PM4 Maintenance Interval Schedule (MIS): Hydraulic Excavator Family

Failure to lock out equipment before working on it accounts for:

1. 2% of the industrial accidents each year

2. 5% of the industrial accidents each year

3. 10% of the industrial accidents each year

4. None of the answers are correct

10% of the industrial accidents each year

"Right" and "left" on the machine is determined by:

1. Sitting in the operator's position in the cab

2. Standing in front of the machine

3. Standing in back of the machine

4. None of the answers are correct

Sitting in the operator's position in the cab

You should warm the machine to:

1. Operating temperature

2. Cycle all controls

3. Move the machine to warm and circulate oil

4. None of the answers are correct

Move the machine to warm and circulate oil

When preparing to work on a machine, you should:

1. Always park the machine on an incline

2. Do not use the parking brake

3. Attach a "Do Not Operate" tag to the start switch

4. All of the answers are correct

Attach a “Do Not Operate” tag to the start switch

The #1 priority of any job is:

1. Attire

2. Safety

3. Correct technique

4. None of the answers are correct

Safety

To ensure safety in respect to attire, you should:

1. Wear safety glasses

2. Wear safety shoes

3. Do not wear finger rings

4. All of the answers are correct

Al of the answers are correct

When checking the engine coolant level, don't just check the overflow bottle, also check the level in:

1. The engine

2. You don't need to check elsewhere

3. The radiator

4. All of the answers are correct

The radiator

Releasing the pressure in the hydraulic system:

1. Should be done while the machine is running

2. Should only be performed when the machine is turned "OFF" and tagged out "Do Not Operate."

3. Is not unique to the hydraulic excavator

4. None of the answers are correct

Should only be performed when the machine is turned "OFF" and tagged out "Do Not Operate."

When replacing the hydraulic return oil filter, you should:

1. Remove the filter element with the cartridge in the housing

2. Over tighten the vent plug

3. Inspect the O-Ring seal and replace if necessary during final assembly

4. None of the answers are correct

Inspect the O-Ring seal and replace if necessary during final assembly

When inspecting the pads and seals of the hydraulic return oil filter:

1. Turn the shell upside down to inspect the pads

2. Make sure the pads are positioned correctly

3. Apply grease to the O-ring seals

4. All of the answers are correct

All of the answers are correct

When preparing for cartridge installation of the return oil filter, you should:

1. Apply grease to the O-ring seals

2. Make sure the ports on the bottom of the filter are closed

3. Completely remove any remaining oil in the filter housing

4. All of the answers are correct

All of the answers are correct

When cleaning around the housing:

1. Always tighten the vent plug

2. Never remove the filter element with the cartridge still in the housing

3. You don't need to clean the housing

4. None of the answers are correct

Never remove the filter element with the cartridge still in the housing

When you are reinstalling the hydraulic tank screen, install the screen assembly and then the:

1. Spring

2. Filter

3. Bearing

4. O-ring

Spring

When cleaning the hydraulic tank screen, you should:

1. Wash the screen assembly in a nonflammable solvent

2. Inspect the O-Ring seals

3. Make sure the screen assembly is properly seated in the bottom of the tank

4. All of the answers are correct

All of the answers are correct

To properly bleed air from the hydraulic pump:

1. Make sure the engine is started

2. Refer to the OMM for the correct procedure for the machine being serviced

3. You do not have to do this step on the hydraulic excavator

4. None of the answers are correct

Refer to the OMM for the correct procedure for the machine being serviced

When priming the fuel system:

1. Be sure to open the fuel shut off valve before starting the engine

2. Prime the fuel system once the filters have been changed

3. Refer to the OMM on priming for the machine you are servicing

4. All of the answers are correct

All of the answers are correct

When replacing the primary and secondary air filter elements:

1. Be sure to bump and tap the air filter elements

2. Inspect the O-Ring seal on the air cleaner cover

3. Disregard the condition of the filters

4. None of the answers are correct

Inspect the O-Ring seal on the air cleaner cover

The secondary air filter cannot:

1. Be used on a hydraulic excavator

2. Be replaced

3. Be cleaned

4. None of the answers are correct

Be cleaned

When lubricating the swing gear drive on a hydraulic excavator:

1. Always check the compartment for water

2. Grease the gear teeth

3. Refer to the OMM for the proper procedure

4. All of the answers are correct

All of the answers are correct

The swing bearings on an excavator:

1. Have 3 grease fittings

2. Have 2 grease fittings

3. Do not have to be greased

4. None of the answers are correct

Have 2 grease fittings

Grease under pressure:

1. Can result in an injury or death

2. Is not a safety issue

3. Does not apply to the hydraulic excavator

4. All of the answers are correct

Can result in an injury or death

The three steps to track adjustment involve positioning the track, making the adjustment, and:

1. Loosening the track

2. There is not a third step

3. Measuring the track tension

4. None of the answers are correct

Measuring the track tension

If you are making a track adjustment, you should turn the relief valve:

1. A maximum of one turn

2. Two turns

3. 1/2 of a turn

4. Three turns

A maximum of one turn

CID stands for:

1. Control ID

2. Caterpillar ID

3. Component ID

4. None of the answers are correct

Component ID

FMI stands for:

1. Failure Mode ID

2. Format ID

3. Filter ID

4. None of the answers are correct

Failure Mode ID