OPERATION AND MAINTENANCE MANUAL - Rotek

Zero load running
Middle speed 0.5 hrs
Rated speed 0.5 hrs
Light load running 2 hrs
Middle load runnirig
Full load running
3.5 hrs
1.5 hrs
2.After minor repair (one ofreplacing cylinder liner, piston ring, main bearing bush,
and connecting rod bearing bush) t
the engine must do running-in for 4 hours according to
following steps:
,Ze.ro load running:
Middle speed
Rated speed
Light load running
Middle lo~d running
Full load running
3.Checking after running-in
0.2 hrs
0.3 hrs
-I hrs
1.5 hrs
1 hrs
(1 )Drain out all of lube oil in the su~p at once after stopping, and clean the sump and
oil filter with diesel fuel 0
(2)Check connecting rod bolts. fasten the loose parts ifnecessary, tighten up the
cylinder-head nuts again according to stipulated torque,. check and tighten up all of
fastening bolts and nutso
(3)Check and adjust the valve clearance.
(4)Check and·eliminate other abnormal. phenom~na.
(5)The diesel engine can be put into practice only after checking and adjusting.
3-4 Techni.cal Maintenance of Diesel Engine
The diesel engine must strictly complete technical maintenance except for correct
operation and use .The maintenance stipulated by the Manual means an ordinary
circumstances, the users may adjust it ac.cording to concrete conditions. Technical
maintenance is classified into four stages:·
1.Everyday mainten~nce.
2.Class 1 maintenance(conduct after cumuiative fuel consumption 500kg).
3.Class 2 maintenance (col1duct after cumulative fuel consumption lOOOkg).
4.Class 3 m..aintenance (conduct after cumulative fuel consumption 3000kg).
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