ERV-750 Extended Reach Valve Operator
Contents
1. i 71 771777 2 71 pn pon 5 D 702 DR DD 5 for 30 9007552 6 WASHER LOCK 37710 680 OD 094 w 5 1 pesce rne 33 7904200 1 PN ARM RETAINING QUICK RELEASE 34 790840 1 U BOLT PEDESTAL BRACKET MOUNTING u morcs 2 5 enm 4 11460 1 SENSOR RETAINING a 17777 wir 6 4 34 79 01 3 0409 Wachs Chapter 5 Parts List and Ordering Information Parts Lists and Drawings Mechanical Assembly Exploded View E H Wachs Part No 79 01 Rev 3 0409 35 ERV 750 Extended Reach Valve Operator Wiring Pe lt SHIH 122797 Tries gt YIWASNVSL 38755384 00 120 64 N d 1504 00 60E 64 N d 130123NND2 00 606 64 N d Wachs Part No 79 01 Rev 3 0409 36 Chapter 5 Parts List and Ordering Information Parts Lists and Drawings Hydraulics OSZ Ada SONNVAGAH 0001 X91 SZE SOHH 4 88 A19W3SSY ISOH vor 2 6 ALS 06 14 8 01 Baldvav 5 1090006 e 334 184355 1 602016 5 Yaldvav 2 10901 47 9 19 88006 6 118 4355 Onnv2. Wachs 600 Knightsbridge Parkway Lincolnshire IL 60069 www ehwachs com ERV 750 Extended Reach Valve Operator User s Manual E H Wachs Part No 79 MAN 01 Rev 3 0409 April 2009 Revision History Original January 2008 Rev 1 February 2008 Rev 2 December 2008 Rev 3 April 2009 Copyright 2009 E H Wachs All rights reserved This manual may not be reproduced in whole or in part without the written consent of E H Wachs 750 Extended Reach Valve Operator Part No 79 MAN 01 Rev 3 0409 E H Wachs Table of Contents Table of Contents Chapter 1 About the ERV 750 y Se ob debe eee PERERA ERAN E ERR CON COR REE RS 1 Purpose ecu EISE ULIS e n 1 Howto Use The Manual pe RE ede aes ID iun 1 Symbols and Warnings aa epo Ee ree ee be RR Ede era 1 Manual Updates and Revision Tracking 3 Equipment Description E 3 Specifications os Doo FERREA EP URS uber VOU E 3 System Components 55222 ARE Gu EA REESE LII 4 Operation OVerview See es 6 Connecting the Controller 222 Lu re aS 8 Installing the ERV 750 on Existing Equipment
3. 26 Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 4 Maintenance Chapter 4 Maintenance In This Chapter LUBRICATION LUBRICATION Every 10 hours of operation add a chain lubricant to the drive head 1 Remove the grease plug in the head Figure 4 1 Remove the grease plug to lubricate the drive head 2 Power on the ERV 750 and turn on the drive motion 3 While the head is turning spray a lubricant such as Dow Corning 1122 Chain and Open Gear Grease into the head through the grease opening E H Wachs Part No 79 01 Rev 3 0409 27 ERV 750 Extended Reach Valve Operator 4 Apply the spray lubricant for one full revolution of the key Shut off the ERV 750 and replace the grease plug 28 Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 5 Parts List and Ordering Information Chapter 5 Parts List and Ordering Information ORDERING INFORMATION To place an order request service or get more detailed information on any E H Wachs products call us at one of the following numbers US 800 323 8185 International 847 537 8800 Or visit our website at www ehwachs com Ordering Replacement Parts When ordering parts refer to the parts lists and exploded view drawings in this chapter Please provide the part description and part number for all parts you are ordering Always note your machine model number when ordering Repair Information Please call us for
4. pedestal 1 6 0 Arm latch Figure 1 12 The drawing shows the top view layout for mounting the ERV 750 on a vehicle 4 Remove the ERV 750 and drill the four hole locations using a 5 8 drill 5 Measure the locations for the two holes for the arm latch as shown in Figure 1 12 Drill the two holes using a 3 8 drill 6 Assemble the two mounting brackets and the mount ing spacer as shown in Figure 1 13 E H Wachs Part No 79 01 Rev 3 0409 11 ERV 750 Extended Reach Valve Operator Y N Figure 1 13 Attach the two mounting brackets 2 to the mounting spacer 1 using the two 1 2 13 x 4 5 HHCS 9 provided with the mounting kit 7 Set the ERV 750 base in place and insert the four 1 2 13 x 2 25 HHCS through the pedestal and the drilled holes 8 Position the mounting bracket assembly under the vehicle bed so that the four bolts go through the holes in the mounting brackets as shown in Figure 1 14 Figure 1 14 Insert the four 1 2 13 2 25 HHCS 10 through the ERV 750 pedestal the vehicle deck and then through the holes in the mounting bracket assembly 0 Attach the washers and nuts and tighten them securely 12 Part No 79 01 Rev 3 0409 E H Wachs Chapter 1 About the ERV 750 Installing the ERV 750 on Existing Equipment 10 Install the arm latch at the location illustrated above in Figur
5. aS zx 2 NX 5 v 2 22 45 ecc ri TUN 2 Figure 1 1 photo shows the ERV 750 mounted on the Wachs Swivel Vac trailer Head Valve key Telescoping Lower Upper Pedestal adapter extension arm arm arm mount PaO RAS VER EL d ONY PEE Pe Figure 1 2 The photo illustrates the components of the ERV 750 4 Part No 79 01 Rev 3 0409 E H Wachs Chapter 1 About the ERV 750 Equipment Description Control Hydraulic connector motor Torque Displays current operating torque Touch to change torque limit Highest Displays aximum torque during current activity Count Displays valve rota tions during current activity START STOP Touch to start or stop the valve exer ciser Displays STOP if the exerciser is operating Back Touch to return to Vitals Mobile program Reset Touch to start a new activity Positioning Control handle pendant Vitals Mobile Limit Displays current torque pa limit Touch to change torque limit Direction Displays current turn ing direction Touch to set turning direction ss Mode Displays current operat ing mode Exercise or Manual Touch to change mode Jog LH Touch and hold to jog left hand counter clockwise Jog RH Touch and hold to jog right hand clock
6. 9 Hydraulic Requirements 225 ex os ee ei SEEN Pee ae ee DER 9 Installation Instructions 21 4 4 10 Installation Troubleshooting Tips 13 Chapter 2 Safety 3o over Xa Eb o ete RO exem C ode ROC CR ES 15 Operator Safety eost ra Nose ee PHA be ev paco tac Pire be oe lcu gae in edes 15 Safety LAT ec UE Lo M Ee Pot 16 Protective Equipment Requirements 17 Chapter 3 Operating Instructions 19 setting Up the Valve Operatori ie eu RO IK eI RTL eri 19 Performing the Valve Operation Pu dnd Evae ud d eg 22 Starting the Vitals Data Logging Program 23 Running the Wachs Controller Program 24 Chapter 4 Maintenance Ex EUR RUE OE SRE OR 27 1 CSI dex 27 Chapter 5 Parts List and Ordering 29 Ordering Information soos eie re Det iM Soest ER EG a es 29 Ordering Replacement Parts 29 Repair Information oes cene ree eee nee dE 5 29 Watranty
7. an authorization number before returning any equipment for repair or factory service We will advise you of shipping and handling When you send the equip ment please include the following information e Your name company name e Your address In This Chapter ORDERING INFORMATION LAYOUT DRAWING PARTS LISTS AND DRAWINGS E H Wachs Part No 79 01 Rev 3 0409 29 ERV 750 Extended Reach Valve Operator e Your phone number A description of the problem or the work to be done Before we perform any repair we will estimate the work and inform you of the cost and the time required to com plete it Warranty Information Enclosed with the manual is a warranty card Please fill out the registration card and return to E H Wachs Retain the owner s registration record and warranty card for your information Return Goods Address Return equipment for repair to the following address E H Wachs 600 Knightsbridge Parkway Lincolnshire Illinois 60069 USA LAYOUT DRAWING The following drawing illustrates the layout and dimensions of the ERV 750 system 30 Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 5 Parts List and Ordering Information Layout Drawing 4 21025 Clearance Required gt E H 52 au IN br Wachs Part 79 01 Rev 3 0409 31 ERV 750 Extended Reach Valve Op
8. noises and resonant struc tures can increase the noise level in the area For additional information on hearing protection refer to Federal OSHA regulations 29 Code of Federal Regulations Section 1910 95 Occupational Noise Exposure and ANSI 512 6 Hearing Protectors E H Wachs 79 01 ERV 750 Extended Reach Valve Operator 18 79 MAN 01 E H Wachs Chapter 3 Operating Instructions Chapter 3 Operating Instructions In This Chapter SETTING UP THE VALVE OPERATOR SETTING UP THE VALVE OPERATOR PERFORMING THE VALVE The ERV 750 can be use at any orientation from the vehi OPERATION cle Follow all safety guidelines for parking and positioning the vehicle to perform a valve operation 1 Park the Swivel Vac trailer or vehicle within reach of the ERV 750 arm The arm reaches 11 feet to the right side of the trailer and 9 feet to the left side 2 Startthe engine and enable power to the ERV 750 3 Unfasten the latches that hold the ERV arm to the trailer or vehicle Figure 3 1 Release the two latches that secure the ERV 750 arm to the trailer E H Wachs Part No 79 01 Rev 3 0409 19 ERV 750 Extended Reach Valve Operator NOTE The head does not 2 fectly positioned over the valve The valve key attach ment swivels to allow off cen ter operation 4 Hold the positioning handle on the ERV 750 head and press down on the brake rele
9. 750 on your truck or trailer An NOTE installation kit part number 79 401 00 is provided 2 A parts list for the installation kit is included in Chapter 5 Hydraulic Requirements Hydraulic system parameters are critical to the proper oper ation of the ERV 750 It must be operated by a hydraulic system with the correct performance e driven hydraulic pumps often can deliver pressures and flows that exceed those required for the ERV 750 This can result in malfunctions and premature compo nent failure A hydraulic system with insufficient flow or pressure will result in poor performance or logic errors The ERV 750 requires the following hydraulic parameters Operating Pressure 1500 1800 psi Return Line Pressure 110 psi max E H Wachs Part No 79 MAN 01 Rev 3 0409 9 ERV 750 Extended Reach Valve Operator NOTE Flows greater than 23 10 require the use of a pressure compen sated flow control valve such as Prince model RD 100 Excess flow must be ported back to the reservoir Hydraulic Flow 6 10 gallons per minute Oil Viscosity ISO Grade 32 or equal Mobil DTE 24 or equal System return line pressure must be kept as low as possible Excessive return line pressure will prevent release of the ERV 750 brakes If the return hose length for the ERV 750 exceeds four feet it is recommended that 12 3 4 larger hose is used Installation Instructions IMPORTANT The bed or deck of
10. Direction set to 2 Ifyou know the direction the valve needs to be turned The valve exercising program touch the Direction button until either LH left hand or will attempt to determine the RH right hand is displayed freely turning direction 3 Press the Start button The button will turn red and will display Stop Press the button again if you need to stop the valve operation 4 The ERV 750 head will turn the valve until the torque limit is reached 5 When the torque limit is reached the head will stop and the controller will increment the limit up by 50 Ib ft The head will reverse and turn until it reaches the new limit 6 Once the ERV finds the free direction of rotation it will turn the valve all the way to the end of travel It will stop when the torque limit is reached 7 do not want the ERV 750 to exceed a certain torque for example if you know the valve may be E H Wachs Part No 79 01 Rev 3 0409 25 ERV 750 Extended Reach Valve Operator damaged by a high torque touch the Mode button to change the mode to MAN manual You will then have to set the direction and manually reverse the direction and increase the torque limit 8 When the valve operation is complete you can touch the Back button to return to the Vitals Mobile program if you are logging data 0 Ifyouare not logging data you can touch the Reset button to clear the screen to start another valve opera tion
11. Information pear Lut ee A LA dd Takin SD E 30 Return Goods Address ce c 0sea ct ER 30 Ldvout DraWIBE ios NE USE ee ebbe edu 30 E H Wachs Part No 79 01 Rev 3 0409 1 750 Extended Reach Valve Operator Parts Lists and Drawings Pek 32 Head Assembly 0 444 00 ea V Nes s vex eee ACC PS 32 Assembly Lis ado d s ute 34 Wille BEE a 36 0 5 37 Installation Kit lt gt 56 RU d 38 79 01 3 0409 Wachs Chapter 1 About the ERV 750 Chapter 1 About the ERV 750 PURPOSE OF THIS MANUAL This manual explains how to operate and maintain the ERV 750 extended reach valve operator It includes instruc tions for set up operation and maintenance It also con tains parts lists and diagrams to help you order replacement parts and perform user serviceable repairs How USE THE MANUAL This manual is organized to help you quickly find the infor mation you need Each chapter describes a specific topic on using or maintaining the equipment Each page is designed with two c
12. ase button Figure 3 2 Hold down the brake release button to move the ERV 750 arm 5 While holding the brake release button move the ERV head over the valve loosen the locking knob and pull out the locking pin on the lower arm to pull out the arm exten sion Figure 3 3 To extend the arm A loosen the locking knob B pull out the locking pin and C pull the extension out When you have the extension at the desired position tighten the locking knob A 20 Part No 79 01 Rev 3 0409 E H Wachs Chapter 3 Operating Instructions Setting Up the Valve Operator 7 When the head is in position release the brake release button If the extension arm is extended tighten the locking knob on the lower arm 8 Insertthe valve key adapter through the bottom of the head Figure 3 4 Insert the valve key adapter up through the bottom of the head 0 Ifdesired insert the bolt through the hole in the valve key adapter and attach the nut to secure the adapter in the head Figure 3 5 Put the bolt through the top of the valve key adapter and screw on the nut to secure it E H Wachs Part No 79 01 Rev 3 0409 21 ERV 750 Extended Reach Valve Operator Add the extension for the depth of the valve to the valve key if necessary NOTE 10 Adjust the telescoping valve key to the length needed Locking pin om Pull top of key to extend
13. cking knob to secure it When you pull the extension out to the end of travel the locking pin will snap into the hole at the end of the extension Figure 1 7 To extend the arm A loosen the locking knob B pull out the locking pin and C pull the extension out When you have the extension at the desired position tighten the locking knob A To operate the ERV 750 remove the controller from its storage cradle NOTE holes in the arm extension for the locking pin one at each end Do not hold the pin when you are sliding the extension out The pin snaps into the hole to prevent the extension from coming all the way out of the arm E H Wachs Part No 79 MAN O1 Rev 3 0409 ERV 750 Extended Reach Valve Operator Connecting the Controller The ERV 750 controller is connected to the machine with a specialized cable Serial connector to controller Power connector to ERV controller Power connector Serial connector USB connector for data transfer Figure 1 9 The ERV 750 controller connections are shown Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 1 About the ERV 750 Installing the ERV 750 on Existing Equipment Figure 1 10 To connect the controller cable to the ERV 750 head unscrew the connector cap and then screw on the cable connector INSTALLING THE ERV 750 ON EXISTING EQUIPMENT You can install the ERV
14. ction On the controller touch screen press the Start menu button and then press Vitals Mobile to start the pro gram The Vitals Mobile startup screen appears E H Wachs Part No 79 01 Rev 3 0409 23 ERV 750 Extended Reach Valve Operator Exit 2008 Wachs Company Figure 3 9 From the Vitals Mobile startup screen you can start a new activity list saved activities or review and change program settings To start a new valve exercising activity touch the New Activity button You will be prompted to select an existing valve or enter a new valve Refer to the Vitals Reference Man ual for detailed instructions on using the Vitals Mobile software Once you have selected or entered the required valve information refer to the next section to use the valve exerciser controller program Running the Wachs Controller Program Refer to the Vitals Reference Manual for detailed instruc tions on using the Vitals Mobile software 24 Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 3 Operating Instructions Performing the Valve Operation Vitals Mobile Torque Figure 3 10 Touch the buttons on the controller pro gram screen to change settings and operate the valve exerciser 1 Set the torque limit by touching the Limit button and NOTE then touching the up or down arrow The arrows 23 If you don t know change the torque limit in increments of 50 the valve direction leave the
15. e 1 12 Insert the fasteners as shown in Figure 1 15 with the nuts and washers on the underside of the vehicle deck Figure 1 15 Install the arm latch using two 3 8 16 x 1 75 HHCS 12 Installation Troubleshooting Tips Every ERV 750 is factory tested to verify proper operation If the ERV 750 is not functioning as expected after you install it follow these troubleshooting steps to isolate the cause e Supply hydraulic power from a separate properly sized hydraulic unit ideally a Wachs or similar con nected to the auxiliary hose connections e Reconnect to system hydraulic power If malfunction continues diagnose hydraulic system failure Install cal ibrated gauges to verify system pressures and flow Return line pressures must not exceed 25 psig If neces sary route a dedicated return line from the ERV 750 to the hydraulic reservoir or increase hose size Routing a temporary return line to an empty oil drum will verify brake release with low return line pressure E H Wachs Part No 79 01 Rev 3 0409 ERV 750 Extended Reach Valve Operator 14 Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 2 Safety Chapter 2 Safety E H Wachs takes great pride in designing and manufactur ing safe high quality products We make user safety a top priority in the design of all our products Read this chapter carefully before operating the ERV 750 It contains important safety instruc
16. erator PARTS LISTS AND DRAWINGS Head Assembly ITEM PART No QTY DESCRIPTION SPACER HOUSING 2 PLATE ASSEMBLY BOTTOM 3 PLATE ASSEMBLY TOP 9 8 BEARING SPROCKET 5 79 009 00 SPROCKET ASSEMBLY KEY DRIVE 6 SPACER BEARING 7 SPROCKET DRIVE s 16 79 020 00 7 s 078 W 20 90 122 09 5 8 32 250 5518 8 21 09 056 00 LINK CONNECTING 22 09 055 00 1 CHAIN ROLLER 32 Part No 79 01 Rev 3 0409 E H Wachs Chapter 5 Parts List and Ordering Information Parts Lists and Drawings i 3 a om 7 22 18 o 4 Ds Head Assembly Exploded View Wachs Part No 79 01 Rev 3 0409 33 ERV 750 Extended Reach Valve Operator Mechanical Assembly ITEM PART NUMBER GTY DESCRIPTION res 3 900655 8 WASHER LOCK 314 ID 583 OD 078 W 3 p 7901300 4 RACE SPINDLE BEARING OUTER 2 2 pesmom n 902355 2 WASHER SPINDLE BEARING 12 9023505 2 _ NUT SPINDLE BEARING RETAINING 13 790000 4 CAUPER DISC BRAKE u 15 7902300 1 BRACKET MANIFOLD MOUNTING 7902500 2 MANIFOLD COVER 18 9004691 2 188x 2 000 COTTER 19 9005552 8 WASHER LOCK 28010 363 078 W m 7 pes aene as 22 790300 1 jscew swweLsET n aom 1
17. ges You may have factory service or upgrades performed on the equipment If this service changes any technical data or operation and maintenance procedures we will include a revised manual when we return the equipment to you EQUIPMENT DESCRIPTION The ERV 750 is an automated medium duty valve operator mounted on an extension arm to reach valves up to 13 feet from the pedestal mount With the ERV 750 mounted on your truck or utility trailer you can reach many valves when parked curbside It operates on hydraulic power using a ruggedized computer based controller that can store and transfer valve operation data The standard configuration is provided on a Wachs Swivel Vac heavy duty trailer the system s components can also be mounted on a truck or pickup bed with the optional installa tion kit Specifications e Operates all valves 6 60 e 750 lb ft maximum torque e 0 30 rpm e 13 on Swivel Vac trailer reaches 11 ft to the curb side and 9 ft to the driver side with locking extension swivel mounting pedestal with position lock microprocessor control system e Vitals Recon controller a Windows CE based handheld pendant with operating and data logging software e 4 9 ft telescoping valve key 3 ft extensions available E H Wachs Part No 79 01 Rev 3 0409 3 ERV 750 Extended Reach Valve Operator System Components The following figures illustrate the components of the ERV 750
18. length Adjustment holes Figure 3 6 Hold in the locking pin on the telescoping valve key and pull the key out to the desired length Make sure to set the pin through one of the adjustment holes 11 Putthe valve key down into the valve vault and insert the top of the key into the valve key adapter Position the socket end of the key on the valve nut PERFORMING THE VALVE OPERATION When you perform the valve operation you can operate the ERV 750 only in controller mode without logging valve data or you can use the Vitals data logging program to record valve operating information 1 Start engine and set the throttle to operating speed Make sure the con ON position The power indicator will light troller is connected to the ERV arm before pow ering up the control box NOTE A 2 Press the switch on the ERV 750 control box to the 22 Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 3 Operating Instructions Performing the Valve Operation Figure 3 7 Push the switch on the control box to the position 3 Press the power button on the ERV pendant to turn it on The Windows Mobile screen will come up er Figure 3 8 Press the power button to turn on the ERV control pendant Starting the Vitals Data Logging Program If you are going to record valve operation data start the Vitals program before running the ERV 750 control pro gram If you are not logging data skip to the next se
19. olumns This large column on the inside of the page contains instructions and illustra tions Use these instructions to operate and maintain the equipment The narrower column on the outside contains additional information such as warnings special notes and defini tions Refer to it for safety notes and other information SYMBOLS AND WARNINGS The following symbols are used throughout this manual to indicate special notes and warnings They appear in the out side column of the page next to the section they refer to In This Chapter PURPOSE OF THIS MANUAL How TO USE THE MANUAL SYMBOLS AND WARNINGS MANUAL UPDATES AND REVISION TRACKING EQUIPMENT DESCRIPTION INSTALLING THE ERV 750 ON EXISTING EQUIPMENT Throughout this manual refer to this column for warnings cautions and notices with supplementary information E H Wachs Part No 79 01 Rev 3 0409 ERV 750 Extended Reach Valve Operator WARNING gt WARNING alert with the safety alert symbol indicates a potentially hazardous situa tion that could result in seri ous injury or death CAUTION gt CAUTION alert with the safety alert symbol indicates a potentially hazardous situa tion that could result in minor or moderate injury CAUTION A CAUTION alert with the damage alert symbol indi cates a situation that will result in damage to the equipment IMPORTANT An IMPORTANT alert with the damage alert
20. sgaH 1 00200462 YIIWNN 4 wall 6 ALS 3338WfN 4 wall 37 Part No 79 01 Rev 3 0409 E H Wachs Installation Kit ERV 750 Extended Reach Valve Operator 050 00 9 8 9 2 4 06 ivij g e s3H4 vM z 69540086 052 2 61 2 15 0016006 0 00899 2 15 2 516006 6 8996006 9 ZI S e XoOla3HSvM z 264006 WAY INNOW XOJA HOLYI 1 008602 5 Io vaae 2 2919042 c i33ovas W3ovas 1 008062 4 2 YIIWNN 4 Wachs Part No 79 01 Rev 3 0409 38 E H WACHS Superior Equipment Complete Support 600 Knightsbridge Parkway Lincolnshire IL 60069 847 537 8800 www ehwachs com
21. splayed with any safety alert that indicates a personal injury hazard Z WARNING This safety alert indicates a potentially hazardous situation that if not avoided could result in death or serious injury Z CAUTION This safety alert with the personal injury hazard symbol indicates a potentially hazardous situation that if not avoided could result in minor or moderate injury NOTICE This alert indicates a situation that 1f not avoided will result in damage to the equipment 16 79 MAN 01 E H Wachs Safety Operator Safety IMPORTANT This alert indicates a situation that if not avoided may result in damage to the equipment Protective Equipment Requirements WARNING Always wear impact resistant eye pro tection while operating or working near this equipment For additional information on eye and face protection refer to Federal OSHA regulations 29 Code of Federal Regula tions Section 1910 133 Eye and Face Protection and American National Standards Institute ANSI Z87 1 Occu pational and Educational Eye and Face Protection Z87 1 is available from the American National Standards Institute Inc 1430 Broadway New York NY 10018 CAUTION Personal hearing protection is recom mended when operating or working near this tool Hearing protectors are required in high noise areas 85 dBA or greater The operation of other tools and equipment in the area reflective surfaces process
22. symbol indi cates a situation that may result in damage to the equipment Ay NOTE A NOTE provides supple mentary information or oper ating tips Make sure you understand what each symbol means and follow all instructions for cautions and warnings This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death This is the equipment damage alert symbol It is used to alert you to poten tial equipment damage situations Obey all messages that follow this sym bol to avoid damaging the equipment or workpiece on which it is operating NOTE This symbol indicates a user note Notes provide additional information to supple ment the instructions or tips for easier operation N Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 1 About the ERV 750 Manual Updates and Revision Tracking MANUAL UPDATES AND REVISION TRACKING Occasionally we will update manuals with improved opera Current versions of E H tion or maintenance procedures or with corrections if nec Wachs manuals are also essary Revised manuals will be available for customers available in PDF format You can request an electronic copy of this manual by email ing customer service at sales ehwachs com When a manual is revised we will update the revision his tory on the title page and at the bottom of the pa
23. the vehicle must be at least 1 4 thick at the location where you are mounting the ERV 750 pedestal At least two people should install the ERV 750 One person will need to hold the machine in place while the other attaches the fasteners The installation kit includes two mounting brackets and a mounting spacer illustrated in Figure 1 11 If possible it is preferable to attach the mounting brackets to a beam or channel on the underside of the vehicle bed This beam must be 3 wide to properly space the mounting brackets If you mount the brackets in this way you will omit the spacer Figure 1 11 The spacer 1 can be omitted if there is a 3 beam or channel on the underside of the deck where you can attach the mounting brackets 2 1 Set the pedestal of the ERV 750 base at the location you want to install it on the equipment 10 Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 1 About the ERV 750 Installing the ERV 750 on Existing Equipment 2 Mark the location of the 4 holes in the ERV 750 base Make sure you can drill into the equipment at these locations without causing damage to the equipment 3 Referto Figure 1 12 for dimensions and hole sizes Measure the locations for the arm latch holes and make sure you can drill into the equipment there R13 0 CLEARANCE 2 3 32 1 45 0 38 2 PLACES 2 4 PLACES c pua o 3 1 ERV 750 424401
24. tions and recommenda tions OPERATOR SAFETY Follow these guidelines for safe operation of the equip ment READ THE OPERATING MANUAL Make sure you understand all setup and operating instructions before you begin INSPECT MACHINE AND ACCESSORIES Before starting the machine look for loose bolts or nuts leaking lubricant rusted components and any other physical conditions that may affect operation Properly maintaining the machine can greatly decrease the chances for injury ALWAYS READ PLACARDS AND LABELS Make sure all placards labels and stickers are clearly legible and in good condition You can purchase replacement labels from E H Wachs Company KEEP CLEAR OF MOVING PARTS Keep hands arms and fingers clear of all rotating or moving parts In This Chapter OPERATOR SAFETY Look for this sym AN bol throughout the manual It indicates a personal injury hazard E H Wachs 79 MAN 01 ERV 750 Extended Reach Valve Operator Always turn machine off before doing any adjustments or service SECURE LOOSE CLOTHING AND JEWELRY Secure or remove loose fitting clothing and jewelry and securely bind long hair to prevent them from getting caught in moving parts of the machine e KEEP WORK AREA CLEAR Keep all clutter and nonessential materials out of the work area Only people directly involved with the work being performed should have access to the area Safety Symbols A This icon is di
25. wise Settings Touch to change valve operating settings Waiting to connect Displays current operating status reads Connected to ERV 750 when startup is complete Figure 1 4 The ERV 750 controller has a touch screen for operation E H Wachs Part No 79 01 Rev 3 0409 5 ERV 750 Extended Reach Valve Operator Operation Overview This section briefly describes the ERV 750 controls See Chapter 3 for detailed operating instructions 1 For ERV 750 installed on the Swivel Vac trailer turn on power to the unit using the switch on the con trol box The engine must be running to power up the ERV Figure 1 5 Push the power switch on the control box down to turn on power to the ERV 750 When power is enabled to the ERV brakes in both swivel joints of the arm lock the arm in its current location To move the arm hold down the brake release button on the positioning handle and move the arm to its desired location Part No 79 MAN 01 Rev 3 0409 E H Wachs Chapter 1 About the ERV 750 Equipment Description Brake release button Figure 1 6 Press and hold the brake release button to move the arm When you release the button the brakes will re engage and hold the arm stationary To extend the length of the telescoping lower arm turn the locking knob counter clockwise and pull out the locking pin Pull the arm extension out to the position you want then tighten the lo
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