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Owner’s Manual 

2965020 (3700LS-H) 

Instructions for Assembly, Testing, Operation, 

Servicing, & Storage 

 

Log Splitter: Outdoor hydraulic powered machine that 

splits wood logs. 

 

WARNING 

READ and UNDERSTAND this manual completely before using log splitter. 

All operators of this equipment must read and completely understand all safety information, operating instructions, 
maintenance and storage instructions.  Failure to properly operate and maintain the log splitter could result in serious 
injury to the operator or bystanders from moving parts that can crush or cut, flying objects, burns, fire or explosion, 
escaping high pressure hydraulic fluid, or carbon monoxide poisoning.  In particular, be aware of the following 
hazards: 

Crush and Cut Hazards 

Moving parts can crush and cut hands and fingers.  Keep hands clear of endplate, wedge, log strippers, and logs 
while splitting. 

High Pressure Hydraulic Fluid Hazards 

High fluid pressures and temperatures are developed in hydraulic log splitters.  Hydraulic fluid escaping through 
even a pin-size hole opening can puncture skin and cause severe blood poisoning.  Inspect hydraulic system 
regularly for possible leaks.  Never check for leaks with your hand while the system is pressurized.  Seek medical 
attention immediately if injured by escaping fluid. 

Fire Hazards 

 

If your log splitter is intended for use near any ignitable forest, brush, or grassy covered land, the engine 
exhaust should be equipped with a spark arrestor.  

 

Keep a fire extinguisher with you, rated for ordinary combustibles and flammable liquids.

 

 

STOP! 

ASSEMBLY REQUIRED:  

This product requires assembly before use.  See “Assembly” section for instructions. 

INSPECT COMPONENTS.  

Closely inspect upon receipt to make sure no components are missing or damaged.  

See “Assembly” section for instructions on whom to contact to report missing or damaged parts.

 

ADD ENGINE OIL and HYDRAULIC OIL BEFORE USING:

  This product is shipped without engine oil or 

hydraulic oil. DO NOT start log splitter before adding both oils.  See “Assembly” and “Initial Unpacking & Set-
up” sections for detailed instructions.

 

Any Questions, Comments, Problems or Parts Orders 

Call your dealer or Dosko Customer Service 1-800-822-0295

ITEM NUMBER:

 2965020 

 

 

SERIAL NUMBER: 
_______________

 

M2965020C

 

Summary of Contents for 2965020

Page 1: ...in size hole opening can puncture skin and cause severe blood poisoning Inspect hydraulic system regularly for possible leaks Never check for leaks with your hand while the system is pressurized Seek...

Page 2: ...Hazard Signal Word Definitions 2...

Page 3: ...ore Each Use Step One Inspection Maintenance 13 Step Two Fueling 15 Step Three Work site Selection Set up 16 Splitting Operation 17 Storage 23 Periodic Maintenance 24 Troubleshooting 26 Specifications...

Page 4: ...m The vertical splitting position is used for heavier logs that are difficult to load onto the beam The technical specifications for your log splitter are provided in the Specifications section of thi...

Page 5: ...onoxide Warning 1 6 789236 Towing and Moving Instructions 1 7 777891 High Pressure Hydraulic Fluid Hazard 1 8 777890 Fire Hazard 1 9 787944 Pinch Point Warning 3 10 777887 Operating Instructions 1 11...

Page 6: ...Safety Label Location 6 9 10 11 1 2 3 4 5 6 7 8...

Page 7: ...Lift Handle 3 Split Control Lever 15 Horizontal Lock 4 Wedge 16 Suction Strainer 5 Cylinder 17 Magnetic Drain Plug 6 Engine Guard 18 Hydraulic Tank 7 Engine 19 Vertical Lock 8 Hydraulic Oil Dipstick...

Page 8: ...ssembly Testing Step Two Add Oil to Engine Add oil to engine Using a funnel add SAE 10W 30 oil up to the FULL mark on the dipstick See engine Owner s Manual for oil capacity and location of fill cap S...

Page 9: ...inspecting or servicing the hydraulic components of the log splitter Stop the engine disconnect the spark plug and move the split control lever back and forth to relieve pressure before changing or ad...

Page 10: ...r engine is off Never move the log splitter with its engine running 3 Fuel Valve Off Turn fuel valve off to prevent carburetor flooding and reduce the chance of fuel leakage 4 Lock Jack in Down Positi...

Page 11: ...arburetor flooding and reduce the chance of fuel leakage 6 Attach to Hitch 2 ball Attach log splitter to vehicle hitch 1 Attach log splitter s coupler to a class 2 or higher hitch with 2 ball only 2 A...

Page 12: ...On public roads If towing on a public road make sure to comply with all local state and federal towing requirements It is the sole responsibility of the purchaser to obtain licensing trailer lights sa...

Page 13: ...re engine is off and cool 2 Disconnect the spark plug 3 Relieve all hydraulic system pressure by moving the split control lever back and forth several times 2 Remove debris Remove debris from engine m...

Page 14: ...ther end over the suspected area wear eye protection Look for discoloration of the cardboard or wood NEVER adjust the pressure setting of the pump or valve If injured by escaping fluid no matter how s...

Page 15: ...proved container NEVER pump fuel directly into engine at gas station Static charge can build and ignite fuel Use a UL approved fuel container to transfer gas to the engine Don t overfill DO NOT overfi...

Page 16: ...hese spaces can trap poisonous gases EVEN if you run a fan or open windows If you start to feel sick dizzy or weak while using the log splitter shut off the engine and get to fresh air RIGHT AWAY See...

Page 17: ...ting control o Splitting wedge NEVER attempt to change the height or speed of the splitting wedge o Pressure setting NEVER increase the pressure setting of the pump or control valve Safety equipment c...

Page 18: ...l or vertical splitting position The HORIZONTAL splitting position is used for lighter logs that can be easily loaded onto the beam The VERTICAL splitting position is used for light logs as well as he...

Page 19: ...e Cold hydraulic oil can damage the hydraulic pump b If outdoor air temperature is below 32o F allow log splitter to warm up by extending and returning the wedge several times before splitting wood WA...

Page 20: ...straddle reach across or step over the beam while the engine is running You could trip actuate the controls and get seriously injured Unsplit log pile Do not pile logs to be split in a place that wil...

Page 21: ...ble or other remote device to actuate the control Second person Many accidents occur when there is more than one person involved in loading and operating the log splitter Only one person should operat...

Page 22: ...d toward the operator or bystanders or the splitter could become damaged 9 Return wedge Move Split Control Lever away from end plate to return wedge Once the control valve is actuated in the return di...

Page 23: ...fuel storage life 2 Leave the fuel valve lever in the OFF position to reduce the possibility of fuel leakage Long Term Storage between infrequent uses and at end of season Drain the fuel tank and carb...

Page 24: ...r leaks with your hand Leaks can be located by holding a piece of cardboard or wood at least two feet long with your hand at one end and passing the other end over the suspected area wear eye protecti...

Page 25: ...Apply a small amount of lubricant to the new canister seal 6 Install the new canister and hand tighten 3 8 to 1 2 turn after gasket makes contact with head 3 Spark arrestor muffler If the engine is eq...

Page 26: ...and passing the other end over the suspected area wear eye protection Look for discoloration of the cardboard or wood If injured by escaping fluid no matter how small the wound is see a doctor at once...

Page 27: ...stor Yes Fuel Valve Yes Overall Dimensions 93 L x 43 W x 44 H Dry Weight 725 lbs Replacement Filter 788283 1 If the log splitter will be run for long periods of time in outdoor temperatures above 70 F...

Page 28: ...Parts Breakdown Exploded View Rev C 28...

Page 29: ...t 2 23 782689 18 Lanyard 1 76 780202 Tire 2 24 788040 Manual Tube 1 77 788301 Hub Seal Bearing Assembly 2 25 82087 5 16 18 x 75 HHCS Bolt 7 78 788085 38 5 Torsion Axle 1 26 82019 5 16 18 SF Nut 3 79 8...

Page 30: ...Do not allow anyone to operate the log splitter who has not read the owner s manual or been instructed on the safe use of the splitter Minimum Operator Age Never allow anyone under age 16 to operate t...

Page 31: ...t use the log splitter while it is connected to the towing vehicle Safety Before Use Read instruct Read manual Do not allow anyone to operate the log splitter who has not read the owner s manual or ha...

Page 32: ...ardboard or wood at least two feet long with your hand at one end and passing the other end over the suspected area wear eye protection Look for discoloration of the cardboard or wood o Stop the engin...

Page 33: ...fan or open windows If you start to feel sick dizzy or weak while using the log splitter shut off the engine and get to fresh air RIGHT AWAY See a doctor You may have carbon monoxide poisoning Safety...

Page 34: ...og in place while the operator actuates the Split Control Lever Loading Unloading Unsplit log pile Do not pile logs to be split in a place that will make you reach across the log splitter in order to...

Page 35: ...contact with hot muffler Remove engine debris Debris on a hot engine can be a fire hazard With the engine off clean debris and chaff from engine cylinder head cylinder head fins blower housing rotatin...

Page 36: ...packaging 2 Pull jack latch and swing jack down Lift tongue and swing jack down Crank jack down until the splitter sits level 3 Remove lag bolts Remove lag bolts from metal bands on ends of package wi...

Page 37: ...ng position on tongue by removing bolts Place coupler on tow bar Use 1 2 x 3 Flange Bolts and 1 2 Flange Nuts to fasten coupler to the tow bar Using a Torque Wrench Tighten BOTH Bolts to 57 lb ft WARN...

Page 38: ...38 This page was intentionally left blank...

Page 39: ...s to affect its stability performance or operation nor which has been subjected to misuse abuse negligence or accident The owner is responsible for all regular maintenance as explained in the operator...

Page 40: ...40 Great Northern Equipment Distributing Inc 20195 S Diamond Lake Rd Ste 100 Rogers MN 55374 Assembled in USA...

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