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Mid Size & Full Size RTs 

Engine Powered

Page 17

Section 2 - Familiarization 

Visual & Maintenance Inspection

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.

2.3-6  Hydraulic/Electrical Compartment

 -

Ensure all compartment latches are secure 
and in proper working order.

• 

Main Power Disconnect Switch 

 -

Turn main power disconnect switch to 
“ ” off position.

 -

Ensure all cables are secure and switch 
is in proper working condition.

• 

Base Control Switches

 -

Ensure there are no signs of visible 
damage and all switches are in their 
neutral positions.

• 

Battery

 

Proper battery condition is essential to 
good performance and operational safety. 
Improper fluid levels or damaged cables and 
connections can result in component damage 
and hazardous conditions.

WARNING

Explosion hazard. Keep flames 
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 flush with 

cold water and seek medical attention.

1.  Check battery case 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 fluid level. If plates 

are not covered by at least 13 mm 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 aerial 

platform.

Typical Model 71xx shown

Main Power 

Disconnect Switch

Electrical Panel

Motion Control Manifold

Base Control 
Switches

Load/Tilt 

Sensor

Cushion Cylinder

Main Manifold

Brake Manifold

Emergency Lowering 
Access Rod

FAMILIARIZA

TION

FAMILIARIZA

TION

Summary of Contents for SJ 7127

Page 1: ...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...

Page 2: ...pe Unit 1 Maes Y Clawdd Maesbury Road Industrial Estate Oswestry Shropshire SY10 8NN UK Phone 44 1691 676 235 Fax 44 1691 676 238 Email info skyjackeurope co uk Skyjack Asia Pacific Singapore Phone 65...

Page 3: ...volved 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 av...

Page 4: ...emblies 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 Procedur...

Page 5: ...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 foun...

Page 6: ...ar 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 Elec...

Page 7: ...ID 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 expos...

Page 8: ...ohibited 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...

Page 9: ...ully 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 Th...

Page 10: ...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 SJR...

Page 11: ...atform does not or only partially raises immediately lower the platform completely and ensure that the aerial platform is on a firm level surface 2 2 4 Load Sensing System This system is a safety devi...

Page 12: ...tton when depressed disconnects power to the control circuit 2 2 6 Brake System The brake system is located on the main manifold in the hydraulic electrical compartment The brake must be manually dise...

Page 13: ...or on top of fuel cabinet Model 9250 This emergency lowering system is located on the hydraulic tank and is accessed through a hole in the hydraulic electrical compartment door 2 1 Figure 2 6 Emergenc...

Page 14: ...depressed disconnects power to control circuit and shuts engine off The red colored light indicates upper control availability and overload status When the light is continuously illuminated upper con...

Page 15: ...ood performance and service life of the aerial platform Inspect the following areas for chafed corroded and loose wires base to platform cables and wiring harness engine compartment electrical panel e...

Page 16: ...ge and hazardous conditions WARNING Explosion hazard Keep flames and sparks away Do not smoke near batteries WARNING Battery acid is extremely corrosive Wear proper eye and facial protection as well a...

Page 17: ...ad tilt sensor is properly secured and there is no visible damage Hydraulic Tank Models 92xx Ensure hydraulic filler cap is secure Ensure tank shows no visible damage and no evidence of hydraulic leak...

Page 18: ...d and then visually inspect the sight gauge located on the side of the hydraulic oil tank The hydraulic oil level should be at or slightly above the top mark of the sight glass Fuel Tank IMPORTANT Bef...

Page 19: ...ere are no loose or missing parts and there is no visible damage Check coolant level and add as needed Muffler and Exhaust Ensure muffler and exhaust system are properly secured with no evidence of da...

Page 20: ...oil as needed Engine Air Filter Ensure there are no loose or missing parts and there is no visible damage Fuel Leaks Ensure there are no fuel leaks DANGER Engine fuels are combustible Inspect the aer...

Page 21: ...d secured Ensure gate is in good working order Lanyard Attachment Anchors Ensure attachment rings are secure and have no visible damage AC Outlet on Platform Ensure outlet has no visible damage and fr...

Page 22: ...tenance support is properly secured and shows no visible damage Scissor Assembly Ensure scissor assembly shows no visible damage and no signs of deformation in weldments Ensure all pins are properly s...

Page 23: ...dewalls for cuts cracks punctures and unusual wear Check each wheel for damage and cracked welds Check each lug nut for proper torque to ensure none are loose Refer to Table 4 6 for wheel tire specifi...

Page 24: ...71xx shown Bottom View Base Weldment Manual Storage Box Ladder Drive Axle Ladder Ensure there are no loose or missing parts and there is no visible damage Outriggers If Equipped Ensure there are no lo...

Page 25: ...sure to read and understand Section 3 8 Start Operation 2 4 1 Platform Control Console 1 Turn main power disconnect switch to on position 2 On engine control console select off on start switch to on p...

Page 26: ...0 seconds 10 Depress and hold engine start pushbutton to start the engine Test Emergency Stop 1 Push in emergency stop button Result Engine should shut down and aerial platform functions should not op...

Page 27: ...th of intended motion is clear 3 Select off lift drive key switch to drive position 4 Without activating enable trigger switch attempt to drive and steer the aerial platform Result Drive and steer fun...

Page 28: ...switch only Result Aerial platform should come to an instant and abrupt stop Test Speed Limit WARNING Be aware of overhead obstructions or other possible hazards around the aerial platform when lifti...

Page 29: ...tform should extend 2 Retract each extension platform fully Result Each extension platform should fully retract Test Emergency Powered Extension Platform Retraction Switch Models 92xx 1 Extend both po...

Page 30: ...switch Result Engine should shut off 3 Attempt to start engine without selecting and holding enable switch Result Engine should not start Test Base Lift Enable 1 Start the engine 2 On base control co...

Page 31: ...tform should fully lower 4 To restore normal operation depress and turn holding valve manual override knobs clockwise Test Emergency Lowering Model 9250 WARNING Be aware of overhead obstructions or ot...

Page 32: ...stowed position fully retract all outriggers using auto level Result All four outriggers will retract until they are in the stowed up position WARNING Ensure that there are no personnel or obstructio...

Page 33: ...r partially extended attempt to lift the platform Result Lift function will not operate With Right Front Outrigger partially extended attempt to lift the platform Result Lift function will not operate...

Page 34: ...tion Extend each outrigger until it raises the tires up approximately 2 Retract the Left Rear Outrigger until the weight is resting on the corresponding tire Extend the Right Front Outrigger until it...

Page 35: ...ING Do not push winch or tow aerial platform onto a slope Do not stop the towing vehicle rapidly Do not pull aerial platform down an incline 2 5 1 To Release the Brake Manually WARNING Do not manually...

Page 36: ...t 4 On the hydraulic compartment pull out and hold emergency lowering valve item 2 to lower platform 5 To restore normal operation depress and turn holding valve override knobs clockwise Model 9250 WA...

Page 37: ...lified person 3 1 2 Operator s Responsibility for Maintenance WARNING Maintenance must be performed by trained and competent personnel who are familiar with mechanical procedures Death or serious inju...

Page 38: ...onents Section 3 Operation 3 2 Major Components SKYJACK Model 7127 Aerial Platform Platform Control Console Entry Gate Base Main Platform Lifting Mechanism Hydraulic Electrical Compartment Extension P...

Page 39: ...leased disc brake A roll out tray at the front of the base supports an engine coupled with a two section hydraulic pump providing power to the hydraulic system An engine control console is also locate...

Page 40: ...the maintenance support push lock lever rearward and the maintenance support will drop Refer to Section 3 12 for procedure on how to use and store the maintenance support Figure 3 1 Maintenance Suppo...

Page 41: ...aerial platform check the guardrail system for loose or missing locking pins The guardrail system must be upright and all pins must be locked in place Death or serious injury could result if the guard...

Page 42: ...Enable Switch This outrigger enable switch when in the extend or retract position activates the functions on the auto level switch and the outrigger extend retract switches 5 Leveling Indicator Light...

Page 43: ...verter NOTE The inverter operation is automatic These controls do not need to be manipulated for normal operation 1 On Off Switch This diagnostic slide switch activates or terminates inverter operatio...

Page 44: ...ut into service IMPORTANT The operator must understand and follow the step by step instructions to test all aerial platform functions The operator should make a copy of the Operator s Checklist see Ta...

Page 45: ...rly 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 o...

Page 46: ...lect off on start switch to on position 3 On base control console pull out emergency stop button WARNING Ensure that you maintain three points of contact when using the ladder to mount dismount platfo...

Page 47: ...nsure that the aerial platform is on a firm level surface NOTE Some models may be equipped with an 8 meter lift height restriction To raise the platform higher than 8 meters the aerial platform s outr...

Page 48: ...ascending or descending grades traveling on rough terrain or when loading or unloading aerial platform To activate high torque select low high speed range switch to low speed high torque position WARN...

Page 49: ...is not in use pull the plungers item 3 on the push bar and retract it then rotate it back to its resting position and lock it into place with the locking pins item 2 3 8 9 To Extend or Retract Powered...

Page 50: ...y retracted Flashing Rapidly The outriggers are extending or retracting Flashing Not all outrigger legs have firm ground contact or aerial platform is not level On The outriggers are extended and the...

Page 51: ...is running at high throttle Deselecting the high idle throttle setting or stopping the engine will turn the inverter off To check the status of the inverter 1 During routine operation the on off swit...

Page 52: ...NG Do not smoke in an area where aerial platforms are stored or refueled 3 9 1 Regular Fuel Diesel 1 Ensure engine and all systems are turned off and emergency stop buttons are depressed 2 Open fuel c...

Page 53: ...3 10 1 Lifting WARNING Only qualified rigger shall perform lifting When it is necessary to lift the aerial platform the following conditions must be met The platform must be fully lowered The main po...

Page 54: ...an be lifted with a forklift from the sides but Skyjack does not recommend this use Lift with forks in designated pockets as illustrated in Figure 3 11 3 10 2 Driving Before driving the aerial platfor...

Page 55: ...atform is on level ground and all extension platforms are fully retracted 2 Turn main power disconnect switch to off position WARNING Ensure that you maintain three points of contact when using the la...

Page 56: ...de left side right extension left extension front and rear 5 Swing the right side guardrail up and lock it in place by inserting all locking pins 6 Swing the left side guardrail up and lock it in plac...

Page 57: ...14 Maintenance Support To Deploy the Maintenance Support 1 Remove all material from platform 2 Raise platform until there is adequate clearance to swing down maintenance support item 1 3 Push latch l...

Page 58: ...inets with swing out door Lowering warning system Manual brake release Maximum drive height Full Height Full Height Full Height Full Height 7 9 m Operator horn Overload sensing system Platform control...

Page 59: ..._______________ As described earlier in this section this decal is located on the scissor assembly It must be completed after an annual inspection has been completed Do not use the aerial platform if...

Page 60: ...ngine Oil Capacity Liters Coolant Type Coolant Capacity Liters Sound Pressure Level ISO 3744 Guaranteed MaximumSound Power Level ISO 4871 140AA AS 0 35 km h Standard Operating Times Chassis 5 69 km h...

Page 61: ...kg 2 227 kg 2 9250 Two Extension Platform 681 kg 5 227 kg 2 227 kg 2 141AA AS NOTE Capacities listed are for standard machines equipped with 6 tires Number of Occupants MODEL Not Available Not Availa...

Page 62: ...d Total Aerial Platform Weight MODEL 7127 7135 8831 8841 9250 The LCP or OUP that an individual surface can withstand varies from structure to structure and is generally determined by the engineer or...

Page 63: ...Pressure LCP Overall Uniform Pressure OUP Foot Print Area Length x Width Base Area Length x Width LCP 0 4 x Weight of Aerial Platform Capacity Foot Print Area OUP Weight of Aerial Platform Capacity Ba...

Page 64: ...Rating FULL SIZE MID SIZE Tire Size Fill Specification 6F 10 N A 6F Foam 10 Usage S tandard Or O ptional O S N A N A S O O S S A A Rim Backspace Diagram Inboard Backspace Outboard SECTION A A 7127 71...

Page 65: ...atform Raising Lowering A Engine Control Console A Test Enable Trigger Switch A Radiator A Test Steering A Muffler and Exhaust A Test Horn A Engine Tray A Test Driving A Hydraulic Pump A Test Brake A...

Page 66: ...Fuel Compartment Electrical Panel Load Tilt Sensor Hydraulic Tank Model 9250 OPERATOR S CHECKLIST Each item shall be inspected using the appropriate section of the Skyjack operating manual DAILY FAIL...

Page 67: ...ion stripe 4 Wheel Specifications Refer to manual for wheel type offset pressure and torque 5 Foam filled Wheel load Indicate foam filled tire and rated wheel load Wheel load will vary over different...

Page 68: ...ound Power Level Guaranteed maximum sound power level 8 Diesel Use diesel fuel only 9 4x4 Product identifier 4 wheel drive WARNING 1234 1234 1234 PSI BAR MANUAL 124631AA CM ZZ INCH 1234 1234 1234 PSI...

Page 69: ...ar 13 Keep Keep clear 14 Annual Inspection Ensure that aerial platform has received annual inspection prior to operation 15 Warning Falling hazard Hinge point WARNING Falling Hazard Make sure hinged r...

Page 70: ...sive Fumes Danger Explosive Fumes Do not smoke while refueling aerial platform 2 Diesel Use diesel fuel only 3 No Smoking Do not smoke near this location 4 Hydraulic Oil ATF Dexron III Replace hydraul...

Page 71: ...Stripe Caution stripe 2 Lift and Tie Down Points Only use these points for lifting or tying down 3 Skyjack Logo Large Skyjack logo blue and red 4 Warning Falling hazard Hinge point WARNING Falling Ha...

Page 72: ...ations Refer to manual for wheel type offset pressure and torque 5 Foam filled Wheel load Indicate foam filled tire and rated wheel load Wheel load will vary over different aerial platforms Left Side...

Page 73: ...identifier 4 wheel drive 8 Tape Red Blue Red Skyjack pinstripe 9 Manual Storage Box Indicates location of operating manual Left Side Continued 6 7 8 WARNING xx 123628AB 1234 1234 1234 PSI BAR MANUAL...

Page 74: ...t aerial platform has received annual inspection prior to operation 14 Warning Falling hazard Hinge point WARNING Falling Hazard Make sure hinged railing is pinned 15 Keep Clear Keep clear Left Side C...

Page 75: ...anel upper bank Note Relay names will vary with differing units 3 Relay Names Lower Model 71xx Relay names for Model 71xx electrical panel lower bank Note Relay names will vary with differing units 4...

Page 76: ...rols Select to lower or raise platform Select platform to enable platform controls off to disable controls or base to enable base control console Push to disable controls 8 Emergency Lowering Procedur...

Page 77: ...ct Platform A C Supply Connect A C power supply here for platform accessory outlet 3 Connect Air Supply Connect platform air supply here 4 Warning Do Not Alter Aerial platform altering warning 5 Stand...

Page 78: ...ling is pinned 10 Caution Tape Stripe Caution Strip 11 Platform Capacity Rated work load in each configuration is as shown Platform capacity varies over different aerial platforms 12 Serial Plate Prod...

Page 79: ...g hazard 3 Warning Do Not Alter Aerial platform altering warning 4 Engine Control Select to start run or stop engine Select to energize glow plugs Do not start engine Red lamp illuminates until the gl...

Page 80: ...ch to steer Move controller forward to drive forward or backward to drive reverse 2 Low High Speed Range Select for low speed high torque or high speed low torque 3 Low High Throttle Select low or hig...

Page 81: ...ise Off Lower Platform Select to raise the platform to turn power off or to lower the platform 6 Lift Off Drive Select to enable lift off or drive mode 7 Emergency Stop Push to disable controls 8 Lift...

Page 82: ...Pictorial Description 10 Glow Plug Select to activate glow plugs 11 Horn Select to sound horn 12 Low High Torque Select low speed high torque or high speed low torque 13 Controller Connector Pinout Co...

Page 83: ...tend for each outrigger Select to enable or disable generator Indicates leveling system status Off The outriggers are fully retracted Flashing Rapidly The outriggers are extending or retracting Flashi...

Page 84: ...Reliable lift solutions by people who care www skyjack com...

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