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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 a qualifi ed service
adjustment. center.
Excessive 1. Worn, bent or loose blade. 1. Replace blade. Tighten blade
vibration bolt.
2. Bent blade mandrel. 2. Contact a qualifi ed service
center.
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 a qualifi ed service
seat with center.
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 a qualifi ed service
center.
5. Clogged mower deck vent 5. Clean around man drels to
from build-up of grass, leaves,
open vent holes.
and trash around mandrels.
PROBLEM CAUSE CORRECTION
TROUBLESHOOTING CHART:
See ap pro pri ate section in manual un less di rect ed to a service center