Ransomes MT503, Safety, Operation & Maintenance Manual/Parts List

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8 MAINTENANCE AND LUBRICATION
Water Separator
If water is not removed from the fuel, damage to the fuel-injection
system can occur. When water in fuel icon is displayed or at service
interval, drain the water from the water separator.
a. Stop the engine. Open the air vent at the top of water separator.
b. 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.
c. Close the air vent at the top of the water separator.
Fuel Filter
Replace the fuel filter
a. Stop the engine.
b. Open the air valve (No.2) at the
top of the filter to release system pressure.
c. Remove fuel filter cartridge. Clean any fuel that spills.
d. Assemble new filter cartridge to the filter base. Tighten the
cartridge with your hand.
e. Bleed air from the fuel system.
How to bleed the air from the fuel system
After water is drained from the fuel system, fuel filter cartridge is
replaced or the fuel hoses are replaced, bleed the air from the fuel
system.
a. Open the air vent at the top of the water separator.
b. Press and release the hand pump until air bubbles at separator
air vent stop and fuel starts to spill. Close the vent. Clean any
fuel that spills.
c. 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.
d. Start the engine. The engine will remove any air remaining in
the fuel hoses.
CAUTION
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 Authority Regulations
1234 123.4 Hours
P
TM
H 2 O
2
7
5
1
8
6
3
4
1 Water Separator
2 Air Vent
3 Drain Valve
4 Fuel Filter
5 Priming Pump
6 Fuel Pump
7 Air Vent
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