MAINTENANCE 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH 4.12.3 PTO’S (PUMP DISTRIBUTOR GEARS), SWING GEARS AND TRAVEL GEARS - OIL SAMPLE ANALYSIS The oil sample analysis gives information about the grade of con- tamination and aging of the gear oils. Refer to the tables below for limits of contamination.
Oil drain plugs, illustration Z 20712 (1) PTO (Pump distributor gear) (2) Swing gears (I and II) (3) Travel gears, planetary box (4) Travel gears, support bearing box (5) Travel gears, spur gear box PTO (PUMP DISTRIBUTOR GEAR) (Oil contamination) SWING GEARS AND TRAVEL GEARS (Oil contamination) NOTICE If the grade of contamination approaches to the “critical” val- ues in the above tables, change the gear oil. However, the regular oil changes must be carried out every 3000 operating hours or once a year, whichever occurs first.
431 Element Normal Increased Critical Iron 100 ppm 100 - 300 ppm > 300 ppm Copper 10 ppm 10 - 20 ppm > 20 ppm Chromium 5 ppm 5 - 15 ppm > 15 ppm Silicon 40 ppm 40 - 60 ppm > 60 ppm Element Normal Increased Critical Iron 400 ppm 400 - 700 ppm > 700 ppm Copper 25 ppm 25 - 60 ppm > 60 ppm Chromium 5 ppm 5 - 15 ppm > 15 ppm Silicon 40 ppm 40 - 60 ppm > 60 ppm