Mertz Chain Trencher
Contents
1. 2 2310 Figure 19 Tooth Replacement 18 Maintenance Replacing the Drive Sprocket Overtime the drive sprocket will wear especially when used in sandy or clay soils When this happens the digging chain will begin to slip If the chain slips replace the drive sprocket as follows Raise the trencher a few inches above the ground Stop the engine and remove the key Remove the spoils auger lem 4 Figure 20 Loosen the chain tensioning bolt or break the chain at the master link to remove the chain from the boom 5 Remove the chain from the drive sprocket Item 2 Figure 20 6 Remove and discard the old drive sprocket making sure to keep the drive key Item 3 Figure 20 7 Clean the sprocket mounting surface on uencher 8 Slide the new sprocket onto the drive shaft align the key ways and insert the key locking the sprocket to the shaft 9 Loop the chain over the auger drive shaft and onto the drive sprocket making sure that the teeth point forward on the upper span 10 Install the spoils auger and secure it using the nut ltem 6 Figure 20 and bolt ltem 5 Figure 20 removed earlier 11 Set the upper span of the chain into place on the trencher boom and then wrap the chain around the roller at the end of the boom 12 Tighten the chain tension adjustment bolt until the proper chain tension is set according to the Adjusting Digging Chain Tension instructions shown earlier in this manual2. Before starting the engine make sure that the Auxiliary Hydraulic control lever is in the NEUTRAL position If this control is left in either the forward or reverse position and the engine is started the attachment will begin to function The instructions in this manual refer to a power unit that has an operator presence control that when released automatically shuts off the attachment but allows the engine to continue to operate Other operator presence systems may have an elec trical interface designed into the operator s platform This type of system will shut off the engine if the operator leaves the control position Make sure that you know which system is installed on the power unit to which the accessory will he attached Safety Precautions NOTICE Since Mertz Manufacturing LLC has no direct control over machine application or operation following the proper safety practices is the responsibility of the owner and or operator of the machine The operating instructions shown in this section are based on the use of a Mertz Manufacturing LLC designed and manufactured power unit 1 Move the engine throttle to the full speed setting 2 Raise the attachment off the ground and position it for use Make sure that you are standing on the operator s platform DO NOT step off of the platform when the auxiliary attachment s power is engaged It you release the AUXILIARY hand control operator presence control th
3. daging cha Tension as requved by digging EU ELI 7 Rast the digging chain tension 7 Check Tre condition of he bearing case Tube EU 7 hangs the Bearing cass BE Tong Term Storage Service 7 Grease bearing housing Ting Rust the Gang chain enor 7 Paint chipped surfaces Ifyou leave the key in the ignition switch someone could accidentally start the engine and seriously injure you or other technician Remove the key from the ignition and disconnect the wire from the spark plug before you do any maintenance Set the wire aside so that it does not accidentally contact the spark plug Greasing the Trencher Grease the bearing housing fitting every 8 operating hours and immediately after every washing lubrication The nose roller has a permanently lubricated bearing and does not require any 1 Make sure to clean out the protective cup around the grease zerk and the grease zerk Item 1 Figure 15 before lubricating 2 Using a grease gun and general purpose grease pump grease into the fittings until grease begins to ooze out of the bearings 3 Wipe up any excess grease n Maintenance 2046 Figure 18 Trencher Grease Ze NOTICE If any leaking fluid is noted at the bearing housing the seal in the hydraulic motor is leaking and the motor requires replacement See Remove and Replace Hydraulic Drive Motor later in this manual Adjusting Digging Ch
4. LN N Figure 20 Remove Spoils Auger 2305 19 Maintenance Replace Nose Drive Sprocket NOTICE For this procedure mount the trencher onto a machine but do not connect the hydraulics Raise the trencher off the ground a short distance to make working on it easier Make sure to shut off the machines engine and remove the key from the ignition Overtime the nose drive sprocket will wear especially when used in sandy or clay soils When this happens the digging chain will begin to slow down or stop If the nose drive sprocket has failed replace it as follows Raise the trencher a few inches above the ground Stop the engine and remove the key Remove the chain from the boom by breaking the chain at the Master Link and remove the chain from the boom 4 Remove the nut liem 4 Figure 21 and washer Item 3 Figure 21 that secures the nose drive sprocket bolt Item 1 Figure 21 to the boom ltem 5 Figure 21 5 While holding the nose drive sprocket Item 2 Figure 21 remove the bolt 6 The nose drive sprocket will fall fre NOTICE Inspect the upper and lower wear surfaces of the boom assembly for signs of excessive wear See Trencher Boom Replacement earlier in this manual Install new nose drive sprocket and secure with bolt washer and nut Reinstall and tension trencher chain 2345 Figure 21 Nose Drive Sprocket Replacement Maintenance Chain Master Lin
5. The station configurations are placed along the chain in an order that maximizes digging efficien There are two types of teeth cupped and triangular rock teeth Cupped teeth are designed to cut through and remove soil Triangular rock teeth cut rock and other hard ground The teeth are cupped or angled differently depending on which side of the chain they are intended be fastened ie ether left or righ The teeth fastened to the chain links using bolts nus tubes and spacers of varying sizes Figure 23 illustrates the various components of several tooth configurations The table on the following page lists some of the chain configurations detailing which tooth configuration should be installed at each station around the chain for each chain configuration Norici Each table lists the configurations for 32 positions If you are changing the configuration of a 24 link chain ignore the positions 25 through 32 in the table Make sure to orient the tooth in the proper direction Figure 23 shows the rear of the tooth If the tooth is installed backwards the trencher chain will not work properly Rear S Figure 23 Tooth Direction Maintenance Configuring the Chain To configure the chain complete the following procedures Select the chain configuration you want to install from the chain configuration illustrations Configurations A E Figure 24 and obtain all necessary
6. Trencher chan mee In reverse a teg hyarauic nes are s Reverse hydraulic Tras direction whenawriarycontolis reversed CAUTION make sure to shut Ee of the engine and release inthe hydraui lines removing ydrausc lines rom the quick connects Hdi dive maior is ring a Spois auger connection bak TS Install and secure connection uf the spoils auger does not nat installed bot move b Spoils auger connection bot b Install and secure connection has sheared ol sot FETE Ras eating Wom Te Hyaraule ing bose 3 Toner Wings Trencher deve moto Internal motor seals Replace drive motor leaking Engins sums Gur SSE AT EE EAN EME EL EL continas fo run when using being applied lo attachment auxilary attachment sialing engine 8 Power unit low on tuel b power unit PuorWencherperommanos does a Wom Tencer chain tesih a Replace worn rancher taa not penetrate soil easily 5 Not enough down pressure on b increase downward pressure De on the trench Maintenance Section 4 Maintenance Recommended Maintenance Schedule Maintenance Service Interval Maintenance Procedure Sus T Grease bearing housing Wing 7 Oreck The Teeth and replace any Wat are War ordamaged Trek and replace any damaged or missing and operating decas T Oreck ihe Bak and nu securing Fe spals ugs Tghiamcrreplacs as needed 2
7. 54 EZI 3 FLAT WASHER 18 3825 30 SPACER TUBE 138 Ti LEFT TERMINATOR TOOTH meet 32 RIGHT TERMINATOR TOOTH eme 725227 Ta RIGHT TOOTH 6555759 35 SPAGER TUBE 1 1 4 See T6 FLAT SPACER BLESS EJ 33 LEFT CUP TOOTH Se 12 4 1 YI FLAT SPACER 176515 Parts List 2299 Parts List Trencher Chain Assembly Parts List Tem No Descrpton Wuany Pare T LL D 2290143 2 FEMALE QUICK CONNECT T 2416625 3 BUST COVER T a BUST COVER 5 MALE QUICK CONNECT T 2446627 FITTING 2446627 THOSE ASSEMBLY 2 36003247592 SLEEVE 3 24141428050 3 CALL BEFORE YOUR DIG WARNING DECAL T T0 AIS PRESSURE FLUID WARNING DECAL 272402 3 CHAIN ASSEMBLY 32 ORNE SHAFT Ser T3 BEARING 213217 Ta MOTOR SPACER TUBE 802728 35 HYDRAULIC DRIVE MOTOR T EIE 36 BOUT z KEE 17 COCK WASHER pen T8 REAR CRUMMER POT PLATE 802244 38 BOT EELE 20 FFONT CRUMMER PIVOT PLATE 802226 2i eer ELES 22 TRENCHER ASSEMBLY 7 802220 2 NUT EJ 7032012 LUS 7 793202 25 FLAT WASHER 3 ES 26 eor D maer 2 SUPPORT TUBE 802232 28 NOSE SPROCKET PIN 802202 28 NOSE DRI
8. MMERTZ MANUFACTURING LLC Chain Trencher Installation Operation and Service Manual Part No 999 839 Table of Contents Section 1 Safety Preca Attachment Installation and Removal lions 1 1 1 1 Attachment Lock Pins 1 1 1 2 1 Installation of Trencher Attachment Operating Instructions for the Chain Trencher Hydraulic Attachment Section 2 Travel Crawl Control Removal of Hydraulically Powered Attachments 1 1 Section 3 Troubleshooting Section 4 Mai tenance Recommended Maintenance Schedule 1 4 Greasing the Trencher 1 14 Adjusting Digging Chain Tension 1 15 Trencher Boom Replacement 1 17 Replacing the Digging Teeth 1 18 Replacing the Drive Sprocket 1 19 Replace Nose Drive Sprocket 1 20 Chain Master Link 1 21 Chain Configuration 1 22 Configuring the Chain 1 23 Section 5 Parts Li Section 1 Safety Precautions Before installing the Chain Trencher or any other powered attachment sure to refer to the Safety Pre Start Inspection and Machine Start up sections of the power units Operator s Manual Since Mertz Manufacturing LLC has no direct control over machine application or operation following the proper safety practices is the responsibility of the owner and or operator Remember that this unit is only as safe as those who operate it Safety tips shown throughout this Operators Manual must be followed at ll times Attachment Installation and Removal N
9. NOT USE YOUR BARE HANDS IF YOU ARE INJECTED WITH HYDRAULIC OIL OR ANY OTHER FLUIDS IMMEDIATELY SEEK TREATMENT BY A DOCTOR TRAINED IN THE TREATMENT OF PENETRATING FLUID INJURIES Problem Cause Remedy Temherchadoesnarum s pre Eemeren connected ines b Power unit has more that ona b Connect encher hydraulic Set of auiaryhycrautefnes Ines tothe correct auxtiary hydraulic ines HightLow switch notin proper Set Den switch tothe Seting High poston 8 Engine notat ated speed d Mave to maximum RPM seting e controllever notin the e Hold Auxiary control lever in proper positon the activation position 1 Nose drive sprocket t Replace nmose drive sprocket 9 Power unit is on hydraulic g Reter to power units Operators Manual h Trencher Chain drive motor is h Replace hydraulic auger dive leaking hydrau c tid moror Engine does not alan wih 3 Auxiliary control aver aiva a Move conia lever fe Neutral drencher atached tion postion positon Trencher Chain rotates Burma Sol may contain rocks or aiher Raise encher chain Wom the smoothly or stops and starts items that aro preventing trench to clear contact wih the smooth operation obstruction b Power unt low on hydraulic b Ratar to power units Operators Dei Manual c Trencher hydraulic drive motor Replace hydraulic drive motor is faing
10. OTICE The following instructions are based on the installation of the chain trencher on a Mertz Manufacturing LLC power unit Attachment Lock Pins The mounting plate located atthe front of the machine provides for the easy installation and safe use of the wide variety of available attachments This system is very easy to use but requires the proper use of the attachment lock pins There are two positions for the attachment Jock pins Item 1 Figure 1 the unlocked position and the locked position Once the machine has picked up an attachment shut off the engine and rotate the attachment locks into the locked position As you rotate the lock pin it will drop downwards securing the attachment to the machine If the lock pin does not drop into the locked position start the engine and tilt the attachment slightly forwards or backwards until the lock pins snap into place 2022 Figure 1 Attachment Locks in Locked Position Safety Precautions Until the attachment lock pins are fully in the locked position the attachment has not been safely secured to the machine Do not stand near the attachment until it is fully secured to the machine To release an attachment rotate the attachment locks to the unlocked position Item 1 Figure 2 The lock pins will automatically rise releasing the attachment from the machine If the pins do not release the attachment or are very hard to rotate start the engine
11. VE SPROCKET T 241703 35 FLAT WASHER T EE 3i NLOCK NUT 2294406 32 BOOM ASSEMBLY 36 T CAE 33 TENSIONING SPRING 1 2677968 COME 34 ADJUSTMENT ARM T 802125 35 POLY WASHER T CAEI 36 ur 7 7032012 3 STAND CLEAR DECAL T zeen 38 eer T EU 38 NOT T 802727 36 ROLL PIN 2207655 INTERNAL SHAPING 2 es 42 BEARING T 243213 LES CAEI 44 REAR DANE SPROCKET 2417907 48 EXTERNAL SNAP RING z ELE 46 NYLOCK NUT T TET 7 DISCHARGE AUGER T 80215 48 Bor T GE ERC 2805 30 50 SET SCREW z KE 5 TRENCHER BODY T 802158 52 GREASE ZERK T emer Parts List MERTZ MANUFACTURING LLC Mertz Manufacturing 1701 N Waverly 5 Ponca City OK 74601 Phone 800 654 6433 Fax 580 767 8411 Web Site wwnvmertzok com Part Number 999 839
12. ain Tension Adjust the digging chain tension every 25 operating hours With the encher parallel to the around make that there is 1 1 2 to 2 1 2 inches of chain sag between the bottom of the boom and the lop of the bottom chain span See Figure 16 2308 Figure 16 Chain Sag Maintenance NOTICE Fora new cha check the chain sag after the frst hour of operation Depending on working conditions chain sag adjustments may need to be done more frequently If a chain sag adjustment is needed adjust the chain using the following procedure NOTICE Do not over tighten the chain Excess chain tension may damage drive components The trencher boom assembly has a spring tension system built in to provide the proper tension to the chain and to limit damage to the trencher by absorbing sudden impact to the trencher If the chain tension needs to be adjusted 1 Rotate the chain adjustment bolt Item 1 Figure 17 to increase or decrease pressure on the boom tension spring until the proper chain sag is measured 2302 Figure 17 Chain Tension Adjustment 16 Maintenance Trencher Boom Replacement NOTICE For this procedure mount the trencher onto a machine but do not connect the hydraulics Raise the trencher off the ground a short distance to make working on it easier Make sure to shut off the machines engine and remove the key from the ignition 1 Inspect the bottom o
13. and tilt the attachment slightly forwards or backwards until the pins can be rotated 1 1 Pins Unlocked E Figure 2 Attachment Locks in Unlocked Position Installation of Trencher Attachment install the wencher 1 Position the attachment on a level surface NOTICE Clean the lower edge of the female attachment mounting plate to remove any debris that might interfere with the attachment installation Start the machine engine lower the loader arm and tilt the mounting plate forwards NOTICE Make sure that both of the attachment lock pins Item 1 Figure 2 and Item 3 Figure 3 are in the unlocked position 3 Slowly drive towards the attachment and align the top edge of the male mounting plate lem 1 Figure 3 and the upper lip of the female attachment mounting plate Item 2 Figure 3 NOTICE Make sure to position the attachments hydraulic hoses Item 4 Figure 3 so that they are not damaged during the installation process Tuck the upper edge of the male mounting plate into the upper lip of the female attachment mounting plate Safety Precautions E Figure 3 Hydraulically Powered Attachment Installation 4 When the machines mounting plates top edge is seated in the attachment mounting plate curl the machines mounting plate backwards slightly to allow the lower edge of the machines mounting plate to slide into position See Figure 4 ans Fig
14. e attachment will automatically stop all motion but the engine will continue to run 3 With your right hand squeeze the AUXILIARY OPERATOR PRESENCE control lever liem 1 Figure 8 towards the hand hold to activate the attachment in the FORWARD motion 2224 Figure 8 Auxiliary Attachment Controls 4 Using the tilt control lever rotate the trencher upwards so that the front tip It Figure 9 is slightly elevated and not contacting the ground Safety Precautions 24 Figure 9 Initial Trencher Work Position 5 Lower the attachment to the ground making sure thatthe skid shoe Item 1 Figure 9 isin contact with the ground and the chain is still elevated 6 Using the tilt control slowly rotate trencher downwards into the ground to the desired digging depth Make sure that the skid shoe Item 1 Figure 10 remains in contact with the ground E Figure 10 Chain in Wark Position 7 If you want to reverse the operation of the attachment move the auxiliary control lever liem 1 Figure 8 to the REVERSE position The control lever will remain in the REVERSE position detent until it is moved to the NEUTRAL position Travel Crawl Control Section 2 Travel Crawl Control The instructions in this manual refer to a power unit that has a Travel Creep control that allows the operator to adjust the travel speed when the attachment is engaged and a High Low control sw
15. ental disconnection To release this type of quick connect ratate the collar on the female quick connect liem 1 Figure 13 to align the notch on the collar with the lock button ltem 2 Figure 13 Slide the collar backwards on the female quick connect ltem 4 Figure 13 until it stops against the lock button The male connector will be released lines 5 Move the attachment hose away from the bulkhead fitting 6 If the female connector does not have the lock pin type collar just slide the collar backwards until the male connector is released 2030 Figure 13 Quick Connect Locking Collar 7 Repeat this procedure on the other hydraulic line 8 Cover the hose connections with the dust Item 5 Figure 13 and store the hydraulic hoses to prevent damage Travel Crawl Control 9 Rotate the attachment lock pins to the UNLOCKED position ltem 1 Figure 14 1 1 2021 Figure 14 Attachment Locks in Unlocked Position 10 Start the engine and rotate the mounting plate downwards 11 Back away from the attachment NOTICE It may be necessary to lower the loader arm assembly slightly to fully disengage from the attachment Troubleshooting Section 3 Troubleshooting HYDRAULIC OIL UNDER PRESSURE CAN PENETRATE BODY TISSUE CAUSING SERIOUS INJURY AND POSSIBLE DEATH WHEN TROUBLESHOOTING A HYDRAULIC SYSTEM FOR LEAKS ALWAYS USE CARDBOARD OR WOOD AS A DETECTOR DO
16. f the boom for wear if it is worn complete the following Loosen the Chain Tension Adjustment Bolt Item 2 Figure 18 to fully release the spring pressure Remove the chain from the boom tip sprocket Slide the boom assembly Item 4 Figure 18 forward NOTICE The boom adjustment bolt Item 2 Figure 18 and tension spring Item 3 Figure 18 are located inside the boom assembly Make sure not to damage these when removing the boom assembly 5 Flip the boom assembly over so the bottom becomes the top Ifthe boom assembly has already been flipped replace it with a certified Mertz replacement part 6 Slide the boom assembly over the tension spring and adjustment bolt and into the main trencher frame Reinstall the chain onto the trencher nose roller Adjust the chain tension following the Adjust the Digging Chain Tension instruction listed earlier in this manual 2309 Figure 18 Trencher Boom Maintenance Replacing the Digging Teeth Due to the high amount of wear placed on the di periodically To replace a single tooth Items 3 and 5 Figure 19 remove the bolts and nuts tem 1 and 2 Figure 19 securing the tooth to remove it and then install new tooth in the same position NOTICE The spacer tubes ltem 4 Figure 19 will fall free Make sure to reinstall these when the new tooth is installed Tongue the bolts securing the teeth 27 1033 ft lb teeth you will need to replace them
17. h of the connectors Items 1 2 3 4 Figure 6 to remove any dirt or debris Safety Precautions 2225 Figure 6 Auxiliary Hydraulic Quick Connects d Insert the attachments male coupling Item 3 Figure 6 into the female bulkhead quick connect coupling Item 2 Figure 6 on the machine and push until the con nector locks into position Repeat the above process to connect the attachments female quick connect liem 5 Figure 6 on the other hose to the male bulkhead connector Item 1 Figure 6 on the machine Check the security of both connections by gently tugging on the attachment hoses to make sure that the quick connects are seated properly 11 Make sure that the hydraulic hoses are routed so that they will not be in the way or damaged during machine operation Figure 7 shows how the hoses might be routed to keep them out of the way during operation and prevent them from being damaged 12 The attachment is now ready to use Safety Precautions S t 2228 Figure 7 Attachment Hydraulic Hose Routing Operating Instructions for the Chain Trencher Hydraulic Attachment BEFORE BEGINNING ANY TRENCHING MAKE SURE THAT THE WORK AREA HAS BEEN INSPECTED AND MARKED FOR UNDERGROUND UTILITIES OR POTENTIAL OBSTRUCTIONS ANY CONTACT WITH UNDERGROUND UTILITIES CAN POTENTIALLY CAUSE INJURY OR DEATH CONTACT DIGGERS HOTLINE 1 800 242 8511 TO HAVE THE WORK AREA INSPECTED AND MARKED
18. itch If the power unit is not equipped with either of these controls refer to the machines Operator s Manual for specific user instructions The travel system on the machine can be adjusted to make the attachment more effective in tough digging situations The travel crawl control allows the travel speed to be adjusted from ull speed forward or reverse to no movement at all To adjust the travel speed using the crawl control set the High Low travel speed switch is in the HIGH position move the engine throttle lever to the maximum engine speed and 1 With the attachment raised off the ground move the AUXILIARY OPERATOR PRES ENCE control lever Items 1 Figure 11 to either the FORWARD or REVERSE position to activate the trencher 2224 Figure 11 Auxiliary Control 2 Lower and position the trencher to the work position as stated in the Operating Instructions above Travel Crawl Control 3 Rotate the CRAWL control lever liem 1 Figure 12 to adjust the travel speed as needed 227 Figure 12 Crawl Speed Adjust Control Rotate CRAWL control lever fully clockwise to the turtle or NO TRAVEL position Full hydraulic power will be directed to the trencher and the machine will not move Move both travel control levers to the full reverse travel position 7 While holding both of the control levers in the reverse position and with the tencher operating rotate the CRAWL control lever cou
19. k Ifthe trencher chain needs to be removed from the trencher it can be broken at the Master Link When the Master Link is removed the chain could fall off the trencher frame Keep your hands and feet from underneath the chain to prevent injury To separate the Master Link 1 Inspect the chain and locate the master link Item 1 Figure able pivot pin and cotter pin instead of two bolts Support the trencher chain from underneath the trencher frame 22 which will have a remov Remove the cotter pin ltem 2 Figure 22 from the pivot pin Item 3 Figure 22 and then remove the pivot pin Remove the spacer tube ftem 4 Figure 22 from the chain links ltem 5 Figure 22 Using an appropriate lifting device remove the trencher chain from the trencher frame Replace the trencher chain and reassemble the master link by reversing Steps 1 5 Figure 22 Auger Drive Shaft Maintenance Chain Configuration You can set up the chain in different configurations depending on the width of trench desired und the soil conditions at the work site Depending on the size of boom you purchased you will either have a chain with 24 links 24 inch 60 9 cm boom 32 links 96 inch 91 4 em boom Each link can have digging teeth fastened to it and are referred to as a station At any station the teeth can be fastened in various configurations with spacers and tubes to vary the width of cut
20. nter clockwise until you set the proper travel speed forthe attachment being used NOTICE Rotating the crawl control lever counter clockwise increases the travel speed from very slow to full operating speed The faster the machine travels the less hydraulic power will be directed to the attachment The slower the machine travels more hydraulic power will be directed to the hydraulic attachment 8 When the crawl travel speed has been set properly steering and direction control can be adjusted by using either or both of the travel control levers When using CREEP VALVE control and the travel controls together with an attachment activated DO NOT release the AUXILIARY OPERATOR PRESENCE control until the travel controls are in the NEUTRAL position 9 To retum to full operating speed release both travel control levers and rotate the CRAWL control lever counter clockwise past the highest speed setting into the detent OFF position 10 Full speed range will be returned to the main travel control levers 10 Travel Crawl Control Removal of Hydraulically Powered Attachments After use the quick couples and hydraulic fluid will be very hot Wear gloves when disconnecting the auxiliary hydra 1 Lower the attachment to the ground and shut off the engine 2 Move the hydraulic control levers forward or backward to release any stored hydraulic pressure 3 Some of the female couplings will have a lock button preventing accid
21. parts 1 Lower the loader arms stop the engine and remove the key 2 Remove the unneeded teeth and other hardware from the links on the top span of the chain NOTICE NOTICE When removing teeth keep the components of each tooth set together so you can assemble them later 3 Install each tooth set across the top span from front to back in the order listed in the appropriate chain configuration table NOTICE NOTICE Install the tooth configuration illustrated for station 1 first followed by the tooth configuration for station 2 and so on Torque the bolts to 27 to 33 When all positions are installed on the top span start the engine raise the trencher slightly off the ground using the loader arms and slowly run the chain forwand to expose a new section of chain Stop the engine and remove the key 7 Repeat steps 3 through 7 until all chain positions have been changed Parts List Section 5 Parts List 9 29 14 T Configuration ES Configuration D 4 a SNS 7 14 8 Configuration B 12 Configuration Configuration Figure 24 Chain Configuration and Parts List 2082 Parts List Trencher Chain Parts List Tem No Descrpton Pm T BOLT 38 24 X I E 36242046 2 BOLT 38 20 X234 EJ 3624246 3 COAT EES z 38248 a BOLT 38 24 X217 2 3624226 5 BOL 3 24 334 Li 36248546 3 Lock NUT
22. ure 4 Hydraulically Powered Attachment Installed Shut the engine Rotate the attachment lock pins Item 1 Figure 4 into the locked position securing the attachment to the machine 7 Start the engine and raise the attachment off the ground Visually inspect the bottom edge of the attachments mounting plate to make sure that both of the attachment lock pins are securely holding the attachment in position Safety Precautions DO NOT go underneath the attachment when is raised S Lower the irencher to the ground and shut off the engine 9 Move any of the main hydraulic controls forward and backward to release any stored hydraulic pressure 10 Attach the hydraulic hoses to the quick connects There are two hydraulic hoses that need to be connected The quick connect system prevents you from incorrectly connecting the hydraulic hoses but both hoses need to be connected for the attachment to operate Make sure that the engine has been shut off before beginning this procedure Move the AUXILIARY contro levers Items 1 Figure 5 either towards the hand grip or backwards into the REVERSE detent position This will release the hydrau lic pressure locked in the auxiliary hydraulic lines Leave the control lever in the detent position 224 Figure 5 Auxiliary Control Lever Remove the protective covers Items 4 Figure 6 from the attachment quick nectors Wipe off the end of eac
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