WÄRTSILÄ Vasa R22, Instruction Manual

Page: 67 / 297

04.10 Interval: 4000 operating hours
Air cooler(s)
Clean the charge air cooler(s)
15.2
Clean and pressure test. Look carefully for corrosion.
Every second time the ultra sonic wash is recommended.
Camshaft Inspect contact faces of camshaft 14.2
Check the contact faces of the cams and tappet rollers.
Check that the rollers rotate. Rotate the engine with the
turning gear. 11.1.1
Control mechanism
Check control mechanism
22.2
Check for wear in all connecting links between the
governor and all injection pumps.
Crankshaft
Check crankshaft alignment.
11.1.2
Check alignment, use form No. WV98V036. Alignment
check is performed on a warm engine.
Crankshaft Check thrust bearing clearance 11.1.3
Check axial clearance.
Cylinder liners
Inspect jacket water spaces
Inspect the water side of one cylinder liner through the plug
in the engine block. If the deposits are thicker than 1 mm,
clean all liners and engine block water space. Improve the
cooling water treatment. 02.3
10.4
19.2.2
Exhaust manifold
Check the nuts of the flange connections
20.1
Tighten loose nuts. Check the nuts of the vertical studs inside
the insulating box.
Lubricating oil coolers
Clean the lubricating oil cooler
18.5
Look carefully for corrosion. 18.6
Starting fuel limiter
Check starting fuel limiter
22.3.5
Check the adjustment and function. 22.7
Turbocharger Inspect and clean 15.1
Clean the compressor and turbine mechanically if
necessary.
Inspect turbocharger cooling water ducts for possible
deposits and clean if the deposits are thicker than 1 mm.
22-9845/III Maintenance Schedule 04
MD, HF 04 - 7