Product Manual

GB - 35
Electrical System
Engine Runs Rough or
Stalls
Plugged fuel filter.
Plugged air intake system.
Fuel cap vent dirty.
Stale or improper fuel/fuel
level.
Spark plugs not gapped
correctly.
Replace spark plugs.
Choke adjusted incorrectly.
See your authorized dealer.
Engine Knocks Engine oil level low.
Reduce load. (Slower ground
speed.)
Fuel is bad. Fill tank with fresh
fuel, correct octane.
Idle speed too slow.
Engine Overheats Clean cooling fins.
Low oil level.
Do not operate at slow idle.
Operate at fast idle.
Cooling air intake screen is
dirty.
Plugged carburetor air intake
filter.
Plugged air intake filter.
Operating at too fast ground
speed for conditions.
Engine Lacks Power Reduce load.
Plugged air intake system.
Plugged fuel filter.
Improper type of fuel. Drain
tank and fill with correct fuel.
Clean cooling fins to help
prevent overheating.
Replace spark plugs.
Engine Uses Too Much Oil Find and correct oil leaks.
Incorrect engine oil.
Plugged oil filter.
Plugged air intake filter.
Worn engine components.
Engine Backfires Through
Muffler
Throttle lever should be at low
idle for thirty seconds before
turning off machine.
High Fuel Consumption Improper type of fuel.
Plugged air intake system.
Operating at too fast ground
speed for conditions.
Improper valve clearance. See
your authorized dealer.
Restricted air intake system.
If Check
Other Symptoms See engine manufacturer’s
owner’s manual provided with
your machine for additional
information.
If Check
Starter Will Not Work Blown fuse.
Park brake switch is faulty.
OPC Switch faulty or not
adjusted properly.
Loose or corroded battery
connections.
Neutral switches faulty or not
adjusted properly. See your
authorized dealer.
Key switch or starter faulty.
See your authorized dealer.
PTO engaged.
Motion control levers and park
brake lever not in proper
position.
Battery Will Not Charge Loose or corroded
connections.
Blown fuse or fusible link. See
your authorized dealer.
PTO Switch Does Not
Work
•Blown fuse.
PTO switch faulty.
Starter Turns Slowly Loose or corroded battery
connections.
Low battery power-charge
battery.
Engine oil viscosity too heavy.
Hydraulic pump linkage out of
adjustment-pumps engaged.
If Check