Volvo D12, Operator'S Manual

Page: 139 / 214

Maintenance 135
Remove the protection cap from the
filter bleed nipple. Connect a transpar-
ent 5/16 in. (8 mm) plastic hose to the
nipple. Open the nipple with an 11
mm wrench and pump the hand primer
until clean, air-free fuel flows out of
the hose. Tighten the bleed nipple
while fuel is still flowing.
3 Remove the hose and install the pro-
tection cap on the nipple.
4 Remove the protection cap from the
cylinder head bleed nipple. Connect
the plastic hose to the nipple. Open
the bleed nipple with an 11 mm
wrench and pump the hand primer un-
til clean, air-free fuel flows out of the
hose. Tighten the nipple while fuel is
still flowing.
5
Do not work on or near the fan with the
engine running. The fan is of an auto-
matic-on type and can be engaged
without warning. Fingers, tools and
equipment can be damaged if the fan
turns on when you do not expect it.
Start the engine and run it at an in-
creased idle speed for approximately 5
minutes to remove any remaining air
in the system. Check the fuel system
for leaks.
T0008116
T0008115