Fuel System
Maintenance
Servicing the Fuel Tank
Service Interval: Every 2 years—Drain and clean the fuel
tank.
Drain and clean the tank if the fuel system becomes
contaminated or if the machine will be stored for an extended
period of time. Use clean fuel to flush out the tank.
Inspecting the Fuel Lines and
Connections
Service Interval: Every 400 hours/Yearly (whichever comes
first)
Inspect the fuel lines and connections for deterioration,
damage, or loose connections.
Draining the Water Separator
Service Interval: Before each use or daily
1. Place a clean container under the fuel filter.
2. Loosen the drain valve on the bottom of the filter
canister (Figure 55).
2
1
3
Figure 55
1. Water separator/filter
canister
2. Vent plug
3. Tighten the valve after draining.
G009880
3. Drain valve
Changing the Fuel Filter
Canister
Service Interval: Every 400 hours
1. Clean the area where the filter canister mounts (Figure
55).
2. Remove the filter canister and clean the mounting
surface.
3. Lubricate the gasket on the filter canister with clean oil.
4. Install the filter canister by hand until the gasket
contacts the mounting surface; then rotate an additional
1/2 turn.
Bleeding Air from the Injectors
Note: This procedure should be used only if the fuel system
has been purged of air through normal priming procedures
and the engine will not start; refer to Bleeding the Fuel
System.
1. Loosen the pipe connection to the No. 1 nozzle and
holder assembly.
1. Fuel injectors
2. Move the throttle to the Fast position.
3. Turn the key in the key switch to the Start position and
watch the fuel flow around the connector. Turn the key
to the Off position when solid flow is observed.
4. Tighten the pipe connector securely.
5. Repeat the procedure on the remaining nozzles.
46
Figure 56