Troubleshooting Guide - FGM TC 155 GTI Operator's Manual

PROBLEM
1. Remove any accumilation of grass clippings from underside of mower deck housing.
2. Make sure blades are sharp and in good condition (not bent or incorrectly mounted).
Mower cuts
3. Check blade mounting screws. Blade screws must be tight.
ragged or
uneven 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 if necessary.
Mower leaves 1. Mowing a heavy 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.
unmowed
3. Make sure blades are sharp and in good condition. Replace if necessary
strip between
blades 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 needed. Scalping is more likely on rough or uneven lawns.
Mower scalps
lawn 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.
Mower will
2. Wet conditions can cause the discharge tunnel and underside of mower deck to become plugged with clippings.
not discharge
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 norman 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 if it comes off during use. If belt comes off after checking
Blade drive
all steps below, replace with a new original equipment belt.
belt comes off
during use 2. Check belt tension per manual. Adjust if necessary.
3. Check belt guide. Correct clearance is 1.5mm 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 1. If grass is too high or wet, belt slippage may occur.
2. Check belt for wear or damage. Replace if necessary.
belt slips
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 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.
belt wears
3. Check pulleys for damage. Replace if necessary.
excessively
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 tension per manual. Adjust if necessary.
1. Check belt . If worn or broken, replace. If belt is too loose, make belt adjustment.
Blades will
not engage 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.

TROUBLESHOOTING GUIDE

CORRECTION
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