Skyjack SJ12 E Operation Manual
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Skyjack SJ12 E Operation Manual

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OPERATION
MANUAL
SJ12 E, SJ16 E, SJ20 E
VERTICAL MAST
243762ABA
August 2022
ANSI/CSA

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Summary of Contents for Skyjack SJ12 E

  • Page 1 OPERATION MANUAL SJ12 E, SJ16 E, SJ20 E VERTICAL MAST 243762ABA August 2022 ANSI/CSA...
  • Page 2 This manual is for MEWPs with serial numbers: SJ12 E: A601 001 639 & above SJ16 E: A601 001 639 & above SJ20 E: A601 001 639 & above Please refer to the website (www.skyjack.com) for contact information, other serial numbers, most re- cent technical manuals, and USB software.
  • 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 E, SJ16 E, SJ20 E 243762ABA...
  • Page 4 Notes 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 5: Table Of Contents

    Traversed platform interlock ............25 SJ12 E, SJ16 E, SJ20 E...
  • Page 6 4.3-12 Do a test of the anti-tiedown function ..........44 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 7 Floor loading capacity ............. . 70 SJ12 E, SJ16 E, SJ20 E...
  • Page 8 Section 9 – Unique Skyjack Features ........

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

    It 1.1-6 Service policy and warranty consists of a work platform with controls, an extending Skyjack warrants each new product to be free of structure, and a chassis. defective parts and workmanship for the first 2 years or 3000 hours, whichever occurs first.

  • Page 10: Scope Of This Manual

    SJ Vertical Mast series. For a list of applicable models, refer to Section 7.1. Equipment identified with ANSI meets the ▪ ANSI SAIA-A92.20-2021 standard. Equipment identified with CSA meets the CSA ▪ B354.6:2017 standard. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 11: Primary Assemblies

    Platform: The platform has these parts. Tubular support frame. ▪ Slip-resistant deck surface. ▪ Fixed tubular guardrails, with mid-rails and toe ▪ boards. Spring-returned gate with a latch. ▪ AC power outlet. ▪ Primary assemblies SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 12: Serial Number Nameplate

    ▪ Maximum drive height ▪ Maximum platform height ▪ Maximum wind speed ▪ Maximum manual force ▪ Model year ▪ MEWP weight ▪ System pressure ▪ Maximum incline ▪ Year of manufacture ▪ 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 13: Maintenance Responsibility

    IMPORTANT Only use original or manufacturer-approved parts for the MEWP . NOTE Refer to the Skyjack website (www.skyjack.com) for machine registration and the latest service bulletins before you do periodic or annual inspections. 1.4-3 Owner The owner is responsible for the maintenance inspections and repairs.
  • Page 14 Notes 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 15: Section 2 - General Safety Precautions

    If you need to work nearer than 3 m (10 ft), stop and apply control measures as determined by a qualified person with respect to electrical transmission and distribution. Obey all the national, state/provincial/territorial and local safety rules. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • 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. 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 17 DO NOT use the MEWP when the wheels or tires are damaged. Make sure the wheel nuts and cotter pins are in place DO NOT sit, stand, or climb on (refer to Section 4.2-6). the guardrails. SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 18 DO NOT use the MEWP if it does not function correctly or if any parts are damaged or worn. DO NOT leave the MEWP unattended with the key in the key switch. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • 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 (refer to Section 7.5). full body harness with a lanyard. The PFPE must...
  • Page 20 Notes 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 21: Section 3 - Familiarization

    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 E, SJ16 E, SJ20 E 243762ABA...

  • Page 22: Overview Of The Mewp

    Platform control console Main power disconnect switch Manual storage box Fall-protection anchorages Battery Charger Emergency-lowering valve Hydraulic/Electrical compartment Base control console 230744ACZZ 3 sec Circuit breaker Display panel Brake release switch 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • 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 E, SJ16 E, SJ20 E 243762ABA...

  • 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. ▪ 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 25: Drive Speed

    Fully retract the platform to anchorage for anything other than its intended enable the drive function. function (refer to Section 2.3). If you use it incorrectly, death, serious injury, and/or MEWP damage can occur. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 26: Pothole Protection Device

    Fall hazard. Do not try to free a snagged platform with the base controls until you remove all personnel from the platform. If you do not obey, there is a risk of death or serious injury. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 27: General Components

    Do not use the diagnostic switch when there are personnel on the platform. The MEWP can move when you engage the diagnostic switch. If you use it incorrectly, death, serious injury, and/or MEWP damage can occur. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 28: Battery Charger

    Platform maintenance lock: When it is engaged, you can move the platform to the maintenance position and open the hydraulic/ electrical compartment. When the platform is in the maintenance position, all MEWP functions are disabled. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 29: Optional Equipment

    The owner is responsible to supply PIN codes or Smart ID cards for MEWPs that have the access control function. Skyjack does not supply or reset SGLE: This push-button energizes the lift PIN codes or Smart ID cards. Speak to the MEWP function.
  • 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. ▪ 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 31: Wind Rating Control Console

    Off (SJ16 E) on. The platform can only go to 3.58 m (11 ft 9 in). The outdoor (wind) mode is Off (SJ20 E) on. The platform can only go to 3.96 m (13 ft). SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 32 Notes 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 33: 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 for servicing. If you do not obey, there is a risk of death or serious injury.

  • Page 34: Visual And Daily Maintenance Inspections

    Only a qualified service technician must repair the MEWP . If you do not obey, there is All hydraulic manifolds ▪ a risk of death or serious injury. The ground area below the MEWP ▪ 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 35: Base

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

  • Page 36: Platform Assembly

    Fall-protection anchorages Make sure the fall-protection anchorages are ▪ correctly attached. Make sure the fall protection anchorages show ▪ no signs of visible damage, deformation, or cracks. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 37: Hydraulic/Electrical Compartment

    If the plates do not have a minimum hydraulic oil level must be at or a small 13 mm (1/2 inch) of solution above them, add distance above the top mark. distilled or demineralized water. SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 38 Make sure there are no loose or missing wires. ▪ Tilt sensor Make sure the tilt sensor is correctly attached. ▪ Make sure there is no visible damage. ▪ Make sure there are no loose or missing wires. ▪ 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 39: Lift Mechanism

    Make sure the absorbent pads are dry. If the ▪ mast to make sure there is no damage, cracks absorbent pads contain hydraulic fluid, lock and or missing parts. tag the MEWP and remove it for servicing. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 40: Function Tests

    4.3-2 Do a test of the emergency-stop in the raise position. button on the base Result: The platform rises. ▪ 1. Turn the main power disconnect switch the on position. 2. Push the emergency-stop button 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 41: Do A Test Of The Lower/Neutral/Raise Switch

    1. Make sure the MEWP is on firm, level ground. 2. Make sure the path of travel is clear. 3. Turn the main power disconnect switch the on position. 4. Pull the emergency-stop button on the platform control console. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 42: Do A Test Of The Emergency-Lowering Function

    5. Push the platform to the operation position and 2. On the rear of the base, pull out and hold the latch it in place. emergency-lowering valve to fully lower the platform. Result: The platform fully lowers. ▪ 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 43: Do A Test Of The Emergency-Stop Button On The Platform

    Result: The steer wheels turn left and right. ▪ position. 7. Squeeze and hold the function-enable switch 8. Push the controller handle to drive forward. Result: The drive function does not operate. ▪ SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 44: 11 Do A Test Of The Drive Function

    4. Slowly push the controller handle to move the MEWP in the forward direction. adjustments. Result: The MEWP does not move in the ▪ forward direction. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 45: 14 Do A Test Of The Platform Raise And Lower Functions

    5. Pull the controller handle to fully lower the platform. Result: The platform fully lowers. ▪ 4.3-15 Do a test of the horn 1. Push the horn button Result: The horn makes a sound. ▪ SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 46: 17 Do A Test Of The Sgle Switch (Optional Equipment)

    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 ▪ 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 47: 19 Do A Test Of The Wind Rating Control Console (Optional Equipment)

    9. Lower the platform. Result: The platform rises to 3.58 m (SJ16 E) ▪ Result: The platform lowers. ▪ and then stops. Result: The platform rises to 3.96 m (SJ20 E) ▪ and then stops. SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 48 Notes 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 49: Operator's Checklist

    Operator’s checklist Section 4 – Inspections Before Operation 4.4 Operator’s checklist (page 1 of 2) SJ12 E, SJ16 E, SJ20 E Daily Operator’s Checklist Serial Number: Model: Operator’s Name Hourmeter Reading: (Printed): Date: Time: Operator’s Signature: Use the applicable section of the operation manual to...
  • Page 50 Do a test of the fl ashing light Do a test of the wind rating control console Page 2 of 2 2155AA NOTE: Make a copy of this page or go to www.skyjack.com for a copy that you can print. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 51: Section 5 - Operation

    2. Pull the emergency-stop button on the base 5. Close the gate. control console. 6. Pull the emergency-stop button on the platform 3. Turn and hold the off/platform/base key switch control console. in the base position. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 52: Raise Or Lower The Platform With The Platform Control Console

    3. Move the lift/off/drive switch to the lift position. 4. Squeeze and hold the function-enable switch. 5. Move the controller handle forward or rearward to go to the necessary height. NOTE The lowering function is not proportional. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 53: Drive Forward Or Rearward

    MEWP damage. NOTE When the platform is traversed, the drive function is disabled. Make sure to fully retract the platform to enable the drive function. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 54: Raise And Lower With The Sgle Platform Control Console (Optional Equipment)

    WARNING Push the emergency-stop button when you are at the necessary location or elevation. This prevents unintended MEWP movement. If you do not obey, there is a risk of death or serious injury. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 55: Section 6 - Additional Procedures

    7. Push the emergency-stop button to engage the brakes. WARNING Crush hazard. Keep clear of the lift mechanism when you use the emergency-lowering function. If you do not obey, there is a risk of death or serious injury. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 56: Use The Platform Control Console From The Ground

    2. Cordon off the pathway you plan to travel. bracket. 3. Put the platform control console down on the platform floor. 4. Exit the platform and close the gate. 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 57 MEWP to enter or exit the platform. If you do not obey, there is a risk of death or serious injury. 10. Exit the platform and close the gate. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 58: Push, Winch And Tow The Mewp

    Tip-over hazard. Disengage the brakes manually movement during this operation. before you push, winch, or tow the MEWP . If you do not obey, there is a risk of death or serious injury. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 59: Hoist The Mewp

    MEWP , front to back and side to side. Refer to Figure 04. Vertically, the center of gravity is approximately a small distance above the chassis. Figure 02 Tie-down and lift points SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 60 04. Vertically, the center of gravity is approximately a small distance above the base. NOTE A forklift truck can lift the MEWP from the back. Lift with the forks in the forklift lift locations as shown in Figure 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 61: 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 E, SJ16 E, SJ20 E 243762ABA...

  • Page 62: Charge The Battery

    The charger starts automatically in 4-6 seconds, error error code regardless of the remaining battery charge (down display to 1 VDC terminal voltage). The LEDs show that Select the charge continues. Charge charge N/A. algorithm profile 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 63 If you do not obey, there is a risk of death or serious injury. WARNING Do not charge the batteries in hazardous areas. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 64: Use The Service Pin

    MEWP when you raise the platform. 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. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 65: Section 7 - Specifications

    E Q U I P M E N T Dual fl ashing light Wind rating control console Lowering-only alarm Secondary guard lift enable (SGLE) Elevate telematics Light-duty pipe rack Tool tray Tube caddy White noise alarm Bio oil EcoTray 2182AA SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 66: Owner's Annual Inspection Record

    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. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 67: Specifications

    5.3 L (1.41 gal) 2162AB * Weights are approximate; refer to the serial nameplate for the specific weight. ** Refer to Section 6.5: Move the MEWP for Transport in the operation manual for more details. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 68: Maximum Platform Capacities (Evenly Distributed)

    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. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 69: Environment

    MEWP not rated for hazardous locations with potentially fl ammable gases, Hazardous location rating explosive gases or particles Sound pressure level Does not exceed 70 dB(A) Operating temperatures Standard -20°C (-4°F) to +40°C (+104°F) 2165AA SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 70: Floor Loading Capacity

    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 71: Section 8 - Labels

    Section 8 – Labels DANGER. Orange WARNING. Yellow CAUTION. Green Emergency- lowering procedure. Blue Safety information. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 72: Rear View

    Only use these points to lift or tie down the MEWP . Serial plate* MEWP identification and specifications. *The serial plate information changes with different MEWPs. AC power plug Connect the AC supply here. 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 73 Insert the fork fully into the forklift lift location to lift the MEWP . Warning - crush hazard QR code This code gives you fast access to the MEWP documentation, and the live MEWP data supplied by ELEVATE telematics (optional equipment). SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 74: Left View

    *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. *Each model has different wheel loads. Skyjack logo Warning - crush hazard Talon Logo 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 75 Annual inspection Make sure the MEWP has received an annual inspection before operation. Warning - annual inspection Refer to the operation manual. Make sure the annual and daily inspections are done. ECO logo SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 76 You can use the service pin when you do service or ▪ maintenance on the MEWP . Insert the service pin through the slots until the end of the pin ▪ is fully through the second slot. 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 77 1. Release the brakes manually. Refer to Section 6.2. 2. Push, winch, or tow the MEWP to the necessary location. 3. Put the MEWP on a firm, level surface. 4. Push the emergency-stop button to engage the brakes. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 78: Front View

    Refer to the operation manual. Do the visual inspections and function tests before you start each work shift. Refer to Section 4.4. Warning - California proposition 65 (ANSI) WARNING Cancer and reproductive harm - Cancer and Reproductive Harm- https://www.p65warnings.ca.gov/ https://www.p65warnings.ca.gov/ 243762ABA SJ12 E, SJ16 E, SJ20 E...
  • Page 79 Only use these points to lift or tie down the MEWP . No jewelry Caution. Do not wear jewelry or loose clothing that could become caught or entangled. Refer to the service manual Remove the cover to perform the scheduled maintenance. SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 80 Warning - crush hazard 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. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 81: Right View

    Connect the AC supply here. Manual storage box Shows the location of the operation manual. Skyjack logo Model number* Product identifier. *The model number can be different from the one you see. Warning - crush hazard SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 82 Shows the maximum load applied to the ground by the specified wheel. *Each model has different wheel loads. Location of the platform control console Shows the location of the platform control console. Talon Logo 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 83: Platform Control Console

    Push the emergency-stop button to disconnect power ▪ to the control circuit. Pull the emergency-stop button to connect the power again. The operation light goes on to indicate upper control availability. CUT OUT SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 84: Top View

    Section 8 – Labels 8.6 Top view Description Label Pictorial Warning - do not open Do not access the hydraulic/electrical compartment while the platform is elevated. Elevate™ Trackunit (optional) This MEWP has added functionality. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 85: Platform- Inside View

    Platform- inside view Section 8 – Labels 8.7 Platform- inside view Description Label Pictorial Do not alter Do not tamper with or disable the limit switches or other safety devices. SJ12 E, SJ16 E, SJ20 E 243762ABA...

  • Page 86: Base - Inside View

    Hydraulic Oil ATF Dexron III Only replace the hydraulic fluid with ATF Dexron III. ATF DEXRON III ( GM 6137-M ) Maintenance switch Refer to the service manual. This switch enables the hydraulic functions for maintenance/servicing. 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 87: Optional Equipment

    0 m/s (0 mph) Secondary Guarding Lift Enable (SGLE) push-button This push-button energizes the lift function. Hold the button down together with the function-enable switch to enable the raising of the platform with the lift function. SJ12 E, SJ16 E, SJ20 E 243762ABA...
  • Page 88 Notes 243762ABA SJ12 E, SJ16 E, SJ20 E...

  • Page 89: 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 90 WARNING Cancer and Reproductive Harm- https://www.p65warnings.ca.gov/...
  • Page 92 www.skyjack.com...

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