Doosan D20S-5 Operation & Maintenance Manual page 153

5. 5. Wipe up any spills and properly dispose of fuel. Wipe up any spills and properly dispose of fuel.
6. 6. NEVER use the starter motor to crank the NEVER use the starter motor to crank the
engine in order to prime the fuel system. This engine in order to prime the fuel system. This
may cause the starter motor to overheat and may cause the starter motor to overheat and
damage the coils, pinion and / or ring gear. damage the coils, pinion and / or ring g
To prime the fuel system on engines not equipped To prime the fuel system on engines not equipped
with an electric fuel with an electric fuel system:
1. 1. Place an approved container under the air Place an approved container under the air
bleed port. bleed port.
2. 2. Loosen the air bleed port Loosen the air bleed port (Figure 2, (1))
turns. turns.
3. 3. Operate the fuel priming pump Operate the fuel priming pump (Figure 2, (2))
until the fuel coming out of the air bleed port is until the fuel coming out of the air bleed port is
free of bubbles. free of bubbles.
4. 4. Tighten the air bleed port. Tighten the air bleed port.
5. 5. Wipe up any spills and properly dispose of fuel. Wipe up any spills and properly dispose of fuel.
6. 6. NEVER use the starter motor to crank the NEVER use the starter motor to crank the
engine in order to prime the fuel system. This engine in order to prime the fuel system. This
may cause the starter motor to overheat and may cause the starter motor to overheat and
damage the coils, pinion and / or ring gear. damage the coils, pinion and / or ring g
ear.
system:
(Figure 2, (1)) 2 or 3 2 or 3
(Figure 2, (2))
ear.
Fig ure Fig ure 2 2
seconds or until the fuel coming out of the air seconds or until the fuel coming out of the air
bleed port is free of bubbles. bleed port is free o
4. 4. Tighten the air bleed port. Tighten the air bleed port.
-150- -150-
f bubbles.
Maintenance Section Maintenance Section