Broderson IC-400-3B, Operation And Maintenance Manual

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Check the oil level weekly by removing the ADD plug on the transmission. The ADD plug is
located near the left-hand side of the transmission, near the engine. Make sure the area
around the plug is clean before removing. Check the oil level in NEUTRAL at idle speed, with
the oil warm. If oil weeps out of the hole, the oil level is sufficient. If no oil is present, stop the
engine and install the ADD plug. Remove the FILL plug. With engine off, add oil through the
dipstick tube or FILL plug hole, until oil weeps out of the FILL plug hole.
TRANSMISSION FILTER CHANGE: (Note--The transmission filter may be found in the Parts
Manual under Transmission Service Parts.)
The transmission utilizes a cooler that is part of the radiator package. The filter is located on
the side of the chassis, behind the right rear wheel. Change the filter on a new machine after
the first 20 hours. Thereafter, the filter should be changed every 200 hours or 6 months,
whichever is sooner. Use the following procedure:
1. Clean the filter housing, element, and nearby hoses.
2. Remove the used filter element and catch the oil in a clean bucket.
3. Empty the element into the bucket and examine the oil for foam, water, and excessive par-
ticles. By checking the oil at every filter change, trends may be observed, which could help
in troubleshooting, if problems develop.
4. Lubricate the seal on the new element and thread it onto the housing.
5. Tighten the element 3/4 of a turn after the seal contacts housing.
6. Run the engine at low idle and check for leaks.
7. Check the oil level as described previously and top off as needed.