Save This Manual for Future Reference Two-Stage Snow Blower Operator’s Manual MODEL NUMBER YB6270 SERIAL NUMBER PURCHASE DATE Both model number and serial number may be found on the main label. You should record both of them in a safe place for future use. FOR YOUR SAFETY READ AND UNDERSTAND THE ENTIRE MANUAL BEFORE OPERATING MACHINE Tame the Great Outdoors TM 30255JUS25M100.
Your new YARDMAX™ snow blower offers quality construction, and is easy and safe to operate. With proper use and care, it is designed to give you many years of dependable service.
Two-Stage Snow Blower Carefully read through this entire operator's manual before using your new unit. Pay attention to all cautions and warnings. This unit is a gasoline engine driven snow blower. It is perfect for tackling heavy snowfall — easily able to cut through snow in excess of a foot or more. It is easy and safe to operate. With proper use and care, it should give you many years of dependable service.
support Have questions about your YARDMAX equipment? Call us at 844-YARDMAX, email us at support@yardmax.com, or contact us via your favorite social media site. Specifications Model Number YB6270 Clearing Width 24" Engine LCT Displacement Start Type 12" Impeller Diameter 12" Chute Control Crank Chute Type Steel Speed | Electric Auger Diameter Intake Depth 3 208cc 21" 13" x 4" Forward Speeds 6 Reverse Speeds 2 Introduction & Specifications 30255JUS25M100.
Two-Stage Snow Blower » Operator’s Manual Symbols The rating plate on your machine may show symbols. These represent important information about the product or instructions on its use. Read these instructions carefully. Wear eye protection. Wear hearing protection. Do not remove or tamper with the protection and safety devices. No smoking, sparks, or flames. Wear safety footwear. Do not touch parts that are hot from operation. Serious burns may result. Keep children and bystanders off and away.
SafETY GENERAL SAFETY RULES UNDERSTAND YOUR MACHINE Read this manual and labels affixed to the machine to understand its limitations and potential hazards. Be thoroughly familiar with the controls and their proper operation. Know how to stop the machine and disengage the controls quickly. Make sure to read and understand all the instructions and safety precautions as outlined in the Engine Manufacturer’s manual packed separately with your unit.
Two-Stage Snow Blower ENGINE SAFETY This machine is equipped with an internal combustion engine. Do not use on or near any unimproved, forest covered, or brush covered land unless the exhaust system is equipped with a spark arrester meeting applicable local, state, or federal laws. In the state of California, a spark arrester is required by law. Other states have similar laws. A spark arrester, if used, must be maintained in effective working order by the operator.
Do not operate on steep slopes. Do not clear snow across the face of slopes. Keep all movement on slopes slow and gradual. Do not make sudden changes in speed or direction. Use a slow speed to avoid stops or shifts on slopes. Avoid starting or stopping on a slope. Do not park machine on a slope unless absolutely necessary. When parking on a slope, always block the wheels. Check clutch and brake operation frequently. Adjust and service as required.
Two-Stage Snow Blower » Operator’s Manual CONTENTS SUPPLIED Your YARDMAX snow blower comes partially assembled and contains the following: 5 9 2 4 6 10 3 OPTIONAL 11 OPTIONAL 7 12 1 8 Handware Kit 13 1. Main Machine M6 X 30 X6 2. Discharge Chute X3 4 3. Chute Crank Flange M8 4. Handlebars X1 X1 5. Control Panel 6. Skid Shoes M8x25 X2 7. Shift Rod M8x20 X2 5 6 8. Directional Chute Control REPLACEMENT PARTS 9. Operator’s Manual & Engine Manual 10.
ASSEMBLY This snow blower was partially assembled at the factory. To assemble your machine follow the below instructions. 30 mmSHIFT LINKAGE SPEED HANDLEBARS 1. Loosen the two bolts on the sides of the transmission housing. 1. Remove the knob to slide the shift lever through the slot in the control panel. 2. Slide the handle slots in-between the transmission and the washer. Finger tighten the bolts to hold the handle in place. 2.
Two-Stage Snow Blower Operator’s Manual DIRECTIONAL CHUTE CONTROL DISCHARGE CHUTE 1. » Sit the chute crank flange on top of the impeller housing. Make sure the stop triangle points forward so that the notched edge are on the left side and the pre-greased surface is on the bottom. (See Figure 5a) 1. Slide 19 mmthe spiral end of the directional chute control lever into the chute bracket. 2.
2. 3 19 mm Lift the machine so that the scrapper blade is 1/8” (3mm) above the ground, ensuring it is level. A piece of cardboard half the thickness of the snow blower packaging placed under the scrapper blade is recommended. 16 mm Attach the skid shoes to the sides of auger housing with the bolts and nuts. The shorter M8X20 bolts should be in the front holes while the longer M8X25 bolts in the rear holes. Move the skid shoes down as far as possible. Be sure both skid shoes are evenly. Tighten securely.
Two-Stage Snow Blower » Operator’s Manual KNOW YOUR MACHINE FEATURES AND CONTROLS Shear Pin Auger Gearcase Scraper Blade Auger Chute Deflector Handle Drive Clutch Lever Auger Clutch Lever Speed Shift Lever Directional Chute Control Chute Deflector Belt Cover Discharge Chute Chute Clean-Out Tool Drift Cutters (Optional) Skid Shoes Plastic Skid Shoes (Optional) Fuel Filler Cap Choke RUN/STOP Switch Primer Safety Ignition Switch Fuel Shutoff Valve Recoil Starter Electric Start Button
SPEED SHIFT LEVER The speed shift lever has 8 positions: 6 forward speeds and 2 reverse. To change speeds, move the speed shift lever to the desired position. The lever locks in a notch at each speed selection. Always release the drive clutch lever before changing speeds. Failure to do so will result in damage to the snow blower. AUGER CLUTCH LEVER Squeeze the clutch lever against the handgrip to engage the auger and start snow blowing. Release to disengage.
Two-Stage Snow Blower » Operator’s Manual CHOKE CONTROL Do not substitute. Use only original equipment shear pins as supplied with your snow blower. The choke control is used to choke the carburetor and assist in starting the engine. The choke control switches between the CHOKE CLOSED positions. CHOKE OPEN and AUGER When engaged, the augers rotate and pull snow into the auger housing. Never use choke to stop engine.
ADJUSTMENT SKID SHOES AUGER CLUTCH AND DRIVE CLUTCH Position the skid shoes based on surface conditions. For removal of snow in normal conditions, such as a paved driveway or sidewalk, place skid shoes in the higher position to give a 1/8” (3mm) clearance between the scraper blade and the ground. Use a middle or lower position when the area to be cleared is uneven. When auger clutch lever or drive clutch lever is released and in the disengaged position, the cable should have very little slack.
Two-Stage Snow Blower » Operator’s Manual DRIFT CUTTERS (OPTIONAL) Drift cutters break up snow drifts that are taller than the auger housing and direct the snow into the auger. Store the drift cutters on the auger housing when not in use. Reposition drift cutters so they face forward as shown. Wing nuts should be fastened on the outside of the auger housing. 30 mm 16 mm 18 mm X2 10 mm Figure 11 13 mm To do so: 1. Loose the two nuts which secure the chute bracket and reposition it slightly.
OPERATION FREEWHEELING AND SELF-PROPELLING Use the axle lock pin to lock or unlock the right or left wheel. Lock both wheels to increase traction; unlock one wheel to allow for easier turning of the unit; unlock both wheels for freewheeling. To unlock wheel, slide it inward and insert the axle pin through the outer axle hole, but not through the wheel hub.
Two-Stage Snow Blower COLD START - RECOIL STARTER RUN STOP 3. R otate choke control to CLOSED Operator’s Manual The best time to remove snow is the early morning. At this time the snow is usually dry and has not been exposed to the direct sun and warming temperatures. 1. Be sure fuel shutoff valve is in the OPEN position. 2. P lace RUN / STOP switch in RUN position. » position. 4. P ush the primer 2 or 3 times. When temperature is below 15oF (-25oC), additional priming may be needed.
MAINTENANCE ENGINE Refer to the Engine Operator’s Manual. LUBRICATION AUGER GEARBOX Oil Grease The gearbox was filled with lubricant to the proper level at the factory. Unless there is evidence of leakage or service has been performed on the gearbox, no additional lubricant should be required. If lubricant is required, use GL-5 or GL-6, SAE85-95, EP gear oil lubricant. Do not use synthetic oil.
Two-Stage Snow Blower » Operator’s Manual SERVICE REPLACEMENT SHEAR PINS AUGER BELT REPLACEMENT A pair of replacement auger shear pins and clevis pins are included with your snow blower. Store them in a safe place until needed. If the auger belt becomes worn, oil-soaked, or otherwise damaged, proceed as follows to replace the belt. 1. To prevent spillage drain all fluids, remove all fuel from tank by running engine until it stops.
b. Pivot the idle pulley toward the right to relieve tension. c. Lift the drive belt off engine pulley. (See Figure 18a) 19 mm c aa 16 mm 10 mm Figure 17c 6. R elease the spring from the connecting hole 13 mmin the braking bracket. Move the braking bracket away from the belt. Remove the belt from around the auger pulley, and slip the belt between the support bracket and the auger pulley. (See Figure 17d) b Figure 18a 4.
Two-Stage Snow Blower If an assistant is available, you can also separate the auger housing from the frame assembly to replace belts. 1. S hut off engine, remove key, disconnect spark plug wire and allow unit to cool completely. » Operator’s Manual FRICTION WHEEL REPLACEMENT If the snow blower fails to drive with the drive clutch engaged, and performing the clutch control cable adjustment fails to correct the problem, the friction wheel may need to be replaced. 1.
6. R emove the other bearing from the left side of the frame by removing the snap ring. If you only want to replace the rubber ring, proceed as follows: 1. R emove the eight screws which secure the friction wheel’s side plates together. Bearing Snap Ring 19 mm 16 mm Figure 19c Rubber Ring 7. C arefully position the hex shaft downward and to the left 8. C arefully sliding the friction wheel assembly off the shaft. 10 mm Figure 19e mm 2. Remove the rubber ring from between the 13 plates. 3.
Two-Stage Snow Blower » Operator’s Manual TROUBLESHOOTING Problem Electric starter does not turn(on models so equipped) Cause 1. Extension cord not connected 2. T he extension cord is worn, corroded, or damaged 3. The power outlet is not energized Remedy 1. Connect the extension cord to the outlet and/or the machine 2. Replace the extension cord 3. Have a qualified electrician energize the outlet 1. Move choke to CHOKE position 1. Choke not in CHOKE position 2. Engine not primed 3.
Excessive vibration Loss of power Loss of traction drive Loose parts or damaged parts Tighten all fasteners or replace damaged parts 1. S park plug wire loose 1. T ighten spark plug wire 2. G as gap vent hole plugged 2. C lean or replace fuel cap 3. D irty or clogged muffler 3. C lean or replace muffler 1. D rive control cable not adjusted properly 1. A djust drive control cable 2. D rive belt loose or damaged 3. F riction wheel worn 1. D ischarge chute clogged 2.
Two-Stage Snow Blower » Operator’s Manual PARTS DIAGRAM * Parts List on page 30 MAIN MACHINE * Parts List on page 30 Parts Diagram 30255JUS25M100.
HANDLEBARS B A 27 | Parts Diagram 30255JUS25M100.
Two-Stage Snow Blower » Operator’s Manual A B GEARBOX Parts Diagram 30255JUS25M100.
PARTS LIST No. Description Qty No. Description Qty No. Description Qty 1 Oil Seal M10x1 1 37 Plug 5 73 Extension Spring 1 2 Spiral Assembly-Right 1 38 Auger Housing Assy. 1 74 Auger Idler Mounting Bracket 1 3 FT Bolt M6x20 8 39 Screw ST5.
Two-Stage Snow Blower No. Description 109 Driven Pulley Bracket Qty 1 No. Description Qty No. » Operator’s Manual Description Qty 131 Bolt 5/16-24unf 2 153 FT Bolt M10x40 2 110 Friction Wheel Retaining Spring 1 132 Belt Blocker 1 154 FT Bolt M10x20 2 111 Flange Lock Nut M16x1.
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