Central Hydraulics trencher 93167 User's Manual
Contents
1. 10 People with pacemakers should consult their physician s before using this product Electromagnetic fields in close proximity to a heart pacemaker could cause interference to or failure of the pacemaker In addition people with pacemakers should adhere to the following Caution is necessary when near the magneto or spark plug cables of a running en gine SKU 93167 For technical questions please call 1 800 444 3353 Page 5 11 Always use full accord with OSHA guidelines and safe workplace practices 12 Keep all personnel not trained for and directly involved in the use of this item well away from the work area We recommend that only licensed drivers use this ma chine 13 This unit is not designed for the demolition of buildings a building may collapse on the machine during demolition causing damage to the machine and severe injury to the operator 14 Warning This product contains or when used produces a chemical known to the State of California to cause cancer and birth defects or other reproductive harm California Health amp Safety Code 25249 5 et seq Warning The warnings cautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be under stood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator CHECK LOCAL LAWS BEFORE USE UNPACKING W2. m 15 Moving the Trencher eee eere eere 16 MANteriari 8i 17 LUD RIC AION ORE Ead EE 18 Parts c m M n 19 tr duerme 20 SKU 93167 For technical questions please call 1 800 444 3353 Page 2 Ripping Force SPECIFICATIONS 4 400 Ibs at the bucket Digging Depth 7 feet maximum Digging Reach 8 feet maximum Hydraulic Rams 2 up and down 1 right and left 1 bucket movement Hydraulic Pump Single Stage 2 7 GPM Pump Stage Single Ram Diameter 1177 Hydraulic Oil Capacity 2 4 to 3 57 gallons Operation Controls 4 arm control valves Seat 32 1 2 H inches from floor Frame Size 81 L x 37 W Main Beam 4 W 5 Wheel Base 58 3 4 inches Wheel Load Capacity 780 16 each Wheel Size 4 8 4 0 12 Bucket Load Capacity 1 24 cu ft Bucket Size 12 W x 20 L outside 11 W 12 4 D inside Hose Ratings 20 000 PSI burst pressure 10 000 PSI working pressure Overall Towing Dimensions 12Lx5 7Wx5 6 H 9 HP Robin Subaru EX27 with overhead cam 4000 RPM max 3600 continuous One oylinder 4 cycle engine 265 cc Gas tank 1 59 gallon Fuel unleaded gas capacity and type 33 8 Fl oz At 32 86 F F SAE 10W 30 20W 30W Start
3. EICENTRAL HYDRAULICS TRENCHER 11012193167 ASSEMBLY AND OPERATING INSTRUCTIONS 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our Web site at http www harborfreight com Copyright 2005 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions and replacement parts please call 1 800 444 3353 Contents c 3 Safety Warnings and 4 Product Specific Safety Precautions 5 UNDA KINO me cm 6 hil e 7 Hose Connection Diagram cernere 8 Purging Air From The Trencher 9 Dj ON 10 Locking the Boom in Place 10 j fet 12 Engine PF DAFallOD icc 12 Attaching Led Assembly re a pitankuc tides connecte 13 8 70211 iM 14 Starting Ihe sse 14 Digging Depth Adjustment 15 Boom COMMUN eR 15
4. Engine check the Hydraulic Fluid level and refill as necessary REV 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 9 TRANSPORT Locking the Boom in Place 1 Use the Bucket Lever to line the hole on the Bucket Assembly 32 up with the hole on the Boom Extension 34 Insert a Safety Locking Pin 15 and secure with a Hairpin Clip 31 b Use the Boom Swing Lever to line up the hole in the Boom Pivot 38 with the Hole in the Frame 90 Insert a Safety Locking Pin 15 and secure with a Hairpin Clip 51 c Put the Boom into the Shallow Position see Safety Locking Pins 15 page 15 and raise it until the pin on the side of the Main Boom 36 is close enough for the Safety Latch 41 to swing over it To use the Safety Latch pull out on the handle swing it over the pin and lower it over the pin locking it in place 2 When transporting the Tren cher make sure your hitch not included is compat ible with the Hitch Coupler 58 Follow all of the safety warnings for towing in your vehicle s manual WARNING The Hitch Coupler will only accept a 2 inch hitch ball 3 reduce friction between the hitch ball and Hitch Coupler 58 apply a layer of heavy weight grease over the hitch ball Safety Latch 41 4 illustration below Temporarily remove the Pin and Safety Pin Then pull up on the Trigger and lift up on the Handle REV 07f SKU 93167 F
5. and Hex Nuts 84 See illustration on previous page VIEW FROM UNDERNEATH Hose Connection Diagram Hydraulic Fluid Reservoir part of Frame 90 Hydraulic 65 Cylinder 2 o gt Extension ce lt gt 8 Connect tighten and check all hydraulic hose Cylinder t 4 C22 fittings to the proper connections as shown above Hoses and fittings are numbered Se curely tighten all fittings NOTE NEVER use pipe thread seal tape on hydraulic fittings SY C g 2 Boom Swing Cylinder Bucket f Control 5 Y 9 Open the Hydraulic Fluid Fill Plug 11 Fill the Hydraulic Fluid Reservoir with 3 5 gal lons of high quality hydraulic fluid Check that the Fluid level is between the lines on the attached Dipstick Close the Hydraulic Fluid Fill Plug 11 securely Assembly instructions continued on next page REV 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 8 CAREFULLY REVIEW ALL ASSEMBLY COMPLETED DURING THE PREVIOUS STEPS Most importantly Check that all Pins are properly in place and that Hair Pins are securing all the pins properly Check that all hydraulic connections are correct and fully tightened Check that the lug nuts are properly tightened Purging Air From The Trencher The s
6. technical questions please call 1 800 444 3353 Page 12 Attaching Leg Assembly In order to use the Trencher the Leg Assemblies must be installed next to the Main Boom 36 and the Wheels 78 and Axle and Hub Assembly 50 moved the rear of the Trencher 1 Ona flat earthen surface start the engine and use the Boom Controls to first curl the bucket towards the boom without touching the ground and then to force the Bucket As sembly 32 down to the ground forcing the Frame Assembly 90 to rise Lift the Tires just off the ground and stop Refer to Starting the Engine and Boom Controls on the fol lowing pages 2 Make sure that the controls will not be touched or bumped and that the Trencher will remain motionless NEVER PLACE ANY PART OF YOUR BODY UNDER THE TRENCHER ESPECIALLY IF IT IS RAISED IN THIS FASHION 3 When the Tires 52 are off the ground remove the Wheel 78 and Axle Assembly 50 to the operator s left and replace with the Left Extension Leg 45 and Leg Assembly 24 Make sure that the Extension Leg is directed so that it turns toward the Bucket end of the Trencher Secure with Lock Pin No 1 20 Repeat procedure for the right side Raise Bucket Assembly again to lower onto Leg Assembly and turn Engine off 4 Using a jack not included and assistance raise up the engine end of the trencher and disconnect from the towing hitch if you have not already done so Slide the Wheels 78 and Axle Assembly 50 into th
7. 7f SKU 93167 For technical questions please call 1 800 444 3353 Page 16 MAINTENANCE ZN WARNING Before performing any inspection maintenance or cleaning procedures disconnect the wire to the Spark Plug of the Engine and release any remaining pressure in hydraulic lines by operating the Boom Controls until there is no movement 1 Before each use inspect the general condition of the Trencher Check for loose screws misalignment or binding of moving parts cracked or broken parts damaged hydraulic hoses and any other condition that may affect its safe operation If abnormal noise or vibration occurs have the problem corrected before further use Do not use damaged equipment Check Engine oil level before each use With engine off periodically check hydraulic oil level Fill when necessary 4 For Engine maintenance and troubleshooting refer to the Robin Subaru Engine Oper ators Manual 5 After the Engine has cooled down remove the remaining gasoline into a gasoline con tainer before storing the unit 6 After the first five hours of use drain and replace the Engine oil After that replace the oil after every 25 hours of use 7 Yearly or more often if used on a regular basis change the Hydraulic Fluid To do so a Locate the Trencher on a level piece of ground to allow the Fluid to drain properly Allow the trencher to cool off b Place an appropriate container underneath that can hold at least 4 gallons and rem
8. AIR PIN CLIP 1 8 1 3 4 NUT 5 8 TIRE 2 85 90ELBOW FITTING NO 2 LUG NUT 2 HEX HD BOLT 5 16 1 1 8 HEX HD BOLT 3 8 2 3 4 PIVOT PIN 3 WASHER SPRING WASHER 1 4 4 90 ELBOW FITTING NO 4 1 97 HEX HD BOLT 1 471 2 65 HYDRAULIC PUMP 1 SPRING HAIR PIN CLIP 90 ELBOW FITTING NO 3 EE NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts 3 3 4 7 3 3 3 3 5 6 8 9 6 6 0 1 2 BE 4 1 1 1 1 ak amp gt 2 2 4 4 4 4 4 4 4 4 4 5 7 8 9 0 5 oa 1 2 i E c 1 1 1 1 1 4 1 1 5 53 54 5 5 57 5 1 8 20 21 22 23 24 25 26 27 28 29 0 6 3 6 6 33 LUBRICATION FITTING 11 5 16 ES EA EA ET E E ER REV 05j 06c 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 19 ASSEMBLY DIAGRAM REV 06c 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 20
9. D AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABIL ITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO REV 05 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 18 PARTS LIST SPRING WASHER 3 8 CONTROL SUPPORT WASHER 3 8 HEX HD BOLT 3 8 1 1 8 SCUTCHEON 1 7 HOSE ASSEMBLY NO 6 1 HEX CONNECTOR 0 SEAT BOTTOM FILL PLUG DIPSTICK SPRING WASHER 5 16 17 ENTER HOSE ASSEMBLY NO 2 HEX BOLT 3 8 1 SAFETY LOCKING PIN HOSE ASSEMBLY NO 4 HOSE ASSEMBLY NO 3 EXTENSION LEG RIGHT contor rane easy ovnen fa Ron 2 2 BUSHING 1 31 HAIR PIN CLIP 3 16 2 5 32 BUCKET ASSEMBLY 1 lt CLEVIS PIN NO 2 2 COUPING PUMP SIDE MAIN BOOM HEX SCREW LUBRICATION FITTING 70 MOUNTING BRACK 1 4 ET PUMP BOOM PIVOT 1 ENGINE KEY HOSE ASSEMBLY NO 8 1 72 HD BOLT 5 16 1 3 4 HOSE ASSEMBLY NO 9 SEAT SAFETY LATCH ENGINE SPRING 1 76 COUPING ENGINE SIDE WASHER 15 16 1 77 HAIR PIN CLIP EXTENSION LEG LEFT WHEEL HOSE ASSEMBLY NO 7 LOCK PIN HEX NUT 5 16 WEIGHT BLOCK HEX HD BOLT 5 16 3 4 81 HEXHD BOLT 5 8 4 3 4 COVER LOCK PIN NO 2 AXLE amp HUB ASSEMBLY WASHER 5 8 H
10. e Main Boom until the Bucket Assy reaches the ground 5 Pull back on the Bucket handle control until the Bucket scoops up the dirt Pull back on both the Main Boom and Boom Extension control handles to raise the load 7 Press in or pull out the Boom Swing control handle to move the Bucket left or right Note The Boom s travel is 60 degrees left and 60 degrees right 8 Press on the Bucket control handle to dump the load Moving the Trencher 1 method for moving the trencher around the work area is by using the Boom to push the Trencher across the ground WARNING This technique can be difficult to control and should only be attempted by an experienced operator The stability of the Trencher is totally dependent on the stability of the ground that the trencher is working on if you choose to move the Trencher in this way do so at your own risk 2 Swing the Bucket inward so that the front of the bucket not the scoop is facing down ward Press the Bucket down onto a solid piece of ground and press down hard enough to raise the front legs off the ground 3 Carefully operate the controls to move the boom and slowly roll yourself in the desired direction Be certain that the Tires and the new resting places for the Legs all re main on solid stable ground 4 After you have repositioned the Trencher raise the Boom to place the Legs back into the ground The procedure can be repeated to move farther REV 05j 0
11. e engine end of the Frame 90 Secure each axle with Lock Pin No 2 82 The completed assembly should resemble the illustration below Leg Assembly 24 REV 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 13 Warning The hydraulic system is now pressur ized Do not move Boom Controls until ready to begin digging Stay clear OPERATION Starting the Engine Check oil level by pulling out the Oil Dip Stick Add oil if necessary Never run with low or no oil Open the Gas Valve by pushing it down until it stops See photo on the next page Turn the On Off Switch to the On position If the Engine is cold pull the Choke Control out Otherwise continue with the next step Slowly pull out on the Starter Pull Cord until it engages then pull out fast The Engine should start Try again in a few minutes if it does not start immediately Refer to the Robin Subaru Operator s Manual under Troubleshooting if problems persist Let the engine run for five minutes to warm up and build up pressure in the hydraulic lines If any hydraulic leaks are detected immediately turn the Engine Off After the Engine is warm push in the Choke Control to open choke Push the Throttle Control to the left for full speed Throttle Control On Off Switch Choke Control To turn off the Engine turn the On Off Switch Gas to the Off position Starter Pull Cord of Boom warning This engine r
12. er Recoil Towing Restrictions This Trencher is not approved by the Dept of Transportation for towing on public roads Check local laws for further restrictions on use Weight 1056 Ibs Save This Manual You will need the manual for the safety warnings and precautions assembly instructions operating and maintenance procedures parts list and diagram Keep your invoice with this manual Write the invoice number on the inside of the front cover Keep the manual and invoice in a safe and dry place for future reference SKU 93167 For technical questions please call 1 800 444 3353 REV 05j 07d 07f Page 3 SAFETY WARNINGS AND PRECAUTIONS WARNING When using tool basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment Read all instructions before using this tool T 2 10 11 12 13 14 Keep work area clean Cluttered areas invite injuries Observe work area conditions Keep work area well lighted and erect barricades or use other means to prevent unauthorized personnel from entering the vicinity Keep children away Children must never be allowed in the work area Do not let them handle machines tools or extension cords Store idle equipment When not in use tools must be stored in a dry location to inhibit rust Always lock up tools and keep out of reach of children Use the right tool for the job Do not attempt to force a
13. gns of Carbon Monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs get fresh air immediately Engine Preparation 1 Read and adhere to all Engine instructions and safety warnings in the Robin Subaru Operating Manual 2 Place the Trencher outdoors where it will be used This should be on a flat surface and away from flammable materials 3 Add 33 8 oz about two quarts of oil to the Engine by removing the Dip Stick and adding through its hole If the area temperature is above freezing use F SAE 10W 30 weight oil If below freez ing use F SAE 5W 30 weight oil Use a siphon to avoid spilling the oil Check the oil level with the Dip Stick It should be up to the Full mark Carefully screw the plastic Dip Stick back into the metal Engine crankcase to avoid stripping the plastic threads on the Dip Stick Caution Running the engine without oil will permanently damage the engine and void its warranty A WARNING Risk of FIRE or EXPLOSION Do not fill the Gas Tank while engine is hot allow engine to cool before filling Never use a damaged fuel tank Never overfill 4 Fillthe Gas Tank outdoors with up to 1 1 2 gallons of unleaded gasoline Do not top off tank 5 Removethe Oil Plug 89 from the Hydraulic Fluid Reservoir and verify that the reservoir is properly filled with high quality hydraulic oil Replace the Oil Plug and securely tighten REV 07f SKU 93167 For
14. hat appears damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is dam aged should be properly repaired or replaced by a qualified technician Replacement parts and accessories When servicing use only identical replacement parts Use of any other parts will void the warranty Only use accessories intended for SKU 93167 For technical questions please call 1 800 444 3353 Page 4 use with this tool Approved accessories are available from Harbor Freight Tools 15 Do not operate tool if under the influence of alcohol or drugs Read warning labels if taking prescription medicine to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate the tool 16 Maintenance For your safety service and maintenance should be performed regularly by a qualified technician Product Specific Safety Precautions Ie This unit can exert thousands of pounds of force and if used improperly can cause broken bones dismemberment or DEATH 2 Avoid Fires Flames or sparks near engine fuel can cause fire or explosion Do not spill fuel If fuel is spilled clean it up and do not start engine until fumes are gone Do not smoke while fueling or if near fuel or fumes Stop engine before fueling D
15. hen unpacking check to make sure that all of the assemblies shown below are included If any parts are missing or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible uoisue1xe quiessy1exong qnH 9 duing euiBu3 A quessy eueJJ Ajquessy 59 11 yeas jeyong woog REV 07 SKU 93167 For technical questions please call 1 800 444 3353 Page 6 ASSEMBLY With the help of one or more assistants use jacks not included to evenly raise the Frame Assembly 90 amp support with jack stands not supplied Then mount both Axles and Hub Assembly 50 near the boom end of the frame as shown at bottom Secure with Lock Pins 20 Place a Tire 52 over the four studs on each Hub Secure the Tires to the Hubs using four Lug Nuts 53 per Tire Make sure that the lug nuts are snug and centered in the holes Inflate the tires to 65 PSI Lower the Trencher and remove the jack stands Block the tires while you tighten the Lug Nuts NOTE Make sure to tighten torque the gt Lug Nuts to at least 90 Ft Lbs Clevis Pin Place the Seat 73 onto the tube at the top the Hydraulic Fluid Reser voir Attach the Control Support 3 to the Frame Assembly 90 using Pivot 38 four Hex Bolts 72 See illustration a
16. o not fuel a hot engine Stop engine and let it cool off before checking or adding fuel 3 Engine exhaust gases can kill Vent exhaust outside if used indoors or use outside Use away from any building air intakes Avoid carbon monoxide poisoning from Engine exhaust Read Warning on page 12 4 Moving parts can cause injury Keep hands hair loose clothing and tools away from moving parts such as fans belts hydraulic rams boom or boom extension and bucket assembly cuts and other injuries if released due to a break in the hydraulic hose lines or loose fittings If a break occurs immediately turn Engine off Inspect the lines carefully for leakage pinpoint leaks could result in hydraulic fluid being injected into the skin resulting in SERIOUS PERSONAL INJURY NEVER CHECK FOR A LEAK USING YOUR HANDS 5 Avoid injury from hydraulic fluid Hydraulic fluid under pressure can cause burns 6 Use the Trencher on a proper surface Locate on a flat level and solid surface that is capable of supporting the weight of the Trencher plus the load 7 Avoid accidents while towing Trencher Maximum speed while towing is 30 MPH 8 Avoid damage to engine Check oil level before each use Add oil if necessary Refer to the engine service manual provided with this product 9 Contact your local utility companies before beginning any project Buried utility lines may not be marked and if struck may cause SEVERE PERSONAL INJURY or DEATH
17. or technical questions please call 1 800 444 3353 Page 10 5 With assistance place the Hitch Coupler 58 over the vehicle s hitch ball pull the trigger push down on the Handle and release the Trigger making sure it locks in the slot Pull up and down on the Coupler to make sure the hitch ball is fitting snugly in the Coupler There should be no play between the hitch ball and Coupler If there is play tighten the Adjustment Nut until no play is present If the Adjustment Nut is too tight the Handle will not lock WARNING If the Hitch Coupler is not secured properly the ball could come loose while the Trencher is in motion possibly causing property damage or SERIOUS PERSONAL INJURY 6 Make sure to attach each side of the Safety Chain 56 equally to the towing vehicle s rear bumper or frame HANDLE TRIGGER ADJUSTMENT NUT Safety Chain 56 7 CAUTION Care must be taken when backing up the Trencher Only back up the Trencher on a straight path If the Trencher is allowed to turn off the straight path while backing up the Trencher could jackknife cauing severe damage to the Trencher and to the towing vehicle REV 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 11 SETUP warning This engine run Trencher must never be used indoors in a house or any other sealed structure without proper ventilation Carbon monoxide is produced dur ing operation and is deadly in a closed environment Early si
18. ove the Oil Plug 89 Allow the fluid to drain c Replace and tighten the Oil Plug Refill the Fluid to near the top line on the Dipstick 11 about 3 5 gallons d Purge air from the hydraulics Follow steps 11 through 19 under Purging Air From the Trencher on page 9 8 This item includes 4 seal kits for the Cylinders 26 These seal kits are intended for installation only by a qualified technician Inexperienced replacement may result in damage to the seals and or hydraulics creating the possibility of a hazardous hydraulic failure 9 Periodically apply grease to all boom axis movement points using a grease gun with a pin type tip and zerk type fitting REV 05 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 17 Lubrication Points 15 16 on back Boom Pivot 17 18 on side of both Hubs 13 14 behind tires at ends of Main Boom 10 Store a clean and dry location PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALI FIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIE
19. small tool or attachment to do the work of a larger industrial tool There are certain applications for which this tool was designed It will do the job better and more safely at the rate for which it was intended Do not modify this tool and do not use this tool for a purpose for which it was not intended Dress properly Do not wear loose clothing or jewelry as they can be caught in moving parts Protective electrically nonconductive clothes and nonskid footwear are recom mended when working Wear restrictive hair covering to contain long hair Always wear ANSI approved safety goggles heavy work gloves a hardhat and steel toed heavy work boots when setting up or using this product Do not overreach Keep proper footing and balance at all times Do not reach over or across running machines Maintain tools with care Follow instructions for lubricating and changing accessories Inspect tool hydraulic hoses periodically and if damaged have them repaired by an au thorized technician The handles must be kept clean dry and free from oil and grease at all times Remove adjusting keys and wrenches Check that keys and adjusting wrenches are removed from machine work surface before operating Avoid unintentional starting Be sure the switch is in the Off position when not in use Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired Check for damaged parts Before using any tool any part t
20. t bottom of page NOTE The Hydraulics of this unit are a 3 Hydraulic Fluid Control Engine 74 Mount Hitch Hydraulic Fluid Coupler 58 Reservoir tested before shipment There is hydraulic fluid present in many components Assemble this unit in an area that will not be damaged by leaking Clevis Pin No 1 29 hydraulic fluid and it is recommended that you wrap rags securely over the Hydraulic connectors on all the Cylin ders 26 during assembly Always wear splash resistant ANSI approved safety goggles and other protective gear to prevent injury from leaking fluid Attach the Main Boom 86 to the Boom Pivot 38 using Pin 42 through the bottom hole and Clevis Pin No 1 29 through the upper hole Secure both pins with Hair Pins 31 Pin 42 requires one Hair pin on each end See photo below Other people will need to assist in the process A p Fill Plug 11 Panel I 23 Seat 73 uc 7 T Lus 7 Boom Extension 34 Frame Assy 90 TOW CONFIGURATION REV 05 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 7 6 Mount the Boom Extension 34 to the Boom 36 using Pin 42 left and Clevis Pin No 1 29 top shown on inset to the right Secure both pins with Cotter Keys 7 Attach the towing Hitch Coupler 58 to the Frame Assembly 90 under the Engine 74 using Hex Bolts 75
21. teps that follow move the boom through its full range of travel and help to flush 11 18 19 air from the hydraulics helping to ensure better performance the future Move the Trencher to a place with wide clearance and dirt that is free from all obstructions Contact your local utility companies to ensure that this test spot has no hidden utility lines Set the trencher up in this spot and start the engine as described on the following pag es WARNING The hydraulic system is now pressurized Use caution when near the boom controls Do not allow anyone to come near the boom or bucket Nobody except the operator should be in the vicinity of the machine during use Carefully remove all Safety Locking Pins 15 and disengage the Safety Latch 41 Press forward on the Boom Swing Lever until the Boom stops moving then pull back on it until it moves fully in the other direction Center the Boom Press forward on the Main Boom Lever until the Main Boom is fully raised Then press Forward on the Boom Extension Lever until the Boom is fully extended Press forward on the Bucket Lever until the bucket is fully extended Then pull back on the lever to retract it fully Pull back on the Boom Extension Lever until the Boom Extension is pulled back all the way Pull back on the Main Boom Lever until the Main Boom is lowered completely Adjust the boom back to its rest position and replace all locking devices see below Shut off the
22. un Trencher must never be used indoors in a house or any other sealed structure without proper ventilation Carbon monoxide is produced dur ing operation and is deadly in a closed environment Early signs of Carbon Monoxide poisoning resemble the flu with headaches dizziness or nausea If you have these signs get fresh air immediately REV 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 14 Digging Depth Adjustment 1 This Trencher can be used with two arm positions See the illustration below 2 While the end of the boom is being supported Remove the Pin 42 align the cylinder with the appropriate hole insert the Pin 42 and secure it with the Hair Pin 51 Shallow Position Deep Position 51 gt downward reach 7 downward reach Main Boom 96 Main Boom 36 7 Pivot 38 Controls Operate by Pushing In or Pulling out Bucket IN OUT 7 A s Boom Extension IN OUT Main Boom IN OUT Boom Swing LEFT RIGHT Boom Operation 1 With the Engine running sit in the operator Seat 73 and pull the Main Boom handle control backward to raise the Main Boom 36 2 Pull back on the Boom Extension handle control to raise the Boom Extension 34 Push forward on the Bucket handle control to open the Bucket Assy 32 REV 07f SKU 93167 For technical questions please call 1 800 444 3353 Page 15 4 Push forward on the Boom handle to lower th
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