Related Manuals for AGM ASCENSION PROTEGE 5442F Series
Summary of Contents for AGM ASCENSION PROTEGE 5442F Series
- Page 1 ASCENSION PROTEGE WHEELCHAIR LIFT 5442F MODEL SERIES PRODUCT MANUAL Patented – see ascension-lift.com/patents...
- Page 3 ASCENSION PROTEGE WHEELCHAIR LIFT 5442F MODEL SERIES PRODUCT MANUAL...
- Page 4 Copyright © 2018 Ascension, a Division of AGM, Tucson, Arizona This document, or parts thereof, may not be reproduced in any form, by any method, for any purpose, without written permission from Ascension.
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Page 5: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ......................1 About This Manual ....................... 1 Additional Information ....................2 Getting Help ......................... 2 Contacting Ascension ....................2 SECTION 1 General ....................3 Product Information .................... 3 Terminology ....................... 4 Important Safety Information ................5 Description of Operation .................. - Page 6 SECTION 5 Electrical Testing ..................32 Access to the Electrical Panel ................35 Testing the Switches ..................36 Testing the Smart Relay ................... 37 Testing the Power Supply ................38 Testing the Power Relays ................38 SECTION 6 Troubleshooting ..................40...
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Page 7: Introduction
Product Manual Introduction PROTEGE 5442F INTRODUCTION This manual, along with the Installation Guide, is to be retained by the lift installer. The purpose of this manual is to provide the necessary information to perform maintenance and repairs on the Ascension PROTEGE wheelchair lift. This manual is intended to be used by skilled technicians who have experience working on electro- mechanical systems and devices. -
Page 8: Additional Information
Product Manual Introduction PROTEGE 5442F Additional Information Refer to the Owner’s Manual for instructions on routine maintenance and manual operation, and for general safety precautions. Refer to the Installation Guide for instructions on installing the lift. Refer to the detailed electrical schematic that was included with the lift to perform additional electrical troubleshooting beyond what is covered in this manual. -
Page 9: General
Product Manual SECTION 1 PROTEGE 5442F SECTION 1 General Product Information Operational VERTICAL TRAVEL DISTANCE: 4" to 42" OCCUPANCY: 1 person MAXIMUM PASSENGER LOAD: 900 pounds AVERAGE SPEED: 5 feet per minute Physical INTERIOR DIMENSIONS: 36"... -
Page 10: Terminology
Product Manual SECTION 1 PROTEGE 5442F Terminology To effectively use this manual, you need to be familiar with the following terms. Refer to the figure on the following page for identification of components. Not all components are shown in the figure. Access Panel The hinged panels (four total) that provide access to the machinery cabinets. -
Page 11: Important Safety Information
Product Manual SECTION 1 PROTEGE 5442F Important Safety Information When using the lift, the following basic safety precautions and practices must be observed: Read and understand all of the information contained in this manual. Do not overload the lift. The lifting capacity is stated on the lift’s data plate. ... -
Page 12: Description Of Operation
Product Manual SECTION 1 PROTEGE 5442F Description of Operation Two hydraulic cylinders raise and lower the platform. When the "Up" circuit is energized, an electric motor operates a hydraulic pump which provides pressurized hydraulic fluid to the cylinders, causing the cylinder rods to extend and raise the platform. -
Page 13: Operation
Product Manual SECTION 2 PROTEGE 5442F SECTION 2 Operation Standard Operation Both gates must be closed for the lift to operate. On/Off switch in right machinery cabinet must be set to ‘ON’ for lift to operate. This switch may be set to “OFF” to prevent unwanted movement of lift. ... - Page 14 Product Manual SECTION 2 PROTEGE 5442F Figure 2 To move the platform upward, pump the handle. Please note that the hydraulic power unit is attached with flexible mounts to minimize noise and vibration, and that it is normal for the unit to move around significantly when pumped by hand. To move the platform downward, pump the handle while depressing the black valve button located beside the hand pump.
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Page 15: Routine Maintenance
Product Manual SECTION 3 PROTEGE 5442F SECTION 3 Routine Maintenance The owning facility is responsible for the proper maintenance of the lift. The following checks must be performed every six (6) months: 1. Verify the operation of the lift per Section 2. 2. -
Page 16: Mechanical Disassembly And Repair
Product Manual SECTION 4 PROTEGE 5442F SECTION 4 Mechanical Disassembly and Repair Important Preliminary Information The repairs in this section are to be performed by a skilled technician who has experience working on electro-mechanical systems. Furthermore, the technician should be well-versed in standard industrial safety practices and procedures. In the United States of America, electrical safety procedures are established in OSHA's Lockout/Tagout –... -
Page 17: Removing The Sheet Metal Skins
Product Manual SECTION 4 PROTEGE 5442F Removing the Sheet Metal Skins For some of the repairs described in this manual, it is necessary to gain access to the inner components of the lift beyond what is possible with the sheet metal "skins" still on the lift. -
Page 18: Operating Station
Product Manual SECTION 4 PROTEGE 5442F Operating Station The operating stations house the UP/DOWN rocker switches and, on the station inside the platform, the emergency stop button. To test or remove either of these switches, use a Phillips screwdriver to remove the two (2) screws that secure the switch plate to the platform and pull the plate away from the platform. -
Page 19: On/Off Switch
Product Manual SECTION 4 PROTEGE 5442F On/Off Switch The On/Off rocker switch may be set to ‘OFF’ to prevent operation of the lift at the owner’s discretion. The lift will only operate when the switch is set to ‘ON.’ The On/Off rocker switch is located in the right side machinery cabinet across from the motor. - Page 20 Product Manual SECTION 4 PROTEGE 5442F The optical beam must always pass through the area marked with the yellow decal, shown in the figure above. The following procedure can be used if the optical sensor is misaligned: 1. Remove the outer left sheet metal skin to gain access to the height sensor. 2.
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Page 21: Lower Terminal Switch
Product Manual SECTION 4 PROTEGE 5442F Lower Terminal Switch The lower terminal switch notifies the platform that it has reached ground level. It is actuated by the right vertical guide rail when the platform is less than 0.5" above the ground, which allows for the lower platform gate to be opened and makes sure the platform stops properly when it reaches the ground. -
Page 22: Upper Platform Gate Switch
Product Manual SECTION 4 PROTEGE 5442F Upper Platform Gate Switch The upper platform gate switch detects whether the upper platform gate is open or closed. The switch is only visible with the machinery cabinet sheet metal skin on the handle side of the gate removed, and is located on the lift frame about 26" from the platform floor. -
Page 23: Gate Interlock Switch
Product Manual SECTION 4 PROTEGE 5442F Gate Interlock Switch The front (lower landing) gate and optional upper landing gate are each equipped with an interlock switch performs two functions: first, it prevents the lift from operating unless the gate is closed and locked, and second, it prevents the gate from being opened while the lift is in use. - Page 24 Product Manual SECTION 4 PROTEGE 5442F To remove the interlock switch, perform the following steps: 1. Remove the front and rear sheet metal covers on the strike side of the gate. 2. Disconnect the Molex connector that is wired to the interlock switch (front only). 3.
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Page 25: Hydraulic Valves
Product Manual SECTION 4 PROTEGE 5442F 4.10 Hydraulic Valves The hydraulic valves are located inside the right-hand machinery cabinet. It may be necessary to remove the machinery cabinet skins per Section 4.3 to access some of the valves. Refer to the following instructions for adjusting or removing any of the four (4) components located in the manifold. - Page 26 Product Manual SECTION 4 PROTEGE 5442F at the lower landing). Before removing this valve, pull the electrical harness connectors off of the coil terminals. Then use a 7/8" wrench to remove the valve from the manifold. When reinstalling the directional valve, torque it to 18.5-22.0 ft- lbs.
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Page 27: Windows
Product Manual SECTION 4 PROTEGE 5442F 4.11 Windows The windows on the lift are pinched in the channel of a glazing strip which is attached to the lift frame with screws. See the figure below. To remove a window, remove each of the screws attaching the four glazing strips to the lift’s exterior. -
Page 28: Platform Floor Removal
Product Manual SECTION 4 PROTEGE 5442F 4.12 Platform Floor Removal WARNING! Use caution when removing the platform floor, as it is large and weighs approximately 80 pounds. It is recommended that two (2) people remove the floor. The platform floor may need to be removed to service the hydraulic hoses or electrical harnesses running under the platform floor. - Page 29 Product Manual SECTION 4 PROTEGE 5442F To reinstall the floor, perform the above steps in reverse order. 113510 REV D...
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Page 30: Gate Closer Adjustment
Product Manual SECTION 4 PROTEGE 5442F 4.13 Gate Closer Adjustment The gate closers may need to be adjusted if the gates are closing too quickly or too slowly. When the gate closers are properly adjusted, each gate will close in approximately five (5) seconds. - Page 31 Product Manual SECTION 4 PROTEGE 5442F 5. Pull the closer arm until it is fully extended and then allow it to retract fully. In order for the gate to close in five (5) seconds as desired, the closer rod should take approximately seven (7) seconds to fully retract when not attached to the gate.
- Page 32 Product Manual SECTION 4 PROTEGE 5442F The chain closer is located inside of the bottom of the upper platform gate. The chain passes between the gate and the frame, with at least one (1) link of the chain closer held in the chain closer bracket as shown in the figure below. It is not recommended to adjust the chain closer.
- Page 33 Product Manual SECTION 4 PROTEGE 5442F 3. Move the hold-open washer on the hydraulic closer to allow the gate to close slightly, taking all weight off the chain closer. 4. Push the chain upward until the chain moves to the larger portion of the key slot on the chain closer bracket.
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Page 34: Safety Pan Switches
Product Manual SECTION 4 PROTEGE 5442F 4.14 Safety Pan Switches The safety pan assembly is in place to make sure that the area under the platform is clear of obstructions while the platform is descending. The safety pan consists of four (4) main components: the front safety pan, the rear safety pan, and two (2) safety pan bridges. - Page 35 Product Manual SECTION 4 PROTEGE 5442F to raise more than a 1/2" above the ground. If the verification circuit detects a fault, the platform will stop all upward motion. The only way to gain access to all of the safety pan switches is to remove most of the sheet metal skins (see Section 4.3).
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Page 36: Safety Pan Removal
Product Manual SECTION 4 PROTEGE 5442F 4.15 Safety Pan Removal To remove the safety pan, perform the following procedure: 1. Make sure the platform is at ground level and resting securely on its base. 2. Run the platform up to approximately 36" above the ground. It may be necessary to move the upper height optical reflector if the lift stops before reaching 36". - Page 37 Product Manual SECTION 4 PROTEGE 5442F 5. Detach the front safety pan from the lift by loosening the four (4) hex shoulder mounting screws using the same hex key used in Step 3. Set the front safety pan aside. To reattach the safety pan assembly to the platform, reverse the above procedure. After the safety pan has been attached to the platform, confirm that the safety pan slides freely on the shoulder screws.
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Page 38: Electrical Testing
Product Manual SECTION 5 PROTEGE 5442F SECTION 5 Electrical Testing This section contains information that will enable a skilled and experienced electrician to service the lift. The electrical and logic diagrams for the lift are shown on the following pages. In addition to the schematics on the following two (2) pages, you may need to refer to the detailed electrical schematic that was provided with the lift in order to service the lift. - Page 39 Product Manual SECTION 5 PROTEGE 5442F ELECTRICAL DIAGRAM 113510 REV D...
- Page 40 Product Manual SECTION 5 PROTEGE 5442F Figure 2 relay logic RELAY MODULE LOGIC Notes: The logic diagram above does not include any of the timers or more complicated components of the logic circuit. Rather, it only shows the contacts that must be maintained for the platform to run up or down.
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Page 41: Access To The Electrical Panel
Product Manual SECTION 5 PROTEGE 5442F Access to the Electrical Panel The electrical panel can be accessed by removing the right sheet metal cap. Refer to Section 4.3. Refer to the figure below for identification of the major components on the electrical panel. -
Page 42: Testing The Switches
Product Manual SECTION 5 PROTEGE 5442F Testing the Switches Each of the lift's switches can be tested by locating the switch, removing the switch from the lift if necessary, and checking for continuity across the contacts on the back of the switch. -
Page 43: Testing The Smart Relay
Product Manual SECTION 5 PROTEGE 5442F Component Smart Circuit is closed when: Circuit is open when: Relay Contacts Tilt Sensor I5-L Lift is on level ground Lift is out of level Interlock Switch I6-L Interlock is engaged Interlock is disengaged Lower Terminal I7-L Platform is more than 0.5"... -
Page 44: Testing The Power Supply
Product Manual SECTION 5 PROTEGE 5442F Testing the Power Supply The power supply is located on the control panel. See Section 5.1. The AC power must be on to conduct the following tests. If the green LED is illuminated, the unit is supplying 24 VDC. If the LED is not illuminated, check to see that the AC supply is on. - Page 45 Product Manual SECTION 5 PROTEGE 5442F If the voltage drop does not go to approximately 0 VAC, then the power relays are not functioning correctly and either one or both need to be replaced. If the voltage drop does go to approximately 0 VAC but the platform does not move upward, then the motor or motor harness has a fault.
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Page 46: Troubleshooting
Product Manual SECTION 6 PROTEGE 5442F SECTION 6 Troubleshooting The table below presents the necessary information to perform basic troubleshooting on the lift. The numbers in the Section column refer to sections within this manual. For the sake of completeness, many of the items in this table are of a setup and operational nature and are not specifically addressed in this manual. - Page 47 Product Manual SECTION 6 PROTEGE 5442F Problem Possible Cause Remedy Section Platform does Upper height stop reflector is Set the upper height stop not stop positioned incorrectly reflector properly per the automatically at Installation Guide the upper Upper stop sensor beam path is Remove blockage landing blocked...
- Page 48 Product Manual Notes PROTEGE 5442F Notes: 113510 REV D...
- Page 49 Product Manual Notes PROTEGE 5442F Notes: 113510 REV D...
- Page 50 Product Manual Notes PROTEGE 5442F Notes: 113510 REV D...
- Page 52 Printed in the U.S.A. 113510 REV D...
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