11.Carefully remove the cutterhead (A, Fig. 48).
12.Before placing the new cutterhead back into the casting, thoroughly clean the "saddle" and the bearing housings of saw dust and grease so that they seat properly.
13.To
Note: When securing the fence base casting, make sure it is level with the outfeed table.
Figure 48
Troubleshooting Operating Problems
Trouble
Finished stock is concave on back end.
Finished stock is concave on front end.
Chip out.
Fuzzy grain.
Cutterhead slows while operating.
“Chatter” marks on workpiece.
Uneven knife marks on workpiece.
Probable Cause | Remedy | |
|
| |
Knife is higher than outfeed | Raise outfeed table until it aligns with tip of | |
table. | knife. See Outfeed Table Height Adjustment. | |
|
| |
Outfeed table is higher than | Lower outfeed table until it aligns with tip of | |
knife. | knife. See Outfeed Table Height Adjustment. | |
|
| |
Cutting against the grain. | Cut with the grain whenever possible. | |
|
| |
Dull knives. | Sharpen or replace knives. | |
|
| |
Feeding workpiece too fast. | Use slower rate of feed. | |
|
| |
Cutting too deeply. | Make shallower cuts. | |
|
| |
Knots, imperfections in wood. | Inspect wood closely for imperfections; use | |
different stock if necessary. | ||
| ||
|
| |
Wood has high moisture | Allow wood to dry or use different stock. | |
content. | ||
| ||
|
| |
Dull knives. | Sharpen or replace knives/inserts. | |
|
| |
Feeding workpiece too | Feed more slowly, or apply less pressure to | |
quickly, or applying too much | ||
workpiece. | ||
pressure to workpiece. | ||
| ||
|
| |
| Set knives properly as described in the | |
Knives incorrectly set. | Setting Cutterhead Knives section. Check that | |
knife slots are clean and free of dust or | ||
| ||
| debris. | |
|
| |
Feeding workpiece too fast. | Feed workpiece slowly and consistently. | |
|
| |
| Align knives per the Setting Cutterhead | |
Knives are nicked, or out of | Knives section. Replace nicked knives or | |
alignment. | correct for small nicks – see Setting Knives | |
| for Rabbeting and Nicks. | |
|
|
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