LINE ASSEM. (No. 3) 5S7173 - Caterpillar

Illustration 1 g03582850
Illustration 2 g06325337Inspect the Gearbox Oil Filter
Inspect the filter element for wear or damage. Replace the element if worn or damaged.Clean the Gearbox Oil Filter
Remove the oil filter drain plug (1). Allow the oil to drain into a suitable container.
Using a square or hexagonal wrench, rotate the lower filter casing (2) to loosen. Remove the filter casing slowly by hand.
Remove spring.
Pull the filter element down to remove.
Remove the o-ring from inside the base.The gearbox oil filter consists of a stainless steel wire mesh element. The element can be cleaned and reused. During cleaning, the element should be inspected for damage or wear. If damage or wear is present, replace the element.Use a light oil as a cleaning agent. Follow the procedure below to clean the element:
Shake the filter element in four directions in the cleaning oil.
Brush the filter element carefully to remove any particles remaining in the mesh.
Blow off residual accumulation with air.
Rinse the filter element and dry completely with air.
Inspect inside the filter housing and the o-ring seat location for cleanliness. If the area and surfaces are dirty, carefully clean the o-ring area.
Lightly lubricate the o-ring seal with oil and install in the housing.
Install the element. Ensure that the element is seated in the housing.
Install the spring.
Thread the lower filter casing (2) into the housing. Tighten to 20 N m (14.7 lb ft).
Install the drain plug and tighten securely. Do not overtighten.
After installation, oil may be visible on the filter casing. Wipe the area until clean and observe following initial restart of the unit.