Chainsaw Operations & Maintenance

What are three (3) additional checks that should be

carried out as part of a periodic service?

What is the

sequence of

checks to be

carried out if the

saw will not start?

• Refer

  to manufacturers

  specifications

  

  Refuel

  

  Place saw over a log with exhaust

  port facing down and choke in off

  position. Hold throttle wide open

  and pull starter

  

  Set choke to running position, turn

  off ignition. Remove and dry out

  spark plug. Ensure spark

  plug lead

  is earthed and briskly pull starter

  rope to blow out fuel. Replace

  spark plug

• .

What is the

process if you find

the saw damaged?

• Tag the piece of equipment

  

  Report

  it to your Team Leader

• .

HAZARD AND RISK

General hazards may include:

• Environmental

  

  Chainsaws and cutting equipment

  

  Tree debris

  

  Other operators

• .

Name two

(2)

Acts,

R

egulations or Codes

of Practice

that

govern tree

operations

• Any two of the following:

  

  Work Health & Safety Act

  and

  Regulations (2011)

  

  AS 2727

  -

  Chainsaw

  –

  Guide to

  safe working practices

  

  WorkCover Authority of NSW

  –

  Amenity Tree Industry, Code of

  Practice

  

  Safe Work Australia

  –

  Managing

  Risks in Forestry Operations,

  Code of Practice (Draft)

  

  Safe Work Australia

  –

  Tree

  Trimming and Removal Work

  –

  Cr

  ane Access Method, Code of

  Practice (Draft)

• .

Explain

‘Take 5’

Hazard

and

Risk

A

ssessment

of the

scene,

explaining

each of the 5 steps

to the assessor?

• Should refer to:

  1. Stop, stand back and observe

  2. Think through the task

  3. Identify hazards

  4. Assess

  and control risks

  5. Continually monitor

• .

What are three

(3)

examples of hazards

that an operator may

encounter?

• May include:

  

  Trips and falls

  

  Heavy debris

  

  Broken/damaged limbs

  

  Sloping Ground

  

  Surrounding trees

  

  Wet ground

  

  Electricity

  

  Weather conditions

  

  Day or night

  

  Potential stored energy in the

  tree

  

  Defects in the tree

• .

What is meant by

the term ‘

kickback

’

?

• The sudden uncontrolled thrust of the

  chainsaw upwards and backwards

  when an object comes in contact with

  the tip

  or upper quadrant of the guide

  bar.

• .

What are two

(2)

methods to reduce

the chance of

‘

kickback

’

?

• Look for possible:

  

  Maintain a firm grip and

  balanced stance

  

  Cutting at peak revs

  

  Being aware of where the nose

  of the bar

  is as at all times

  

  Use correct cutting techniques

  

  Ensure the chain is sharp and

  correctly tensioned

  

  Ensure correct depth

  gauge

  setting

  

  Select a narrow profile sprocket

  tipped bar

• .

W

hat are two

(2)

general

environmental

considerations that

you should take

into

account prior to

cutting?

• Look for any two:

  

  Native vegetation

  

  Flora and fauna

  

  Soil and water

  

  Regeneration opportunities

  

  Heritage and archaeological

  artefacts

• .