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MAINTENANCE
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 Z25250
(1)
PTO (Pump distributor gears)
(2)
Swing gears (I and II)
(3)
Travel gears
PTO (PUMP DISTRIBUTOR GEAR)
(Oil contamination)
Element
Iron
<
Copper
<
Chromium
<
Silicon
<
SWING GEARS AND TRAVEL GEARS
(Oil contamination)
Element
Iron
<
Copper
<
Chromium
<
Silicon
<
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.
Normal
100 ppm
100 - 300 ppm
10 ppm
10 - 20 ppm
5 ppm
5 - 15 ppm
40 ppm
40 - 60 ppm
Normal
400 ppm
400 - 700 ppm
25 ppm
25 - 60 ppm
5 ppm
5 - 15 ppm
40 ppm
40 - 60 ppm
4.12 EVERY 1000 OPERATING HOURS OR EVERY 6 MONTH
Increased
>
>
>
>
Increased
>
>
>
>
Critical
300 ppm
20 ppm
15 ppm
60 ppm
Critical
700 ppm
60 ppm
15 ppm
60 ppm
453
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