WEICHAI WP12 - Page 5

5.6 Disposal of used oil or fuel ...............................................28
5.7 Periodic Maintenance instructions ...................................29
5.7.1 Check air lter ........................................................29
5.7.2 Cleaning air lter ....................................................30
5.7.3 Replacement of engine oil ......................................30
5.7.4 Replacement of oil lter ..........................................31
5.7.5 Cleaning of oil gas separator ..................................32
5.7.6 Replacement of fuel lter ........................................32
5.7.7 Air bleeding from fuel system .................................33
5.7.8 Adjustments and replacement of V-Belt .................33
5.7.9 Arrangement of cylinder head and valve ................34
5.7.10 Adjustment of valve clearance ..............................34
5.8 Maintenance recommendation .........................................36
SECTION - VI
Specications for Lubricant, Coolant and Fuel ......................44
6.1 Lubricant ..........................................................................44
6.1.1 The functioning of lubricating oil in a diesel engine 44
6.1.2 Engine oil consist of ...............................................44
6.1.3 Why oil to be drained? ............................................44
6.1.4 How engine oil performance getting deteriorated ...44
6.1.5 Oil performance classication system ....................45
6.1.6 SAE viscosity recommendations ............................45
6.2 Engine oil recommendations for Weichai engines ...........46
6.3 Grease Recommendations ..............................................47
6.4 Fuel oil recommendations ................................................47
6.5 Coolant .............................................................................50
6.6 A good coolant should have following properties .............50