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96
Maintenance Section
Fuel System - Prime
2. Loosen vent screw (3, 4 or 5) on the fuel filter.
3. Operate hand priming pump (6). When fuel free
from air flows from the vent screw tighten the vent
screw.
4. Loosen connection (10 or 12) at the fuel injection
pump. Refer to illustration 78 .
Note: Fuel return line (11) may need to be removed
to prime the fuel system.
5. Operate the hand priming pump. When fuel free
from air flows from the connections tighten the
connecting bolt.
6. The engine should now be able to start. Operate
the starting motor to start the engine.
Note: Do not operate the starting motor for more than
15 seconds. If the engine does not start after 15
seconds, stop and wait for 30 seconds before trying
again.
In-line Priming Pump 7
To identify the in-line priming pump, refer to
illustration 77 .
1. Ensure that fuel valve (2) for the fuel filter that has
an element is in the ON position. Refer to
illustration 74 .
2. Loosen vent screw (3, 4 or 5) on the fuel filter.
3. Operate in-line priming pump (7). When fuel free
from air flows from the vent screw tighten the vent
screw.
4. Loosen connection (10 or 12) at the fuel injection
pump. Refer to illustration 78 .
Note: Fuel return line (11) may need to be removed
to prime the fuel system.
5. Operate the in-line priming pump. When fuel free
from air flows from the connections tighten the
connecting bolt.
6. The engine should now be able to start. Operate
the starting motor to start the engine.
Note: Do not operate the starting motor for more than
15 seconds. If the engine does not start after 15
seconds, stop and wait for 30 seconds before trying
again.
Electrical Priming Pump 8
To identify the electrical priming pump, refer to
illustration 77 .
Copyright of Perkins Engine Company Limited. NOT FOR REPRINTING OR RESALE
Turn the keyswitch to the ON position for 2 minutes to
prime the fuel system. Turn keyswitch to OFF
position, then turn on again. The engine is primed
and ready to start.
If the engine fails to start, follow Step (1) through
Step (6).
1. Ensure that fuel valve (2) for the fuel filter that has
an element is in the ON position. Refer to
illustration 74 .
2. Loosen vent screw (3, 4 or 5) on the fuel filter.
3. Operate electrical priming pump (8). When fuel
free from air flows from the vent screw tighten the
vent screw. Switch off the electrical priming pump.
4. Loosen connector bolt (10 or 12) at the fuel
injection pump. Refer to illustration 78 .
Note: Fuel return line (11) may need to be removed
to prime the fuel system.
5. Operate the electrical priming pump (8). When fuel
free from air flows from the connections tighten the
connector bolt. If removed, install fuel return line
(11).
6. The engine should now be able to start. Operate
the starting motor to start the engine.
Note: Do not operate the starting motor for more than
15 seconds. If the engine does not start after 15
seconds, stop and wait for 30 seconds before trying
again.
Fuel Transfer Pump 9
To identify the fuel transfer pump, refer to illustration
77 .
Note: If the transfer pump is not equipped with a
manual priming lever and the engine is not equipped
with any other priming option, you must operate the
starting motor to prime the fuel system. Do not
operate the starting motor for more than 15 seconds
continuously. After 15 seconds, stop and wait for 30
seconds before operating the starting motor again.
1. Ensure that fuel valve (2) for the fuel filter that has
an element is in the ON position. Refer to
illustration 74 .
2. Loosen vent screw (3, 4 or 5) on the fuel filter.
3. Operate fuel transfer pump (9). When fuel free
from air flows from the vent screw tighten the vent
screw. Stop the fuel transfer pump.
4. Loosen connection (10 or 12) at the fuel injection
pump. Refer to illustration 78 .
M0087369-08
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