Columbia 28" Page 21 Operator'S Manual Download

Page: 21 / 23

NOTE: This section
addresses minor
service issues. For
further details,
contact customer
assistance.

Trouble-

Shooting

Cause

Problem

Remedy

Engine fails to start

1.  Choke not in CHOKE position.
2.  Spark plug wire disconnected.
3.  Fuel tank empty or stale fuel.
4.  Engine not primed.

5.  Faulty spark plug.
6.  Blocked fuel line.
7.  Safety key not in ignition on engine.
8.  Fuel shut-ff valve closed. (If Equipped)

1.  Move choke to CHOKE position.
2.  Connect wire to spark plug.
3.  Fill tank with clean, fresh gasoline.
4.  Prime engine as instructed in

“Operating Your Snow Thrower”.

5.  Clean, adjust gap, or replace.
6.  Clean fuel line.
7.  Insert key fully into the switch.
8.  Open fuel shut-off valve.

Engine runs erratic

1. Move choke lever to RUN position.

2. Clean fuel line; fill tank with clean,

fresh gasoline.

3. Drain fuel tank. Refill with

fresh fuel.

4. Contact Service Center.

1. Unit running on CHOKE.

2. Blocked fuel line or stale fuel.

3. Water or dirt in fuel system.

4. Carburetor out of adjustment.

Engine overheats

1. Contact Service Center.

1. Carburetor not adjusted properly.

Loss of power

1. Connect and tighten spark plug

wire.

2. Remove ice and snow from gas

cap. Be certain vent is clear.

3. Contact Service Center.

1. Spark plug wire loose.

2. Gas cap vent plugged.

3. Exhaust port plugged.

Unit fails
to propel itself

1. Adjust drive control cable. Refer to

“Adjustments”.

2. Replace drive belt.
3. Replace friciton wheel.

1. Drive control cable in need of adjust-

ment.

2. Drive belt loose or damaged.
3. Friction wheel worn.

Excessive
Vibration

1. Loose parts or damaged auger.

1. Stop engine immediately and

disconnect spark plug wire. Tighten
all bolts and nuts. If vibration
continues, have unit serviced by a
Service Center.

Unit fails
to discharge snow

1. Stop engine immediately and

disconnect spark plug wire. Clean
chute assembly and inside of
auger housing with clean-out tool
or a stick.

2. Stop engine immediately and

disconnect spark plug wire.
Remove object from auger with
clean-out tool or a stick.

3. Refer to “Auger Control Test” .

4. Refer to Maintenance section.
5. Replace with new shear pin(s).

1. Chute assembly clogged.

2. Foreign object lodged in auger.

3. Auger control cable in need of adjust-

ment.

4. Auger belt loose or damaged.
5. Shear pin(s) sheared.

Summary of Contents for 28"

Page 1: ...D IN U S A OPERATOR S MANUAL IMPORTANT READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATING EQUIPMENT LES DISTRIBUTIONS RVI LIMITÉE 2955 JEAN BAPTISTE DESCHAMPS LACHINE QUEBEC H8T 1C5 MTD LLC P O BOX 361131 CLEVELAND OHIO 44136 0019 769 05178 6 17 09 28 30 33 45 Two Stage Snowthrowers ...

Page 2: ...t Customer Support 1 If you have difficulty assembling this product or have any questions regarding the controls operation or maintenance of this unit please call an authorized dealer Please have your unit s model number and serial number ready when you call See previous section to locate this information 2 The engine manufacturer is responsible for all engine related issues with regards to perfor...

Page 3: ... before refueling WARNING CARBON MONOXIDE Never run an engine indoors or in a poorly ventilated area Engine exhaust contains carbon monoxide an odorless and deadly gas WARNING ELECTRICAL SHOCK Do not use the engine s electric starter in the rain 1 Safety Symbols This page depicts and describes safety symbols that may appear on this product Read understand and follow all instructions on the machine...

Page 4: ...uel tank Fill tank to no more than inch below bottom of filler neck to provide space for fuel expan sion g Replace gasoline cap and tighten securely h If gasoline is spilled wipe it off the engine and equipment Move machine to another area Wait 5 minutes before starting the engine i Never store the machine or fuel container inside where there is an open flame spark or pilot light e g furnace water...

Page 5: ...rnor controls the maximum safe operating speed of the engine 5 Snowthrower shave plates and skid shoes are subject to wear and damage For your safety protection frequently check all components and replace with original equipment manufac turer s OEM parts only Use of parts which do not meet the original equipment specifications may lead to improper performance and compromise safety 6 Check controls...

Page 6: ...3 2 Raise the upper handle assembly until it locks over the lower handle See Figure 3 1 Secure the upper handle and lower handle and support tubes if equipped with the handle knobs washers and carriage bolts previously removed Tighten the handle knobs already in place on the upper holes Remove any rubber bands securing the cables to the wing nuts Attaching Chute Crank Remove the hairpin clip from ...

Page 7: ...ing sure the flange keepers are beneath lip of chute adapter The notches should engage with the spiral end of the chute crank See Figure 3 6 Secure flange keeper locknuts and screws previously removed Tighten all flange keepers and hardware with two 7 16 wrenches Do not over tighten NOTE If necessary the chute crank support bracket can be adjusted so the spiral on the chute crank fully engages the...

Page 8: ...ty Clean OutTool The clean out tool is mounted to the rear of the auger housing and is designed to clear a clogged chute See Figure 3 10 Refer to the Operation section for more detailed information regarding the chute clean out tool NOTE This item is fastened with a cable tie to the rear of the auger housing at the factory Cut the cable tie before operating the snow thrower WARNING Never use your ...

Page 9: ...e Figure 3 11B the cable should have very little slack but should NOT be tight WARNING Do not over tighten the cable Over tightening may prevent the auger from disengaging and compro mise the safety of the snow thrower In a well ventilated area start the snow thrower engine as instructed on page 12 While standing in the operator s position behind the snow thrower engage the auger Allow the auger t...

Page 10: ...leased in order to stop auger Figure 4 1 Operating Your Snowthrower WARNING Read understand and follow all instruc tions and warnings on the machine and in this manual before operating Use extreme care when handling gasoline Gasoline is extremely flammable and the vapors are explosive Never fuel the machine indoors or while the engine is hot or running Extinguish cigarettes cigars pipes and other ...

Page 11: ...ng on gravel or crushed rock surfaces See Making Adjustment Section Headlight The headlight is on whenever the engine is running Two Way Chute Control optional This two way control lever is meant to control the distance of snow discharge from the chute Tilt the lever forward or rearward to adjust the distance snow will be thrown AUGER CONTROL GO DRIVE CONTROL GO Chute Directional Control The chute...

Page 12: ...d then slowly rotate the choke into RUN position Engines with Electric Starters WARNING The electric starter is equipped with a grounded three wire power cord and plug and is designed to operate on 120 volt AC household current It must be used with a properly grounded three prong receptacle at all times to avoid the possibility of electric shock Follow all instructions carefully prior to operating...

Page 13: ...inst the right handle and the snowthrower will move Release it and the drive motion will stop To Engage Augers 1 To engage augers and start snow throwing squeeze the left hand auger control against the left handle Release to stop augers 2 While the auger control is engaged squeeze the drive control to move release to stop Do not shift speeds while the drive is engaged NOTE The drive control lever ...

Page 14: ...the ferrule lines up with the hole from which it was earlier removed See Figure 5 1 5 From the direction noted earlier insert the ferrule into the proper hole 6 Reinstall the washer and the internal cotter pin Drive Control WARNING Run the engine com pletely dry of gasoline before tipping snowthrower Refer to the Final Adjustment section of the Set Up instructions to adjust the drive control To fu...

Page 15: ...as follows 1 Loosen but do not remove the hex flange locknuts which fasten the skid shoe to the auger housing 2 Raise or lower the skid shoe to desired position 3 Retighten the hex nuts loosened earlier NOTE Make certain the bottom surface of skid shoe is flat against the ground to avoid uneven wear 4 Repeat on the other side of the snow thrower Auger Control Refer to instructions on page 9 to adj...

Page 16: ... if the pins have sheared Replacement shear pins have been provided with the snowthrower When replacing pins spray an oil lubricant into shaft before inserting new pins Shave Plate and Skid Shoes The shave plate and skid shoes on the bottom of the snowthrower are subject to wear They should be checked periodically and replaced when necessary To remove skid shoes 1 Remove the carriage bolts and was...

Page 17: ... of the the frame assembly use a 1 2 wrench to remove the three hex tap screws securing the frame to the auger housing assembly See Figure 6 8 NOTE Do not remove the lower hex flange lock nut on each side IMPORTANT NEVER replace the auger shear pins with standard pins Any damage to the auger gearbox or other components as a result of doing so will NOT be covered by your snowthrower s warranty Chec...

Page 18: ...er input shaft and push the pulley and adapter onto the input shaft Refer to Figure 6 10 13 Slide the washer onto the hex screw removed earlier and apply Loctite 262 to the threads of the hex screw 14 Insert the hex screw through the pulley assembly and into the threads of the input shaft Torque the hex screw to 250 325 in lbs to secure the auger pulley assembly on the input shaft If also replacin...

Page 19: ...riction wheel assembly Insert the hex shaft through the sprocket and the spacer Make certain that the chain engages both the large and the small sprocket NOTE If the sprocket fell from the snowthrower while removing the hex shaft align sprocket on chain place the sprocket on the hex shaft Position the hex hub of the sprocket toward the friction wheel when sliding the sprocket on to the hex shaft S...

Page 20: ...prepare for storage as instructed in the separate engine manual packed with your snowthrower Clean snowthrower thoroughly Lubricate as instructed in the Maintenance section of this manual Refer to engine manual for correct engine storage instructions Store the snowthrower in a clean dry area When storing any type of power equipment in a poorly ventilated or metal storage shed care should be taken ...

Page 21: ... Center 1 Carburetor not adjusted properly Loss of power 1 Connect and tighten spark plug wire 2 Remove ice and snow from gas cap Be certain vent is clear 3 Contact Service Center 1 Spark plug wire loose 2 Gas cap vent plugged 3 Exhaust port plugged Unit fails to propel itself 1 Adjust drive control cable Refer to Adjustments 2 Replace drive belt 3 Replace friciton wheel 1 Drive control cable in n...

Page 22: ...use or exposure d Service completed by someone other than an authorized service dealer e MTD does not extend any warranty for products sold or exported outside of Canada including possessions and territories f Replacement parts that are not genuine MTD parts g Transportation charges and service calls h If Products are used commercially MTD may separately offer Limited Commercial Warranties on cert...

Page 23: ... AGAINST THESE COMPONENTS MUST BE HANDLED THROUGH THE RESPECTIVE MANUFACTURERS SERVICE DEALERS Belts light bulbs clutch parts friction wheels grass bags tires seats rider deck wheels and cutting blades are covered by a 60 day limited warranty Batteries are warranted against defect for 90 days at 100 of their value and 50 of their value for the period between the 91st day and the 120th day Fuses sh...

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