RBH Sound RBH 180 - Manual (Page 24)

22
– English
TROUBLESHOOTING GUIDE
PROBLEM CORRECTION
Mower cuts ragged or
uneven
Mower leaves
unmowed strip
between blades
Mower scalps lawn
Mower will not
discharge clippings
Blade drive belt comes
off during use
Blade drive belt slips
Blade drive belt wears
excessively
Blades will not engage
1. Remove any accumulation of grass clippings from underside of mower deck housing.
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.
1. Mowing a heavy stand of grass or grass with excessive surface moisture could allow mower to leave an
unmowed strip.
2. Forward speed should be adjusted to mowing conditions by gear selection. Engine should be run at full
throttle.
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.
1. Check mower height adjustment setting and readjust if neaded. Scalping is more likely on rough or uneven
lawns.
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.
1. Remove any accumulation of grass clippings from underside of mower deck housing.
2. Wet conditions can cause the discharge funnel and underside of mower deck to become plugged with
clippings. Do not mow wet grass.
3. Forward speed should be adjusted to mowing conditions by gear selection. Engine should be run at full
throttle.
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.
1. Blade drive belt may suffer internal damage to cords when it comes off during use. If belt comes off after
checking all steps below, replace with a new original equipment belt.
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.
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.
1. Check all belt guides. Correct clearance is 1,5 mm from belt when blade engage level is engaged.
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.
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.