Справочник Пользователя для John Deere 100 Series

Troubleshooting - 41

Engine Runs 
Unevenly

Cooling fins plugged.

Loose electrical connections.

Choke or throttle cable sticking.

Fuel line or fuel filter plugged.

Stale or dirty fuel.

Improper fuel.

Air cleaner element plugged.

Engine Misses 
Under Load

Faulty spark plug.

Stale or dirty fuel.

Plugged fuel filter.

Engine Vapor 
Locks

Fuel tank vent plugged.

Dirt in fuel filter.

Cooling fins plugged.

Loose hose connection at fuel filter or fuel pump.

Engine Overheats

Engine air intake screen plugged.

Cooling fins plugged.

Engine oil low or too high.

Engine operated too long at a slow idle speed.

Engine Will Not 
Idle

Spark plug not gapped correctly.

Faulty spark plug.

Operator raising off the seat.

Engine Knocks

Stale or low octane fuel.

Engine overloaded.

Low engine speed.

Oil level low.

Engine Stops Or 
Misses When 
Operating On 
Hillsides

Fuel tank less than half full of fuel.

Operator raising off of the seat.

Engine Backfires

Faulty spark plug.

Operator raising off of the seat.

Engine Loses 
Power

Engine overheating.

Too much oil in engine.

Dirty air cleaner.

Faulty spark plug.

Travel speed is too fast for conditions.

Improper fuel.

Excessive Fuel 
Consumption

Choke is not fully open.

Black Exhaust 
Smoke

Air filter is dirty or oil soaked.

Choke partially engaged.

Engine Stops 
When REVERSE 
Foot Pedal Is 
Depressed And 
Attachment Is 
Engaged 
(Hydrostatic)

Normal condition. (See Using Reverse Implement 
Option in the OPERATING section.)

Engine Stops 
When Gear Shift 
Lever Is Moved To 
The R 
(REVERSE) 
Position and 
Attachment Is 
Engaged (Gear)

Normal condition. (See Using Reverse Implement 
Option in the OPERATING section.)

Starter Does Not 
Work Or Will Not 
Turn Engine

Brake pedal is not depressed.

Mower is engaged.

Battery terminals are corroded.

Battery not charged.

Blown fuse.

Fusible Link in starting circuit is blown - See your 
authorized dealer

Battery Will Not 
Charge

Dead cell in the battery.

Battery cables and terminals are dirty.

Low engine speed or excessive idling.

Lights Do Not 
Work

Light plug disconnected.

Loose or burned out bulb.

Tractor Vibrates Too Much 
Or Rattles Excessively

Attachment drive belts worn or damaged.

Traction drive belt damaged or worn.

Dirt on drive sheaves.

Blades bent or out of balance.

Tractor Will Not Move With 
Engine Running

Parking brake locked.

Free-wheeling lever is engaged.

Tractor Performance 
Becomes Slow or Jerky

Front wheels lift off ground more than 6 
in. when quickly engaging drive in 5th 
gear--replace mower drive belt. (Gear)

Discharge Chute Plugged

Travel speed too fast.

Grass too long.

Grass too wet.

Engine rpm not at wide open 
throttle.

Restricted air flow.

Belt installed incorrectly.