Fuel System - Prime - Perkins 1206A-E70TTA Operation And Maintenance Manual

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Maintenance Section

Fuel System - Prime

Illustration 49
Typical example
The gap (A) must be checked in the vertical position
and in the horizontal position.
In the vertical position the gap can be checked at the
vertically top position or at the vertically bottom
position.
• Gap (A) vertical top position 12 ± 1 mm
(0.47244 ± 0.03937 inch).
• Gap (A) vertical bottom position 8 ± 1 mm
(0.31496 ± 0.03937 inch).
After the gap (A) has been checked in the vertical top
position or the vertical bottom position, the horizontal
position must be checked.
• Gap (A) in the horizontal position must be a
minimum of 9 mm (0.35433 inch).
If the fan tip clearance requires adjustment, refer to
the Disassembly and Assembly manual for more
information.
Fuel System - Prime
Note: Refer to Systems Operation, Testing, and
Adjusting, "Cleanliness of Fuel System
Components" for detailed information on the
standards of cleanliness that must be observed
during ALL work on the fuel system.
Ensure that all adjustments and repairs are
performed by authorized personnel that have had the
correct training.
NOTICE
Do not crank the engine continuously for more than
30 seconds. Allow the starting motor to cool for two
minutes before cranking the engine again.
If air enters the fuel system, the air must be purged
from the fuel system before the engine can be
started. Air can enter the fuel system when the
following events occur:
• The fuel tank is empty or the fuel tank has been
partially drained.
• The low-pressure fuel lines are disconnected.
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