Axle Oil Cooler (Optional)
Maintenance Guide of the Axle Oil Cooler
Shaded columns in the table indicate maintenance interval.
1. Check Axle Oil Level
2. Change Axle Oil
3. Replace Axle Oil Cooler Line Filter
4. Clean Axle Oil Cooler Fins
: Replace the filter every 500 hours or every 3 months whichever comes first.
Axle Oil
Kind of Oil
Application
Manufacturer
Hitachi
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NOTE:
When using TO-4 SAE50 or TM-4M Fluid other than the listed recommended products, add 6% additive to prevent or
eliminate service brake application noise. Recommended additive package: HCM 9990A or equivalent.
The acceptable ambient temperature when using TO-4 SAE50 Fluid should fall within the range -15 to 45°C (5 to 113°F).
The acceptable ambient temperature when using TO-4M Fluid should fall within the range -30 to 45°C (-22 to 113°F).
OTHER ATTACHMENTS
Axle Oil Cooler
Parts
Front
Rear
Axle Oil
Axle, Parking Brake
High Gear Oil
TKTT 15150-4th
Quantity
10
100
-
52 L
52 L
2
2
13-12
Interval (hours)
250
500
1000
2000
As required