John Deere BG21274 S140 48-in 22-HP V-twin Gas Riding Lawn Mower

100 Series Lawn Tractors Operator's Manual - Page 46

For BG21274. Also, The document are for others John Deere models: S100, S110, S120, S130, S140, S160, S170, S180

PDF File Manual, 60 pages, Read Online | Download pdf file

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APY36180—UN—10JUL20
2. Safely lift and support machine. Place safe lifting device under
transmission centered under machine frame point (A). Place
jackstands or other stable supports on each side (B) where
mounting bolts for frame come through. Block wheels remaining on
the ground to prevent machine movement.
APY36185—UN—10JUL20
3. Remove plastic cap (C), snap ring (D), and washer (E).
4. Remove wheel.
IMPORTANT: Avoid damage! Do not lose the shaft key. Key must
be installed for wheels to rotate and tractor to move.
5. Remove shaft key (F) (shown on end of transmission shaft), two
washers (G), except for model S100, and spacer (H).
CAUTION: Avoid injury! Explosive separation of tire and rim
parts is possible when they are serviced incorrectly:
Do not attempt to mount a tire without the proper
equipment and experience to perform the job.
6. Take wheel assembly to an authorized service dealer for repairs.
Installing
IMPORTANT: Avoid damage! Do not lose the shaft key. Key must
be installed for wheels to rotate and tractor to move.
NOTE: Rear wheels are installed with valves to the outside.
1. Install two washers (G), except on model S100, spacer (H), and
shaft key (F).
2. Install rear wheel, washer (E), snap ring (D), and plastic cap (C).
3. Safely remove jackstands and lower machine.
SR99263,00002F1-19-03JUL20
Troubleshooting
Using Troubleshooting Chart
If you are experiencing a problem that is not listed in this chart, see
your Technical Manual or authorized dealer for service.
MP47322,00F467B-19-13NOV18
Engine
IF CHECK
Poor Engine Performance Dirt in fuel system or fuel is old.
Replace fuel with fresh stabilized
fuel. Obtain fuel from another
supplier before suspecting
machine problems. Suppliers
blend fuels di󰀨erently and
changing suppliers will generally
solve any performance
problems.
Fuel blended with alcohol or
ether may contribute to
performance problems by
causing gum and varnish
deposits, especially if fuel is
stored for several weeks or more.
Obtain fresh fuel.
Engine Will Not Start Brake pedal not depressed.
Mower is engaged.
Spark plug wire is loose or
disconnected.
Improper fuel.
Transmission is in reverse.
Plugged fuel lter.
Defective safety switch.
Electrical problem - See
Electrical Troubleshooting
Section
Engine Is Hard To Start Choke cable not adjusted
properly.
Plugged fuel lter.
Faulty spark plug.
Stale or improper fuel.
Loose or corroded electrical
connections.
Improper engine oil viscosity.
Engine Runs Unevenly Cooling ns plugged.
Loose electrical connections.
Choke or throttle cable sticking.
Fuel line or fuel lter plugged.
Stale or dirty fuel.
Improper fuel.
Air cleaner element plugged.
Engine Misses Under Load Faulty spark plug.
Stale or dirty fuel.
Plugged fuel lter.
Engine Vapor Locks Fuel tank vent plugged.
Dirt in fuel lter.
Cooling ns plugged.
Loose hose connection at fuel
lter or fuel pump.
Engine Overheats Engine air intake screen
Troubleshooting
46
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