44 ferrismowers.com
Troubleshooting
While normal care and regular maintenance will extend
the life of your equipment, prolonged or constant use may
eventually require that service be performed to allow it to
continue to operating properly.
This troubleshooting guide lists the most common problems,
their causes and remedies.
Refer toMaintenance Proceduresfor instructions on how
to perform most of these minor adjustments and service
repairs yourself. If you prefer, all of these procedures can be
performed for you by your local authorized dealer.
WARNING
Remove ignition key prior to performing maintenance on the
unit.
To avoid serious injury, perform maintenance on the unit
or mower deck only when the engine is stopped and the
parking brake is engaged.
Always remove the ignition key, disconnect the spark plug
wire(s) and fasten it away from the plug(s) before beginning
the maintenance, to prevent accidental starting of the
engine.
Troubleshooting Charts
Troubleshooting the Rider
Problem: Engine will not turn over or start.
Cause Remedy
Parking brake not engaged. Engage parking brake.
PTO (electric clutch) switch in ON
position.
Place in OFF position.
Ground speed control levers not in
"NEUTRAL" position.
Move ground speed control levers to
the "NEUTRAL" position.
Out of fuel. If engine is hot, allow it to cool, then
refill the fuel tank.
Engine flooded. Move choke control to the closed
position.
Fuse blown. Replace fuse.
Battery terminals require cleaning. Clean the battery terminals.
Battery discharged or dead. Recharge or replace.
Wiring loose or broken. Visually check wiring and replace
broken or frayed wires. Tighten loose
connections.
Solenoid or starter motor faulty. Repair or replace. See authorized
dealer.
Safety interlock switch faulty. Replace as needed. See authorized
dealer.
Spark plug(s) faulty, fouled, or
incorrectly gapped.
Clean and gap, or replace. See
engine operator's manual.
Water in fuel. Drain fuel and replace with fresh fuel.
Gas is old or stale. Drain fuel and replace with fresh fuel.
Problem: Engine starts hard or runs poorly.
Cause Remedy
Fuel mixture too rich. Clean air filter. Check choke
adjustment.
Problem: Engine starts hard or runs poorly.
Spark plug(s) faulty, fouled, or
incorrectly gapped.
Clean and gap, or replace. See
engine operator's manual.
Problem: Engine knocks.
Cause Remedy
Low oil level. Check and add oil as required.
Using wrong grade oil. See engine operator's manual.
Problem: Excessive oil consumption.
Cause Remedy
Engine running too hot. Clean engine fins, blower screen,
and air cleaner.
Using wrong weight oil. See engine operator's manual.
Too much oil in crankcase. Drain excess oil.
Engine exhaust is black.
Cause Remedy
Dirty air filter. Replace air filter. See engine
operator's manual.
Engine choke is in closed position. Open choke control.
Problem: Engine runs, but rider will not drive.
Cause Remedy
Transmission release lever(s) in
"free-wheel" position
Move transmission release lever(s)
to the "drive" position.
Belt is broken. Replace belt. See Transmission
Drive Belt Replacement.
Drive belt slips. See problem and cause below.
Brake is not fully released. See authorized dealer.
Problem: Rider drive belt slips.
Cause Remedy
Pulleys or belt is greasy or oily. Clean as required.
Tension too loose. Adjust the spring tension.
See Transmission Drive Belt
Replacement.
Belt stretched or worn. Replace belt.
Problem: Brake will not hold.
Cause Remedy
Brake is incorrectly adjusted. See Parking Brake Adjustment.
Braking components in transmission
worn.
See authorized dealer.
Problem: Rider steers or handles poorly.
Cause Remedy
Steering lever linkages are loose. Check and tighten any loose
connections.
Improper tire inflation. See Checking Tire Pressures
Troubleshooting the Mower Deck
Problem: Mower will not raise.
Cause Remedy
Lift linkage not properly attached or
damaged.
See authorized dealer.
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