Every 250 Hours Of Operation - Yanmar 6LPA-STP2 Operation Manual

PERIODIC MAINTENANCE

Every 250 Hours of Operation

Perform the following maintenance every
250 hours or one year of operation,
whichever comes first.
• Replacing the Fuel Filter Element
• Changing the Coolant
• Checking or Replacing the Zinc
Anodes
• Adjusting the Remote Control Cable
• Cleaning the Turbocharger
• Cleaning the Air Cleaner
Replacing the Fuel Filter Element
See Replacing the Fuel Filter Element on
page 60.
Changing the Coolant
Replace the coolant every year.
Note: If Long Life coolant is used, replace
coolant every 2 years.
1. Drain the fresh water cooling system.
See Draining the Fresh Water Cooling
System on page 81.
2. Fill the cooling system with clean
coolant. See Checking and Adding
Engine Coolant on page 34.
Checking or Replacing Zinc Anodes
Inspect and replace the zinc anodes
periodically. NOTICE: If zinc anodes are
not replaced periodically, corrosion and
engine damage will result.
1. Close the seacock.
2. Drain the seawater cooling system. See
Draining Seawater Cooling System on
page 81.
(1)
Figure 8
64
3.
4.
5.
6.
7.
0004896
6LPA Series Operation Manual
© 2007 Yanmar Marine International
Remove all the plugs ((Figure 9, (1)),
(Figure 10, (3)), (Figure 11, (4)),
(Figure 12, (2)) and (Figure 13, (2)))
labeled ZINC (Figure 8, (1)).
Measure the remaining zinc in the plug.
Replace the zinc anode when it is less
than one-half its original size. See chart
for sizes.
Install a new zinc in a new plug.
NOTICE: NEVER use sealing tape to
install the zinc anode. The anode
must make metal-to-metal contact.
Install plug.
Open the seacock and check for leaks.
Fuel Cooler
( 1 )
Figure 9
Fresh Water Cooler
( 3 )
Figure 10
0004918
( 3 )
0004919