MAINTENANCE 4.6 50 HOUR (WEEKLY) & NEW MACHINE BREAK– IN INSPECTION & MAINTENANCE PROCE- DURES. Change the engine oil and filter on a new machine after the first 50 hours of operation. Then change the engine oil at every 500 hours of operation. NOTE One new oil filter is shipped with the machine in the sup- port kit. This is to be used at the 50 hour oil & filter change. A. ENGINE OIL AND FILTER ELEMENT 1. Move the machine to a firm, level surface and run engine for 5 minutes to warm the oil. WARNING 4 DO NOT CHANGE OIL ON A MACHINE THAT HAS JUST STOPPED WORKING. THE OIL WILL BE EX- TREMELY HOT. ALLOW THE ENGINE TO COOL UN- TIL OIL IS JUST WARM BEFORE CHANGING.
FIGURE 4.24A NOTE Check the waste oil. If there are metal chips or pow- der mixed in the oil, contact your KOBELCO distribu- tor. Do not reuse the oil filter. 2. Raise the engine cover, lock it open, and re- move the oil cap. See Figure 4.24A. 3. Remove bolts and engine lower covers. See Fig- ure 4.24A. 4. Locate the engine oil filter on its right side and place an empty oil container {20 L (5 Gal) ca- pacity} under the filter. 5. Remove the oil filter by turning counterclock- wise. See Figure 4.24B. 6.
To install the oil filter, apply a thin coat of engine oil to the gasket of the new oil filter, fill filter with engine oil and then secure the filter by tighten- ing 3/4 ~ 1 complete turn (by hand) after the gasket comes in contact with the oil filter head. See Figure 4.24C. {The amount of oil to be added into the filter is approx. 1.1 Lit (0.29 GAL)} REMOVAL ENGINE OIL FILTER FILTER WRENCH EXTENTION BAR RATCHET HANDLE FIGURE 4.24B FIGURE 4.24C 4-24 SK210(LC)/SK250(LC)–VI Dynamic Acera OM, 09/00 Rev.2 LOCK COVER OPEN REMOVE OIL CAP REMOVE BOLTS AND COVER PLATE