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TROUBLESHOOTING CHART:
Loss of power 6. Faulty spark plug. 6. Clean and regap or change
(continued) spark plug.
7. Dirty fuel fi lter. 7. Replace fuel fi lter.
8. Stale or dirty fuel. 8.
Empty fuel tank and refi ll tank
with fresh, clean gas o line.
9. Water in fuel. 9. Empty fuel tank and carbure-
tor, refi ll tank with fresh gas-
oline and replace fuel fi lter.
10.Spark plug wire loose. 10.Connect and tighten spark
plug wire.
11.Dirty engine air screen/fi ns. 11.Clean engine air screen/fi ns.
12.Dirty/clogged muffl er. 12.Clean/replace muffl er.
13.Loose or damaged wiring. 13.Check all wiring.
14.Carburetor out of adjustment. 14.See “To Adjust Carburetor”
in Service and Adjustments
section.
15.Engine valves out of 15.Contact an authorized
adjustment. service center/department.
Excessive 1. Worn, bent or loose blade. 1. Replace blade. Tighten
vibration blade bolt.
2. Bent blade mandrel. 2. Contact an authorized
service center/department.
3. Loose/damaged part(s). 3. Tighten loose part(s).
Replace damaged parts.
Engine dies when 1. Reverse operation system 1. Turn ignition key to
tractor is shifted (ROS) is not "ON" while ROS "ON" position.
into reverse mower or other attachment See Operation section.
is engaged.
Engine continues 1. Faulty operator-safety 1. Check wiring, switches and
to run when presence control system. connections. If not cor rect ed,
operator leaves contact an authorized
seat with service center/department.
attachment
clutch engaged
Poor cut - uneven 1. Worn, bent or loose blade. 1. Replace blade. Tighten
blade bolt.
2. Mower deck not level. 2. Level mower deck.
3. Buildup of grass, leaves, and 3. Clean underside of mower
trash under mower. housing.
4. Bent blade mandrel. 4. Contact an authorized
service center/department.
5. Clogged mower deck vent 5. Clean around man drels to
from build-up of grass, leaves,
open vent holes.
and trash around mandrels.
Mower blades will 1. Obstruction in clutch 1. Remove obstruction.
not rotate mechanism.
2. Worn/damaged mower drive 2. Replace mower drive belt.
belt.
3. Frozen idler pulley. 3. Replace idler pulley.
4. Frozen blade mandrel. 4. Contact an authorized
service center/department.
PROBLEM CAUSE CORRECTION