3 Front view A600000001 Description Label Pictorial �� Hazard identification Read and understand the specified hazards with this MEWP before operation. Refer to Section Note: This label is on the mast assembly.
  • Page 71 SJ12 and SJ16 models Section 8 – Labels Front view (continued) A600000001 Description Label Pictorial Fall-protection anchorages When required, attach the body-harness lanyards of each occupant to the fall-protection anchorage points. Rated for one (1) person for each anchorage point.
  • Page 72 Section 8 – Labels SJ12 and SJ16 models Front view (continued) A600000001 Description Label Pictorial No insulation This MEWP is not electrically insulated and does not provide protection from contact with or proximity to energized electrical conductors. Follow Section 2.1-1...

  • Page 73: Right View

    SJ12 and SJ16 models Section 8 – Labels 8.1-4 Right view Description Label Pictorial AC power plug Connect the AC supply here. Annual inspection Make sure the MEWP has received an annual inspection before operation. Manual storage box Shows the location of the operation manual.
  • Page 74 Section 8 – Labels SJ12 and SJ16 models Right view (continued) Description Label Pictorial Wheel load* Shows the maximum load applied to the ground by the specified wheel. *Each model has different wheel loads. Forklift lift location Insert the fork fully into the forklift lift location to lift the MEWP .

  • Page 75: Platform Control Console

    SJ12 and SJ16 models Section 8 – Labels 8.1-5 Platform control console Description Label Pictorial Platform controls Squeeze and hold the function-enable switch to energize ▪ the lift, drive, and steer functions. Operate the steering rocker switch to steer. ▪...

  • Page 76: Base View (Cover Down)

    Section 8 – Labels SJ12 and SJ16 models 8.1-6 Base view (cover down) Description Label Pictorial Warning - do not open Do not access the hydraulic/electrical compartment while the platform is elevated. 157011ABZZ 213721AAA SJ12, SJ16...

  • Page 77: Platform (Inside View)

    SJ12 and SJ16 models Section 8 – Labels 8.1-7 Platform (inside view) Description Label Pictorial Warning - do not alter Do not tamper with or disable the limit switches or other safety devices. SJ12, SJ16 213721AAA...

  • Page 78: Base View-Cover Up

    Section 8 – Labels SJ12 and SJ16 models 8.1-8 Base view–cover up Description Label Pictorial Warning - do not alter Do not tamper with or disable the limit switches or other safety devices. Warning - crush hazard Power circuit breaker Push to reset the power circuit breaker.
  • Page 79 SJ12 and SJ16 models Section 8 – Labels Base view–cover up (continued) Description Label Pictorial Diagnostic switch Refer to the service manual. This switch enables the hydraulic functions for maintenance/ servicing. 156612ACZZ Ground circuit breaker Push to reset the ground circuit breaker.
  • Page 80 Notes 213721AAA SJ12, SJ16...

  • Page 81: Section 9 - Unique Skyjack Features

    Having equipment with features and functionality that allow you and your customers to do more is a vital part of the utilization equation. Skyjack offers a range of accessory products to further expand a given product’s adaptability and your power to offer a truly flexible rental choice.
  • Page 82 Notes 213721AAA SJ12, SJ16...
  • Page 83 WARNING Cancer and Reproductive Harm- https://www.p65warnings.ca.gov/.
  • Page 84 www.skyjack.com...

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