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TMG -SBH55 Product Manual

8 ft skid steer swing backhoe attachment
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Summary of Contents for TMG TMG-SBH55

  • Page 2: Table Of Contents

    TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION ....................... 3 SAFETY DECAL LOCATIONS ........................8 PARTS DESCRIPTION AND FUCTION ..................... 10 PRODUCTS SPECIFICATIONS ........................11 UNPACKING & ASSEMBLY ........................12 CONNECTING SKID STEER LOADER ...................... 20 CHECK BEFORE OPERATING ........................21 LUBRICATION POINTS SUMMARY ......................22 CONTROLS ..............................

  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION Before operating the BACKHOE read the following safety instructions. Failure to comply with these warnings may result in serious injury or death. Safety Instructions The alert symbol is used throughout this manual and this manual and on the product safety decals. This symbol indicates attention is required and identifies hazards concerning your personal safety and the safety of others.

  • Page 4: Safety Rules

    Safety Rules It is the operator's responsibility to read, understand and follow ALL safety and operation instructions In this manual. If you do not understand any part of this manual and require assistance, contact your dealer. The operator of this backhoe must be a responsible, physically able person familiar with machinery and trained in this machine's operation.

  • Page 5: Safe Condition

    • If the backhoe is powered by the tractor / skid steer hydraulic system, oil pressure and flow must be properly matched. If a PTO drive is used, be sure speed is correct and PTO shaft is properly shielded. • Never operate controls from the ground. Operate only from the operator's seat to prevent unexpected boom movement that can lead to crushing between frame members.

  • Page 6: Maintenance Safety

    Maintenance Safety • Have at least two workers present when performing maintenance on this equipment. Never work alone in case an emergency should arise. • Keep service area clean and dry. • Never operate the engine in a closed building. Make sure there is plenty of ventilation. Exhaust fumes can cause asphyxiation. •...
  • Page 7 Work Zone Establish a Work Zone perimeter the length of maximum boom reach and swing arc. Mark an additional area at least 3 ft (1 m) around the stabilizers. While using the backhoe, always be aware of bystanders in the area. A swinging boom can create a collision hazard to workers or bystanders.

  • Page 8: Safety Decal Locations

    SAFETY DECAL LOCATIONS The safety decals and their positions are shown on the illustration below. Good safety requires that you familiarize yourself with the various safety decals, the type of warning and the area or specific function related to that area that requires your SAFETY AWARENESS.

  • Page 9: Warning Decals

    Warning Decals 9/43...

  • Page 10: Parts Description And Fuction

    PARTS DESCRIPTION AND FUCTION 1. Console assembly 3.Seat assembly 2. Boom assembly 8. Bucket assembly 7. Outrigger assembly 4.Skid steer hitch 6.Base assembly 5. Steering assembly assembly 1.Console assembly: Control machine 2.Boom assembly: The arm that performs the digging action 3.Seat assembly: Sit on the seat when operating the machine 4.Skid steer hitch assembly:...

  • Page 11: Products Specifications

    PRODUCTS SPECIFICATIONS Specifications TMG-BH780 7′8″ Digging Depth（2 ft. flat bottom） 112″ Overall Operating Height（fully raised） 118″ Reach from Swing POST 72″ Loading Height（bucket at 60° rotation） Dipper Boom Digging Force 2054 lbs 72″ Transport Height（with boom fully retracted） 65″ Transport Width（with stabilizers up）...

  • Page 12: Unpacking & Assembly

    UNPACKING & ASSEMBLY 1. After unpacking, check the following components The parts marked with numbers in the figure are the parts that need to be assembled. 12/43...
  • Page 13 DESCRIPTION DESCRIPTION the host Seat assembly 12 inch bucket body Seat brace Leg assembly Skid steer hitch assembly * All numbers are not part numbers in the drawings. For correct part numbers, see explosive diagram. Tools used for installation DESCRIPTION SPECIFICATION CONDITIONS OF USE open end wrench...
  • Page 14 2. Install the Stabilizer Legs Assembly Installation steps: Place the stabilizer legs assembly (5) at the position shown in the figure above, align it with the installation hole on the base assembly (1), pass through the pin shaft Ø20x133 (A14), and install the washer 20 (A13), and the cotter pin 4x32 (A12) , the left and right outriggers are installed in the same way.
  • Page 15 3. Install the skid steer loader hitch assembly Installation steps: Align the skid steer loader hitch assembly(7) with the 8 mounting holes on the base assembly , and install the full-threaded hexagon bolt (G4), plain washer (G2), non-metallic insert hexagon lock nut (G1) in sequence and To lock it, add a flat washer (G2) on the nut side and on the bolt side.

  • Page 16: Install The Seat Assembly

    4. Install the seat assembly A6-A7-A8 Installation steps: Align the seat assembly (1) with the 4 mounting holes on the the base assembly, and install the full-threaded hexagon bolt (A6), plain washer (A7), non-metallic insert hexagon lock nut (A8), taking care to tighten the bolts after all components are installed. Importance: All bolts are locked in place without shaking.

  • Page 17: Installation Steps

    5. Install bucket assembly Installation steps: Attach the bucket to the backhoe of the rear dig and secure it with Non-metallic insert hex lock nuts M8（D16）, Fully threaded hex bolts M8x55(D19) and D20) Bucket fixing pins Ø25x202 ( Importance: All bolts are locked in place without shaking. WARNING:Once the assembly bolts are not fastened in place, there will be abnormal noises when the machine is working.
  • Page 18 6. Install and connection hydraulic tubing 18/43...
  • Page 19 Connection steps: As shown in the figure above, there are still 6 oil pipes that need to be connected. One side of these 6 oil pipes has been connected to the multi-way valve, and the other side needs to be connected to the oil cylinder. The product number is marked on the oil pipe joint.

  • Page 20: Connecting Skid Steer Loader

    CONNECTING SKID STEER LOADER 1. About the backhoe attachment The backhoe attachment is intended for use in earth digging. The primary use of the backhoe attachment includes digging, land clearing, landscaping, demolition, construction, and grounds maintenance. Use of this equipment in any other manner is considered to be contrary to the intended use of the attachment.

  • Page 21: Before Start-Up

    CHECK BEFORE OPERATING 1. Check before operating Before operating the machine, check the following: 1. Check that the backhoe is properly attached to the power unit. Be sure retainers are used on the mounting pins and mounting hardware is tightened to their specified torque. 2.

  • Page 22: Lubrication Points Summary

    LUBRICATION POINTS SUMMARY 4 Lubrication point 9 Lubrication point 4 Lubrication point ● Designated parts have been oiling, please confirm before use. 22/43...

  • Page 23: Controls

    CONTROLS 1. Backhoe control Backhoe control configuration is SAE control mode. All controls are mounted on top of the base, when the operator sits When in the seat, it is easy to maneuver. All operators should read this section of the manual and be familiar with all the positions and functions of its controls before starting operation.
  • Page 24 4. Outrigger stabilizer, upward, downward • Push the second lever forward from the left to lower the left stabilizer. • Pull back the lever to raise the stabilizer. • Push the lever a second time forward from the right to lower the right stabilizer. •...

  • Page 25: Machine Setup

    OPERATING ESSENTIALS 1. Machine Set-up 1. Position the machine at the work site and set the park brake. 2. Set the stabilizers down to remove some of the weight from the tires. 3. On a tractor, lower the front bucket and set the stabilizers to remove some weight off the tires. Keep the tires in contact with the ground.

  • Page 26: Working On Slopes

    3. Check the condition of the teeth on the bucket. Replace any that are bent, chipped, broken or missing. Check the oil level in the hydraulic reservoir if so equipped. 2Add as required. 5. Check the boom, dipper and bucket pivot pins. Be sure all are anchored securely in position. 6.
  • Page 27 4. Excavating Always lower the stabilizers and front loader bucket. If the ground is soft, use pads or place wood blocking under the stabilizers. Do not undercut the stabilizers. Doing so could cause the stabilizer to give way and the backhoe could tip over into the excavation.
  • Page 28 Lower stabilizers and front bucket before lifting a load 6. Digging with the Backhoe 1. Increase engine speed to mid-range or rated PTO rpm. 2. Engage hydraulic circuit or place hydraulic control in detent. If you have the optional PTO pump,engage PTO (refer to tractor manual).
  • Page 29 7. Curl the bucket up when full. Raise the boom and at the same time, move the dipper out a little to keep soil from building up under the machine. Digging with Bucket 8. Swing away from your excavation and dump the bucket. Start dumping as the bucket approaches the pile. Do not waste time by dumping too far from the excavation.

  • Page 30: Operating Finish

    OPERATING FINISH 1. Stopping and Parking the Machine Park the machine on dry, level ground. 1. Lower the boom to the ground. 2. Set the parking brake. 3. Allow the engine to idle for 5 minutes to cool. 4. Turn the hydraulic circuit OFF. 5.

  • Page 31: Maintenance Schedule

    MAINTENANCE SCHEDULE Perform maintenance procedures at time shown or hour interval, whichever comes first. Inspection unit list Inspection time Remove any entangled material from backhoe. Before/Post the job Check that all fasteners are tight. Before/Post the job Check the condition of all hydraulic lines, hoses, and fittings. Replace any that are damaged.

  • Page 32: Troubleshooting

    TROUBLESHOOTING PROBLEM PROBABLE CAUSE SOLUTION Oil filter plugged. Change filter. No pressurized hydraulic oil. Low hydraulic oil level. Add oil to reservoir. Pressure and return hoses to backhoe are Change hose connections. reversed. Cylinder rods do not Not enough oil flow. Flow control set too low.

  • Page 33: Exploded View & Parts List

    EXPLODED VIEW & PARTS LIST 1. Classification of major components PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Base and seat assembly Stabilizer legs assembly Console assembly Bucket parts Boom rotation assembly Skid steer loader hitch assembly Boom assembly Flow control valve assembly 32/43...
  • Page 34 2. Base and seat assembly 33/43...
  • Page 35 PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Seat Cotter pin 4x32 Seat bottom plate weldment Plain washers Ø20 Seat support plate weldment Outrigger cylinder pin Ø20x133 Large washer Ø10 Base weldment Heptagon knob Ø40*M10*25 Buffer block Bushing C25×28×25 Fully threaded hex bolts M12×45 Steering cylinder upper bracket Plain washers Ø12 welding...

  • Page 36: Console Assembly

    3. Console assembly Swing cylinder Dipper cylinder Left stabilizer cylinder PARTS LIST PART NO DESCRIPTION PART NO DESCRIPTION Control valve mounting plate Curved handle M12×235 Hex bolt M8×16 Straight handle M8×210 Large washer Nut M8 Spring washer Φ8 Six-way multi-way valve Hex bolt M8×30 Straight FJIC×MORB 0808...
  • Page 37 4. Boom rotation assembly To valve port A6 To valve port B6 PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Combination washer 13.7x20.6x2 Spacer Steering tee oil pipe Suspension pin Hollow bolt G1/4 Non-metallic insert hex lock nuts M8 Hollow bolt (extended) G1/4 Fully threaded hex bolts M8X70 Steering right cylinder oil pipe Bushing C30x34x30...

  • Page 38: Boom Assembly

    5. Boom assembly D23 D22 D29 D30 D4 D5 37/43...
  • Page 39 PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Straight-through pressure oil cup M8 Fully threaded hex bolts M8×50 Pin 165 Bushing C25×28×25 Non-metallic insert hex lock nuts M6 Fully threaded hex bolts M8x55 Hex head bolts M6x55 Bucket fixing pin Ø25x202 Boom oil cylinder inlet pipe Connecting rod weldment Boom cylinder oil outlet pipe...
  • Page 40 6. Stabilizer legs assembly PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Right outrigger cylinder oil inlet pipe Bottom plate weldment Outrigger cylinder 50.8x285 Strut fixing pin Ø20x123 Outrigger cylinder oil outlet pipe Spring pin 5×30 Straight-through pressure oil cup M8 Hex nuts M12 Strut weldment Standard spring washers Ø12...
  • Page 41 7. Bucket and thumb parts PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Hexagonal bolt(fine pitch) M12x45 Hexagon nut(fine pitch) M12 Spring washer Ø12 Bucket body welding 12” Tooth 40/43...
  • Page 42 8. Skid steer loader hitch assembly PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Non-metallic insert hex lock nuts M14 Pin welding Plain washers Ø14 Slip hook welding Suspension connection plate welding Pedal Fully threaded hex bolts M14x45 Non-metallic insert hex lock nuts M12 Fully threaded hex bolts M8x20 Plain washers Ø12 Spring washers Ø8...
  • Page 43 9. Flow control valve assembly To valve port T To valve port P PARTS LIST PART NO. DESCRIPTION PART NO. DESCRIPTION Quick coupler 1/2 NPT (male) Large washer Speed control valve connecting oil Fully threaded hex bolts M10×35 pipe Pump suction fitting Multi-way valve oil outlet pipe Plain washers Ø10 Transition joint 12R1/2...
  • Page 44 10. Hydraulic line connection diagram...

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