Crankcase Cleaning; Crankcase Inspection - TGB EST 1000 Service Manual

5-3. ENGINE BOTTOM END
11. Remove the following parts:
- Oil filter.
- Oil cooler.
- Oil pump drive gear.
NOTE: Oil pump removal from crankcase is not
necessary, but recommended to see condition
of oil pump.
12. Remove electric starter.
NOTE: Before splitting the crankcase, measure
crankshaft axial play.
▪ Remove retaining bolts of crankcase.
▪ Carefully split crankcase halves by using a
screwdriver and a soft hammer.
NOTE: During disassembly, do not damage the
sealing surface of the crankcase halves.
▪ Pull crankshaft out of crankcase.
▪ Remove the water pump idle shaft and the
water pump gear.
▪ Remove engine oil strainer.

Crankcase Cleaning

WARNING
Use safety goggles to avoid eye injuries.
▪ Clean crankcase using a part cleaner.
▪ Dry crankcase using compressed air.
▪ Below the oil supply lines.
Oil Strainer
▪ Clean the engine oil strainer (same procedure
as for the crankcase)

Crankcase Inspection

▪ Check crankcase halves for cracks or other
damage. Replace if damaged.
▪ Check main bearings in ACG and CVT
crankcase half for scorings or other damages.
NOTE: Measure plain bearing inside diameter
and compare to CVT/ACG main journal
diameters of crankshaft. Replace if the
measurement are out of specification.
5-3-10