III. FOLDOVER RAMP MAINTENANCE WARNING!
Contents
1. 01 el NI SMY 31VNH3LLTV OMY 8 JAY S dlA TIY 2 dglWy0L Nid HOLO3NNOO e NZ 519014 HOLO3NNOO HOS LNAG ay YIATIOALNOD OL AZ SAN ddNS AJYZOOPYL HOSN S NSHM NI LNO HOSN3S NI LNO NIS YATIONLNOS ANNOYS 15 OSN S QAN N S STVNOIS SNLVLS ATIVNYALNI NTOHS LVN YALVAH OL AZ 531199079 LYN H3 1V3H GION310S MOLS SOVONS OL Ave SAlddNS LNO MOLS ino AMIS SNOILONn MOLS 3OVONH OL HATIOH LNOO OL AZ SANddNs LAWILLY MOLS vis QION 1OS did JOYONI OL AZ SINMdaNS edi ind OL LNALNO Aa ino QIONFTOS AO 1d3Q JOVONI OL AZ 531719918 LNO JAYA AO 1daa TnO Ad SNOLLONNA SVSN OL H3TTOH LNOO OL AZ SINMdaNS LAWJLIV AOTd3d Yda AO1S GAMOLS LON dWVY AZ SANddNS HOO TYHALNI 1NI SIVNOIS 1S3NDJA NTOdS TVOla19 QNn0H9 ONO H3MOd S IAOdd LNVLSNOO Ave Avc NOILr1 ITSIQ AOd SINVHOVIG SIHL NI d ST1 S 1 dV 1 40 1SNesi39vi aqna sna LWW 31V3H NOISSIWSNVHI 1d TV O1Va OOV olanv 1SOOTd 1NI 1OIH A 2 w gt 2 I gt 2 2 pa m m SS3NHVH MOIS TOHLINOO HOLIMS Hood SERIES RAMP ELECTRICAL DIAGRAM FR2G 14 FIGURE 3 3 15 eo icon2. Wabtec company 32DFR108 B 4 MAINTENANCE FR2SS SERIES SERVICE MANUAL FEBRUARY 2013 This page intentionally left blank TO TOP PRINT CHAPTER NEXT 16 Ricon 32DFR108 8 4 Wabtec company
3. authorized Ricon dealer or qualified service technician continue maintenance inspections when warranty ends TABLE 3 2 MAINTENANCE SCHEDULE INSPECTION POINT ACTION 6 000 MILE INSPECTION Hydraulic fluid leaks Check all hoses and fittings check fluid level Tighten fill or replace as necessary with Texaco 01554 Aircraft Hydraulic or equivalent U S mil spec H5606G fluid Setscrews Check for loose or missing setscrews at these locations e Driveshaft couplers 2 x 4 ea e Sensor target 1 ea e Pillow blocks 2 x 2 ea Tighten or replace as necessary Drive arm Check for looseness tighten as necessary apply thread locker Loc tite blue as neces T nuts sary Refer to Figure 3 4 for drive arm hardware configuration Ramp interior Check area below floor plate and remove any accumulated dirt or debris for debris 3 2 Ricon 320FR108 8 4 Wabtec company FEBRUARY 2013 FR2SS SERIES SERVICE MANUAL MAINTENANCE TABLE 3 2 MAINTENANCE SCHEDULE INSPECTION POINT ACTION Non slip surface Visually check for damage to surface and for loose or missing non slip material Visually check for illegibility or damage replace as necessary 12 000 MILE INSPECTION Check wiring insulation for heavy abrasions and connectors for looseness Replace as necessary Wiring harnesses Fasteners Check all threaded fasteners for tightness and
4. 5 5 SERVICE MANUAL FEBRUARY 2013 OMY 20 vZ 033 3 13 Q3HIO3dS SMa HLO SSIINN OMY 81 SIYM TV 1 OMY PANDITI 1509 WNIWH3L Q30v3NHL 7 IV NOILdO SNOLLYONddY AZI YO4 JINVIYE 1939 vos ISN V 99 ga on 8 IYW dd1IV H 3 015 ATINA dNv ONY 035070 S 000 9 IOIHA NAOHS SAY 3M ONY S3HOLIMS TIY E o z 8 8 lt A A a 2 81 3 i 8 2 k 2 X lt E dez _ gt 3958 2954 a ASSY dWAd ONNAVYCAH tcl IONOS spo spo A RcB52 5 Cc 0 2 lt SOLOW SOOO dina KY H AVTIBY NOISSIASNVYML 131 a JALLVOIN HOlv331300v oany 901NINI SXOOTH3INI E gt LHM A 1 ee 01 035 diyan JanbZ vg a 1 t T z A z a gt P 8 7 lt S 3 Kak m N89 3 OQA 47 o TI 0193NNOO INYA SANAY y g caL FIVIYIINI E a IVNOLLO3MIO AS ELEME ld Lu 5nnyQAH on 1 1 NI dION3108 dwna Na9 5
5. ERVICE MANUAL FEBRUARY 2013 B DAILY INSPECTION Check ramp daily following the Daily Inspection outlined in Table 3 1 Meet all inspection criteria before allowing pas sengers on ramp TABLE 3 1 DAILY INSPECTION Ramp controller s Power ON OFF switch operates correctly e Power On indicator illuminates when Power ON OFF switch is ON s DEPLOY and STOW switches operate correctly e No unusual noises or erratic movements when ramp is deploying or stowing Ramp and Vestibule area is free of loose objects actuator drive arms and trim pockets are surrounding area free of debris Ramp non slip Surface is clean and free of slippery or sticky substances that could compro surfaces mise user safety e Surface is intact and secure and loose edges if present cannot create a stumbling hazard END OF TABLE C MAINTENANCE SCHEDULE Regular maintenance and inspection of the Ricon FoldOver ramp provides optimum performance and reduces the need for repairs Maintain the ramp as directed in Table 3 2 Perform ramp maintenance more frequently during heavy use more than 20 cycles per day N CAUTION This Ricon Product Is Complex Required warranty period maintenance and repairs must be done at a Ricon authorized dealer or qualified service technician Improper maintenance use of non Ricon replacement parts or product modification will void warranty and can result in unsafe operating conditions We recommend that an
6. FA NO B M Yd 8 01d3 BI MOLVOIONI e H 980 9YO MOOTMILNI 1ndNI IMYA A07143G gt 18 c QFY MOLS a LHM LHM 93N L ao193NNoo N S53NdyH SNE T SINN HOLINS e ron X18 9Mv NOWWOO FIDA Sd RM HOLIMS ouNo o NT NONWO2 H8 anv PD j 9 ds LON 7 L a Q3SN LON 2 an 1ndNI 3LNNOO XAY NMB E gn YINOUYLNOD 5 1ndLnO MOLS O9INOMIO3 13 43A00704 55444 A8 43qung SAB 32DFR108 B 4 FEBRUARY 2013 FR2SS SERIES SERVICE MANUAL MAINTENANCE RAMP CONTROL DEPLOY fi STOW CTROUT DOOR SWITCH INTERLOCK INTNEG ina RED 2 CONTROLLER DV QUT STWV OUT GND OUT ORG 3 1 BLK 2 WHT 3 RED 4 GRN BLK 4 RAMP HARNESS RAMP HARNESS 2 4 lt 3 a R 1 1 2 SEN 24V SEN GND SEN 24V MP 5 oz zo SENSOR DEPLOY VEHICLE NTERLOCKS AUDIO ACCELERATOR ALERT TRANSMISSION BRAKES DOORS PROVIDED BY BUS BUILDER LABELS e LIST OF LABELS USED IN THIS DIAGRAM POWER DISTRIBUTION 24V 24 CONSTANT e PROVIDES POWER FOR RAMP RED GND GROUNDe ELECTRICAL GROUND REQUEST SIGNALS RAMP ELECTRICAL SYSTEM INT NEG INTERLOCK e SUPPLIES NO SIGNAL RAMP NOT STOWED GROUND RAMP STOWED INT INTERLOCK e SUPPLIES 24V RAM
7. FEBRUARY 2013 TABLE OF CONTENTS FR2SS SERIES SERVICE MANUAL MAINTENANCE FOLDOVER RAMP MAINTENANCE cess ramp when installed in transit vehicles The information consists of safety precautions a maintenance T he maintenance information in this chapter applies to the Ricon FoldOver Stainless Steel Low Floor Vehicle Ac schedule component information and diagrams for the hydraulic and electrical systems This chapter is intend ed to supplement related sections of the vehicle manufacturer Owner and Service Manuals A GENERAL SAFETY PRECAUTIONS 32DFR108 B 4 WARNING THIS RAMP IS DRIVEN WITH HYDRAULIC PRESSURE GENERATED BY A HYDRAULIC PUMP SYSTEM THE FLUID IS HIGHLY PRESSURIZED AND POSSIBLY VERY HOT USE EXTREME CAUTION WHEN DOING MAINTENANCE AND REPAIRS DO NOT DISCONNECT HOSES OR FITTINGS WHEN RAMP IS IN MOTION Follow these safety precautions during service of the Ricon FoldOver ramp Under no circumstances is maintenance repair or adjustment of the FoldOver ramp to be performed without the presence of an individual capable of giving aid Give immediate attention to all injuries and administer first aid or seek medical attention as necessary Protective eye shields and clothing should be worn during maintenance repair and adjustment of the FoldOver ramp The user must be cautious when operating the ramp Be certain that hands feet legs and clothing are not in the p
8. P NOT STOWED 0V RAMP STOWED DPA DEPLOY ATTEMPT e SUPPLIES 24V TO CONTROLLER TO ENGAGE DEPLOY FUNCTIONS DV OUT DEPLOY VALVE OUT e SUPPLIES 24V TO ENGAGE DEPLOY SOLENOID OUT DV OUTPUT TO PUMP eSUPPLIES 24V TO ENGAGE PUMP SOLENOID STA STOW ATTEMPT e SUPPLIES 24V TO CONTROLLER TO ENGAGE STOW FUNCTIONS STWV OUT STOW VALVE OUT e SUPPLIES 24V TO ENGAGE STOW SOLENOID HMT HEATER MAT e SUPPLIES 24V TO HEATER MAT GROUNDED INTERNALLY FLS FLUID SENSOR SUPPLIES 24V TO FLUID LEVEL SENSOR FLS OUT FLUID SENSOR OUT e SUPPLIES 24V FLUID LEVEL LOW 0V FLUID LEVEL OK STATUS SIGNALS SEN GND SENSOR GROUND e CONSTANT GROUND FROM CONTROLLER SEN OUT IN SENSOR OUT IN e WHEN SENSOR TRIGGERED SUPPLIES 24V TO CONTROLLER LAN P e PLUG DEUTSCH CONNECTOR P N DTO6e08S ING RECEPTACLE DEUTSCH CONNECTOR P N DTO4e08P 2 ALL WIRES ARE 18 AWG ALTERNATE AWG IN le 10 1 AMP DRAW 24V 25 DEPLOY OR STOW NOTES UNLESS OTHERWISE SPECIFIED PUMP CONTROL RELAY VF4 FLUID LEVEL SENSOR PUMP ASSEMBLY SOLENOID FR2N SERIES RAMP ELECTRICAL DIAGRAM FIGURE 3 13 32DFR108 B 4 eo icon Wabtec company 3 14 MAINTENANCE FR2SS SERIES SERVICE MANUAL FEBRUARY 2013 GION310S dna AOTd Q IS m A T8W3SSV dANd Av ad OS1NO dnd WALSAS TVOla19 1 100 AMLS INO A5 Ave NAS EEE YATIOULNOD Ave NAS 21312385 SIWH H1O SS 1N1 SILON MOLS YO AOTd sz tAv
9. S DEPLOY STOW ANGLE LIGHT LIGHT INTERLOCK OUTPUT A OFF OFF 24VDC B ON OF D OFF ON 0VDC End of Table 5 CIRCUIT BREAKERS AND FUSES The bus builder installs a 50 amp circuit breaker for 24V applications or a 90 amp circuit breaker for 12V applica tions to protect ramp control circuits Two fuses protect the controller and are located inside its sealed enclosure Please refer to Figure 3 2 for their lo cations The fuses must be replaced by a Ricon authorized dealer or qualified service technician The hydraulic pump assembly contains an 8 amp circuit breaker to protect components within the hydraulic pump assembly 6 RAMP ARM ASSEMBLY Please refer to Figure 3 6 for the correct configuration of the arms and their hardware Use a spanner wrench Ricon p n 36250 to tighten the T nuts that bolt the ramp arms and hardware together Apply a small amount of threadlocker Loctite blue to T nuts before assembling hardware SPANNER RIGHT SIDE WRENCH p gt s ce DRIVE E DRIVEN ARM Pyme ey THRUST WASHER iac BUSHING L _ SIDE BARRIER RSM0008600 FIGURE 3 6 HARDWARE CONFIGURATION FOR RIGHT SIDE RAMP ARM 320 108 4 3 7 A Wabtec company MAINTENANCE FR2SS SERIES SERVICE MANUAL FEBRUARY 2013 E ELECTRICAL AND HYDRAULIC DIAGRAMS Refer to Table 3 6 for wire color codes used on schematic Refer to Figure 3 7 for a de
10. W CONTROL VALVE VALVE DIRECTIONAL PRESSURE RELIEF VALVE d38 d38 WHT GEAR PUMP 3 0 VDC PUMP MOTOR RESERVOIR FIGURE 3 9 NO HYDRAULIC FLOW AT REST 32DFR108 B 4 v icon AWabtec company 3 10 MAINTENANCE 255 5 5 SERVICE MANUAL FEBRUARY 2013 OdA 72 3AVA 10 1 T1 29 18 LHM ASSV dINNd YIOAYISIUY asa Y dV 59 i YOLOW OdA C 1 p 3 1 is junss3ud VNOILO3MIG 01d YOLVNLOV AYVLOY beret bo9 A VA TOYLNOD MO 14 FIGURE 3 10 HYDRAULIC FLUID FLOW DURING DEPLOY MOTION 3 11 v icon AWabtec company 32DFR108 B 4 FEBRUARY 2013 255 5 5 SERVICE MANUAL MAINTENANCE ROTARY AGTUATOR FLOW CONTROL WHT BLK 24 VDC PRESSURE L_ __J PM DIRECTIONAL RELIEF 1 VALVE VALVE A 1 Bex e Tn STOW X 24 VDC is m PUMP MOTOR CONTROL VALVE GEAR i PUMP o 4 RESERVOIR FIGURE 3 11 HYDRAULIC FLUID FLOW DURING STOW MOTION 32DFR108 B 4 v icon Wabtec company 3 12 MAINTENANCE 255
11. ath of ramp movement Batteries contain acid that can burn Wear protective clothing and eye protection at all times If acid comes in contact with skin immediately flush affected area with water and wash with soap Do not place anything electrically conductive on top of battery Do not smoke or use an open flame near battery Work in a properly ventilated area Read and understand all instructions before attempting to operate the FoldOver ramp Inspect the ramp before use for unsafe conditions unusual noises or erratic movements Do not use ramp if any of these are present and arrange to have an authorized Ricon dealer or qualified service technician inspect ramp Keep others clear of the ramp while it is operating Ricon strongly recommends that the vehicle be parked on level ground when using ramp Using the ramp when vehicle is sloped may result in a ramp angle that is too steep for safe use In addition the sloped vehicle may not allow the ramp to make complete contact with the ground The FoldOver ramp and other system components require periodic maintenance Ricon recommends a thorough vehicle inspection by an authorized Ricon dealer or qualified service technician at least once every six months To maximize safety the ramp and related components should be maintained at their highest level of performance Read and comply with warning labels attached to ramp 3 1 A Wabtec company MAINTENANCE FR2SS SERIES S
12. d Ground on em Output to hydraulic pump relay 24 volts STOW DEPLOY function en gaged Output signal to auxiliary counter of 24V pulse each stow cycle Not used n END OF TABLE 32DFR108 B 4 3 5 A Wabtec company MAINTENANCE FHR2SS SERIES SERVICE MANUAL FEBRUARY 2013 45 J1 J2 J3 J4 1 BROWN 1 WHITE 1 BROWN 1 BROWN 1 BLACK 2 NOT USED 2 RED 2 NOT USED 2 NOT USED 2 WHITE 3 NOT USED 5 GREEN 5 BLUE 3 BLUE 3 RED 4 BLACK 4 ORANGE 4 BLACK 4 BLACK 4 GREEN 5 BLACK 6 BLUE MALE CONNECTORS ON CONTROLLER FEMALE CONNECTORS ON HARNESS P2 RSM0008300 FIGURE 3 3 CONTROLLER CONNECTOR PIN NUMBERING NOTE Some applications require 12 VDC system power Voltage levels are 12 volts in these applications 4 SENSOR LIGHT ACTIVITY DURING RAMP MOVEMENT The latest FoldOver ramps have a third ramp position that is monitored by the controller This position is very near the to the fully stowed position The ramp must be within this area before the electrical interlock output signal will turn on 12VDC This is done to reduce the possibility of a passenger tripping on the front edge of the ramp when it is not stowed competely Failure to stow completely could be caused by accu
13. es at the corners of enclosure Note fuse location at top right corner Refer to Table 3 3 for functions and ratings of fuses located inside controller Access to the con troller is gained by removing bottom cover from ramp Reseal the cover with silicone rubber before reinstalling Refer to Figure 3 3 for connector pin numbering and wire colors Refer to Table 3 4 for a signal description of each connector pin Refer to Section 4 for a description of sensor light activity during ramp movement LED RSM0008200 FIGURE 3 1 CONTROLLER TABLE 3 3 CONTROLLER FUSES FUSE RATING CIRCUIT 7 5 AMP Main Power Programmable Controller Solenoid Valves Sensors END OF TABLE d SS Ricon 32DFR108 B 4 A Wabtec company FEBRUARY 2013 FR2SS SERIES SERVICE MANUAL MAINTENANCE TABLE 3 4 CONNECTOR PIN DESCRIPTIONS FOR CONTROLLER coron FUNCTION ATREST waemow 3 Red STOW request rom control swich 0 volts 24 vots STOW switch activated s DEPLOY request from control 24 volts DEPLOY switch activated switch 6 Bue 24 vots o coniroler gonstani 24vts 1 Bom Ponerio soneasensor aum _ Be oe ll 4 Back Stowedsensorconrolerinput 0 vots sensor of 24 vols whensensorisachvated 1 Brown Power to deploy sensor avos lawouseg P s me Ground on lt Back Deployed sensor controler input o vots 24volts when sensor is activate
14. is one valve for ramp deployment and one for stowing Turning the valves counterclockwise increases the rate of ramp movement and clockwise decreases the rate of ramp movement The typical adjustment range for each valve is between to 1 turn open CCW from fully closed fully CW Refer to Installation Notes in Chapter II for a flow control valve adjustment procedure S2DFR108 8 4 3 3 A Wabtec company MAINTENANCE FR2SS SERIES SERVICE MANUAL FEBRUARY 2013 3 ELECTRONIC CONTROLLER The electronic controller interprets DEPLOY and STOW requests and controls ramp functions It contains a pro grammable integrated circuit IC relays two fuses and associated parts The programmable IC cannot be ac cessed externally The ramp harness which is connected to controller connector J1 supplies system power in ad dition to STOW and DEPLOY requests Connector J1 also provides positive and negative interlock signals Con nectors J2 and J3 receive signal inputs from the RAMP STOWED and RAMP DEPLOYED sensors respectively Connector J4 provides directional control signals to the hydraulic pump Connector J5 provides a timing signal to the auxiliary counter Refer to Figure 3 1 for locations of J1 J2 J3 J4 and J5 connectors The controller cover is sealed with silicone rubber and is not easily removed Note the four mounting hol
15. mulated debris beneath the ramp within the frame The following information will provide an aide to troubleshoot ramp problems using the indicator lights on each sensor Refer to Figure 3 4 This illustration shows the location of the target installed on a driveshaft the stow and deploy sensors and the sensor lighis DEPLOY SEGMENT DEPLOY SENSOR STOW SEGMENT SENSOR LIGHTS STOW SENSOR SENSOR TARGET RSM0008400 FIGURE 3 4 TARGET AND SENSOR LOCATIONS Refer to Figure 3 5 This illustration shows the four ramp positions detected by the controller The controller de termines the ramp angles shown by using the signals from the two sensors The A ramp angle shown in the figure is greater than actual for clarity the actual height of the front edge of the ramp above the floor is about one inch This angle can be adjusted by turning the sensor target very slightly 3 6 e n n n n n enn W Ricon 320FR108 8 4 AWabtec company FEBRUARY 2013 FR2SS SERIES SERVICE MANUAL MAINTENANCE C VEHICLE FLOOR RSM0008500 FIGURE 3 5 RAMP POSITIONS Refer to Table 3 5 The status of the sensor lights on or off and the interlock output 0VDC or 12VDC occur over the entire range of each angle shown Note that the interlock output has both a normal and an inverted output This table applies to the normal output TABLE 3 5 SENSOR LIGHT AND INTERLOCK OUTPUT STATU
16. pany FEBRUARY 2013 24 VDC COUNTER DEPLOY DEPLOY VALVE INPUT COM COMMON HEATER MAT INTERLOCK INTERLOCK NEG PUMP SOLENOID INPUT SENSOR GROUND STOW SENSOR OUTPUT STOW VALVE INPUT VEHICLE AUDIO ALERT 255 5 5 SERVICE MANUAL MAINTENANCE TABLE 3 7 WIRING DIAGRAM LABELS DESCRIPTION System power for interlocks hydraulic valves controller and sensors NOTE Some ap plications require 12 VDC system power Signal pulse to auxiliary counter generated by STOW function Signal to controller to request DEPLOY function Signal opens deploy valve System electrical common Power to ramp heater mat NOTE This feature is optional and may not be connected Signal to vehicle interlock circuit when ramp is fully stowed 24V when ramp is stowed signal is generated by the electronic controller Electrical ground common for vehicle interlock systems when ramp stowed open when ramp is deployed Signal actuates pump solenoid Constant ground from coniroller Signal to controller to request STOW function Signal generated when either ihe STOWED or DEPLOYED sensor is triggered Signal opens stow valve Signal to audible alarm NOTE This feature is optional and may not be connected END OF TABLE 32DFR108 B 4 Ricon AWabtec company FEBRUARY 2013 255 5 5 SERVICE MANUAL MAINTENANCE ROTARY ACTUATOR FLOW CONTROL VALVE e r c2 FLO
17. retighten as necessary Non slip Check non slip surface for excessive wear or damage rips tears peeling etc and re surfaces place as necessary 24 000 MILE INSPECTION Lightly grease pillow blocks Pillow blocks are sealed lubricate through grease fitting Pillow blocks Bushing amp thrust wash Refer to Figure 3 4 Check these hardware parts for excessive play and replace if nec er essary END OF TABLE D RAMP COMPONENT INFORMATION The Ricon FoldOver Ramp uses electrical power from the host vehicle to deploy and stow the ramp Vehicle electrical power is converted to hydraulic force which is used to move the ramp Electrical and hydraulic components are de scribed below Please refer to Figures 3 7 3 8 and 3 9 for hydraulic schematics and flow diagrams 1 HYDRAULIC PUMP The ramp employs an electro hydraulic pump contained within the ramp enclosure to pressurize hydraulic fluid Pressure is regulated in the pump body and is preset at Ricon The hydraulic pump provides pressure to the rotary hydraulic actuator when either the DEPLOY or STOW switch is activated Ricon recommends operating the ramp while the vehicle engine is running in order to minimize current drain on the vehicle battery 2 FLOW CONTROL VALVES Two manually adjusted flow control valves needle valves control the volume of hydraulic fluid passing through the rotary actuator Their adjustment determines the rate of ramp movement There
18. scription of plug and receptacle designations used on schematic Refer to Figure 3 8 for a list of symbols used on schematic Refer to Table 3 7 for an explanation of labels used on schematic Refer to Figures 3 9 3 10 and 3 11 for diagrams of the ramp hydraulic sys tem in its inactive deploy and stow modes The diagrams show the direction and path of fluid flow and valve posi tions The diagrams are located on the following pages Refer to Figure 3 12 for an overall electrical schematic of the ramp system including that portion supplied by the bus builder The electrical schematic is located at the end of this chapter TABLE 3 6 WIRE COLOR CODES CODE COLOR CODE COLOR WHITE YELLOW END OF TABLE RECEPTACLE PLUG R P RSM0008700 FIGURE 3 7 CONNECTOR CONFIGURATION WIRE CROSSINGS SWITCH RELAY TERMINALS COMMON T y NORMALLY NOT CONNECTED CLOSED CONNECTED Gat TOGGLE LIMIT BATTERY RELAY OPEN eer PUMP SOLENOID SWITCH SWITCH POWER SOURCE AN CONNECTORS 5A FI A Jl NM PROXIMITY CIRCUIT FUSE PUSHBUTTON COMMON DIODE PUMP MOTOR SENSOR BREAKER AMPERAGE SWITCH AMPERAGE INDICATED INDICATED P R P PLUG R RECEPTACLE RSM0008800 FIGURE 3 8 SCHEMATIC SYMBOLS 3 8 Ricon 2DFR108 B 4 Wabtec com
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