SECTION IV
PREVENTIVE MAINTENANCE
CHANGE MAIN TRANSMISSION OIL
To change the oil in the main transmission, proceed as
follows (see Figure 4-20).
1. Drive the machine to warm the oil in the transmission
to normal operating temperature.
2. Remove the drain plug and drain the oil into a suitable
container. Clean the drain plug.
3. Install the drain plug and remove the filler-level plug.
Add oil through the filler-level plug opening until the oil
reaches the bottom of the opening. Replace the filler-
level plug.
Figure 4-21. Changing Auxiliary Transmission Oil
Figure 4-22. Changing Pump Drive Oil
1. Engage the pump drive and run it until the oil is
Figure 4-20. Changing Main Transmission Oil
warmed to normal operating temperature. 2. Remove
CHANGE AUXILIARY TRANSMISSION OIL
the drain plug and drain the oil into a suitable container.
To change the oil in the auxiliary transmission, proceed
Clean the drain plug. Replace the drain plug after all the
as follows (see Figure 4-21): 1. Drive the machine to
oil has been drained from the pump drive.
warm the oil in the transmission to normal operating
3. Remove the breather at the top of the pump drive,
temperature.
wash it in fuel oil, and dry it with compressed air.
4. Clean the area around the oil level plug opening, and
2. Remove the drain plug and drain the oil into a suitable
then remove the oil level plug. Add oil through the
container. Clean the drain plug.
breather opening until the oil reaches the bottom of the
oil level opening. Replace the breather and oil level plug.
3. Install the drain plug and remove the filler-level plug.
SERVICE QUICK START
Add oil through the filler-level plug opening until the oil
Periodically, service the quick start system, if the
reaches the bottom of the opening. Replace the filler-
machine is so equipped, to assure good performance
level plug.
(see Figure 4-23):
CHANGE PUMP DRIVE OIL
To change the oil in the pump drive, proceed as follows
(see Figure 4-22):
1-4-18
