Powersmart DB7127, Instruction Manual

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24
Problem Causes Remedy
Drive system
No forward or
reverse drive
movement when
drive handle
engaged
Drive belt loose or damaged
Check drive belt tension pulley for damage or
incorrect tension, repair as necessary. Replace
drive belt.
Friction drive wheel is worn or damaged Replace friction drive wheel
Friction drive wheel wet or slipping
Allow snow blower to dry and or warm up or
adjust drive cable tension as necessary
Wheel to axle pins broken or missing Replace pins attaching wheels to axle
Drive speed control
stuck in gear or
won’t change gears
Speed control lever loose or damaged, not
moving speed control cables
Check speed control lever and cables for damage
or loose or missing parts. Repair or replace parts as
needed, ensure pivot stud spring tension is correct,
adjust pivot nut spring tension as needed.
Speed control cables loose, damaged or
binding
Repair, adjust or replace as necessary
Drive speed control
allows only 1
direction
Speed control cables misadjusted, loose,
damaged or binding
Check speed control lever and cables for damage
or loose or missing parts. Repair or replace parts as
needed. Adjust drive speed control cables, see
Drive Speed Control Cables Adjustment
Drive engaged
when drive control
handle released
Drive control cable binding, won’t release Repair, replace cable as necessary
Friction drive wheel return spring broke or
missing
Replace spring, adjust cable as necessary
Auger System
Auger not rotating
when auger control
handle engaged or
Not blowing snow
or Poor snow
blowing
performance
Chute assembly clogged
Clean chute and inside of auger housing with
clean-out tool
Auger shear pins broken
Replace shear pins. Check each auger blade shear
pin.
Foreign object in auger or impeller causing
auger to stop without shearing pins
Remove object from auger or impeller areas
Auger belt loose, slipping, worn or
damaged
Replace auger belt
Auger belt tension cable loose, damaged or
binding
Repair, adjust or replace as necessary
Auger blade(s) damaged or bent Replace auger blade(s)
Auger gearbox mechanical damage, auger
drive system not rotating freely (binding)
Check bearings, bushings and all system parts for
damage or mechanical binding. Repair or replace
as necessary using proper lubrication
Impeller damaged Replace impeller
Impeller not connected to impeller shaft,
impeller or shear pins broken
Replace shear pins or impeller as necessary
Forward speed too fast while blowing
snow, overload
Allow engine to maintain its speed.