Troy-Bilt TB 370 XP Manual Del Operador página 20

Problem
Occasional skips
(hesitates) at
high speed
Idles poorly
Excessive Vibration
Mower will not
mulch grass
Uneven cut
Mower will not self propel
High pullback effort
20 S 8 — t
ection roubleShooting
Cause
1. Spark plug gap too close.
1. Spark plug fouled, faulty, or gap too wide.
2. Dirty air cleaner.
1. Cutting blade loose or unbalanced.
2. Bent cutting blade.
1. Wet grass.
2. Excessively high grass.
3. Dull blade.
1. Wheels not positioned correctly.
2. Dull blade.
1. Belt not installed properly.
2. Debris clogging drive operation.
3. Damaged or worn belt.
4. Drive control out of adjustment.
1. Pulling mower backwards before
transmission disengages.
Remedy
1. Adjust gap. Refer to engine manual.
1. Reset gap or replace spark plug. Refer to
engine manual.
2. Refer to engine manual.
1. Tighten blade and adapter. Balance blade.
2. See an authorized service dealer.
1. Do not mow when grass is wet; wait until
later to cut.
2. Mow once at a high cutting height, then mow
again at desired height or make a narrower
cutting path.
3. Sharpen or replace blade.
1. Place front and rear wheels in same height
position. (Dual Height Adjusters)
2. Sharpen or replace blade.
1. Check belt for proper pulley installation and
movement.
2. Stop engine, disconnect spark plug boot,
and clean out debris.
3. Inspect and replace belt.
4. Adjust drive control. (See Maintenance &
Adjustments section).
1. Allow the unit to roll forward slightly without
the drive lever(s) engaged before pulling
backwards.