Jacobsen HR3300T, Safety, Operation & Maintenance Manual, Page: 71 / 86

SAFETY, OPERATORS & MAINTENANCE MANUAL
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11 TROUBLESHOOTING
11.1 TROUBLESHOOTING GENERAL
Symptons Posible Causes Action
Engine will not start
Glow plug has not timed out Reset ignition switch and allow glow plug to time out before
cranking engine.
Battery low on charge or
defective. Inspect condition of battery and battery connections.
Fuel tank empty or fuel
contaminated. Fill tank with fresh fuel. Change filter, Bleed air from lines.
Blown fuse. Replace Fuse.
Defective starter relay. Test and replace relay if neccesary.
Brake switch is not on. Ensure brake switch is on.
Mow switch set to cut. Set mow switch to off.
Transport pedal not in neutral. Remove foot from pedal, cheek pedal returns to the neutral
position.
Engine hard to start
or runs poorly.
Fuel tank empty or fuel
contaminated. Fill tank with fresh fuel. Change filter, Bleed air from lines.
Air Cleaner blocked or dirty. Check air cleaner, replace as neccesary.
Injectors, fuel pump. Consult engine manual.
Other Engine Problem. Consult engine troubleshooting guide.
Engine Stops
Fuel tank empty. Fill with fresh fuel and bleed lines.
Interlocks not set before leaving
operators seat. Ensure Parking Brake is on & Mow switch is in the off position.
Engine Overheating
Coolant level low. Inspect and add 50/50antifreeze solution if required
Radiator air intake restricted. Clean wire mesh guard at radiator.
Waterpump/alternator belt or fan
belt loose or broken. Inspect waterpump/alternator belt and fan belt. Tighten if
neccesary.
Battery not holding
charge. Battery light
on
Loose or corroded battery
terminals. Inspect terminals, clean and tighten as required.
Low electrolyte level in battery. Refill battery with distelled water.
Alternator belt loose or broken. Inspectwaterpump/alternator belt. Tighten if neccesary.
Alternator defective. See engine manual.
Decks cut unevenly
Poor quality of cut.
Cutting blades are worn. Replace blades.
Engine speed too low. Check engine speed, run engine at full throttle.
Cutter motors worn. Check case drain leakage & flow check cutting circuit.
Ground speed to high. Set work speed stop.