Oregon Harvester - Page 4

Saw Chain Maintenance
Saw Chain Maintenance ...............................29 – 30
• Clean .......................................................29
• Inspect. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
• Discard .....................................................29
• Repair ......................................................35
• Clean and Lubricate ..........................................30
Sharpening and Maintenance ..........................31 – 38
• Filing and Grinding Angles ....................................31
• Optional Sharpening Angles ..................................32
Sharpening and Maintenance Tools ....................33 – 34
• Multi-Purpose Tool Functions .................................34
• Sharpening Saw Chain with a Round File .......................35
• Sharpening Saw Chain with a Grinder. . . . . . . . . . . . . . . . . . . . . . . . . . 36
• Setting the Vise Assembly ....................................36
Grinding Wheels .......................................... 37
• Vitrified Grinding Wheels .....................................37
How to Set Depth Gauges ................................. 38
Saw Chain Repair
How to Break Out Rivets .................................. 39
Joining Saw Chain ....................................40 – 42
Saw Chain Troubleshooting ...........................43 – 50
• Cuts Slow, Cuts Rough, or Won’t Hold an Edge ............ 43 – 45
• Cutters or Tie-Straps Wear Heavily or Break ...................46
• Drive Links Wear Heavily or Break ....................... 47 – 48
• Sharpening Drive Link Tangs .................................49
• Saw Chain Has Tight Joints ...................................49
• Saw Chain Cuts Crookedly/Leans to One Side/Cuts Unevenly ....50
Guide Bars
Understanding Bar Part Numbers ......................... 53
Guide Bar Types ......................................54 – 55
Bar Noses ................................................ 56
Guide Bar Mount Types
and Drive Sprocket Tooth Counts ......................56 – 70
• .404"-Pitch Guide Bar Mounts .............................57– 61
• .404"-Pitch Jet-Fit
® Guide Bar Mounts .................... 62 – 63
• 3/4"-Pitch Guide Bar Mounts ............................ 64 – 78
• 3/4"-Pitch Symmetrical Two-Ended Guide Bar Mounts ..........73
• 3/4"-Pitch Asymmetrical Double-Ended Mounts ............74 - 75