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Two-Stage Snow Blower
Operator's Manual
MODEL NUMBER
YB6870
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
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Summary of Contents for YARDMAX YB6870
- Page 1 Save This Manual for Future Reference Two-Stage Snow Blower Operator’s Manual MODEL NUMBER YB6870 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.
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Page 2: Table Of Contents
Up for the job? YARDMAX is. When looking for outdoor power equipment (OPE) to get the job done right, at the right price, YARDMAX delivers the perfect combination of performance and practicality. YARDMAX has a solution that’s right for you. - Page 3 6870100010718 www.P65Warnings.ca.gov. ENVIRONMENTAL DISCLAIMER YARDMAX reserves the right to discontinue, change, Recycle unwanted materials instead of disposing of and improve its products at any time without notice them as waste. All tools, hoses, and packaging should be taken to the local recycling center and disposed of or obligation to the purchaser.
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Page 4: Specifications
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 Yb6870 Clearing Width 26" Engine Displacement 208cc Start Type Electric Auger Diameter 12"... -
Page 5: Symbols
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. Do not remove or tamper with the Read these instructions carefully. protection and safety devices. Wear eye protection. -
Page 6: Safety
SAFETY GENERAL SAFETY RULES Wear appropriate hearing protection. UNDERSTAND YOUR MACHINE Read this manual and labels affixed to the machine to understand Always keep hands and feet away from all moving parts during its limitations and potential hazards. operation. Moving parts can cut or crush body parts. be thoroughly familiar with the controls and their proper Always keep hands and feet away from all pinch points. - Page 7 Two-Stage Snow blower Operator’s Manual » Keep grounded conductive objects, such as tools, away from ENGINE SAFETY exposed, live electrical parts and connections to avoid sparking or This machine is equipped with an internal combustion engine. arcing. These events could ignite fumes or vapors. Do not use on or near any unimproved, forest covered, or brush covered land unless the exhaust system is equipped with a spark Always stop the engine and allow it to cool before filling the fuel...
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Page 8: Unpacking The Container
Check clutch and brake operation frequently. Adjust and service Do not operate on steep slopes. Do not clear snow across the as required. All motion of drive wheels and auger/impeller must face of slopes. Keep all movement on slopes slow and gradual. Do stop quickly when control levers are released. -
Page 9: Contents Supplied
Two-Stage Snow blower Operator’s Manual » COnTEnTS SUPPLIED Your YARDMAX snow blower comes partially assembled and contains the following: Premium 4-Cycle NET CONTENTS 20 OZ (0.6 L) OPTIONAL OPTIONAL Handware Kit 1. Main Machine M8 × 45 × 4 2. Discharge Chute M8 ×... -
Page 10: Assembly
ASSEMbLY This snow blower was partially assembled at the factory. To assemble your machine follow the below instructions. HANDLEBARS SKID SHOES Loosen the two bolts on the sides of the transmission housing. Place the machine is on a level and solid surface. Slide the lower handle slots in-between the transmission and the Lift the machine so that the scrapper blade is 1/8”... - Page 11 Two-Stage Snow blower Operator’s Manual » Remove the gear cover by removing the two ST4.8×13 self- Jam Nut tapping screws. (See Figure 4c) ST4.8×13 (×2) M8×20 (×2) Cable Bracket Figure 4c Connect the chute lock cable to the lock latch by fitting the cable ball end into the slot on the lock latch and then insert Figure 4a the chute lock cable fitting into the bracket on the chute...
- Page 12 If the above adjustment does not create enough cable tension, follow the steps below: a. Loosen the jam nut by turning it counter clockwise with 10 mm wrench. (see Figure 4e, Illustration 1) b. Tighten or loosen the cable by turning the cable adjustment nut clockwise or counter clockwise with 10 mm wrench until you have reached your required tightness.
- Page 13 Two-Stage Snow blower Operator’s Manual » SPEED SHIFT LINKAGE Lift up the shift rod. Insert the trunnion into the shift rod hole on the bottom of the shift lever under the dashboard. Install Place the shift arm on shift yoke. Make sure the linkage plate the washer and M8 nut.
- Page 14 TIRES CABLE BINDING The tires are over-inflated at factory for shipping purposes. bind the two cables to the chute rod by two cable ties. Check the pressure in the tires prior to usage. Reduce or increase air pressure to ensure equal tire pressure to the manufacturer’s recommended pressure.
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Page 15: Know Your Machine
Two-Stage Snow blower Operator’s Manual » KnOW YOUR MACHInE FEATURES AND CONTROLS Drive Clutch Lever Speed Shift Lever Shear Pin 4-way Chute Directional Control Auger Gearcase Heated Grips Scraper Blade Auger Clutch Lever Auger Headlight Chute Crank Chute Deflector Handle Chute Deflector Belt Cover Discharge Chute... - Page 16 SPEED SHIFT LEVER DRIVE CLUTCH LEVER The speed shift lever has 8 positions: 6 forward Squeeze the clutch lever against the handgrip to engage the transmission. speeds and 2 reverse. To change speeds, move the Release to disengage. speed shift lever to the desired position. The lever locks in a notch at each speed selection.
- Page 17 Two-Stage Snow blower Operator’s Manual » SHEAR PINS Make sure the discharge chute is pointed in a safe direction (no vehicles, buildings, people, or other The augers are secured to the auger shaft with shear objects are in the direction of discharge). Restart pins and clevis pins.
- Page 18 ELECTRIC STARTER & START BUTTON Thoroughly inspect the electrical cord before The electric starter will start a properly choked and using the machine. If the cord is damaged, do primed engine when start button (120V AC) is pushed. not operate the machine. Replace or repair the damaged cord immediately.
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Page 19: Adjustment
Two-Stage Snow blower Operator’s Manual » ADJUSTMEnT SKID SHOES AUGER CLUTCH AND DRIVE CLUTCH Position the skid shoes based on surface conditions. When auger clutch lever or drive clutch lever is For removal of snow in normal conditions, such as released and in the disengaged position, the cable a paved driveway or sidewalk, place skid shoes in should have very little slack. - Page 20 Loosen adjusting nuts on cable support bracket. × 2 Slide the control cable up or down by threading adjusting nuts to increase cable tension or provide more slack. Cable Support Bracket Tighten nuts after proper adjustment is achieved. CHUTE LOCK LATCH If the discharge chute does not lock into the desired Adjusting Nuts position or does not unlock so that chute rotates freely,...
- Page 21 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.
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Page 22: Operation
OPERATION FREEWHEELING AND SELF-PROPELLING STARTING AND STOPPING THE ENGINE 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 Before starting the engine, check engine oil level and easier turning of the unit;... - Page 23 Two-Stage Snow blower Operator’s Manual » COLD START - RECOIL STARTER 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 1. be sure fuel shutoff valve is in the OPEn position. and warming temperatures.
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Page 24: Maintenance
MAInTEnAnCE ENGINE Refer to the Engine Operator’s Manual. LUBRICATION AUGER GEARBOX 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. -
Page 25: Service
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 If the auger belt becomes worn, oil-soaked, or otherwise damaged, included with your snow blower. Store them in a safe place until proceed as follows to replace the belt. - Page 26 b. Pivot the idle pulley toward the right to relieve tension. c. Lift the drive belt off engine pulley. (See Figure 17a) Figure 16c 6. Release the spring from the connecting hole in the braking bracket. Move the braking bracket away from the belt. Remove the belt from around the auger pulley, and slip the belt between Figure 17a the support bracket and the auger pulley.
- Page 27 Two-Stage Snow blower Operator’s Manual » FRICTION WHEEL REPLACEMENT If an assistant is available, you can also separate the auger housing from the frame assembly to replace belts. If the snow blower fails to drive with the drive clutch engaged, and performing the clutch control cable adjustment fails to correct the 1.
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Page 28: Storage
6. Remove the other bearing from the left side of the frame by If you only want to replace the rubber ring, proceed as follows: removing the snap ring. 1. Remove the eight screws which secure the friction wheel’s side plates together. -
Page 29: Troubleshooting
Two-Stage Snow blower Operator’s Manual » TROUbLESHOOTInG Problem Cause Remedy 1. Connect the extension cord to the 1. Extension cord not connected outlet and/or the machine Electric starter does 2. The extension cord is worn, not turn(on models so 2. Replace the extension cord corroded, or damaged equipped) 3. - Page 30 Tighten all fasteners or replace damaged Excessive vibration Loose parts or damaged parts parts 1. Spark plug wire loose 1. Tighten spark plug wire Loss of power 2. Gas gap vent hole plugged 2. Clean or replace fuel cap 3. Dirty or clogged muffler 3.
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Page 31: Parts Diagram
Two-Stage Snow blower Operator’s Manual » PARTS DIAGRAM Parts Diagram YB6870PM00 - 1807... - Page 32 Parts Diagram YB6870PM00 - 1807...
- Page 33 Two-Stage Snow blower Operator’s Manual » Parts Diagram YB6870PM00 - 1807...
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Page 34: Parts List
PARTS LIST Description Description Description 1 Gear Cover 39 bearing box 77 big Flat Washer 8 2 Flange Lock nut M6 40 Screw ST8×16 78 Auger belt 3 Main Steering Gear 41 big Washer 79 Spring Washer 8 4 Rotating Shaft bush 42 Shear Pin 80 bolt M8×25 5 Minor Steering Gear... - Page 35 Two-Stage Snow blower Operator’s Manual » Description Description Description 115 Spin Axis 155 Speed Shift Lever Grip-Left 195 Thick Lock nut M5 116 Screw M6×16 156 Screw M5×12 196 FT bolt M5×12 117 Fork bracket 157 Retainer Spring 197 Thick Lock nut M6 118 Fork Assembly 158 FT bolt M10×60 198 Lower Handle...
- Page 36 Tame the Great Outdoors ® 844-YARDMAX info@yardmax.com (844-927-3629)
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