Engine Oil - Yanmar 6SY Series Operation Manual

Figure 2
1. Install a transparent plastic hose on
each fuel rail bleeder valve
(Figure 2, (1)). Place the hoses in an
appropriate container.
2. Open the bleeder valve and operate
the hand pump (Figure 2, (2)) until
fuel flows without air bubbles. This
may take 130 - 150 pump strokes.
3. Close the bleeder valves and remove
the hoses.
4. Continue hand pumping until there is
resistance:
• Approximately 20 strokes after
replacing the fuel filter
• Approximately 50 strokes after
replacing a fuel injector
5. Start the engine and check for leaks.
CAUTION
NEVER hold the key in the
START position for longer than
15 seconds or the starter motor
will overheat.
6SY Operation Manual
If the engine fails to start after bleeding:
• Open the bleeder valves again and
operate the hand pump until fuel without
air bubbles flows out.
• Tighten the bleeder valves. Start the
engine and check for leaks.

ENGINE OIL

• Only use the engine oil
• Prevent dirt and debris from
• NEVER mix different types of
• NEVER overfill. Overfilling may
0000007en
BEFORE YOU OPERATE
CAUTION
specified. Other engine oils
may affect warranty coverage,
cause internal engine
components to seize, or
shorten engine life.
contaminating engine oil.
Carefully clean the oil
cap / dipstick and the
surrounding area before you
remove the cap.
engine oil. This may adversely
affect the lubricating
properties of the engine oil.
result in white exhaust smoke,
engine overspeed or internal
damage.
0000005en
37