General - Jacobsen AR522 Safety, Operation And Maintenance Manual

9 PROBLEM SOLVING
9.1

GENERAL ________________________________________________________________

The problem solving chart below lists basic problems that
may occur during start-up and operation. For more
Symptoms Possible Causes
Engine will not start. 1. Parking brake switch OFF, traction
2. Glow plug has not timed out.
3. Battery low on charge or defective. 3. Inspect
4. Fuel tank empty or dirty.
5. Fuse blown.
6. Relay defective.
7. Neutral switch on traction pedal
Engine hard to start 1. Fuel level low, fuel or fuel filter dirty. 1. Fill with fresh fuel. Change fuel filter. Bleed fuel
or runs poorly.
2. Air cleaner dirty.
3. Injectors, fuel pump.
4. Engine problem.
Engine stops. 1. Fuel tank empty.
2. Interlocks not set before leaving
Engine overheating. 1. Coolant level low.
2. Air intake restricted.
3. Water pump belt broken or loose.
Battery not holding 1. Loose
charge.
Battery light on. 2. Low electrolyte.
3. Alternator belt loose or broken.
4. Charging system defective.
Decks cut unevenly. 1. Height
2. Engine speed too low.
3. Mow speed not adjusted for turf
pedal not in Neutral, or mow switch
ON.
out of adjustment or defective.
operator's seat.
or corroded
terminals.
of Cut not
correctly.
conditions.
PROBLEM SOLVING
detailed information regarding the hydraulic and electrical
systems contact your area Jacobsen Dealer.
Action
1. Check interlock system and start-up procedure.
2. Reset ignition switch and allow glow plug to
time out before cranking engine.
connections.
4. Fill with fresh fuel. Change fuel filter. Bleed fuel
lines.
5. Replace fuse.
6. Test and replace relay.
7. Adjust or replace switch.
lines.
2. Inspect and replace air filter.
3. See Engine Manual.
4. See Engine Manual.
1. Fill with fresh fuel and bleed fuel lines.
2. Turn parking brake switch ON and set mow
switch to OFF.
1. Inspect and add coolant.
2. Clean air intake at radiator.
3. Tighten or replace belt.
battery 1. Inspect and clean terminals.
2. Refill to correct level.
3. Tighten or replace belt.
4. See Engine Manual.
adjusted Inspect height of cut adjustment. Same number of
spacers below deck housing on all spindles.
Check engine speed. Run engine at full throttle.
Adjust mow speed for best cut.
condition of battery
9
and battery
en-45