46” Rough Cut Brush Mower MODELS # 106717 and 106922 Operation Manual ! This safety alert symbol identifies important safety messages in this manual. Failure to follow this important safety information may result in serious injury or death.
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Table of Contents Important Safety Information Intended Use ...............................................................................4 Personal Protective Equipment ...................................................4 General Safety .............................................................................5 Safety Decals ...............................................................................6 Brush Mower Overview ................................................................
Important Safety Information ! WARNING WARNING: Read and thoroughly understand all instructions and safety information before assembling or operating this brush mower. Failure to do so may cause serious injury or death. Do not allow anyone to operate this brush mower who has not read this manual. As with all power equipment, a brush mower can be dangerous if assembled or used improperly. Do not operate this brush mower if you have doubts or questions concerning safe operation.
Important Safety Information General Safety Failure to follow warnings, cautions, assembly and operation instructions in the Operation Manual may result in serious injury or death. ! DANGER READ THE OPERATION MANUAL BEFORE OPERATION. •D o not permit children to operate this equipment at any time. Do not permit others that have not read and understood the complete Operation Manual to operate this equipment.
Important Safety Information Safety Decals Safety labels on the brush mower are to remind you of important information while you are operating the unit. Make sure all safety warning decals are attached and in readable condition. Replace missing or defaced decals. Contact Dirty Hand Tools at 1-877-487-8275 for replacement decals.
Brush Mower Overview Familiarize yourself with the controls and features of your brush mower before operating. The brush mower is partially assembled at the factory with the exception of the tongue, remote control, push bar, height adjusters and cable. The remote control can be mounted on the tongue of the mower or on the towing vehicle within the reach of the 5 foot cable length.
Unpacking and Assembly ! WARNING Wear gloves and use caution when cutting and removing any banding materials which may have sharp edges. Unpacking and assembling the brush mower, which weighs 560 lbs., requires at least two people. • Position the shipping container on level ground before unpacking. • Wear eye protection when uncrating. • Use caution when cutting the container’s banding. • Use caution with exposed nails and screws when uncrating.
Attaching the Tongue ! PULLEY COVER TOW BAR RETAINING RETAINING PIN BOLTS WARNING Wear gloves and use caution when handling the deck. The blades are extremely sharp and may move as you maneuver the deck. Attaching the Tongue to the Mower Deck Attaching the tongue to the brush mower’s deck with hardware included in the hardware kit will require two persons. RETAINING BOLTS PIVOT PIN COLLAR NOTE: The remote control throttle cable and wire harness are routed inside the tongue housing.
Attaching the Remote Control to an ATV ! WARNING Wear gloves and use caution when handling the deck. The blades are extremely sharp and may move as you maneuver the deck. Attaching the Remote Control to an ATV or other vehicle 1. Using a 13mm wrench or socket, loosen and remove the four bolts, washers and nuts that secure the remote control unit to the tongue (see Figure 4). 2.
Connecting the Battery NEGATIVE GROUND WIRE (GREEN) ! WARNING Using the wrong type of battery or charger could cause a fire or explosion, resulting in serious injury. When attaching the negative (ground) wire, avoid contact with the muffler. Heat from the muffler may melt the wiring creating a fire hazard. Never modify the brush mower’s electrical system. Modifications could ruin the electrical system and cause a fire. Never lift or carry the battery by the cables or terminals.
Connecting to a Tow Vehicle ! HITCH BAR WARNING For the machine to work properly, it is important to use the hitch height setting that positions the tongue parallel to the ground. BALL COUPLER 1. Move your tow vehicle to a level area within connection distance of the brush mower and set the parking brake. Lift the hitch and position it onto the center of the tow vehicle hitch plate and secure with the clevis pin and hitch clip pin or using the 2” ball hitch (see Figure 6). 2.
Filling with Gasoline and Oil OIL FILL FUEL FILL ! WARNING ADD OIL BEFORE STARTING THE ENGINE The brush mower is shipped without fluids installed. Keep the caps on the fuel and oil fills until you are ready to pour either gasoline or oil into the correct fill. Requires approximately 1.6 quarts (1.5L) of SAE 30 engine oil. Figure 8 Please refer to your Engine Owner’s Manual for detailed information on oil quantity and cold temperature oil specifications. 1.
Operation ! WARNING KEYED IGNITION SWITCH BLADE CONTROL KNOB Contact with internal rotating parts may cause serious injury. DO NOT put hands, face, feet, or objects under the deck or near the discharge area with the engine running. Inspect the area where you will be working. The site must be free of potentially hazardous obstacles such as glass, large stones, sticks, wire, rope, and string-like materials. Make sure there are no people or animals in the area. 1.
Operation THROTTLE CONTROL LEVER BLADE CONTROL KNOB Stopping the Engine 1. Disengage the blades by pushing the blade control knob down. 2. Move the throttle control lever all the way down to the IDLE position and turn the key to STOP (see Figure 10). 3. Remove the key for safety. The key has a pressure lock that prevents it from vibrating loose during operation. To remove the key, push it in and then quickly and firmly pull it out.
Operation ! WARNING Shut off the engine before adjusting the deck height. The blades could sever your foot if accidentally placed under the deck with the engine running. Never get off the tow vehicle without first stopping the blades and shutting off the tow vehicle and brush mower engines. Adjusting the Mower Deck Height 1. To change the cutting height, disengage blades and turn off engine, apply pressure to the height adjustment while pulling the spring-loaded adjustment knob out.
Maintenance ! WARNING BEFORE PERFORMING ANY MAINTENANCE PROCEDURE STOP THE ENGINE, WAIT FIVE (5) MINUTES TO ALLOW ALL PARTS TO COOL. Disconnect the spark plug wire, keeping it away from the spark plug. Regular maintenance is the way to ensure the best performance and long life of your machine. Please refer to this manual and the engine manufacturer’s owner’s manual for maintenance procedures.
Maintenance Replacing the Engine Oil Note: Drain the oil when the engine is warm. Warm oil drains quickly and completely. Be sure to use environmentally safe disposal procedures in the disposing of the used oil. The use of an extractor makes oil removal clean and easy. 1. Remove the oil fill cap and position a suitable oil drain container under the mower near the oil drain plug on the side of the engine (see Figure 13). 2. Turn the oil drain plug counterclockwise then pull it out for draining.
Maintenance STEP 3 STEP 7 Figure 16 BLADE PULLEY BELT TENSION MOUNTING STUD Replacing the Drive Belt Belt type: Gates Hi-Power B52 1. Using a 13mm wrench or socket, remove the four bolts, lock washers and flat washers that retain the pulley cover. 2. Remove the pulley cover (see Figure 16). 3. Using a 10mm wrench or socket, remove the 2 bolts attaching the top rear cover at the back of the machine just under the engine. 4.
Maintenance ! WARNING Wear gloves and use caution when handling and removing the swing blades which have sharp edges. Replacing the Swing Blades 1. Using two 22mm wrenches, remove the top lock nut (righthand, regular thread) and the jam nut followed by the swing blade. 2. Reinstall the sharpened or a new swing blade in the orientation shown (see Figure 18). 3.
Maintenance ! WARNING The brush mower’s debris guard should be inspected before each use and any debris removed from the chains. DEBRIS GUARD Figure 19 Debris Guards The debris guards are constructed of heavy link chain and should never require replacement. Make sure that the chain links in the debris guard provide adequte coverage in the front and back of the brush mower.
Troubleshooting PROBLEM SOLUTION Engine will not start. • Check that the blade control knob is in the DOWN, disengaged position. • Make sure the spark plug wire is attached. • If the engine is cold, make sure the throttle is in the CHOKE position. • The gas must be fresh and clean. If the gas is old, change it. Use a fuel stabilizer if you keep gas longer than one month. • Check the throttle adjustment and travel. • The spark plug may be dirty or cracked, change it.
Troubleshooting PROBLEM SOLUTION Engine smokes. • • • • • Check the oil level and adjust as needed. You may be operating the machine on too great an incline. Check the air filter and clean or replace if needed. The oil may be light for the temperature. Replace as needed. Clean the cooling fins and the carburetor housing. The belt frays or rolls over the pulley. • There may be a nick in a pulley groove. Check the belt for wear and hard spots. File off any nicks on the pulley.
Warranty & Specifications IMPORTANT NOTICE We, the manufacturer, reserve the right to change the product and/ or specifications in this manual without notification. The manual is for information usage only and the pictures and drawings depicted herein are for reference only. Warranty Repair and Service Do not return this product to the store for warranty issues or repair. Call our customer service department at 720-287-5182, 1-877-487-8275, or visit www.dirtyhandtools.
