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CMW Ditch Witch SK350, Operator'S Manual

The CMW Ditch Witch SK350 Operator's Manual is essential for operating and maintaining your equipment properly. You can download this manual for free from our website, ensuring that you have all the necessary information at your fingertips. Get your manual today and keep your SK350 running smoothly.

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Service - 52

SK350 Operator’s Manual

10 Hour

CMW

Check Hydraulic Fluid Level

Check hydraulic fluid level every 10 hours. Maintain fluid level at halfway point on sight glass (1), when 
engine is off and fluid is cool. If low, add THF at fill (2).

Check Track Tension

Check track tension every 10 hours and adjust as needed. Turn bolt (1) clockwise to tighten and 
counterclockwise to loosen. Track tension is correct when dimension A is 8 5/8” (219 mm) ±.250” (6.4 
mm).

IMPORTANT: Dimension A is the overall spring length, compressed.

Summary of Contents for Ditch Witch SK350

Page 1: ...SK350 Operator s Manual Issue 3 1 Original Instruction CMW...

Page 2: ...tor s Manual Overview 1 CMW Overview Chapter Contents Serial Number Location 2 Intended Use 3 Unit Components 3 Operator Orientation 4 About This Manual 4 Bulleted Lists 4 Numbered Lists 4 Continued I...

Page 3: ...Serial Number Location CMW Serial Number Location Record serial numbers and date of purchase in spaces provided Unit serial number is located as shown Item date of manufacture date of purchase unit s...

Page 4: ...ended use The SK350 should be operated serviced and repaired only by persons familiar with its particular characteristics and acquainted with the relevant safety procedures Equipment Modification This...

Page 5: ...of this machine Cross references such as See page 50 will direct you to detailed procedures Bulleted Lists Bulleted lists provide helpful or important information or contain procedures that do not ha...

Page 6: ...copy 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...

Page 7: ...005 2006 2007 2008 2011 2014 by The Charles Machine Works Inc Ditch Witch CMW AutoCrowd Modularmatic Jet Trac Roto Witch Subsite Fluid Miser Perma Soil Power Pipe Super Witch Super Witch II Pierce Air...

Page 8: ...allation path if needed preparing the jobsite for work and connecting attachments 23 Drive procedures for startup cold start driving and shutdown 31 Transport procedures for lifting hauling and towing...

Page 9: ...Contents 8 SK300 Operator s Manual CMW...

Page 10: ...ntents Guidelines 10 Safety Alert Classifications 11 Safety Alerts 12 Emergency Procedures 15 Electric Strike Description 15 If an Electric Line is Damaged 16 If a Gas Line is Damaged 16 If a Fiber Op...

Page 11: ...zards and use correct 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 a...

Page 12: ...levels DANGER 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...

Page 13: ...e 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 Jobsite hazards could cause death or seri...

Page 14: ...rviced 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 dea...

Page 15: ...or s manual for tip capacity Flying objects may cause injury Wear hard hat and safety glasses Hot parts may cause burns Do not touch until cool Exposure to high noise levels may cause hearing loss Wea...

Page 16: ...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 electro...

Page 17: ...The ground surface may be electrified so take small steps with feet close together to reduce the hazard of being shocked from one foot to the other For more information contact your Ditch Witch dealer...

Page 18: ...s on Fire Perform emergency shutdown procedure and then take the following actions The order and degree of action will depend on the situation Immediately move battery disconnect switch if equipped to...

Page 19: ...Safety 18 SK350 Operator s Manual Emergency Procedures CMW...

Page 20: ...ntrols 1 Throttle 2 Choke 3 Left track drive control 4 Right track drive control 5 Tachometer Hourmeter 6 Lift arm control 7 Attachment drive control 8 Ignition switch 9 Jumper terminal 10 Attachment...

Page 21: ...m neutral To stop move to neutral To turn right move left control forward and right control back To turn left move right control forward and left control back To counter rotate in either direction mov...

Page 22: ...ows attachment to follow ground contour 7 Attachment drive control To engage attachment drive in reverse lift lever release then push to left To engage attachment drive in forward lift lever release t...

Page 23: ...edal To return attachment drive control to neutral release pedal IMPORTANT Use this control to hold attachment control in the on position when hands are busy operating lift arm controls or track drive...

Page 24: ...ound Penetrating Jobs 24 Above Ground Jobs 24 Inspect Site 25 Identify Hazards 25 Classify Jobsite 26 Inspect Jobsite 26 Select a Classification 26 Apply Precautions 27 Check Supplies and Prepare Equi...

Page 25: ...ol If working near a road or other traffic area contact local authorities about safety procedures and regulations Plan for Emergency Services Have the telephone numbers for local emergency and medical...

Page 26: ...ground See Classify Jobsite on page 26 Jobsite hazards could cause death or serious injury Use correct equipment and work methods Use and maintain proper safety equipment NOTICE Wear personal protecti...

Page 27: ...pment operator sweep area within 20 6 m to each side of work path Verify previously marked line and cable locations Mark location of all buried utilities and obstructions Classify jobsite Select a Cla...

Page 28: ...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 returning them to service Crysta...

Page 29: ...ic fluid battery charge engine oil Condition and Function digging chain and teeth filters air oil hydraulic tracks pumps and motors hoses and valves signs guards and shields Accessories Fire Extinguis...

Page 30: ...al position 8 Apply parking brake 9 Turn ignition switch off and remove key 10 Rotate lock pin handles toward center of mount plate to secure attachment to lift plate IMPORTANT Use only Ditch Witch ap...

Page 31: ...rized fluid can cause injury or pierce skin and poison Before disconnecting a hydraulic line turn engine off and operate all controls to relieve pressure Lower block or support any raised component wi...

Page 32: ...SK350 Operator s Manual Drive 31 CMW Drive Chapter Contents Start Engine 32 Drive 32 Shut Down 34...

Page 33: ...ll lift arm control to raise mount plate and attachment off ground 3 Move both track drive controls to forward or reverse See page 20 4 Adjust throttle as needed NOTICE If jump starting is required se...

Page 34: ...te limits which must never be exceeded These maximums are stated below since they are design limits These design limits usually exceed the operating limits and must never be used alone to establish sa...

Page 35: ...Move all controls to neutral position 3 Apply parking brake 4 Run engine at full throttle for three minutes to cool 5 Turn ignition switch to STOP 6 Remove key NOTICE Unit should not be parked on a sl...

Page 36: ...SK350 Operator s Manual Transport 35 CMW Transport Chapter Contents Lift 36 Points 36 Procedure 36 Haul 37 Inspect Trailer 37 Hitch Trailer 37 Load 38 Tie Down 39 Unload 40 Unhitch Trailer 40 Tow 41...

Page 37: ...can damage machinery Procedure Use a hoist capable of supporting the equipment s size and weight See Specifications on page 67 or measure and weigh equipment before lifting Use four lift points Attac...

Page 38: ...ssion into first or reverse gear or automatic transmission into park Turn off ignition Set parking brake 3 Connect trailer drawbar lunette or coupler to tow vehicle hitch and lock in place with lock p...

Page 39: ...t to trailer bed 8 Apply parking brake 9 Ensure that all controls are in neutral position 10 Turn ignition switch to STOP 11 Tie down unit Crushing weight If load falls or moves it could kill or crush...

Page 40: ...Tie Down Points Tiedown points are identified by tiedown decals Securing to truck or trailer at other points is unsafe and can damage machinery Procedure Loop tiedowns around unit at tiedown points Ma...

Page 41: ...cle and trailer on level ground 2 Put manual transmission into first or reverse gear or automatic transmission into park Turn off ignition Set parking brake 3 Block trailer wheels 4 Reverse Hitch Trai...

Page 42: ...cessary attach chains to tow points facing towing vehicle tow for short distances at less than 1 mph 1 6 km h do not tow for more than 100 30 m use no more than 1 300 lb 5800 N of towing force disenga...

Page 43: ...Tow CMW 3 Locate bypass valves on top of each of the upper pumps Turn each valve two turns counterclockwise to open 4 After towing turn each valve two turns clockwise to close NOTICE Bypass valves on...

Page 44: ...SK350 Operator s Manual Complete the Job 43 CMW Complete the Job Chapter Contents Rinse Equipment 44 Disconnect Attachment 44 Stow Tools 44...

Page 45: ...all controls are in neutral 3 Turn off engine 4 Apply parking brake 5 Disengage lock pins by turning handles away from center of attachment 6 Cycle attachment drive control and disconnect hydraulic h...

Page 46: ...l Service 45 CMW Service Chapter Contents Service Precautions 46 Overview 48 Recommended Lubricants Service Key 49 Oil Temperature Chart 50 10 Hour 51 50 Hour 54 100 Hour 58 200 Hour 59 250 Hour 60 50...

Page 47: ...er s manual for engine maintenance instructions Before servicing equipment lower unstowed attachments to ground NOTICE When cleaning equipment do not spray electrical components with water Explosion p...

Page 48: ...n possible Serious injury or equipment damage could occur Follow directions carefully NOTICE Disconnect battery to prevent damage to battery Do not turn off battery disconnect switch with engine runni...

Page 49: ...Service 48 SK350 Operator s Manual Overview CMW Overview...

Page 50: ...on page 69 Item Description GEO Gasoline engine oil meeting or exceeding SG SH or SJ per the API service classifications and SAE viscosity recommended by engine manufacturer SAE 10W30 THF Tractor hydr...

Page 51: ...Operator s Manual Engine Oil Temperature Chart CMW Engine Oil Temperature Chart For more information on engine lubrication and maintenance see your engine manual Temperature range anticipated before...

Page 52: ...evel should be at top of marking If low add 10W30 Check with unit on level surface and at least 15 minutes after stopping engine Location Task Notes Traction Unit Check engine oil level GEO SAE 10 W 3...

Page 53: ...nt on sight glass 1 when engine is off and fluid is cool If low add THF at fill 2 Check Track Tension Check track tension every 10 hours and adjust as needed Turn bolt 1 clockwise to tighten and count...

Page 54: ...elieve pressure Lower block or support any raised component with a hoist Cover connection with heavy cloth and loosen connector nut slightly to relieve residual pressure Catch all fluid in a container...

Page 55: ...ible Serious injury or equipment damage could occur Follow directions carefully NOTICE Battery gas can explode Keep sparks and flames away from battery Always remove negative battery cable first and r...

Page 56: ...y Replace if cracked stretched or badly worn Tensioner should be set at 2 5 3 increment marks To adjust 1 Loosen bolt on tensioner 1 2 Apply wrench to large nut 2 3 Tighten tensioner until the fixed b...

Page 57: ...oil cooler every 50 hours Clean more frequently if operating in dusty conditions Clean with compressed air or low pressure water NOTICE When dirty change the elements do not attempt to clean them Com...

Page 58: ...SK350 Operator s Manual Service 57 50 Hour CMW Change Hydraulic Fluid Filter initial Change hydraulic fluid filter at 50 hours for break in process then change every 250 hours...

Page 59: ...in oil at drain plug 1 and add GEO 10W30 at filler 2 until oil level is seen at marking Change Engine Oil Filter Change engine oil filter every 100 hours Location Task Notes Traction Unit Change engin...

Page 60: ...SK350 Operator s Manual Service 59 200 Hour CMW 200 Hour Location Task Notes Traction Unit Check spark plugs and gap See engine operator s manual for instructions...

Page 61: ...Air Filter Change air filter every 250 hours 1 Open air filter housing at latches 1 2 Remove primary 2 and secondary 3 elements 3 Wipe inside of housing and wash end cup 4 Insert new primary and secon...

Page 62: ...our CMW 500 Hour Change Hydraulic Fluid Change hydraulic fluid every 500 hours Drain fluid at drain plug 3 and add THF at fill 1 until fluid level is at halfway point on sight glass 2 Location Task No...

Page 63: ...ting service 2 Engage parking brake 3 Remove key from ignition switch 4 Open hood and note routing and alignment of belt Drive belt goes in pulley groove closest to the cooling fan Location Task Notes...

Page 64: ...s to contact belt 9 Adjust belt tension See page 55 for belt adjustment procedure 10 Start engine and check operation 11 Stop engine open hood and re check belt alignment 12 Close hood Moving parts co...

Page 65: ...ious injury or equipment damage could occur Follow directions carefully NOTICES Lead acid batteries vent explosive hydrogen gas when charging Do not smoke create sparks or use flames around batteries...

Page 66: ...current flow to start a dead discharged battery Read all steps thoroughly and review illustration before performing procedure Jump Start Procedure Engine Off 1 Park service vehicle close to disabled e...

Page 67: ...hicle 12 If engine starts operate at 1500 2000 rpm for a few minutes to build an electrical charge in the battery 13 Remove black negative cable clamp from the disabled engine or frame ground first 14...

Page 68: ...ic H Overall height 42 5 in 1 1 m L Overall length 58 2 in 1 5 m Weight 1660 lb 753 kg H2 Hinge pin height max 70 4 in 1 8 m L2 Wheelbase track length 30 in 762 mm W Track width max 35 1 in 892 mm Gro...

Page 69: ...ent the actual operating capacity of the attachment may vary 350 lb 158 kg A2 Angle of departure 18 18 Swing radius 35 in 889 mm Performance U S Metric Ground drive speed forward 3 0 mph 4 8 km h Grou...

Page 70: ...uld be weighed and measured Due to selected options delivered equipment may not necessarily match that shown Fluid Capacities U S Metric Fuel tank 7 5 gal 28 4 L Engine oil including filter 2 qt 1 9 L...

Page 71: ...Specifications 70 SK350 Operator s Manual Basic Unit CMW...

Page 72: ...chase Return damaged parts to dealer for inspection and warranty consideration if in warranty time frame Order genuine Ditch Witch replacement or repair parts from your authorized Ditch Witch dealer U...

Page 73: ...POSE AND MERCHANTABILITY IF THE PRODUCTS ARE PURCHASED FOR COMMERCIAL PURPOSES AS DEFINED BY THE UNIFORM COMMERCIAL CODE THEN THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE FACE HEREOF AND THERE ARE...

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Page 76: ...SK350 Operator s Manual Service Record 75 CMW Service Record Service Performed Date Hours...

Page 77: ...CMW Service Record 76 SK350 Operator s Manual Service Performed Date Hours...

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