PREVENTIVE MAINTENANCE
SECTION V
1. Propel the machine to warm the oil in the gear cases.
Place the propel brake switch in the ON position and shut
down the engine.
2. Remove the drain plug and drain the oil into a suitable
container. Clean the drain plug and reinstall it.
3. Remove the filler and level plugs and add oil, of the type
specified in Section III, until the oil reaches the bottom of
the level plug opening. Replace the filler and level plugs.
CHANGE PROPEL DRIVESHAFT OIL
The oil in the propel driveshaft should be changed semi-
annually as follows:
1. Propel the machine to warm the oil in the driveshaft as-
semblies.
2. Remove the drain plugs located at the bottom of the
crawler frame input housing. Clean and install the drain
plugs.
3. Remove the filler plugs located on top of the crawler
frame input housing and the level plugs located in the out-
board end of the driveshafts.
Figure 5E-2 Drain Hydraulic Reservoir
4. Fill the drlveshafts until oil begins to run out of the level
plugs. Replace the filler and level plugs.
4. Start the engine and allow it to Idle. Propel the machine a
short distance and shut down the engine. Recheck the oil
CHANGE PROPEL PUMP TRANSMISSION OIL
level; if it is not up to the high level mark, add fluid as nec-
To change the propel pump transmission oil, proceed as
essary
follows (see Figure 5E-4):
CHANGE PROPEL GEAR CASE OIL
1. Start the engine and allow the oil in the pump drive to
reach normal operating temperature.
The oil in the crawler drive gear cases should be changed
semi-annually as follows (see Figure 5E-3):
2. Remove the drain plug and drain the oil into a suitable
container. Clean the drain plug. Replace thedrainplug after
all the oil has been drained from the pump drive.
3. Remove the breather at the top of the filler tube assem-
bly, wash it in kerosene, and dry it with compressed air.
4. Remove the adapter from the elbow and add the oil as
specified in Section III.
Figure 5E-4. Drain Propel Pump Transmission Oil
Figure 5E-3. Propel Gear Case Drain and FiII Plugs
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