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MAINTENANCE OF CALLESEN DIESEL ENGINES
Before start
Check oil level in engine, turbocharger and clutch as well as water level in freshwater tank. Open the
seawater and fuel valves. Pump pressure on the lubricating oil system by means of the hand pump.
Turn the engine 1 turn - if necessary, in starting position. Before start, pressure must be pumped up
again so that the manometer indicates pressure.
During operation
Immediately after starting the engine, check the lubricating oil and hydraulic oil pressure. The engine
should be loaded gradually until normal operation temperature is attained.
During operation the engine must be inspected every 4 hours, approximately. At the same time,
water pumps and sterntube must be lubricated. If the sterntube is oil-lubricated, check the oil level.
Before stop
Check the starting air bottles. The bottles must be pumped to 30 kp/cm². If grease-lubricated, the
sterntube must be lubricated.
After each stop
The sternshaft pullrod must be lubricated through the grease nipple at the flange coupling. Grease
must be pumped in until resistance is felt. The pressure is relieved after approx 20 minutes by open-
ing the valve on the flange coupling.
Every week
The Stauffer cups on the end covers (at flywheel and clutch casing) must be lubricated a little (about
half a turn). The coarse fuel filter (water trap) should be emptied of water and sludge through the
bottom cock at least once a week or when necessary. Inject cleaning water into the turbocharger at
full load. If the turbo pressure drops considerably, the turbocharger must be dismounted for cleaning.
Check the Hynautic remote control and bleed it, if necessary (see the Hynautic instructions). If the
upper and lower movements are not synchronized, move the handle to both extreme positions a few
times.
Lubricate the Jet pumps, if any, by turning the Stauffer cups approximately half a turn.
Every month
Check the lubrication of the rocking lever. Check also the oil under the rocker covers. If this oil is
black and thick, exchange the system oil.
Every second month
Clean the small air filters on the valve covers and the air inlet filters. If very dirty, the filters should be
cleaned at shorter intervals.
Lubricate the starting valves with a few drops of oil.
7-95-2A
Callesen Diesel
Page 1 of 2
Sheet No.
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