Service Manual

325/328 Excavator

Operation and Maintenance Manual 70

ENGINE LUBRICATION SYSTEM (CONT’D)

Replacing Oil And Filter

See the SERVICE SCHEDULE for the service interval for

replacing the engine oil and filter. (See SERVICE

SCHEDULE on Page 59.)

Run the engine until it is at operating temperature. Stop

the engine.

Open the tailgate.

Figure PM-20

Thread the drain hose (Item 1) [Figure PM-20] out the

tailgate.

Figure PM-21

Remove the cap (Item 1) [Figure PM-21]. Drain the oil

into a container.

Recycle or dispose of used oil in an environmentally safe

manner.

Figure PM-22

Remove the oil filter (Item 1) [Figure PM-22] and clean

the filter housing surface.

Use a genuine Bobcat replacement filter. Put clean oil on

the filter gasket. Install the filter and tighten by hand.

Install and tighten the oil cap.

Figure PM-23

Remove the fill cap (Item 1) [Figure PM-23].

Put oil in the engine.

Install the fill cap. Start the engine and let it run for several

minutes.

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.

P-49419

P-49420

P-49421

P-49422