OPERATION OPERATION REMARK The oil level will vary depending upon the oil temperature. Accordingly, use the following as a guide: G Before operation: around L level (Oil temperature 10 to 30єC (50 to 86єF)) G Normal operation: around H level (Oil temperature 50 to 80єC (122 to 176єF)) CHECK DUST INDICATOR 1. Check that the red piston has not appeared in the trans- parent portion of dust indicator(1). 2. If the red piston has appeared, clean or replace the ele- ment immediately. For details of the method of cleaning the element, see "CHECK, CLEAN AND REPLACE AIR CLEANER ELE- MENT (PAGE 4-20)". 3.
After checking, cleaning, and replacing, press the knob of dust indicator(1) to return the red piston to its original position. 3-38