Lg Exc Civexcavatorsamplepages

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RIIMPO320A

Conduct civil construction excavator operations

excavatorLearner Guide


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May not be reproduced 4

An example of an excavator:

Boom cylinder

Cab

Counter weight

Track roller Carrier roller

Driver wheel Track

Boom Dipper arm cylinder Dipper arm (power arm)

Bucket cylinder

Bucket

Idler wheel

Link

Rod

Quick hitch


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18May not be reproduced

Element 1 Plan and prepare

Where can you nd the jobs work instructions and what do they explain?Question 6

Performance criterion 1.2

Answer: Ask your supervisor. Work instructions explain:

Where the job is

What the job is

How to do the job safely

How to do the job from

start to nish

What tools and equipment

you need

How long the job will take

What to do in unexpected

situations like bad weather


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Easy Guides Australia Pty Ltd19

Element 1 Plan and prepare

What does the safety plan tell you?Question 7


Answer: The safety plan tells you how the worksite meets all government rules.The safety plan also tells you about:

Control hazards and risksUse tools, plant and equipment safely


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Element 2

conduct machine

pre-operational checks


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Element 2 Conduct machine pre-operational checks

What pre-operational checks you do before using the excavator?Question 19

Answer: Checks may include:


Check the fuel gauge to

make sure the excavator

has enough fuel

Look for leaks under

the machine

Check tyre condition,

tyre pressure and

wheel nuts


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Element 2 Conduct machine pre-operational checks

What problems do you check the hydraulic system for?Question 29

Answer: Look for:


Damaged or bent hydraulic rams Leaks Bent rams


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Element 3

operate the excavator


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Element 3 Operate the excavator

You are operating an excavator and it touches live powerlines.

What do you do?

Question 40


Answer:

Try to stay calm. Stay in your seat if possible.

Tell other people to keep away.

Try to lower the bucket away from the powerlines.

Ask someone to get the power turned off.


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Element 4

lift, carry and

place materials


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Element 4 Lift, carry and place materials

You want to use the excavator for lifting. What must the excavator have?Question 84

Answer:

The excavator must have an approved lifting lug and the SWL

marked on the boom. The lug must be manufacturer approved.

Do not use the bucket to lift! If the excavator has a quick-hitch

type bucket, take off the bucket rst.



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Element 4 Lift, carry and place materials

You are moving a load and the slings shift. What do you do?Question 93


Answer:

Lower the load slowly

and x the slings.


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Element 5 Select, remove and ft attachments

What are some attachments you can use on an excavator?Question 98


Answer:

Excavating bucket Trench bucket


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Element 5 Select, remove and ft attachmentsQuestion 98 continued

General purpose

bucket

Ripper/scarier

Mud bucket


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Element 6

relocate the excavator


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Element 6 Relocate the excavator

Do you need a permit to drive an excavator on a public road?Question 110

Answer:

You might if the excavator is too heavy,

too long or too wide. Check with your

local transport authority (for example,

VicRoads or the RTA).



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Element 7

carry out machine

operator maintenance


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Element 7 Carry out machine operator maintenance

Youve nished work. How do you secure the site?Question 116

Answer:

Set up fences and barricades.

If possible, lock the site.


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