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G1021X 15" Extreme Series Planer
-25-
Tools Needed: Qty
Phillips Screwdriver #2 ......................................
1
Wrench or Socket
12mm ................................... 1
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 during table leveling pro-
cedures.
To adjust the chain tension
:
1. DISCONNECT THE PLANER FROM THE
POWER SOURCE!
2. Remove the motor access panel.
3. Loosen the two locking bolts and move the
idler sprocket until chain play has been elimi-
nated (
Figure 24).
Chain Tension
Figure 24. Underside of table.
4. Re-tighten the two locking bolts.
5. Check chain lubrication. Refer to SECTION
6: MAINTENANCE on
Page 22 for further
details.
Lock Bolts
Idler Sprocket
NOTICE
DO NOT let the chain fall off the sprock-
ets—returning it to its proper location with-
out changing the table adjustments can be
very difficult.
Table Parallelism
Maximum Allowable Tolerances:
Cutterhead/Table Side-to-Side ..................
0.002"
Head Casting/Table Front/Back ................
0.020"
Table parallelism is critical to the operation of the
machine. As such, it is essential that the table is
parallel with the cutterhead (within 0.002")
from
side-to-side, as illustrated in
Figure 25.
Figure 26. Front-to-back parallelism.
Figure 25. Side-to-side parallelism of table and
cutterhead.
How the table sits in relation to the head casting
from front-to-back is also important (see
Figure
26). Because the feed rollers, pressure bar, and
chip breaker will be adjusted off the table position,
the tolerances on the front-to-back positioning are
not as critical as the cutterhead/table side-to-side
positioning. Therefore, the maximum allowable
tolerance for the front-to-back parallelism is not
more than 0.020".