chain saws
UNIT 015 CHAIN SAWS
ELEMENTS
- Basic maintenance and sharpening
- Basic cutting techniques ground level.
- Clearing fallen trees and ground level
- Basic tree felling.
RANGE STATEMENT
- Inspections operational, routine, scheduled.
- Plant and attachments chain saw body, drive sprocket, bar, chain.
- Types of deficiencies saw body wear or damge, drive sprocket wear or damage, bar wear or damage, chain wear or damage.
- Start stop procedures operating start and stop controls, emergency stops.
- Approved practice safety, manufacturers, organisation.
- Types of defects over running, misfiring, overheating, excessive and uncharacteristic noise, inadequate performance, pressure cutting , sideways cutting
- Designated persons operatives, chargehand, foreman, supervisor.
- Prescribed format job card, work slip, report sheet.
ELEMENT 1 Basic maintenance and Sharpening
PERFORMANCE CRITERIA
| a) |
All appropriate tools and safety equipment are in evidence. |
| b) |
Identification of saw make and model are made with reference to the appropriate instruction manual. |
| c) |
Chain and bar removal from saw in a safe sequence. |
| d) |
Saw body is inspected for wear or damage and appropriate action is taken. |
| e) |
Bar guide and chain gauge are identified as a suitable match. |
| f) |
Bar is inspected for wear and damage and appropriate action is taken. |
| g) |
Chain is inspected for wear and damage and appropriate action is taken. |
| h) |
Cause and remedy of component problems encountered are identified. |
| i) |
Cleaning of all components is carried out in a correct and safe manner. |
| j) |
Nomenclature of component chain parts is accurate. |
| k) |
Chain type is identified and correct diameter around the file is selected. |
| l) |
The appropriate filing angle is used and regular balanced sharpening is achieved. |
| m) |
Depth gauges and tangs are inspected and filed according to their requirements. |
| n) |
Bar and chain are re-assembled on saw body and appropriate tensioning is applied |
ELEMENT 2 Basic cutting techniques ground level.
PERFORMANCE CRITERIA
| a) |
All appropriate operative safety clothing is in evidence and is used accordingly. |
| b) |
Saw pre-start checks are carried out safety in accordance with approved procedures. |
| c) |
Fuelling oiling and starting procedures are carried out safely in accordance with approved procedures. |
| d) |
Chain brake function is observed to be checked as operational. |
| e) |
Movement of saw from starting point to cutting area carried out safely. |
| f) |
A top cut with pulling chain is to be carried out safely in accordance with approved procedures |
| g) |
A bottom cut with pushing chain is to be carried out safely in accordance with approved procedures. |
| h) |
A boring cut using controlled thrust is to be carried out safely in accordance with approved procedures. |
| i) |
A correct stance is adopted for each technique observed. |
ELEMENT 3 Clearing fallen trees at ground level.
PERFORMANCE CRITERIA
| a) |
All appropriate operative safety clothing is in evidence and is used accordingly. |
| b) |
Bar length and saw power range selection is appropriate for cutting performance required. |
| c) |
Chain selected is appropriate for cutting operation. |
| d) |
Saw pre-start checks are carried out safely in accordance with approved procedures. |
| e) |
Fuelling oiling and starting procedures are carried out safely in accordance with approved procedures. |
| f) |
Check brake function is observed to be checked as operational. |
| g) |
Assessment of peripheral are requirements prior to cutting. |
| h) |
The requirements of a clear working area and safe exit line are assessed. |
| i) |
Clear safety instructions are given to any assistant on site. |
| j) |
Cutting techniques relevant to tension and pressure requirements are carried out safely and ain accordance with approved procedure |
| k) |
Re-fuelling and oiling are carried out in a safe manner. |
| l) |
Checks for chain tension and sharpness are observed at each re-fuelling. |
For more information on any of our services please browse our site, call us on 01903 740417 or email us at mail@wilbarassociates.co.uk
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