Owner’s Manual 34 Ton Log Splitter MODEL NUMBER: _________________________ SERIAL NUMBER: _________________________ DATE PURCHASED:________________________ Register your Generac product at: WWW.GENERAC.
WARNING CANCER AND REPRODUCTIVE HARM www.P65Warnings.ca.gov.
Table of Contents Section 1: Safety Rules & General Information Controls ......................................................................21 Introduction ..................................................................1 Read This Manual Thoroughly ....................................1 Beam Operating Positions ........................................22 Placing Beam in Vertical Position ..............................22 Safety Rules .................................................................
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Safety Rules & General Information Section 1: Safety Rules & General Information Introduction Thank you for purchasing this Generac Pro 34 Ton Log Splitter. This unit has been designed to provide highperformance, efficient operation, and years of quality use when maintained properly. The Generac Pro 34 Ton Log Splitter is designed and built for consistent, reliable use for log splitting projects. It is built to withstand frequent handling under these conditions.
Safety Rules & General Information General Hazards WARNING Equipment damage. Do not overload the log splitter. Do not attempt to split logs beyond the units capability. Doing so could result in serious injury or equipment damage. (000439) WARNING Personal injury. Do not reach or step across the beam while the log splitter is running. Doing so could result in death or serious injury. (000442) WARNING Personal injury. Keep hands away from cracks in partially split or stuck logs.
Safety Rules & General Information DANGER WARNING Equipment damage. Do not use as a tow or drag vehicle. Towing or dragging items behind the unit could cause serious injury, property or equipment damage. (000496) Explosion and Fire. Fuel and vapors are extremely flammable and explosive. Add fuel in a well ventilated area. Keep fire and spark away. Failure to do so will result in death or serious injury. (000105) DANGER WARNING Personal injury. Never remove, alter, or tamper with safety devices.
Safety Rules & General Information Fire Hazards Hydraulic Hazards WARNING WARNING Risk of Fire. Verify machine has properly cooled before installing cover and storing machine. Hot surfaces could result in fire. (000109) WARNING Fluid Injection. This machine produces high-pressure fluid streams that can pierce skin. Fluid injection could result in death or serious injury. (000106b) WARNING Risk of fire. Never operate engine without the air cleaner installed.
Safety Rules & General Information Safety and Operating Decals See Figure 1-1. This unit features numerous safety and operating decals. These decals provide important operating instructions and warn of dangers and hazards. The following diagrams illustrate decal locations and descriptions. Replace any missing or hard-to-read decals and use care when washing or cleaning the unit. Decal part numbers can be found in the unit parts manual at www.generac.com. Item No.
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General Information and Setup Section 2: General Information and Setup Specifications Engine Generac G-Force Engine Starting Manual Oil Capacity 1 qt (0.95 L) Fuel Capacity 1.6 gal (6.1 L) Pump 2-Stage, 13 gpm (49.2 Lpm) Max. Road Towing Speed 45 mph (72 km/h) Cylinder (Bore x Stroke) 5 in x 23.7 in (12.7 cm x 60.2 cm) Max. Splitting Force 34 tons* (29 mt) Hydraulic Pressure 3500 psi* (24,132 kPa) Max. Log Length 25 in (63.5 cm) Wedge Height 7.9 in (20.
General Information and Setup Components and Controls S R Q B P D C A E O N G F M L H I K J 006812 Figure 2-1.
General Information and Setup Know Your Log Splitter 3 Pin, cotter 2 Figure 2-2. Parts Supplied in Hardware Kit #1 WARNING Consult Manual. Read and understand manual completely before using product. Failure to completely understand manual and product could result in death or serious injury. (000100a) See Figure 2-1. Be familiar with the controls and features of the unit prior to operation. Read this manual thoroughly before assembling and operating this unit.
General Information and Setup Installing the Tow Bar 3. Install the horizontal beam lock onto tow bar using two M10 x 80 bolts, four flat washers, and two locknuts. Tighten hardware. 2 1 Installing the Pump Assembly 1 3 2 4 3 4 006538 5 Parts Supplied in Hardware Kit #2 6 Item # Description Qty 1 Horizontal beam lock 1 2 Bolt, hex, M10 x 80 4 3 Washer, flat, M10 8 Item # Description Qty 4 Nut, nylon lock, M10 4 1 Two stage pump assembly 1 2 Bolt, HCS, M8-1.
General Information and Setup 4. See Figure 2-9. Coupling (B) may have separated during shipping. Verify the two coupling halves are together with the nylon insert (C) in the center. K J B L 006544 Figure 2-11. Pump Assembly C 006542 Figure 2-9. Coupling Halves 5. See Figure 2-10. Install the pump assembly (D) onto the engine shaft (E) with the opening facing up, allowing the key to slide into the coupling. Push the pump assembly onto the shaft until pump mount (F) is flush with the engine.
General Information and Setup NOTE: Install washers so one washer is against head of bolt, and other washer is against locknut. 1. Position engine with pump assembly onto engine mount. Insert a vibration isolator between engine and mount at four mounting hole locations. 2. Secure engine with four bolts, eight flat washers, and four locknuts. Tighten hardware securely.
General Information and Setup Installing the Control Handle NOTE: Control handle is shipped hanging from valve on handle link. 1. See Figure 2-16. Remove pin and hitch clip (A) from control valve. A B A 006553 Figure 2-18. Log Tray Assembly 2. Lower the beam to the horizontal position with an assistant. See Beam Operating Positions for detailed information on raising and lowering beam. 006551 Figure 2-16. Control Handle Assembly 2.
General Information and Setup Installing Manual Holder Installing Hour Meter The manual holder is installed on the tow bar, near the jack stand. All documentation should remain with the unit at all times. WARNING Accidental Start-up. Disconnect spark plug wire when working on unit. Failure to do so could result in death or serious injury.
General Information and Setup Engine Fluid Requirements Above 50 °F (10 °C): SAE 30 Engine Oil 30–90 °F (-1–32 °C): 10W-30 30 °F (-1 °C) or below: 5W-30 Fuel Unleaded gasoline. Minimum 85 octane rating. Adding Fuel and Oil B A 008584 Figure 2-24. Hour Meter Installation 3. See Figure 2-25. Install the sensor wire into the sensor wire connector on back of hour meter. WARNING Fire and explosion risk. Keep spark and flame away from liquid and vapor. Do not smoke while using.
General Information and Setup B 1. See Figure 2-28. Remove hydraulic reservoir dipstick (A) located on top of hydraulic reservoir tank. A A 006556 Figure 2-27. Oil Dipstick and Fuel Fill 006557 3. Add 16 oz (0.5 L) of the recommended oil. Wait one minute for oil to settle. Figure 2-28. Hydraulic Reservoir Dipstick Location 4. Install oil dipstick and screw in. 2. Slowly fill the hydraulic reservoir tank with recommended hydraulic fluid until it reaches the initial fill line on the dipstick.
General Information and Setup Lubricating the Beam High Altitude Replacement Kit See Figure 2-29. Lubricate the beam area (A) with fluid film. Do not use grease. The standard carburetor air-fuel mixture is too rich at high altitudes for this unit. Performance decreases and fuel consumption increases at high altitudes. A rich mixture also fouls the spark plug and causes hard starting.
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Operation Section 3: Operation Operation and Use Questions Starting the Unit Call Generac Customer Service at 1-888-GENERAC (1888-436-3722) with questions or concerns about unit operation and maintenance. WARNING Risk of fire. Never operate engine without the carburetor air intake cover installed. Doing so could result in death or serious injury. Before Starting Engine (000511) WARNING Consult Manual. Read and understand manual completely before using product.
Operation 5. See Figure 3-3. Turn ignition switch (E) to ON. WARNING Personal injury. Do not attempt to split logs across the grain. Doing so could cause serious injury or equipment damage. (000443) WARNING E 006563 Personal injury. Keep hands away from cracks in partially split or stuck logs. These cracks can quickly collapse, which could result in serious injury. (000444) Figure 3-3. Ignition Switch Location 6. Set choke control lever slowly back to OPEN once engine is running smoothly.
Operation • See Figure 3-5. Do not split log against the grain. Controls The control handle has three positions: • FORWARD – Move control handle forward to the FORWARD position to move wedge towards log. See Figure 3-8. 006565 Figure 3-5. Do Not Split Against the Grain • See Figure 3-6. Do not cut angled wood. Verify both ends are cut as square as possible. This prevents logs from sliding out of position while under pressure from the splitting wedge. 006568 Figure 3-8.
Operation IMPORTANT NOTE: Do not hold control handle in REVERSE position when splitting wedge is fully retracted. This will cause damage to the hydraulic cylinder. 3. See Figure 3-7. Load log onto log splitter. Gasp log with hands on both sides of log, near the middle. Center log side-to-side on beam. Place one end against the end plate. NOTE: To stop the splitting wedge before it is fully retracted, move control handle to the neutral position. 4. Move control lever to the FORWARD position.
Operation WARNING Personal injury. Do not operate unit during transport. Doing so could result in death, serious injury, or property damage. (000231a) WARNING 006578 Figure 3-12. Vertical Position 2. See Figure 3-13. Pull out vertical beam lock (B) and rotate it to secure the beam. Property or equipment damage. Do not alter the trailer. Alterations can damage essential safety items. Doing so could result in death, serious injury, or property or equipment damage. (000285) WARNING Personal injury.
Operation • Inspect coupler tightness every 50 miles (80.5 km). • Check local government regulations for DOT information on accessory lights and safety devices. Towing C D 1. Verify beam is in horizontal position with the horizontal beam lock secured. 2. Set the jack stand to transporting position. a. See Figure 3-14. Remove pin and hitch clip (A) from jack stand (B). 006583 Figure 3-16. Latch Assembly 4. Close latch assembly to lock onto tow ball. Attach towing safety chains to tow vehicle.
Operation Hitch Coupler Adjustment 1. Close latch of coupler with ball in socket. Verify locking trigger is properly engaged in its detent. 2. See Figure 3-18. Tighten lock nut (A) on underside of coupler until spring (B) between nut and clamp (C) is fully compressed. Loosen lock nut one-half turn or just enough so latch is able to clamp and unclamp from ball. B A C 005906 Figure 3-18.
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Maintenance and Troubleshooting Section 4: Maintenance and Troubleshooting Maintenance Regular maintenance will improve performance and extend engine/equipment life. Generac Power Systems, Inc. recommends that all maintenance work be performed by an Independent Authorized Service Dealer (IASD). Regular maintenance, replacement, or repair of the emissions control devices and systems may be performed by any repair shop or person of the owner’s choosing.
Maintenance and Troubleshooting Procedure Before Each Use Check engine oil level Inspect general equipment condition Perform beam maintenance Clean engine exterior and cooling fans Check hydraulic fluid level Every 25 Hours Verify tire pressure Every 100 Hours 1st time 5 hours Change engine oil Replace air filter Change hydraulic fluid Replace spark plug Changing Engine Oil WARNING Accidental Start-up. Disconnect spark plug wire when working on unit.
Maintenance and Troubleshooting Changing Air Filter WARNING Risk of fire. Never operate engine without the air cleaner installed. Operating engine without the air cleaner could result in death or serious injury. (000249) A dirty air filter will restrict air flow to the carburetor, reducing engine performance. When operating in very dusty areas, clean the air filter more often than specified in the maintenance schedule. Dual-Filter Element Types 1. See Figure 4-2.
Maintenance and Troubleshooting 4. See Figure 4-4. Measure spark plug electrode gap (C) with a suitable gauge. The gap should be 0.028–0.031 in (0.70–0.80 mm). Correct the gap, if necessary, by carefully bending the side electrode. C B A D C 006549 Figure 4-5. Pump Assembly 008353 Figure 4-4. Spark Plug Electrode Gap 5. Install spark plug carefully by hand, to avoid crossthreading. 6. Tighten spark plug to compress the water after the spark plug seats.
Maintenance and Troubleshooting Replacing the Wheels 4. Connect oil return hose to oil reservoir. 5. Extend cylinder by holding control valve handle forward and pulling on engine’s pull start cord until cylinder is completely extended. This refills piston end of cylinder. WARNING Tipping hazard. Properly support the unit when jacking. Failure to do so could result in death, serious injury, property or equipment damage. (000447) 6. Verify fluid level is approximately 0.25 in (6.
Maintenance and Troubleshooting 5. See Figure 4-9. Pull wheel assembly and taper bearing (D) from axle. will coat pistons and seat valves to prevent moisture buildup. • Clean and replace air filter and fuel filter. • Verify all nuts, bolts, and screws are securely fastened. • Clean exterior of unit to remove all dirt, grease, and any other foreign material. Apply a rust preventative (Fluid Film or equivalent) to any bare metal areas on the wedge and on top of the rail.
Maintenance and Troubleshooting Troubleshooting Symptom Possible Cause Solution Broken shaft. Pump coupling damaged. Damaged relief valve. Contact an IASD. Damaged control valve. Cylinder rod does not move Set screws in coupling not adjusted properly. Shipping plugs left in hydraulic hoses. Disconnect hydraulic hoses, remove shipping plugs, and reconnect hoses. Loose pump coupling. Correct engine/pump alignment as necessary. Hydraulic lines blocked. Blocked control valve Incorrect oil level.
Maintenance and Troubleshooting Symptom Possible Cause Broken drive shaft. Leaking pump shaft seal Wedge continues forward when control handle is released Control handle does not return to neutral when released from forward position 34 Damaged shaft seal. Solution Contact an IASD. Engine/pump misalignment. Correct alignment as necessary. Plugged oil breather. Verify reservoir is properly vented. Damaged control valve. Contact an IASD. Hydraulic fluid too cold. Warm up engine.
Part No. 10000024598 Rev. A 05/23/18 ©2018 Generac Power Systems, Inc. All rights reserved Specifications are subject to change without notice. No reproduction allowed in any form without prior written consent from Generac Power Systems, Inc. Generac Power Systems, Inc. S45 W29290 Hwy. 59 Waukesha, WI 53189 1-888-GENERAC (1-888-436-3722) www.generac.
