YARDMAX YB6770 User Manual

Excessive vibration Loose parts or damaged parts
Tighten all fasteners or replace damaged
parts
Loss of power
1. Spark plug wire loose
2. Gas gap vent hole plugged
3. Dirty or clogged mufer
1. Tighten spark plug wire
2. Clean or replace fuel cap
3. Clean or replace mufer
Loss of traction drive
1. Drive control cable not adjusted
properly
2. Drive belt loose or damaged
3. Friction wheel worn
1. Adjust drive control cable
2. Replace drive belt
3. Replace friction wheel
Loss of snow
discharge or slowing
of snow discharge
1. Discharge chute clogged
2. Augers or impeller jammed
3. Auger control cable not adjusted
properly
4. Auger belt loose or damaged
5. Shear pin(s) sheared
6. Throttle not in FAST position when
throwing snow
7. Moving too fast to clear the snow
8. Throwing too much snow
9. Trying to remove extremely heavy
or wet snow
10. Auger is frozen in place
1. Unclog discharge chute
2. Remove debris or foreign object from
augers or impeller
3. Adjust auger control cable
4. Replace auger belt
5. Replace with new shear pin(s)
6. Move throttle to FAST position
7. Shift into a lower gear
8. Reduce speed and width of swath
9. Do not overload with extremely heavy
or wet snow
10. Move unit to a warm place to thaw
Discharge chute
either does not lock
into place or does not
move
1. The discharge chute control not
adjusted properly
2. Chute assembly incorrectly
1. Adjust the discharge chute control
2. Disassemble chute control and
reassemble as instructed in this manual
Machine does not
properly clear the
snow of the surface
1. The skid shoes and/or scraper
blade not adjusted properly
2. The pressure in the tires not equal
1. Adjust the skid shoes and/or the
scraper blade
2. Check and adjust the pressure in one
or both tires
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Troubleshooting
30255JUS25M100.indd 25 2016/9/2 14:49:42

YARDMAX YB6770 Specifications

General

Brand	YARDMAX
Model	YB6770
Category	Snow Blower
Language	English