Anthony Liftgates ETU-20-44, Maintenance Manual

Page 1: ...ETU MODELS ETU 20 44 ETU 25 50 For Serial Number 123751 and Greater MAINTENANCE MANUAL MADEINTHEUSA Quality Reliability Customer Service ...

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Page 3: ... 3 2 Equipment Tools Parts 7 2 3 3 Battery Fuel Tank Safety 7 3 Maintenance 8 3 1 Monthly Inspection 8 3 2 Semi Annual Inspection 8 3 3 Mechanical Platform Adjustment 8 3 4 Hydraulic System Maintenance 9 3 4 1 Adding Fluid to Power Unit Reservoir 9 3 4 2 Checking Lowering Valve Cartridge and Solenoid 9 3 4 3 Solenoid Valve Screen 10 3 4 4 Replacing Solenoid Valve 10 3 4 5 Checking Cylinder Piston ...

Page 4: ...nstalled or changed it must not alter or prevent vehicle compliance with any existing State or Federal standards such as FMVSS 108 Lamps Reflective Devices and Associated Equipment 1 3 2 Rear Impact Guards WARNING When stored in the transport position this liftgate must provide protection against rear impact and comply with State and Federal standards in your area Anthony Liftgates offers a bolt o...

Page 5: ...ety information in this manual serves as an essential guide in an attempt to prevent injury or even death Anthony Liftgates cannot anticipate every possible circumstance that might involve a potential hazard The LGHQWL FDWLRQ RI KD DUGRXV VLWXDWLRQV LQ WKLV PDQXDO DQG on the product itself is therefore not all inclusive If you use procedures work methods or operating techniques QRW VSHFL FDOO PHQW...

Page 6: ...Do not alter or modify Do not weld No smoking No open flame No alcohol No drugs 2 2 3 Hazard Avoidance Safety alert symbol Slipping injury Tripping injury Pinch point hazard Pinch hazard foot Dangerous fumes Adequate ventilation Crush hazard Crush hazard Crush hazard chock wheels Chock wheels rollover hazard Fall hazard truck Fall hazard platform Damaged parts hazard Fire hazard Sparks fire hazard...

Page 7: ... A cut battery cable can cause sparks causing component damage resulting in loss of vehicle control serious injury or even death CAUTION OEM If replacement parts are necessary genuine factory OEM replacement parts must be used to restore the liftgate to the original specifications Anthony Liftgates will not accept responsibility for damages as a result of using unapproved parts Using non OEM repla...

Page 8: ...yken Glacial Blu Electrical Components 9 Make sure all electrical wires switches and connections are in good working condition and operate properly 10 Proper wire connection is crucial to the life and dependability of the liftgate s electrical components A poor connection can result in low Voltage causing the liftgate to work incorrectly 11 Check the fluid level of the vehicle battery Fill as requ...

Page 9: ...atic transmission fluid due to possible compatibility problems Use the appropriate viscosity of fluid based on the surrounding climate conditions Viscosity is important because the pump will not cause a temperature increase to the oil in the reservoir like a typical closed loop hydraulic system DO NOT use brake fluid in place of our recommended fluids 4 Change the fluid if it is contaminated or di...

Page 10: ...n the UP position 4 If a continuous flow of oil comes out of the breather port then the piston seals are leaking Replace the cylinder 3 4 6 Checking System Pressure To check the power up pressure setting 1 Place the liftgate on the ground and remove the pressure hose from the power up port of the pump 2 Install a T fitting customer supplied into the power up port 3 Connect a pressure gauge and rec...

Page 11: ...rt number A 150438 10 Amp Fuse 3 5 2 Control Switch Wiring 2 3 1 1 Yellow solenoid wire to green control cable wire 2 Black 10 Amp fuse wire to black control cable wire 3 Red motor start solenoid wire to white control cable wire Note The two yellow solenoid wire are interchangeable and can be connected to either the control cable or the ground bolt on the pump 3 5 3 Checking the 175 Amp Power Cabl...

Page 12: ... cable or fuse is defective and should be replaced 3 5 6 175 Amp Fuse Replacement CAUTION To avoid injury or property damage disconnect the liftgate s power cable from the battery before starting to replace the fuse An arc can occur resulting in personal injury or property damage if the power cable is connected to the battery 1 Cut the heat shrink tube to expose the fuse mounting hardware and lugs...

Page 13: ...re attached A 131028 A 150601 This hydraulic reservoir is filled with Kendall Glacial Blu hydraulic fluid Use ONLY the same or equivalent fluid A 131133 6 7 8 9 10 Item Part Number Description Qty 1 A 131115 DECAL WARNING PERSONAL INJURY 1 2 ATU 423 DECAL OPERATING INSTRUCTIONS 1 3 A 150238 DECAL NOTICE PROTECTED WITH ELECTRICAL OVERLOAD CIRCUIT BREAKER 1 4 ATU 141 DECAL POWER CUT OFF SWITCH 1 5 A...

Page 14: ...atform using UP and DOWN functions of control switch 5 Press control switch DOWN until folded platform rests on ground Always stand on curbside of truck when raising or lowering platform with control switch 2 A131150 3 A 150238 NOTICE THIS LIFTGATE IS PROTECTED WITH AN ELECTRICAL OVERLOAD CIRCUIT PROTECTION DEVICE EITHER A CIRCUIT BREAKER OR A FUSE AND IS LOCATED NEAR THE POWER SUPPLY A 150238 4 A...

Page 15: ...028 A 131001 attached to control cable 10 AMP FUSE HOLDER Protects against dead shorts in this control circuit If blown pull fuse holder cap replace fuse replace cap If fuse continues to blow contact a qualified mechanic control circuit may be damaged A 131001 10 AMP FUSE HOLDER Protects against dead shorts in this control circuit If blown pull fuse holder cap replace fuse replace cap If fuse cont...

Page 16: ... Motor start solenoid Check solenoid 3 5 4 Checking Motor Start Solenoid on page 12 Power cable Connect motor directly to a spare battery 3 5 5 Checking the Power Cable on page 12 Motor If the motor is determined to be defective it should be replaced Defective motors are typically caused by weak batteries low Voltage loose connections corrosion or a poor ground If the motor does not operate in fre...

Page 17: ...r Piston Seals for Drift on page 10 Hydraulic pump is worn Replace hydraulic pump Liftgate will not open Platform operating area is not clear Clear platform operating area Latch chain is connected Activate the UP switch and release the latch chain Platform lowers extremely slow Improper oil in hydraulic reservoir See Monthly Inspection 3 1 Monthly Inspection on page 8 Bushing wear where lift arms ...

Page 18: ...Anthony Liftgates Inc 18 ETU Maintenance www anthonyliftgates com 800 482 0003 NOTES ...

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Page 20: ...ambién está disponsible en nuestro sitio Web ANTHONY LIFTGATES INC 1037 W HOWARD ST P O BOX 615 PONTIAC IL 61764 0615 PH 815 842 3383 FAX 815 844 3612 TOLL FREE 800 482 0003 WWW ANTHONYLIFTGATES COm ETU Form No L 901 MM 02 19 ...