Troubleshooting Guide - Husqvarna CTH-180 (V) Operator's Manual

PROBLEM CORRECTION
Mower cuts ragged or 1. Remove any accumulation of grass clippings from underside of mower deck housing.
uneven 2. Make sure blades are sharp and in good condition (not bent or incorrectly mounted).
3. Check blade mounting screws. Blade screws must be tight.
4. Check mower deck leveling adjustment per manual. Adjust if necessary.
5. Check blade belt tension per manual. Adjust if necessary.
6. Check quill assemblies for damage or wear. Replace if necessary.
7. Check for possible damage to mower deck housing. Repair or replace if necessary.
Mower leaves 1. Mowing a heavy stand of grass or grass with excessive surface moisture could allow mower to leave an
unmowed strip
between blades 2. Forward speed should be adjusted to mowing conditions by gear selection. Engine should be run at full
3. Make sure blades are sharp and in good condition. Replace if necessary.
4. Check blade belt tension. Adjust if necessary.
5. Check quill assemblies for damage or wear. Replace if necessary.
6. Check for damage to mower deck housing. Repair if necessary.
Mower scalps lawn 1. Check mower height adjustment setting and readjust if neaded. Scalping is more likely on rough or uneven
2. Check for damage to mower deck housing. repair if necessary.
3. Check for bent blades or quills assemblies. Replace if necessary.
4. Check mower deck leveling adjustment and adjust if necessary.
Mower will not 1. Remove any accumulation of grass clippings from underside of mower deck housing.
discharge clippings 2. Wet conditions can cause the discharge funnel and underside of mower deck to become plugged with
3. Forward speed should be adjusted to mowing conditions by gear selection. Engine should be run at full
4. When mowing long grass make first cutting in high position, then recut at normal cutting height.
5. Check drive belt tension per manual. Adjust if necessary.
6. If blades have been replaced, make sure they have been properly mounted.
Blade drive belt comes 1. Blade drive belt may suffer internal damage to cords when it comes off during use. If belt comes off after
off during use
2. Check belt tension per manual. Adjust if necessary.
3. Check belt guide. Correct clearance is 1,5 mm from belt when blade engage lever is engaged.
4. Check mower deck leveling adjustment per manual. Adjust if necessary.
5. Check for and remove any foreign objects interfering with belt travel.
6. Check all pulleys on mower deck. A bent or split pulley could cause problems. Replace if necessary.
7. Check engine drive pulley inner surface. If inner surface is rough or split, pulley should be replaced.
8. Check blade engagement idler assembly for wear. Replace necessary parts.
Blade drive belt slips 1. If grass is too high or wet, belt slippage may occur.
2. Check belt for wear or damage. Replace if necessary.
3. Check blade belt tension per manual. Adjust if necessary.
4. Check blade drive belt tension spring. If spring is stretched or damaged, replace spring.
Blade drive belt wears 1. Check all belt guides. Correct clearance is 1,5 mm from belt when blade engage level is engaged.
excessively 2. Check for and remove any foreign objects interfering with belt travel.
3. Check pulleys for damage. Replace if necessary.
4. Make sure blade brake is clearing belt when mower clutch lever is engaged. Adjust or replace if necessary.
5. Make sure mower deck leveling adjustment is correct. Adjust when necessary.
6. Check blade belt tension per manual. Adjust if necessary.
Blades will not engage 1. Check belt. If worn or broken, replace. If belt is too loose, make belt adjustment.
2. Check engagement spring on deck engagement idler. If broken or damaged, replace.
3. Check for and remove any foreign objects interfering with engagement idler travel.
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TROUBLESHOOTING GUIDE

unmowed strip.
throttle.
lawns.
clippings. Do not mow wet grass.
throttle.
checking all steps below, replace with a new original equipment belt.