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HT25 - MAINTENANCE

GROUND DRIVE

HT25 - MAINTENANCE

GROUND DRIVE

Track Sprocket Bolts

Check sprocket bolts after first 50 hours and every 100 hours
thereafter. Torque bolts to 70 ft•lb (95 N•m).

Front Idler Roller

Check front idler roller for wear every 100 hours. Replace if
needed.

Track Sprocket Bolts

Check sprocket bolts after first 50 hours and every 100 hours
thereafter. Torque bolts to 70 ft•lb (95 N•m).

Front Idler Roller

Check front idler roller for wear every 100 hours. Replace if
needed.

Содержание ht25

Страница 1: ...L NUMBER RECORD Record serial number and date of purchase in spaces provided Tractor serial number is located as shown Date of Manufacture Date of Purchase Tractor Serial Number Front Attachment Serial Number Engine Serial Number Trailer Serial Number ...

Страница 2: ... at time of purchase Return damaged parts to dealer for inspection and Warranty consideration Order genuine Ditch Witch replacement or repair parts from your authorized Ditch Witch dealer Use of another manufacturer s parts may void warranty RESOURCES Publications Contact your Ditch Witch dealer for publications covering operation service and repair of your equipment Ditch Witch Training For infor...

Страница 3: ...py contact your Ditch Witch dealer If you need assistance in locating a dealer visit our website at www ditchwitch com or write to the following address The Charles Machine Works Inc Attn Marketing Department PO Box 66 Perry OK 73077 0066 USA The descriptions and specifications in this manual are subject to change The Charles Machine Works Inc reserves the right to improve equipment Some product i...

Страница 4: ...es Machine Works Inc Perry Oklahoma Ditch Witch Jet Trac Pro Tech Fluid Miser Perma Soil Modularmatic Roto Witch AutoCrowd and Subsite are registered trademarks of The Charles Machine Works Inc CMW is a trademark of The Charles Machine Works Inc Pierce Airrow is a registered trademark of Oklahoma Airrow Inc ...

Страница 5: ... Record 1 Support Procedure 2 Resources 2 FOREWORD 3 OVERVIEW 9 CONTROLS 11 Overview 11 Descriptions 12 SAFETY 19 Accessories 20 Underground Hazards 20 Emergency Procedures 21 Jobsite Classification 24 Safety Alert Classifications 28 Safety Alerts 29 ...

Страница 6: ...ion 38 Shutdown 38 TRANSPORTATION 39 Lift 39 Tiedown 40 Haul 41 Tow 44 TRENCHING 45 Control Overview 45 Control Descriptions 46 Setup 47 Operation 49 Operating Tips 51 Optional Equipment 51 BACKHOE 53 Control Overview 53 Control Descriptions 54 Setup 56 Operation 57 ...

Страница 7: ...9 Overview 60 Schedule 61 Engine 62 Ground Drive 64 Hydraulics 66 Trencher 68 Backfill Blade 71 MAINTENANCE 73 Overview 74 Engine 75 Ground Drive 80 Hydraulics 83 Electrical 84 Trencher 85 SPECIFICATIONS 93 HT25 93 A225 Backhoe 97 ...

Страница 8: ...8 HT25 CONTENTS ...

Страница 9: ...nal cab backfill blade backhoe drilling attachment and mechanical trench cleaner are available The HT25 is designed to cut trenches up to 36 in 91 cm deep and 16 in 40 cm wide 1 Digging boom 2 Lift tiedown point 3 Engine compartment 4 Rollover Protective Structure 5 Operator s position 6 Control console 7 Lift tiedown point 8 Backfill blade optional ...

Страница 10: ...10 HT25 OVERVIEW ...

Страница 11: ...ack controls 8 Horn button 9 Digging chain control 10 Glow plug control 11 Ignition switch 12 Fuel gauge 13 Start interlock indicators 14 Engine water temperature indicator 15 Engine oil pressure indicator 16 Heater fan control 17 Heater temperature control 18 Boom lift control 19 Battery disconnect 20 Hourmeter Optional See TRENCHING for a description of this control ...

Страница 12: ...CRIPTIONS DESCRIPTIONS Throttle This lever controls engine speed Push to increase speed Pull to reduce speed Accessory Socket This optional outlet can be used to provide power for work lights or other equipment ic0128h eps ...

Страница 13: ...er blade Pull to raise blade Move right to swing blade right Move left to swing blade left Work Light Switch This optional switch controls front and rear work lights Press right to turn on Press left to turn off Dome Light Switch This optional button controls interior dome light Press top to turn on Press bottom to turn off ...

Страница 14: ...r control left and right track speed and direction Push to go forward Pull to go backward Return to neutral to stop Use together to steer Engine Oil Pressure Indicator This indicator lights when oil pressure is low Light will come on briefly when engine is started If light remains on Turn off engine Check oil level Check for leaks before starting engine Ic0225h eps Ic0227h eps ic1294 eps ...

Страница 15: ...terlock Indicators To start machine these must be lit indicating the following conditions have been met Operator is in seat Track controls are in neutral Digging chain clutch is not engaged Horn Button Press button to sound horn ic0138x eps ...

Страница 16: ...ition switch all the way clockwise Ignition Switch This three position switch starts or stops engine Insert key and turn clockwise to first position Press glow plug button to warm cold engine if necessary See instructions for glow plug button Turn switch all the way clockwise Release when engine starts Key will return to first position Turn counterclockwise to stop engine If engine does not start ...

Страница 17: ... diesel fuel Engine Temperature Indicator This indicator lights if cooling system water overheats Turn off engine and let cool Check cooling system fluid level Heater Fan Control This optional knob adjusts heater fan speed Turn clockwise for faster Turn counterclockwise for slower ic1274 eps ...

Страница 18: ...r cooler Hourmeter This gauge located under seat records engine operating time Use these times to schedule lubrication and maintenance Battery Disconnect Use this optional knob located under seat to disconnect battery when servicing unit or during long term storage Turn clockwise to connect battery power Turn counterclockwise to disconnect battery power ...

Страница 19: ... tools and machinery safety equipment and work methods for jobsite Mark jobsite clearly and keep spectators away Wear personal protective equipment Review jobsite hazards safety and emergency procedures and individual responsibilities with all personnel before work begins Safety videos are available from your Ditch Witch dealer Replace missing or damaged safety shields and safety signs Use equipme...

Страница 20: ...ould meet legal and regulatory requirements Lighting Kit If you need additional light plug lighting kit into provided outlet Contact your Ditch Witch dealer for further information UNDERGROUND HAZARDS Striking underground hazards can cause explosion electrocution fire and exposure to hazardous materials Hazards include Electric lines Natural gas lines Fiber optic cables Water lines Sewer lines Pip...

Страница 21: ...ctric cables remember the following Electricity follows all paths to ground not just path of least resistance Pipes hoses and cables will conduct electricity back to all equipment Low voltage current can injure or kill Almost one third of work related electrocutions result from contact with less than 440 volts Most electric strikes are not noticeable but indications of a strike include Power outag...

Страница 22: ...ea and contact utility 3 Raise attachments and drive from immediate area 4 Contact utility company to shut off power 5 Do not return to area or allow anyone into area until given permission by utility company Off Tractor 1 DO NOT TOUCH ANY EQUIPMENT 2 LEAVE AREA 3 Contact utility company to shut off power 4 Do not return to area or allow anyone into area until given permission by utility company ...

Страница 23: ...as quickly as possible 3 Warn others that a gas line has been cut and that they should leave area 4 Contact emergency personnel 5 Contact utility company 6 Do not return to area until given permission by utility company If a Fiber Optic Cable is Damaged Do not look into cut ends of fiber optic or unidentified cable Vision damage can occur ...

Страница 24: ...bscribe to One Call Inspect jobsite and perimeter for evidence of underground hazards such as Buried utility notices Utility facilities without overhead lines Gas or water meters Junction boxes Drop boxes Light poles Manhole covers Sunken ground Have an experienced locating equipment operator sweep area within 20 feet 6 m to each side of trench path Verify previously marked line and cable location...

Страница 25: ...ht contain unmarked hazards take steps outlined previously to identify hazards and classify jobsite before working If working then classify jobsite as within 10 ft 3 m of a buried electric line electric within 10 ft 3 m of a natural gas line natural gas in sand or granite which is capable of producing crystalline silica quartz dust crystalline silica quartz dust within 10 ft 3 m of any other hazar...

Страница 26: ...ng or soft excavation Have service shut down while work is in progress Have electric company test lines before returning them to service Natural Gas Jobsite Precautions In addition to positioning equipment upwind from gas lines use one or both of these methods Expose lines by careful hand digging or soft excavation Have gas shut off while work is in progress Have gas company test lines before retu...

Страница 27: ...espirators are required wear one approved for protection against crystalline silica containing dust Do not alter respirator in any way Workers using tight fitting respirators cannot have beards mustaches which interfere with respirator s seal to the face 5 If possible change into disposable or washable work clothes at jobsite shower and change into clean clothing before leaving jobsite 6 Do not ea...

Страница 28: ...ER WARNING and CAUTION Learn what each level means indicates an imminently hazardous situation which if not avoided will result in death or serious injury indicates a potentially hazardous situation which if not avoided could result in death or serious injury indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Watch for two other words NOTICE and...

Страница 29: ...f arm or leg Stay away Turning shaft will kill you or crush arm or leg Stay away Electric shock Contacting electric lines will cause death or serious injury Know location of lines and stay away Deadly gases Lack of oxygen or presence of gas will cause sickness or death Provide ventilation ...

Страница 30: ...ork methods Use and maintain proper safety equipment Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away Moving parts could cut off hand or foot Stay away Rollover possible If machine rolls over you could be thrown from seat and killed or crushed Wear seat belt ...

Страница 31: ...erty damage Learn to use equipment correctly Looking into fiber optic cable could result in permanent vision damage Do not look into ends of fiber optic or unidentified cable Fluid or air pressure could pierce skin and cause injury or death Stay away Runaway possible Machine could run over you or others Learn how to use all controls Start and operate only from operator s position ...

Страница 32: ...th or serious injury could result Avoid moving vehicles wear high visibility clothing post appropriate warning signs Hot pressurized cooling system fluid could cause serious burns Allow to cool before servicing Improper control function could cause death or serious injury If control does not work as described in instructions stop machine and have it serviced ...

Страница 33: ...l Exposure to high noise levels may cause hearing loss Wear hearing protection Fall possible Slips or trips may result in injury Keep area clean Battery acid may cause burns Avoid contact Improper handling or use of chemicals may result in illness injury or equipment damage Follow instructions on labels and in material safety data sheets MSDS ...

Страница 34: ...34 HT25 SAFETY SAFETY ALERTS ...

Страница 35: ...l signs guards and shields are in place and readable Service machine according to schedules in LUBRICATION and MAINTENANCE and in engine manufacturer s guide Incorrect procedures could result in death injury or property damage Learn to use equipment correctly NOTICES Read operator s manual before operating equipment Follow instructions carefully Contact your Ditch Witch dealer for operation inform...

Страница 36: ...eatbelt 2 Check that track controls and digging chain control are in neutral position 3 Move hand throttle to 1 2 open Runaway possible Machine could run over you or others Learn how to use all controls Start and operate only from operator s position 4 If starting in cold weather press glow plug button for appropriate length of time See CONTROLS for more information sf1008 ...

Страница 37: ...econds allow starter to cool before trying to start again 6 After engine is started run engine at half throttle or less for five minutes before operating tractor During warm up check that all controls work properly Improper control function could cause death or serious injury If control does not work as described in instructions stop machine and have it serviced sf1020 ...

Страница 38: ...cles wear high visibility clothing post appropriate warning signs SHUTDOWN 1 When job is complete move track controls to neutral 2 Lower attachments to ground or stowed position 3 Move throttle to idle and let machine idle for 3 minutes to cool engine 4 Turn key to stop position If leaving machine unattended remove key 5 For maintenance or long term storage turn optional battery disconnect switch ...

Страница 39: ...ifting decals Lifting at any other point can be unsafe and can damage machinery Lifting Unit Before lifting check SPECIFICATIONS Use a hoist capable of supporting equipment s size and weight Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away sf1026 ...

Страница 40: ...nts Tiedown points are identified by tiedown decals Securing unit to trailer at any other points may be unsafe and can damage machinery Tie Down Unit Attach tiedowns at front and rear tiedown points Make sure tiedowns are tight before transporting unit ...

Страница 41: ...ator s manual before loading or transporting your machine Incorrectly loaded machine can slip or cause trailer sway Park load and unload trailer on a level part of jobsite Check that unit and trailer do not exceed size or weight regulations Rollover possible If machine rolls over you could be thrown from seat and killed or crushed Wear seat belt sf1014 sf1011 ...

Страница 42: ...ep them low NOTICE Stability is reduced if digging boom is offset 3 Slowly drive tractor onto trailer until tiedown position is reached 4 Lower backfill blade and digging boom to trailer bed and turn off engine 5 Securely chain tractor and digging boom to trailer using tiedowns NOTICE Check that unit and trailer do not exceed size or weight regulations ...

Страница 43: ...are in neutral 2 Remove tiedowns 3 Fasten seatbelt and start engine Rollover possible If machine rolls over you could be thrown from seat and killed or crushed Wear seat belt 4 Raise backfill blade and digging boom but keep them low 5 Slowly drive tractor off trailer sf1011 ...

Страница 44: ...f unit becomes disabled and towing is necessary tow for short distances at less than 1 mph 1 6 km h do not tow for more than 200 yd 183 m steering will be through tow vehicle only 1 Attach tow line to tiedown points nearest the towing vehicle 2 Fasten seat belt and begin towing IMPORTANT Tracks will not move 3 Use tow vehicle or other lifting device to load unit onto trailer sf1027 ...

Страница 45: ...HT25 TRENCHING 45 CONTROL OVERVIEW TRENCHING CONTROL OVERVIEW 1 Boom lift control 2 Digging chain control ...

Страница 46: ...Control This lever raises or lowers digging boom Push to lower Pull to raise Digging Chain Control This switch starts the digging chain Slide orange tab down and press top of switch to start digging chain Press bottom of switch to stop digging chain ic0127h eps ic1035 eps ...

Страница 47: ... cause death or serious injury Know location of lines and stay away NOTICE Cutting high voltage cable can cause electrocution Expose lines by hand before digging Incorrect procedures can result in death injury or property damage Learn to use equipment correctly NOTICE Cutting or drilling through concrete and rock that contain sand or quartz may result in exposure to silica dust that can cause lung...

Страница 48: ... 3 Raise boom and backfill blade 4 Adjust throttle and drive to starting point Move in line with planned trench 5 Lower backfill blade 6 Lower boom to just above the ground 7 Check that digging chain control and track controls are in neutral 8 Check that boom is in line with planned trench ...

Страница 49: ...HAIN WILL MOVE Moving digging teeth will cause death or serious injury Stay away NOTICES Machine might lunge when digging starts Allow 3 feet 1 m between digging teeth and obstacle Keep everyone at least 6 feet 2 m from machine attachments and their range of movement Flying objects thrown by machine may strike people Wear hard hat and safety glasses sf1023 ...

Страница 50: ...ols forward to trenching speed 8 When trench is complete move track controls to neutral 9 Move throttle to half open 10 Raise boom As boom clears top of trench move digging chain control to neutral 11 Drive forward lower backfill blade and boom 12 Move throttle to idle and let machine idle for three minutes to cool engine 13 Turn ignition switch to stop position ...

Страница 51: ... be removed manually turn engine off Before operating with rock chains check bits for free rotation Tap bits lightly with a hammer and turn by hand If bits are stuck remove and clean packed soil from bit block Carbide bits are recommended for cutting abrasive material such as sandstone or frozen sands or gravels OPTIONAL EQUIPMENT Chain A variety of chains teeth and tooth patterns are available to...

Страница 52: ...52 HT25 TRENCHING ...

Страница 53: ...HT25 BACKHOE 53 CONTROL OVERVIEW BACKHOE CONTROL OVERVIEW 1 Bucket dipper control 2 Boom swing control 3 Position adjustment sleeves 4 Stow lock ...

Страница 54: ...ontrol to stowed position Release sleeve NOTICE Do not operate backhoe with control in the stowed upright position Component failure could occur Return control to stowed position when finished operating Bucket Dipper Control This control opens or closes bucket and moves dipper in or out Move right to open bucket Move left to close bucket Pull to move dipper in Push to move dipper out Control can p...

Страница 55: ...wer Control can perform more than one action at a time Using them together operator can feather or combine backhoe operations Stow Lock This control locks boom during transport To lock Turn handle counterclockwise Raise boom fully Release handle Boom will settle into latch To release Lift boom slightly Turn handle counterclockwise to release latch Lower boom slightly Release handle ic0042c eps ...

Страница 56: ... position 2 Lower rear attachment to 6 in 152 mm above ground 3 Check that backfill blade is straight and lower it to ground 4 Adjust throttle NOTICE Engine speed affects speed of backhoe operation 5 Raise boom to release tension on stow lock 6 Release stow lock ...

Страница 57: ...linewithdipperas much as possible Position bucket so teeth cut soil As soil is cut curl bucket under dipper Move dipper and bucket together Increasing engine speed will not increase backhoe force 2 When hole or trench is complete lift boom while keeping dipper pointed at ground 3 Curl bucket closed and move dipper fully toward boom 4 Lift boom to highest position and latch stow lock om1761x om1762...

Страница 58: ...58 HT25 BACKHOE ...

Страница 59: ...ess otherwise instructed all service should be performed with engine off Refer to engine manufacturer s manual for engine maintenance instructions Before servicing equipment lower unstowed attachments to ground Recommended Lubricants DEO Diesel engine oil SAE 10W40 meeting API engine service classification SF CD or CE EPG Extreme pressure grease MPL Multipurpose gear oil SAE 80W90 meeting API serv...

Страница 60: ...60 HT25 LUBRICATION OVERVIEW OVERVIEW DEO 10W40 diesel engine oil THF Tractor hydraulic fluid MPL 80W90 Multipurpose lubricant EPG Extreme pressure grease Filter Check ...

Страница 61: ... blade pivot 71 50 hours Change engine oil and filter initial 63 Change hydraulic oil filter initial 67 Check trencher gearbox oil 70 Change trencher gearbox oil initial 70 100 hours Check track planetary oil 65 Change track planetary oil initial 65 150 hours Change engine oil and filter 63 250 hours Change hydraulic oil filter 67 500 hours Change trencher gearbox oil 70 1000 hours Change track pl...

Страница 62: ...62 HT25 LUBRICATION ENGINE ENGINE Ref Task Hours Lubricant 2 Check engine oil 10 DEO 1 3 4 Change engine oil and filter initial 50 DEO 1 3 4 Change engine oil and filter 150 DEO ...

Страница 63: ... 2 as necessary to keep oil level at highest line on dipstick Change Change oil and filter after first 50 hours of operation and every 150 hours thereafter Change oil more frequently if working in dusty conditions Drain crankcase through drain 2 while oil is warm Replace filter 1 each time oil is changed Refill with DEO at fill neck om0448h eps 1 2 ...

Страница 64: ...64 HT25 LUBRICATION GROUND DRIVE GROUND DRIVE Task Hours Lubricant Check track planetary oil 100 MPL Change track planetary oil initial 100 MPL Change track planetary oil 1000 MPL ...

Страница 65: ...plugs Fill at one plug and use the other to check oil level Change Change oil after first 100 hours of operation and every 1000 hours thereafter To change Position gearbox as shown Remove both plugs and drain the oil Position gearbox with plugs aligned horizontally Fill at one plug and use the other to check oil level om0450h eps om0456h eps ...

Страница 66: ... HT25 LUBRICATION HYDRAULICS HYDRAULICS Ref Task Hours Lubricant 2 Check hydraulic oil 10 THF 4 Change hydraulic oil filter initial 50 4 Change hydraulic oil filter 250 1 3 4 Change hydraulic oil 1000 THF ...

Страница 67: ...ours Add THF at fill 3 as necessary Clean dust from cap by blowing with low pressure air Change Change oil filter at 50 hours and every 250 hours thereafter Drain hydraulic oil 1 change filter 4 and refill with THF every 1000 hours Change oil and filter every 500 hours if jobsite temperature exceeds 100 F 38 C more than 50 of the time ...

Страница 68: ...Task Hours Lubricant 1 Lube tail roller 10 EPG 2 Lube pivot 10 EPG 3 Lube outboard bearing centerline attachments only 10 EPG 4 Check trencher gearbox oil 50 MPL 4 Change trencher gearbox oil initial 50 MPL 4 Change trencher gearbox oil 500 MPL ...

Страница 69: ...rk clean and lube every 10 hours with EPG Tail Roller Wipe zerk clean and lube every 10 hours with EPG Outboard Bearing On centerline attachments wipe zerk clean and lube every 10 hours with EPG Offset attachment bearing does not need greasing ...

Страница 70: ... oil at fill plug 1 every 50 hours Keep oil level at plug If necessary add MPL at fill plug Change Change oil after 50 hours and every 500 hours thereafter Drain at drain plug 2 Replace drain plug and add MPL at fill plug until oil is level with plug ...

Страница 71: ...HT25 LUBRICATION 71 BACKFILL BLADE BACKFILL BLADE Pivot Wipe zerk clean and lube every 10 hours with EPG ...

Страница 72: ...72 HT25 LUBRICATION ...

Страница 73: ...ry or property damage Learn to use equipment correctly NOTICES Unless otherwise instructed all service should be performed with engine shut off Refer to engine manufacturer s manual for engine maintenance instructions Before servicing equipment lower unstowed attachments to ground ...

Страница 74: ... bolts 88 Check attachment mounting bolts 88 Check personnel restraint bar bolts 88 50 hours Check fan belt 77 Check air filter 79 Check track sprocket bolts initial 82 100 hours Change fuel filter 76 Change in line fuel filter 76 Check track sprocket bolts 82 Check front idler roller 82 250 hours Change air filter 79 500 hours Replace fan belt 77 2000 hours Change coolant 78 As needed Adjust trac...

Страница 75: ...ENGINE ENGINE Ref Task Hours 4 Check coolant level 10 3 Check fan belt 50 2 Check air filter 50 1 Change fuel filter 100 5 Change in line fuel filter 100 2 Change air filter 250 3 Replace fan belt 500 4 Change coolant 2000 ...

Страница 76: ... access fuel filters remove rear engine access panel Change Change fuel filter and inline fuel filter every 100 hours To change Remove filter Install new filter Apply fuel oil thinly over the gasket and hand tighten Air bleed the injection pump ...

Страница 77: ...rn off engine and remove key Apply moderate thumb pressure to belt between pulleys as shown Belt is properly tensioned when deflection is about 0 28 to 0 35 in 7 to 9 mm If needed loosen alternator bolts shown and pull alternator out until correct tension is reached Replace Replace belt every 500 hours om0466h eps ...

Страница 78: ...d heavy duty engine coolant meeting ASTM specification D6210 TMC RP329 or John Deere specification JDM H24A2 Do not fill over FULL mark on tank Check clamps and hoses for looseness or wear Tighten loose clamps Replace swollen hardened or cracked hoses Change Change coolant every 2000 hours Allow engine to cool Open two drains 3 4 and radiator cap and drain coolant Drain overflow tank Close drains ...

Страница 79: ...ften if working in dusty conditions Change Change air filter every 250 hours or when yellow band in air filter service indicator reaches red line 1 Open air filter housing 2 Remove primary 2 and safety 1 elements 3 Wipe inside of housing and wash end cup 4 Insert new primary and safety elements 5 Close air filter case 6 Reset air filter service indicator om0465h eps 1 2 ...

Страница 80: ...25 MAINTENANCE GROUND DRIVE GROUND DRIVE Ref Task Hours 3 Check track tension 10 1 Check sprocket bolts initial 50 1 Check sprocket bolts 100 4 Check front idler roller 100 2 3 Adjust track tension As needed ...

Страница 81: ...ck Check track tension every 10 hours Measure length of spring as shown When tracks are correctly tensioned spring should measure 9 1 2 in 241 mm Adjust To increase track tension turn screw clockwise To reduce track tension turn screw counterclockwise ...

Страница 82: ...OUND DRIVE Track Sprocket Bolts Check sprocket bolts after first 50 hours and every 100 hours thereafter Torque bolts to 70 ft lb 95 N m Front Idler Roller Check front idler roller for wear every 100 hours Replace if needed ...

Страница 83: ...engine off and operate all controls to relieve pressure Lower block or support any raised component Cover connection with heavy cloth and loosen connector nut slightly to relieve residual pressure Catch all fluid in container Hoses Check hoses every 10 hours for wear or damage Replace as needed ...

Страница 84: ...ry Check battery connections for wear or corrosion Keep connections clean and tight Batteries supplied by factory are maintenance free Service replacement batteries according to manufacturer s instructions Fuses Change fuses as needed Replace blown fuses with spares in fuse box om0464h eps ...

Страница 85: ...k Hours 1 Check digging chain teeth 10 2 Check digging chain 10 3 Check adjust digging chain tension 10 4 Check boom mounting bolts 10 6 Check attachment mounting bolts 10 5 Check personnel restraint bar bolts 10 2 Replace digging chain As needed ...

Страница 86: ...ur Ditch Witch dealer for information about the tooth pattern best suited to your jobsite If using rock chain bits check that bits rotate freely Clean chain and check bits after each use Replace bit when tungsten cap or insert is worn or adapter can be damaged Chain Check chain every 10 hours Replace worn or broken chains If sidebars are bent or loose on chain pins chain spacers should be used to ...

Страница 87: ...ylinder at check valve zerk 1 NOTICE Do not overtension chain Premature chain failure could result To relieve digging chain tension stand on opposite side of boom and unscrew check valve zerk 1 to release grease Fluid pressure could pierce skin and cause injury or death Stay away NOTICE Service digging boom grease cylinder only while standing on opposite side of boom Wear gloves and safety glasses...

Страница 88: ... necessary to keep bolts and nuts tight Attachment Mounting Bolts Check two upper and two lower bolts every 10 hours for looseness or wear Torque as necessary to keep bolts and nuts tight Personnel Restraint Bar Check one bolt every 10 hours for looseness or wear Torque as necessary to keep bolt and nut tight ...

Страница 89: ... chain Replace sprockets when a new chain is installed To remove chain 1 Start unit following directions in OPERATION 2 Turn digging chain until connector pin is on top of boom 3 Lower boom to ground 4 Stop engine 5 Secure chain by clamping links on either side of connector pin with chain jaws Squeeze jaws to reduce pressure on connector pin 6 Loop cable through links nearest connector pin om1752x...

Страница 90: ...er fitting with cloth when relieving pressure in cylinder 7 Loosen plug on grease cylinder to relieve chain tension 8 Stand clear of chain and remove lock key from connector pin Drive connector pin out of link Crushing weight could cause death or serious injury Use proper procedures and equipment or stay away 9 Unclamp links Slowly release cable and lower chain to ground 10 Lay chain on ground wit...

Страница 91: ...5 cm 4 Lower backfill blade to ground 5 Lower boom to horizontal position 6 Stop engine 7 Pull rear end of chain over and about 10 in 26 cm past tail roller 8 Use hoist to pull front end of chain over head shaft sprocket 9 Move chain down boom until chain connector pin and lock key can be installed Install connector pin and lock key 10 Tighten chain by pumping EPG into grease cylinder ...

Страница 92: ...92 HT25 MAINTENANCE ...

Страница 93: ... DIMENSIONS U S METRIC A Max trench depth 39 in 99 cm A2 Angle of approach 19 19 A3 Angle of departure 18 18 B Max trench width 16 in 40 6 cm C Boom angle down 53 53 C1 Boom angle up 50 50 H1 Height top of cab 80 in 203 cm L2 Basic unit length transport 120 in 304 8 cm L4 Centerline of track hub to hub 39 in 99 cm W2 Width transport 35 5 in 90 2 cm ...

Страница 94: ...ht auger Diameter 10 5 in 26 7 cm Length 12 2 in 31 cm Offset auger optional Diameter 10 5 in 26 7 cm Length 16 4 in 41 7 cm OPERATIONAL U S METRIC Vehicle speeds Maximum transit forward 3 mph 4 8 km h Maximum transit reverse 2 mph 3 2 km h Digging chain speed 3000 engine rpm 364 fpm 111 m min Headshaft speed 3000 engine rpm 180 rpm 180 r min Operating weight with 3 ft 9 m boom backfill blade cab ...

Страница 95: ...ore aft 30 30 Maximum tilt angle side 30 30 Engine manufacturer s gross power rating 3150 rpm 25 hp 18 6 kW Maximum governed speed as installed no load 3160 rpm 3160 r min Flywheel horsepower full load 22 hp 16 4 kW POWER DELIVERY SYSTEM Ground drive Dual hydrostatic drive infinitely variable from zero to maximum hand lever operated speed direction control Service brake Ground drive speed directio...

Страница 96: ...mp relief track slip Auxiliary pump Pump capacity 3000 rpm 6 7 gpm 25 2 L min Pump relief 2320 psi 160 bar FLUID CAPACITIES Fuel tank 6 gal 22 7 L Engine lubrication oil including filter 4 5 qt 4 3 L Track drive planetary 1 5 qt 1 4 L Engine cooling system 6 0 qt 5 7 L Hydraulic system 10 1 gal 38 2 L Hydraulic reservoir 8 7 gal 32 9 L BATTERY Group 26 26R 70 SAE cold crank 0 F 18 C 675 amp NOISE ...

Страница 97: ...clearance 20 in 50 8 cm D Backhoe length stowed 62 in 1 58 m F Digging depth max 68 in 1 73 m G Digging depth 2 ft 0 6 m flat bottom 64 in 1 63 m J Operating height fully raised 93 in 2 36 m K Loading height 55 75 in 1 42 m L Loading reach 45 in 1 14 m M Reach from swing pivot 103 in 2 62 m P Bucket rotation 176 176 ...

Страница 98: ...027 m3 Backhoe weight with bucket 780 lb 353 8 kg Lift capacity boom over end and swing arc SAE at 36 in 9 m 154 lb 70 kg at ground level 359 lb 162 8 kg Lift capacity dipperstick over end and swing arc SAE at 41 in 1 04 m 180 lb 81 7 kg at 62 in 1 6 m 140 lb 63 5 kg Swing arc 170 170 ...

Страница 99: ...ackreamers and swivels All incidental or consequential damages All defects damages or injuries caused by misuse abuse improper installation alteration neglect or uses other than those for which products were intended All defects damages or injuries caused by improper training operation or servicing of products in a manner inconsistent with manufacturer s recommendations All engines and engine acce...

Страница 100: ...ly remanufactured replacements parts under this warranty as it deems appropriate Extended warranties are available upon request from your local Ditch Witch dealer or CMW Some states do not allow exclusion or limitation of incidental or consequential damages so above limitation of exclusion may not apply Further some states do not allow exclusion of or limitation of how long an implied warranty las...

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