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REV. 01 2012

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5.4

HYDRAULIC POWER UNIT

Figure 3 – HYDRAULIC POWER UNIT

5.5

OIL

Use wear proof oil for hydraulic drive, in conformity with

ISO 6743/4

rules (HM class).

T

EST STANDARDS

F

EATURES

V

ALUE

ASTM D 1298

Density 20°C

0.8 kg/l

ASTM D 445

Viscosity 40°C

32 cSt

ASTM D 445

Viscosity 100°C

5.43 cSt

ASTM D 2270

Viscosity index

104 N°

ASTM D 97

Pour point

a

30 °C

ASTM D 92

Flash point

215 °C

ASTM D 644

Neutralization number

0.5 mg KOH/g

C

HANGE HYDRAULIC OIL AT

1

YEAR INTERVALS

Motor

Lowering

solenoid valve

Safety solenoid

valves

Pressure gauge

Leveling cocks

Emergency

hand pump

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Summary of Contents for SLP-7K

Page 1: ...proper care Indicates prohibition Indicates a possibility of danger for the operators Õ Indicates the direction of access for motor vehicles to the lift BOLD TYPE Important information WARNING before operating the lift and carrying out any adjustments please read Chapter 7 Installation carefully This chapter explains all of the proper operations for a better functioning lift ...

Page 2: ... GENERAL INFORMATION 4 2 PRODUCT IDENTIFICATION 6 3 PACKING TRANSPORT AND STORAGE 7 4 PRODUCT DESCRIPTION 8 5 TECHNICAL SPECIFICATION 10 6 SAFETY 17 7 INSTALLATION 20 8 OPERATION AND USE 26 9 MAINTENANCE 29 10 TROUBLESHOOTING 30 ...

Page 3: ...y out lifting transport assembling installation adjustment calibration settings extraordinary maintenance repairs overhauling and dismantling of the lift THE MANUFACTURER IS NOT RESPONSIBLE FOR POSSIBLE DAMAGE TO PEOPLE VEHICLES OR OBJECTS IF SAID OPERATIONS ARE CARRIED OUT BY UNAUTHORIZED PERSONNEL OR THE LIFT IS IMPROPERLY USED Any use of the machine made by operators who are not familiar with t...

Page 4: ...y other use which differs from that provided for by the manufacturer of the machine is strictly forbidden The use of non genuine parts may cause damage to people or objects DECLARATION OF WARRANTY AND LIMITATION OF LIABILITY The manufacturer has paid proper attention to the preparation of this manual However nothing contained herein modifies or alters in any way the terms and conditions of manufac...

Page 5: ...cing what has been described herein 2 1 WARRANTY CERTIFICATE The warranty is valid for a period of 12 months starting from the date of the purchase invoice The warranty will come immediately to an end when unauthorized modifications to the machine or parts of it are carried out The presence of defects in workmanship must be verified by the Manufacturer s personnel in charge 2 2 TECHNICAL SERVICING...

Page 6: ... trucks and hoisting means Be sure also to hoist and transport the components securely so that they cannot drop taking into consideration the package s size weight and center of gravity and it s fragile parts Hoist and handle only one package at a time 3 3 STORAGE AND STACKING OF PACKAGES Packages must be stored in a covered place out of direct sunlight and in low humidity at a temperature between...

Page 7: ...own in figure 2 the lift is composed of two platforms P1 1 and P2 2 each equipped with the drive on off ramps 3 which can be locked to the platforms as extensions anchored to the ground by means of bases 4 Platforms are linked to the base by means of a scissor lifting system The lifting system of each platform is composed of N 4 arms two inferior 5 and two superior 6 and a couple of cylinders mast...

Page 8: ...load lifted The hydraulic system is protected by a max pressure valve thus preventing pressure from exceeding the maximum fixed safety limit Whenever the lift has to be lowered to the ground and the lowering button is pressed the lift will stop at about 16 inches from the ground In this way the operator must verify that neither persons nor objects are within the safety area If so the final lowerin...

Page 9: ...h Power 2 2 KW N Poles 2 Speed 2800 rpm Motor enclosure type B14 Insulation class IP 54 Motor connection must be carried out referring to the attached wiring diagrams Fig 5 The motor direction of rotation is shown in the label placed on the motor Before use of the lift make sure to check if the motor specification shown in the nameplate of the motor conforms to the local electric supply If there i...

Page 10: ...REV 01 2012 11 30 Figure 2 LAYOUT ...

Page 11: ... VALUE ASTM D 1298 Density 20 C 0 8 kg l ASTM D 445 Viscosity 40 C 32 cSt ASTM D 445 Viscosity 100 C 5 43 cSt ASTM D 2270 Viscosity index 104 N ASTM D 97 Pour point a 30 C ASTM D 92 Flash point 215 C ASTM D 644 Neutralization number 0 5 mg KOH g CHANGE HYDRAULIC OIL AT 1 YEAR INTERVALS Motor Lowering solenoid valve Safety solenoid valves Pressure gauge Leveling cocks Emergency hand pump ...

Page 12: ...ol 2a P1 slave cylinder 7 Maximum pressure valve 2b P2 slave cylinder 8 Oil filter 3a Parachute valve P1 optional 9 Gear pump 3b Parachute valve P2 optional 10 Motor 4a Ssafety solenoid valve P1 11 Non return valve 4b Safety solenoid valve P2 12 Pressure gauge 4c Lowering solenoid valve 13 Emergency hand pump 5a Leveling cock P1 ...

Page 13: ...Power switch QV Safety air valve M Motor 2 2KW 1PH SB1 Lifting button ST Thermal relay SB2 Lowering final lowering button T Transformer 80VA SB3 Safety engaging button KM Contactor DC JD Beeper YV1 Lowering solenoid valve SQ1 Top limit switch YV2 Safety solenoid valve P1 SQ2 Safety height limit switch YV3 Safety solenoid valve P2 ...

Page 14: ...Pressure regulator 7 bar Safety air valve P2 safety cylinder P1 safety cylinder Lubricator Compressor Lubricator pressure regulator can be supplied by the manufacturer on request The pressure in the pneumatic line must be kept around 6bar 8 bar ...

Page 15: ... operator and the person in charge of maintenance must follow accident prevention laws and rules in force in the country where the lift is installed They also must carry out the following x neither remove nor disconnect hydraulic electric or other safety devices x carefully follow the safety indications applied on the machine and included in the manual x observe the safety area during lifting x be...

Page 16: ...tively low height for working the risk of bumping against projecting parts occurs Fig 8 6 6 RISK OF THE VEHICLE FALLING FROM THE LIFT Vehicle falling from the lift can be caused when the vehicle is improperly placed on platforms and when its dimensions are incompatible with the lift or by excessive movement of the vehicle In this case immediately move away from the working area Fig 9a Fig 9b Fig 9...

Page 17: ...TS DURING OPERATION Materials and procedures suitable for the designed parameters of the lift have been used by the manufacturer to build a safe and reliable product Operate the lift only for the use it has been designed for and follow the maintenance schedule shown in the chapter Maintenance Fig 11 6 11 RISKS FOR UNAUTHORIZED USES The presence of unauthorized persons next to the lift and on the p...

Page 18: ...d on a 425 concrete floor with FEB 215 K reinforcement minimum 6 inches thick and in conformity with local regulations If a floor covering with the above mentioned requirements is not available a foundation plate is needed or some fixing points should be used for fixing areas at least having sufficient size and thickness made of concrete of the same quality as shown The surface where the lift has ...

Page 19: ... unit x Connect hydraulic hose to the fittings referring to the letters shown on them x Tighten thoroughly Make sure that the hoses are clear of any moving parts Make sure to keep the hoses and fittings clean from dust Failure to do so may result in hydraulic line failure which may result in damage or personal harm Figure 13 HYDRAULIC CONNECTION P1 P2 ...

Page 20: ...NOT attempt to raise vehicle until a thorough operation check has been completed 7 7 1 CHECK x Inspect all pins and bolts to insure proper mounting x Make sure the electrical system feeding voltage is equal to that specified in the nameplate on the motor x Make sure the electric connections are in compliant with the wiring diagrams figure 5 x Make sure this is no leakage or blow up in the hydrauli...

Page 21: ...at least 5 times to bleed all the air out of the cylinders 7 7 5 PLATFORM LEVELING If the platforms aren t leveled one of the two platforms is lower than the another one follow these instructions x Turn on the leveling cock of the lower platform x Feather push the lifting button until this platform is in the same height as another x Turn off this leveling cock after leveling 7 8 ANCHORING THE LIFT...

Page 22: ...ly it s possible to adjust them in the following way 7 9 1 ADJUSTMENT OF TOP LIMIT SWITCH fig 16 1 x Place the lift at a height of 6 feet x Loosen the nuts 3 of the limit switch and adjust it at the desired height x Tighten the nuts after adjustment 7 9 2 ADJUSTMENT OF SAFETY HEIGHT LIMIT SWITCH fig 16 1 x Place the lift at a height of 1 foot x Loosen the nuts 3 of the limit switch and adjust it a...

Page 23: ...ring the final travel 7 11 CHECKING WITH LOAD WARNING please follow the instructions in the following paragraph carefully to avoid damaging the lift Before carrying out the checks with load inspect the machine and check bolts and nuts for proper tightening x repeat checks provided for by 7 10 section with the vehicle loaded x if the platforms weren t leveled repeat the 7 7 section ...

Page 24: ...ric circuit is not powered the switch can be padlocked to prevent the use of the lift 1 position the main electric circuit is powered FUNCTION INDICATOR 2 When ON lights it shows that the electric circuit is powered When lights it shows that the top limit switch is working When lights it shows that the safety height limit switch is working When lights it shows that the power unit is working When l...

Page 25: ...hicle to the required height x Rest the lift in standing position by pushing the safety engaging button to engage the safeties 8 2 LOWERING x Raise the lift a little bit to release the safeties x Press the lowering button x The lift will descend under its own weight and car s to the safety height of 1 ft x Be sure the safety area is free of people and objects x Press the lowering button again unti...

Page 26: ...ased it is advised to use a board to put between the safety pawl and the rack to avoid it from engaging In this case you do not need to press the emergency button continuously Tightening or loosening the screw can reduce or increase the lowering speed After manual lowering of the lift reset it to ordinary operating conditions The lift cannot be lifted if the solenoid valves are opened ...

Page 27: ...ast once a month using self cleaning clothes Lubricate all pivot pins at least once a week The use of water or inflammable liquid is strictly forbidden Be sure the rod of the hydraulic cylinders is always clean and not damaged since this may result in leakage from seals and lead to possible malfunctions 9 2 PERIODIC MAINTENANCE Every 3 months Hydraulic circuit check oil tank level refill with oil ...

Page 28: ...ction pump filter is dirty Check and clean if needed The lift does not lower when the lowering button is pressed The motor does not operate properly and does not release the mechanical safeties Check the motor The lift goes up instead of going down Because safety air valve is faulty Replace air valve Because the air does not reach the circuit Verify the compressor and air hose ability Because elec...

Page 29: ...ill oil in the tank The pump is faulty Check the pump and replace if necessary The pressure valve is not adjusted correctly Adjust it correctly The lift does not lift or lower smoothly Leakages or presence of air in the hydraulic circuit Bleed the hydraulic system The motor does not stop when reaching it maximum height The top limit switch does not work Check the limit switch and replace if needed...

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