ENGINE LUBRICATION SYSTEM
Install and tighten the oil drain cap.
Checking Engine Oil
Figure 10-90-2
Check the engine oil every day before starting the engine for the work shift. 1
Figure 10-90-1 1
3
P-21191
2
Remove the fill cap (Item 1) [Figure 10-90-2]. Put oil in the engine. (See FUEL, COOLANT AND LUBRICANTS on Page SPEC-60-1.)
P-21192
Open the tailgate and remove the dipstick (Item 1) [Figure 10-90-1].
Install the fill cap. Start the engine and let it run for several minutes.
Keep the oil level between the marks on the dipstick. Use a good quality motor oil that meets the correct API Service Classification. (See FUEL, COOLANT AND LUBRICANTS on Page SPEC-60-1.)
Stop the engine. Check for leaks at the oil filter. Check the oil level. Add oil as needed if it is not at the top mark on the dipstick.
Replacing Oil And Filter (See SERVICE SCHEDULE on Page 10-50-1.) for the service interval for replacing the engine oil and filter. Route the drain hose our the tailgate and run the engine until it is at operating temperature. Stop the engine. Open the tailgate. Route the drain hose out the tailgate. Remove the drain cap (Item 2) [Figure 10-90-1]. Drain the oil into a container. Recycle or dispose of used oil in an environmentally safe manner. Remove the oil filter (Item 3) [Figure 10-90-1] and clean the filter housing surface. Use a genuine Bobcat replacement filter element. Put clean oil on the filter gasket. Install the filter and hand tighten.
10-90-1
331, 331E, 334 Excavator Service Manual