1 / 11

Chain Saw Safety

Chain Saw Safety. by Bob Schultheis Natural Resource Engineering Specialist. Saw Selection - Electric. Needs nearby electric power; no fuel Starts instantly; runs quietly Indoor or outdoor use Limited to 14" bar length Potential shock hazard. Saw Selection - Gasoline.

odina
Download Presentation

Chain Saw Safety

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chain Saw Safety by Bob SchultheisNatural Resource Engineering Specialist

  2. Saw Selection - Electric • Needs nearby electric power; no fuel • Starts instantly; runs quietly • Indoor or outdoor use • Limited to 14" bar length • Potential shock hazard

  3. Saw Selection - Gasoline • Usable anywhere with gas:oil fuel mix • Many engine & bar length choices • Noisy and smoky • Outdoor use only • Potential fire & burn hazard

  4. Match Saw Bar Length to Job • 8"-12" = light use, limbing, felling very small trees • 12"-20" = frequent use, felling/cutting small trees • Over 20" = heavy use by professionals

  5. Personal Preparation(Safety Gear) • Clothing- well-fitted, consider nylon mesh • Hard hat • Safety goggles or shielded safety glasses • Ear muffs or ear plugs- 15-30 dB reduction • Leather gloves • Safety boots or high-top leather shoes

  6. Duration (hours/day) Sound Level(dBA) 8 90 4 95 2 100 1 105 1/2 110 1/4 or less 115 Chain Saw = 120 dBSound Level Source: OSHA Noise Standard

  7. Saw Preparation • Sharpen chain if.... • it "walks" sideways under power • produces fine powder instead of chips • must press hard to improve cutting • Tension chain to avoid binding/derailing • 1/32" chain gap if cold • 1/8" chain gap if hot • Regular chain lubrication extends life

  8. Chain Saw Safety Features • Chain brake • Anti-kickback chain • Safety tip on bar end • Vibration-reduction bushings • Automatic chain oiling • Trigger or throttle lockout

  9. Chain SawOperating Techniques 1 • Refuel engine only when cool • Brace firmly on ground to start;NO drop-starting • "Read" the tree before felling • Pre-plan unobstructed escape path at45° retreat angle • Shut off and leave saw before retreating

  10. Chain SawOperating Techniques 2 • Don't saw above shoulder height • "Look beyond" limb you cut forkickback hazards • Check log "support points" before cutting • Read the owner's manual

  11. Questions ?? Robert A. (Bob) Schultheis Natural Resource Engineering Specialist Webster County Extension Center 800 S. Marshall, P.O. Box 7 Marshfield, MO 65706-0007 Voice: 417-859-2044 Fax: 417-468-2086 E-mail: schultheisr@missouri.edu Web: outreach.missouri.edu/webster

More Related