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12.0 User-maintenance
12.1 Cutterhead care
Blades are extremely sharp!
Use caution when cleaning or changing.
Failure to comply may cause serious injury!
The condition of the knife inserts will affect the
precision of the cut. Observe the quality of the
cut that the machine produces to check the
condition of the knives. Dull knives will tear,
rather than cut the wood fibers and produce a
fuzzy appearance.
When gum and pitch collect on the knife inserts,
carefully remove with a strong solvent. Failure to
remove gum and pitch build up may result in
excessive friction, blade wear and overheating.
When knife inserts become dull, rotate them.
After three rotations, replace them.
12.2 Lubrication
The cutterhead ball bearings are lifetime
lubricated and need no further care.
12.3 Belt replacement (drive/fan)
1. Disconnect jointer from power source;
unplug.
2. Lay the jointer on its side so that the switch
is facing upward. See Figure 12-1.
3. Remove the two screws that hold the belt
cover in place and remove cover situated at
the end of the cutter head.
4. Remove the four screws that hold the
bottom cover on and remove cover.
5. Remove the fan belt (B, Figure 12-1) from
the cutter head pulley first, then the drive
belt. Pull the belt towards you and turn the
belt at the same time until it rolls off the
pulleys.
6. Install new drive belt, then fan belt, by rolling
them onto the pulleys while turning the belts.
Make sure belts seat fully in groves of both
pulleys.
7. Reinstall covers.
Figure 12-1
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