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 DUAL ACTION  

13 / 16 / 20 TON 

 

                                      

GAS

 LOG SPLITTER 

 

 

 

 
 
 
 
 
 

 
 
 
 
 

   MODEL NO.

 

GD13T21 / GD16T21 / GD20T24 

  Owner’s Manual

 

 

         

ASSEMBLY & OPERATING INSTRUCTIONS

 

 

 

 

Purchase Date_________Model NO. __________  _ Serial NO.______________ 
Dealer_____________________________________     ____________________ 

Boss Industrial, Inc.

 · 123 Ambassador Drive, Suite 123 · Naperville, IL 60540 · USA 

Phone: (800) 780-BOSS (2677) · Fax (331) 472-2976 

 
 
 
 

Rev. 0 (2016-11)  

® 

Summary of Contents for GD13T21

Page 1: ...EMBLY OPERATING INSTRUCTIONS Purchase Date_________Model NO __________ _ Serial NO ______________ Dealer_____________________________________ ____________________ Boss Industrial Inc 123 Ambassador Dr...

Page 2: ...o establish the power rating of the engine equipped on this machine can be found at the engine manufacturer s manual or website If you have any problems or questions concerning the machine phone an au...

Page 3: ...ntion 9 Towing Safety 10 Assembly Set up Instructions 11 22 Unpacking the Container 11 12 Assembling 13 18 Set up 19 20 Operating Instructions 21 23 Starting Stopping the Engine 21 Using Control Handl...

Page 4: ...le components contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm DANGER This machine was built to be operated according to the safe ope...

Page 5: ...rt 410 647 Part 410 249 Make sure that all safety warning decals are in good condition and readable Always replace missing or defaced decals Contact BOSS at 1 800 780 2677 for replacement decals SAFET...

Page 6: ...FLUID Never check for hose leaks with your hands High pressure fluid can escape through a pin hole leak and cause serious injury by puncturing the skin and causing blood poisoning WEAR GLOVES Always w...

Page 7: ...at all times a Do not check for leaks with your hand b Do not operate machine with frayed kinked cracked or damaged hoses fittings or tubing c Stop the engine and relieve hydraulic system pressure by...

Page 8: ...movement 9 ALWAYS keep the work area clean Remove split wood around the log splitter immediately so that you don t stumble over it 10 Check all nuts bolts and hydraulic fittings are tight to be sure t...

Page 9: ...10 NEVER place hands or feet between the log and splitting wedge during forward or reverse stroke as this could result in serious injury or death NEVER attempt to load the log splitter when the ram o...

Page 10: ...operator zone identified has the safest and most efficient access to the control valve and the beam in this location Operating the log splitter in another location can result in serious injury or deat...

Page 11: ...ng fluid under pressure can have sufficient force to penetrate skin causing SERIOUS INJURY or even DEATH Leaks can be safely detected by passing a piece of cardboard over the suspected leak and lookin...

Page 12: ...utes before starting the engine 10 ALWAYS replace the gas cap securely Never remove gas cap while the engine is hot or running 11 To prevent fires clean debris and chaff from the engine and muffler ar...

Page 13: ...en backing up with your log splitter in tow It could jackknife 9 ALWAYS allow for added length of your log splitter when turning parking and crossing intersections and in all driving situations 10 ALW...

Page 14: ...will be specified Unpacking tools needed 1 Wrench 13mm 2 Scissors or knife 3 Pry bar or claw hammer Step 1 Use a 13mm wrench to remove all the bolts and washers securing the side frames on the metal c...

Page 15: ...tank assemblies on the crate bottom Take out the two heavy assemblies NOTE Due to the weight size of the two assemblies it s recommended two or more adults to assist lifting and moving the two assemb...

Page 16: ...1 5 Adjustable wrench x 1 10 Thread locking compound x 1 STEP 1 Installing the fenders See FIGURE 3 1 Loosely secure the fender to the fender support then loosely secure fender with support attached t...

Page 17: ...O DECSRIPTION QTY 4 Off Road tire Wheel 2 5 Hardware Kit 2 including 1 5 1 Castle nut 1 14 2 5 2 Split pin 4 x 50 2 5 3 Dust cap 2 STEP 3 Installing the beam assembly See FIGURE 5 1 Set the beam assem...

Page 18: ...bly See FIGURE 6 1 Remove the 6 sets of M12 hardware on both sides of the front end of the beam 2 Position the tongue assembly so that the mounting bracket is on the inside of the frame under the main...

Page 19: ...ure the crank handle is sticking out to the front left and does not hit the tongue when rotated 5 Tighten all M10 harware using a 16mm wrench on the bolts and a 17mm wrench on the lock nuts REF NO DEC...

Page 20: ...4 13 4 Vibration isolator 9 4 STEP 8 Attach the oil suction hose and pump valve connecting hose See FIGURE 10 There are two hydraulic hoses listed below each of them has one end already connected to t...

Page 21: ...the log tray frames and control handle lever See FIGURE 11 1 Position the log tray frames onto the tabs on both sides of the beam as shown and secure with the M8 hardware using a 13mm wrench 2 Screw...

Page 22: ...Be careful not to overfill Gasoline should only be added to the engine when it is turned off Controls and Features NOTE This Operator s Manual covers several models Log splitter features may vary by m...

Page 23: ...evel as instructed below NOTE Make sure the oil level is above the bottom line on the dipstick If not refill the reservoir to prevent damage to the hydraulic pump DO NOT overfill Some fluid may overfl...

Page 24: ...t this point REVERSE To split wood in the reverse direction move the control handle to the REVERSE position which will engage the wedge backwards splitting another log NOTE Do not continue to hold the...

Page 25: ...wedge completes its travel forward 6 Release the control handle to stop the wedge movement at any point in the splitting process if you feel an unsafe splitting condition is occurring NEVER reach acro...

Page 26: ...kwise 2 If the coupler hitch is too loose on the ball turn the adjustment nut one turn clockwise Then recheck and adjust accordingly 4 Attach the safety chains to the towing vehicle crossing each othe...

Page 27: ...ce sufficient to cause serious injury Flexible Pump Coupler The flexible pump coupler located between the pump and the engine shaft has a nylon spider insert Over time the insert will harden and deter...

Page 28: ...he log splitter will not be used for more than 30 days prepare it for storage as follows WARNING Never store the machine with fuel in the fuel tank inside of building where fumes may reach an open fla...

Page 29: ...ce dealer 2 Make certain pump inlet hoses are clear and unblocked Use short large diameter inlet hoses 3 See authorized service dealer 4 See authorized service dealer 5 Fill oil or bleed air 6 Drain o...

Page 30: ...psi 3400 psi Maximum Log Length 20 5 in 20 5 in Wedge Height 6 5 in 6 5 in Cycle Time Forward 4 Seconds 6 Seconds Reverse 3 5 Seconds 5 5 Seconds Wheels 16 x 4 8 x 8 in 16 x 4 8 x 8 in Hydraulic Capa...

Page 31: ...Page 25 EXPLODED DIAGRAM PARTS LIST Page 28...

Page 32: ...x27 36 5 3 15 2 730 619 O Seal Ring 15 1 9 3 15 3 730 077 O Seal Ring 21 2 4 3 16 560 409 Hydraulic Hose Valve Reservoir 1 2 350 1 17 560 403 Hydraulic Hose Pump Valve 1 2 300 1 18 350 200 Valve Cover...

Page 33: ...3 710 637 Hex Head Bolt ZP M8 20 8 8 6 54 750 699 Flat Washer ZP 9 24 1 5 2 55 750 638 Flat Washer ZP M8 14 56 720 500 Lock Nut ZP M8 8 57 330 612 Fender 2 58 330 524 Wheel Pneumatic 16 4 8 8 in 2 59...

Page 34: ...1 Reservoir tank assembly x 1 Engine Pump assembly x 1 Log tray Log dislodger assembly x 2 Hardware kits box x 1 including Fender x 2 Control handle lever x 1 Engine manual x 1 Wheel x 2 Tongue assemb...

Page 35: ...perating instructions as specified in this operator s manual This warranty does not apply to any damage to the product that is the result of improper maintenance or to any product that has been altere...

Page 36: ...Page 30 Boss Industrial Inc 123 Ambassador Drive Suite123 Naperville IL 60540 USA Phone 800 780 BOSS 2677 Fax 331 472 2976 www boss industrial com...

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