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Remove the plug from oil port. Allow the oil to drain into a suitable container.
WARNING! Keep your body and face away from oil port. Gear oil may be hot after
operation. Wait until the gear oil cool and then gradually loosen the plug to release the
pressure.
NOTE: Check the drained oil for metal chips or particles. If there are any metal chips or
particles, stop operate the hydraulic travel motor. Further inspection and maintenance
must be carried on. Contact supplier for help.
Once the oil is fully drained out, turn the axle until the oil port is positioned
approximately above the horizontal imaginary line as per figure 2.10 (B).
Fill the hydraulic motor with recommended grade gear oil.
Stop the filling once the oil starts to split through the oil port. Wait for 1 or 2
minutes for oil to access all the space inside the barrel. Add oil if necessary.
Clean the plug and apply the plug threads with thread seal tape
(polytetrafluoroethylene - PTFE) film by wrapping it around thread area. Install the
plug and tighten the plug to the oil port. Replace the plug if the plug worn or
damage is evident or when necessary.
Perform all steps in 2.5.6 above on the other hydraulic travel motors.
2.5.3 Table 2.1 below shows the estimated volume of gear oil that must be filled into each
axle barrel according to respective models.
Table 2.1
2.6 Spud Piles Winch Hydraulic Motor Gear Oil
2.6.1 Both of spud piles are driven by hydraulic motor with winch concept. Since the hydraulic
motor is directly attached to the winch and the housing with the case are expose to
open air, the maintenance of gear oil is easier than the hydraulic travel motor.
Gear oil for spud pile hydraulic motor must be checked and change for every 500 hour.
2.6.2 Figure 2.11 on next page illustrates the hydraulic motor and winch attached to spud pile
housing.
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