Jacobsen AR Series User Manual

MAINTENANCE AND LUBRICATION 7
en-75
Fuel System
Use ultra low sulfur Diesel fuel (ASTM D975 Ultra Low Sulfur)
Water Separator
If the water is not removed from the fuel, damage to the
fuel-injection system can occur. Every 100 hours, drain the
water from the water separator.
1. Stop the engine. Open the air vent at the top of water
separator.
2. Open the drain valve at the bottom of the water
separator and drain the water. Water will drain before
the fuel. When fuel drains from the valve, close the
valve.
3. Close the vent at the top of the water separator.
Fuel Filter
1. Replace the fuel filter every 400 hours.
2. Stop the engine.
3. Open the air valve at the top of the filter to release system pressure.
4. Remove fuel filter cartridge. Clean any fuel that spills.
5. Assemble new filter cartridge to the filter base. Tighten the cartridge with your hand.
6. Bleed air from the fuel system.
How To Bleed The Air From The Fuel System
1. After water is drained from the fuel system, the fuel filter cartridge is removed or the fuel hoses are replaced, the
air must be removed from the fuel system.
2. Open the air vent at the top of the water separator. Turn the ignition switch to the RUN position, but do not start
the engine. Operate the fuel pump until air bubbles at separator air vent stop and fuel starts to spill. Close the
vent. Clean any fuel that spills.
3. Open the air vent on the fuel filter. Turn the ignition switch to the RUN position, but do not start the engine.
Operate the fuel pump until air bubbles at filter vent stop and fuel starts to spill. Close the air vent. Clean any fuel
that spills.
4. Start the engine. The engine will remove any air remaining in the fuel hoses.
CAUTION
The diesel fuel can damage your skin. Use gloves when you use diesel fuel. If diesel fuel touches your
skin, clean the area immediately.
CAUTION
Discard diesel fuel in accordance with local safety regulations
From Fuel
Pump
To Engine
Water
Separator
Drain
Valve
Hand
Pump
Air Vent
Air Vent
Fuel
Filter
!
!

Jacobsen AR Series Specifications

General

Brand	Jacobsen
Model	AR Series
Category	Lawn Mower
Language	English