FUEL
FILTER
Replacing The Fuel Filter
The fuel filter
is
on the right hand side of the engine on the
main frame. Replace the fuel filter every
250 hours of
loader operation.
To
replace the fuel filter element:
Clean the filter areas.
Shut off the fuel at the fuel tank.
Remove the bolt from the top of the filter housing
(Item 1)
[A).
Remove the element and the rubber seal from the
housing.
Install a new rubber seal on the housing and put a small
amount of oil
on
the rubber seal.
Install the new filter element in the container and install on
the filter head. Hand tighten only.
Open the fuel shutoff valve at the tank until the fuel filter
container is full.
Tighten the bolt to prevent leakage.
Removing Air From The Fuel System
After replacing of the fuel filter element or when the fuel
tank has run out of fuel, the air must be removed from the
fuel system before starting the engine.
Open the rear door. The engine must be cool.
Open the vent plug (Item 2) [A).
Operate the hand pump (Item 3)
[A]
until fuel flows from
the vent plug (Item 2)
[A]
with no air bubbles.
Tighten the vent plug.
Operate the hand pump until it feels solid.
Move the throttle control to minimum RPM. Loosen the
valve
(Item
1)
[B).
Start the engine. When the engine runs smoothly, close
the valve (Item 1) [B).
GLOW PLUG
Checking
Disconnect the glow plug cables and leads.
Remove the glow plug from the cylinder head.
Connect a circuit tester, one terminal to each end of the
glow plug [C).
The reading must be approximately 1.5 ohms.
If the
resistance is zero ohms the glow plug has a short circuit.
If
the resistance is infinite the coil of the glow plug is
broken.
A
-7C-2-
8-03916
741, 742, 743, 7430S Bobcat Loader
Service Manual
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