Komatsu 06253 - Pto (Pump Distributor Gear), Swing Gear and Travel Gears - Oil Sample Analysis

MAINTENANCE 4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
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4.12.3 PTO (PUMP DISTRIBUTOR GEAR), SWING GEAR 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 Z24078
PTO (PUMP DISTRIBUTOR GEAR)
(Oil contamination)
SWING GEAR AND TRAVEL GEARS
(Oil contamination)
N
OTICE
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.
(1) PTO (Pump distributor gear)
(2) Swing gear
(3) Travel gears, planetary box
(4) Travel gears, spur gear box
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