W1747 20" Planer
6.Position the knife gauge over the knife as shown in Figure 17 and loosen the gib bolts until the knife is completely loose.
7.Jack
8.Rotate the cutterhead to the first knife you started with. Slightly tighten all the gib bolts by following the tightening sequence shown in Figure 20. Repeat this step on the rest of the knives.
9.Final tighten each gib bolt, then reinstall the top cover, dust port and bolt guard.
OFF
Figure 19. Jack screw access hole.
5 | 3 | 1 | 2 | 4 | 6 |
Figure 20. Gib bolt tigthening sequence.
SERVICE
Chain Tension
The chain drive transfers movement from the handwheel to elevate the table. The chain drive can be adjusted to remove slack if the chain stretches over time or is loos- ened during table leveling procedures.
To adjust the chain tension, do these steps:
1.DISCONNECT THE PLANER FROM THE POWER SOURCE!
2.Remove the motor access panel.
NOTICE
During the next step, DO NOT let the chain fall off the
3.Loosen the two lock bolts, move the idler sprocket against the chain to tighten it (Figure 21) and re- tighten the locking bolts.
4.Check chain lubrication. Refer to MAINTENANCE on
Page 23 for further details.
Idler Sprocket
Table Height
Adjustment
Chain
Lock Bolts