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Troubleshooting
48ZS
Problem
Possible Causes
Solution
Mower will not move
1.
Brake ON
1.
Release brake on control panel
forward or reverse
2.
Bypass levers pulled out
2.
Ensure bypass pins are retracted
Cannot move mower
1.
Bypass not engaged
1.
Pull left and right bypass pins and set them in slots
when the engine is off
in the chassis (p. 12)
Engine is overheating
1.
Dirt in the fuel line
1.
Replace fuel filter and flush tank
2.
Dirty air filter
2.
Clean or replace the air filter
3.
Low engine oil
3.
Add engine oil
4.
Fouled spark plug
4.
Replace spark plug
5.
Misuse of the mower
5.
Mowslower,
wait for grass to dry out
6.
Dull blades
6.
Sharpen cutting blades
7.
Spindle bearing failure
7.
Take in for service
Grass not cut smoothly or
cleanly
Mower always pulls to
one side
1.
Bull blades
2.
Mowing too fast for conditions
3.
Grass is wet or bent over
4.
Blade is bent
5.
Tire pressure not equal
6.
Deck is set at uneven heights
7.
Blades are set upside down
8.
Excessive grass and debris
build up underneath the deck
1.
Sharpen blades
2.
Slow down while cutting
3.
Let grass dry to stand up
4.
Replace blade
5.
Add air pressure tolowtires
6.
Set deck at equal heights
7.
Take blades off and install correctly
8.
Clean out debris
1.
Controls out of adjustment
2.
Transmission failure
1.
Adjust controls (p. 12)
2.
Take in for service
Rev:
May2011
STANLEY 48" ZS
28
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