Yard-Man 247.27019 Lawn Mower User Manual


 
20
SECTION 10: TROUBLE-SHOOTING
Trouble Possible Cause Remedial Action
Excessive vibration 1. Bent or damaged blade
2. Bent blade.
1. Stop engine immediately. Check all
pulleys, blade adapters, keys and bolts for
tightness and spindle damage. Tighten or
replace any damaged parts.
2. Stop engine immediately. Replace
damaged blade. Only use original
equipment blades.
Mower will not
discharge grass or
leaves uncut strips
1. Engine speed low.
2. Speed selection.
3. Cutting height set too low.
4. Blades short or dull.
1. Throttle must be set at full throttle.
2. Use lower ground speed. Slower the
ground speed, better the quality of cut.
3. Raise the deck.
4. Sharpen or replace blades .
Broken Belt 1. Sudden stop or shock load to belt
2. Incorrect belt used
3. Belt engaged abruptly
4. Defective or damaged belt
1. Inspect rider for cause such as foreign
objects stuck in between deck and frame or
belt path. Remove obstruction and check
for damage. Replace belt if needed.
2. Replace with proper belt. Check Parts list
in this manual for correct part number.
3. Engage belt slowly by depressing the
blade engagement pedal slowly.
4. Replace with proper belt. Follow
instructions on page 15.
Belt comes off 1. Belt too loose; stretched
2. Broken or weak idler spring
1. Readjust belt. Replace if needed. Follow
instructions for belt replacement in the
Service and Adjustments section.
2. Replace. Order with correct part number
from Parts List in this manual.
Belt shreds 1. Belt guides or guards incorrectly adjusted
2. Pulleys not aligned
3. Pulley rusted or in otherwise bad condition;
frozen bearing
1. Adjust belt guides and guards so that these
are approximately 1/16 to 1/8 inch from belt
when engaged.
2. Realign pulleys to be within approximately
1/16 inch of each other. Check with straight
edge. Make sure fastening hardware is
tight.
3. Replace pulleys. Order with correct part
number from the Parts List in this manual.
Adjust new pulleys to 1/16 inch.
Engine will not crank 1. Safety switch button not depressed
2. Battery installed incorrectly
3. Battery dead or weak.
4. Blown fuse or circuit breaker
5. Engine ground wire loose.
1. There are two switches in the starting
circuit of your unit. Make sure that the
actuator is fully depressing both switch
buttons. Brake pedal must be depressed
and blade engagement pedal disengaged.
2. Install the battery with negative terminal
attached to the black ground wire. Attach
the positive terminal to the red wire which
goes to the solenoid.
3. Replace battery.
4. Replace fuse following instructions on
page 16.
5. Make sure the black ground wire runs from
engine to frame or mounting bolt.