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216380ACA 

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740

42 

Section 4 – Inspections Before Operation

Function Tests

4.3   Function Tests

Do the function 

tests in sequence.

 WARNING

Do not operate a MEWP that does not function 
correctly. Lock and tag the MEWP, and remove it 
for servicing. Only a qualified service technician 
must repair the MEWP. If you do not obey, there is 
a risk of death or serious injury.

Be sure to read 

Section 5

 

before you do the function 

tests.

4.3-1  Do a test of the main power 

disconnect switch

1. 

Turn the 

main power disconnect 

switch

 

1

 to 

the off position

.

 

2. 

Pull the 

emergency-stop

 button 

2

 on the base 

control console.

3. 

Turn and hold the 

off/platform/base

 switch 

4

 

to the base position.

4. 

Turn and hold the 

lower/neutral/raise

 switch 

3

to the raise position.

 

Result:

 The platform does not rise.

4.3-2  Do a test of the control module and 

load sensing module self-check

1. 

Push the 

emergency-stop

 button on the base 

control console.

2. 

Turn the 

main power disconnect

 switch to the 

on position.

3. 

Pull the 

emergency-stop

 button on the base 

control console.

 

Result:

 The beeper makes a sound for 

approximately 1 second. The light on the 
emergency-stop button comes on. This shows 
that the system is in operation, and there are 
no faults.

4. 

Make sure there are no error codes on the 
Skycoded™ display panel.

 

Result:

 If you see an error code, lock and tag 

the MEWP. Remove the MEWP for servicing. 
Speak to a qualified service technician for 
repairs.

4.3-3  Do a test of the emergency-stop 

button on the base

1. 

Turn the 

main power disconnect

 switch to the 

on position

.

2. 

Push the 

emergency-stop 

button. 

3. 

Turn and hold the 

off/platform/base

 switch to 

the base position.

4. 

Turn and hold the 

lower/neutral/raise

 switch to 

the raise position.

 

Result:

 The platform does not rise.

Base control console

Main power disconnect switch

3

1

2

4

Summary of Contents for SJ 3215

Page 1: ...OPERATION MANUAL SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 DC ELECTRIC SCISSORS 216380ACA February 2020 ANSI CSA...

Page 2: ...J3220 A101 000 001 Above SJ3226 A101 000 001 Above SJ4726 A102 000 001 Above SJ4732 A102 000 001 Above SJ4740 A103 000 001 Above Please refer to the website www skyjack com for contact information oth...

Page 3: ...ARNING 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...

Page 4: ...216380ACA SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 4 Notes...

Page 5: ...y 12 1 4 1 Operator 12 1 4 2 Maintenance and inspection schedule 12 1 4 3 Owner 12 Section 2 General Safety Precautions 13 2 1 Electrocution hazards 13 2 1 1 Minimum distance from electrical conductor...

Page 6: ...re Operation 33 4 1 Operator s Responsibility 33 4 2 Visual and daily maintenance inspections 34 4 2 1 Labels 34 4 2 2 Pothole protection limit switches 34 4 2 3 Electrical 34 4 2 4 Hydraulic 34 4 2 5...

Page 7: ...e platform control console 54 5 4 Raise or lower the platform with the platform control console 54 5 5 Drive forward or rearward 55 5 6 Steer 55 5 7 Select the level drive or inclined drive mode 55 5...

Page 8: ...equipment 81 7 2 Owner s Annual Inspection Record 82 7 3 Specifications 83 7 4 Environment 84 7 5 Maximum platform capacities evenly distributed 85 7 6 Floor loading pressure 86 Section 8 Labels 87 8...

Page 9: ...ety panel label on the platform the labels on the MEWP and the attachments Compare the labels on the MEWP with the labels in this manual Immediately replace any labels that are damaged or missing Only...

Page 10: ...en by two hydraulic motors For models SJ3220 SJ3226 SJ4726 and SJ4732 the front wheels are non driven The rear wheels have spring applied hydraulically released brakes For models SJ3215 SJ3219 and SJ4...

Page 11: ...mber nameplate The serial number nameplate 1 is located at the rear side of the MEWP It contains this information Model number Type Group Serial number Indoor or outdoor use Capacity and maximum numbe...

Page 12: ...ved parts and components for the MEWP NOTE Refer to the Skyjack web site www skyjack com for machine registration and latest service bulletins before you do frequent periodic or annual inspections 1 4...

Page 13: ...ized electrical conductors Follow Section 2 1 1 for the minimum distance to keep between all parts of the MEWP occupants or tools and the electrical conductors Consider MEWP movement and electrical li...

Page 14: ...EWP when leaving the MEWP unattended to prevent unauthorized use DO NOT wear jewelry or loose clothing that could become caught or entangled DO NOT allow the entanglement of ropes cables or hoses with...

Page 15: ...Ascending or descending slopes must only be done when fully lowered DO NOT operate a MEWP that has ladders scaffolding or other devices on it to increase the platform size or work height DO NOT excee...

Page 16: ...xceed the rated capacity of the MEWP DO NOT distribute the load unevenly 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...

Page 17: ...and two feet are in contact with the MEWP or the ground at all times Face the MEWP when entering or exiting the platform 2 4 Worksite inspection Make sure the operating environment ambient temperature...

Page 18: ...216380ACA SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 18 Notes...

Page 19: ...eath or serious injury WARNING It is the responsibility of the operator to fully understand and follow all instructions and warnings contained in this operation manual and on the MEWP If you do not ob...

Page 20: ...attery charger SJ3220 SJ3226 SJ4726 SJ4732 and SJ4740 Battery charger SJ3215 and SJ3219 Brake release system disc brakes SJ4740 Freewheeling Valve SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 Base control conso...

Page 21: ...isconnect switch 1 1 Main power disconnect This switch disconnects power to all control circuits when in the off position The switch must be in the on position to operate the MEWP The switch must be i...

Page 22: ...he controller 3 Steering rocker This switch controls the left and right steering Release the switch to return it to the neutral position 4 Emergency stop operation light This button disconnects the po...

Page 23: ...in Full height SJ4726 2 13 m 7 ft Full height SJ4732 2 44 m 8 ft Full height SJ4740 2 74 m 9 ft Full height A Figure 01 Lowered and elevated travel position 3 4 2 Drive speed The drive speed depends o...

Page 24: ...o Section 3 1 for the location of the brake release system 1 Figure 02 Brake release block pin brakes 1 Pin brake blocks 2 3 Figure 03 Drive manifold disc brakes SJ4740 only 2 Brake auto reset valve p...

Page 25: ...owering switch 3 4 7 Fall protection anchorage 1 1 Fall protection anchorage When required use this as a point to attach personal fall protection equipment PFPE Do not attach the PFPE to any other poi...

Page 26: ...ight on the emergency stop button continues to flash on the platform and base control consoles The alarm continues to sound at an increased frequency Remove the overload from the platform to continue...

Page 27: ...maintenance support s NOTE SJ4740 model has two maintenance supports All other models only have one maintenance support 1 1 3 5 General components 3 5 1 AC power socket on the platform The AC power so...

Page 28: ...ength and area of the platform Refer to Section 5 8 on how to extend and retract the extension platform 3 5 5 Motion alarm The alarm makes a sound when a control function operates On some MEWPs an amb...

Page 29: ...equipment 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 equipm...

Page 30: ...LE 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 NOTE The SGLE does not have a...

Page 31: ...erate the MEWP the light and all of these power connections must be ON before the set time expires This set time is the time that the MEWP owner sets for the access control operation The green light o...

Page 32: ...PIN code or tap the Smart ID card These power connections must be in the ON position in the set time The main power disconnect switch The emergency stop button on the base control console The off pla...

Page 33: ...risk of death or serious injury 2 Function tests refer to Section 4 3 Refer to Section 4 4 for a checklist of the inspection items WARNING If the MEWP is damaged or has been modified from the initial...

Page 34: ...e 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 4 2 1 Labels Refer to Section 8 in this manual for the...

Page 35: ...are correctly aligned vertically and horizontally Make sure there is no visible damage WARNING Do not use tires other than the tires that Skyjack specifies for this MEWP Do not mix different types of...

Page 36: ...Make sure there are no loose or missing fasteners Make sure there is no visible damage Make sure the tabs are not locked 4 AC power socket Make sure that the socket is free of dirt or blockages 5 Lad...

Page 37: ...is a risk of death or serious injury WARNING Corrosion hazard Do not touch battery acid Wear the correct PPE If the battery acid touches you immediately flush the area with cold water and get medical...

Page 38: ...y attached Make sure there is no visible damage 3 Wheel motor assembly Make sure there are no loose or missing fasteners Make sure there is no visible damage 4 Greasing points Make sure there is no vi...

Page 39: ...closes tightly Make sure there is no visible damage or hydraulic leaks Hydraulic oil level 1 Fully lower the platform 2 Do a check on the gauge on the left side of the hydraulic oil tank The hydrauli...

Page 40: ...o visible damage 3 AC power socket Make sure that the socket is free of dirt or blockages 4 Platform control console Make sure that the control console is locked with lock pins Make sure that the plat...

Page 41: ...s no signs of visible damage deformation or cracks in the weldments Make sure all the pins and fasteners are correctly installed Make sure that the cables and wires have the correct routing and show n...

Page 42: ...e 4 3 2 Do a test of the control module and load sensing module self check 1 Push the emergency stop button on the base control console 2 Turn the main power disconnect switch to the on position 3 Pul...

Page 43: ...ult The platform rises 4 3 5 Do a test of the lower neutral raise switch 1 Turn and hold the off platform base switch to the base position 2 Turn and hold the lower neutral raise switch to the raise p...

Page 44: ...ge the brake refer to Section 6 4 4 3 8 Do a test of the emergency stop button on the platform 1 Make sure the main power disconnect switch is in the on position 2 Pull the emergency stop button on th...

Page 45: ...rive function 1 Make sure the path of intended motion is clear 2 Move the lift off drive switch to the drive position 3 Squeeze and hold the function enable switch 4 Slowly push the controller handle...

Page 46: ...stant and sudden stop Do not operate the MEWP if it does not stop immediately or it pulls to one side while it stops A service technician must do a check on the brake adjustments 4 3 14 Do a test of t...

Page 47: ...ise the platform until it is at a height of approximately 4 3 m 14 ft 8 Drive the MEWP forward or rearward Result The drive function does not operate 9 Fully lower the platform 10 Do steps 1 to 9 agai...

Page 48: ...height switch 1 and select the outdoor wind position 3 For SJ3226 Raise the platform to 9 14 m 30 ft Result The platform rises to 5 63 m 18 ft 6 in and then stops For SJ4740 Raise the platform to 9 1...

Page 49: ...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 1 Move the lift off drive sw...

Page 50: ...n 4 Inspections Before Operation Function Tests 4 3 21 Do a test of the flashing light optional equipment 1 Make sure the path of intended motion is clear 2 Operate the drive or lift function Result T...

Page 51: ...sing components Wheel tire assembly Do an inspection for loose damaged or missing components Wheel tire assembly Wheel nuts Entrance side Do an inspection for loose damaged or missing components Main...

Page 52: ...ional equipment and attachments Do an inspection for leaks and loose damaged or missing components Function Tests Do a test of the main power disconnect switch Do a test of the control module and load...

Page 53: ...modified without permission from Skyjack and the MEWP owner If you do not obey there is a risk of death or serious injury 5 1 Energize the base control console 1 Turn the main power disconnect switch...

Page 54: ...d or outdoor wind before you raise the MEWP If you do not obey there is a risk of death serious injury and or MEWP damage 2 For SJ3226 and SJ4740 only Lift the dual height switch and select the indoor...

Page 55: ...ight 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...

Page 56: ...extension handrails If you do not obey there is a risk of machine damage 3 Install the lock pins to lock the extension platform at the necessary position 1 1 5 8 2 Extend retract the extension platfor...

Page 57: ...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 5 11 MEWP shutdown WARNING...

Page 58: ...216380ACA SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 58 Notes...

Page 59: ...ructions before you lower the platform 2 If necessary retract the extension platform or move the MEWP to clear an obstruction 3 Make sure the main power disconnect switch is in the on position WARNING...

Page 60: ...re you operate the MEWP 6 3 Release the brakes manually WARNING Do not manually disengage the brakes if the MEWP is on a slope If you do not obey there is a risk of death or serious injury 1 Make sure...

Page 61: ...or tow the MEWP onto a slope Only brake the tow vehicle slowly Do not pull the MEWP down a slope to a winch Make sure that there are no personnel in the path you plan to travel If you do not obey ther...

Page 62: ...Remove the platform control console from the mounting bracket 4 Remove the control cable lock pin from the railing clamp 2 Remove the control cable from the clamp 1 2 5 Put the platform control consol...

Page 63: ...y stop button when the MEWP is at the necessary location 8 Turn the main power disconnect switch to the off position WARNING Fall hazard Use the three points of contact principle when you use the MEWP...

Page 64: ...ad equipment hoists chains straps and other related items are sufficient to withstand the maximum MEWP weight Park the transport vehicle on a level surface Use wheel chocks or blocks to prevent uninte...

Page 65: ...drive low speed high torque position WARNING When you transport the MEWP it must be attached to a truck or trailer deck Use the available tie down points 1 to attach the MEWP Refer to Figure 15 If you...

Page 66: ...e or explosion If you do not obey there is a risk of death or serious injury 3 Connect the power supply cable to a correctly grounded socket between 100 to 240 VAC 50 60 Hz The charger automatically s...

Page 67: ...If you do not obey there is a risk of death or serious injury 6 8 1 Deploy the maintenance support s 1 Remove all personnel and material from the platform WARNING Look for overhead obstructions or ot...

Page 68: ...maintenance support into the storage bracket 5 Fully lower the platform 6 9 Fold the guardrails When folded down the guardrail system decreases the total height of the retracted MEWP for transport WAR...

Page 69: ...e you fully retract the extension platform 8 For SJ3226 only a Loosen the wing screw from the top bracket of the dual height control console b Put the dual height control console down on the platform...

Page 70: ...y 16 Remove the remaining lock pins from the rear mid rail 17 Hold the rear mid rail with one hand and then fold the rear gate with the other hand Refer to Figure 19 for the hand positions 18 Install...

Page 71: ...tical bar of the extension guardrail with one hand and then fold the right guardrail with the other hand Refer to Figure 20 for hand positions 28 Install the lock pins to lock the right mid rail 29 Re...

Page 72: ...ly retract the extension platform 8 Loosen the wing screw from the top bracket of the dual height control console 9 Put the dual height control console down on the platform floor 10 Remove the lock pi...

Page 73: ...the center left mid rail 19 Remove the lock pin on the rear left mid rail 20 Hold the vertical bar of the extension guardrail with one hand and then fold the left guardrail with the other hand refer t...

Page 74: ...have 2 pins on the rear gate MEWPs with the full gate optional equipment have 4 pins on the rear gate 2 or 4 31 Remove the lock pins from the extension mid rail 32 Hold the mid rail of the extension...

Page 75: ...P If you do not obey there is a risk of death or serious injury 5 Remove the lock pins from the extension guardrail the extension mid rail the rear guardrail and the rear mid rail 6 For MEWPs with ful...

Page 76: ...the lock pins Refer to Figure 23 16 Install the platform control console onto the mounting bracket Install the lock pin 1 in the mounting bracket 17 Put the cable of the platform control console into...

Page 77: ...k pin from the extension guardrail the extension mid rail the rear guardrail and the rear mid rail WARNING Fall hazard Install each lock pin correctly with the detent ball of each lock pin fully throu...

Page 78: ...injury 6 Connect the platform control console cable to the electrical plug at the rear side of the MEWP WARNING Fall hazard Use the three points of contact principle when you use the MEWP ladder to en...

Page 79: ...e and put it on the platform 19 Unfold the guardrails if they were folded Refer to Section 6 9 3 or Section 6 9 4 for the procedure on how to unfold the guardrails WARNING Before you operate this MEWP...

Page 80: ...216380ACA SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 80 Notes...

Page 81: ...Low voltage battery protection Manual extension platform Operator horn Overload sensing system Platform controls Pothole protection system Spring loaded half gate entry Swing out trays for easy access...

Page 82: ...ual Inspection Record Inspection Date Inspector Signature WARNING Do not use the MEWP if there is no inspection recorded in the last 13 months If you do not obey there is a risk of death or serious in...

Page 83: ...ft 11 in Stowed Height Railings Down 1 67 m 65 75 in 1 79 m 70 47 in 1 75 m 68 96 in 1 93 m 76 08 in 1 90 m 74 84 in 1 99 m 78 45 in 2 03 m 79 76 in Stowed Height Railings Up 2 03 m 79 92 in 2 14 m 8...

Page 84: ...h potentially flammable gases explosive gases or particles MEWP not rated for hazardous locations with potentially flammable gases explosive gases or particles EE rated machines only Meets requirement...

Page 85: ...900 lb 2 Persons 136 kg 300 lb 1 Person 400 N 90 lbf 1 5 3 5 12 5 m s 28 mph 1 Person 200 N 45 lbf SJ3226 Dual rating 227 kg 500 lb 2 Persons 113 kg 250 lb 1 Person 400 N 90 lbf 1 5 3 5 12 5 m s 28 m...

Page 86: ...230 11 2 233 1338AA Min Minimum MEWP weight Unloaded platform no options attachments Max Maximum MEWP weight Platform loaded to capacity with options attachments Wheel is the weight that can be experi...

Page 87: ...SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 216380ACA 87 Section 8 Labels Red DANGER Orange WARNING Yellow CAUTION Green Emergency lowering procedure Blue Safety information...

Page 88: ...power to the MEWP the platform position to energize the platform controls or the base position to energize the base controls Turn and hold the lower neutral raise switch to lower or raise the platform...

Page 89: ...te the steering rocker switch to steer Move the controller handle to control the lift and drive movements Select the inclined drive low speed high torque or level drive high speed low torque mode Sele...

Page 90: ...bels Dual height control console label SJ3226 and SJ4740 Description Label Pictorial 1 Dual height controls Lift the dual height switch to select the indoor no wind or outdoor wind mode 12 5 m s 28 mp...

Page 91: ...els Description Label Pictorial 1 Power deck enable switch Move and hold the enable switch to energize the extend and retract functions 132004AB ZZ 2 Power deck extend retract switch Move and hold the...

Page 92: ...than the specified side load Operate the MEWP when the wind speed which includes wind gusts is less than the specified speed for this model The rating changes between different units 0 m s 0 mph TM N...

Page 93: ...ckwise to open it Turn the freewheeling valve clockwise to close it TM 6 AC power plug Connect the AC supply here TM 7 Operator daily inspection Refer to the operation manual Do the visual inspections...

Page 94: ...ct switch to the off position 3 Turn the pin brake blocks 90 with a 19 mm 3 4 in wrench to release them The brake pin must not touch the brake disc 4 Locate the pin brakes at the rear of the base 5 Tu...

Page 95: ...push and release the knob of the hand pump until firm resistance is felt The brake is released 6 Turn the freewheeling valve counterclockwise to a fully open position 7 Push winch or tow the MEWP to t...

Page 96: ...deploy maintenance support s Do not do maintenance or inspections in the scissor assembly unless the maintenance support s are deployed Refer to Section 6 8 TM 14 Warning California proposition 65 Ca...

Page 97: ...logo 3 Wheel load Shows the maximum load applied to the ground by the specified wheel Each model has different wheel loads TM kg lb 4 Warning crush hazard TM 5 Model number Product identifier The mod...

Page 98: ...al inspection Make sure the MEWP receives an annual inspection before operation 9 Emergency lowering procedure Refer to the operation manual Make sure that the main power disconnect switch is in the o...

Page 99: ...only Shows the EE rating for EE rated MEWPs Only MEWPs that are EE rated have this label 13 TUV certification optional equipment SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 and SJ4732 only This MEWP has TUV ce...

Page 100: ...the fall protection anchorage points Rated for one 1 person for each anchorage point TM X1 3 Warning fall hazard horizontal Make sure the hinged railing is locked with lock pins TM 4 Hazard identific...

Page 101: ...h configuration Each model has different platform capacities Horizontal load rating Do not apply more than the specified side load Operate the MEWP when the wind speed which includes wind gusts is les...

Page 102: ...ift and tie down points Only use these points to lift or tie down the MEWP TM 4 Warning deploy maintenance support s Do not do maintenance or inspections in the scissor assembly unless the maintenance...

Page 103: ...bottom ends of the maintenance support touches the cross bar with the label and the maintenance support holds the scissors 4 The maintenance support is now secured A Turn the main power disconnect swi...

Page 104: ...the maintenance supports touch the cross bars with the labels and the maintenance supports hold the scissors 4 The maintenance supports are now secured A Turn the main power disconnect switch to the...

Page 105: ...SJ4732 SJ4740 216380ACA 105 Labels Section 8 Labels Description Label Pictorial 1 Caution tape stripe 2 Model number Product identifier The model number can be different from the one you see 3 Skyjac...

Page 106: ...scription Label Pictorial 6 Wheel load Shows the maximum load applied to the ground by the specified wheel Each model has different wheel loads TM kg lb 7 Stay away Stay away from the MEWP when it is...

Page 107: ...quipment SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 and SJ4732 only Shows the EE rating for EE rated MEWPs Only MEWPs that are EE rated have this label 11 TUV certification optional equipment SJ3215 SJ3219 SJ...

Page 108: ...X 2 2 Fuse location 300A TM 3 Warning connect the charger for EE Rated MEWPs optional equipment SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 and SJ4732 only Do not charge batteries in hazardous areas 4 Hydraul...

Page 109: ...5 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 216380ACA 109 Labels Section 8 Labels Description Label Pictorial 1 Circuit breaker reset Push to reset the power circuit breaker 1 8 5 9 Skycoded display p...

Page 110: ...Description Label Pictorial 1 Lift and tie down points Only use these points to lift or tie down the MEWP TM 2 Forklift pocket Put the fork fully into the pocket to lift the MEWP TM 3 Warning Do not a...

Page 111: ...ur 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 flexib...

Page 112: ...216380ACA SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 112 Notes...

Page 113: ...SJ3215 SJ3219 SJ3220 SJ3226 SJ4726 SJ4732 SJ4740 216380ACA 113 Labels Section 9 Unique Skyjack Features Cancer and Reproductive Harm https www p65warnings ca gov WARNING...

Page 114: ...www skyjack com...

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