Grizzly POLAR BEAR G0453P - Manual (Page 47)

-37- Model G0453Z/G0454Z (Mfg. 1/09+)
Table Height Chain
Tension
the table height chain transfers movement from
the handwheel to elevate the table. this chain
can be adjusted to remove slack if it stretches
over time or is loosened during table leveling
procedures.
Tools Needed Qty
phillips screwdriver #2 ...................................... 1
Wrench or socket 12mm ................................... 1
To adjust the table height chain tension:
1. disConnECt pLAnEr FroM poWEr!
2. remove the front and rear cabinet panels
to gain access to the table height chain
system underneath the table, as shown in
figure 35.
figure 35. table height idler sprocket and lock
bolts (viewed from underneath the planer base).
Lock Bolts
idler
sprocket
NOTICE
During the next step, DO NOT let the chain
fall off the sprockets. It can be very difficult
to return the chain to its proper location on
the sprockets without changing the table
adjustments.
Note: The goal in the next step is to remove
looseness in the chain without putting tension
on it or the sprockets.
3. Loosen the lock bolts shown in figure 35,
and push the idler sprocket against the chain
with moderate hand pressure, then while
maintaining the pressure on the idler sprock-
et, re-tighten both lock bolts.
4. Clean and lubricate the chain and sprockets
(refer to Table Height Chain & Sprockets
on Page 30 for detailed instructions).