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SECTION V - MAINTENANCE AND STORAGE
IMPORTANT: The knife should be checked for sharpness and the nuts and bolts attaching them to the
flywheel for tightness every 8-10 hours of operation.
IMPORTANT: Every time you perform maintenance or any kind of service or check on the knife, be sure to
check the gap between the knife and wear plate for proper setting.
NOTE: A knife gauge has been provided with your machine. It is 1/16
th
” thick and should be used to set
the correct gap between the knife and wear plate.
If the cutting mechanism strikes any foreign object or if your machine should start making an
unusual noise or is vibrating, stop the engine, disconnect both
spark plug wires from the spark
plugs. Allow the engine to cool before you;
a. Inspect and examine for obvious damage.
b. Check for loose parts, bolts, and nuts.
1. When not in use, your chipper should be stored out of the reach of children. Be sure there are no gasoline
fumes in the storage area. For long periods of storage (over winter), refer to the engine owner’s manual.
2. After every 8 hours of operation, lubricate the chipper side and drive side bearings. To do this, wipe all dirt,
etc., from the grease fittings with a clean cloth, then apply no more than 3 shots of quality general-purpose
grease with a hand-pumped grease gun. Over lubrication can also damage bearings. Also, check the bearing
collar set screws regularly to be sure they are tight. If they are loose, reset them with Loctite 243, obtainable at
any hardware store.
3. You will find information included referring to operation and maintenance of the chipper engine. Look it over
carefully. BE CERTAIN TO SERVICE THE ENGINE BEFORE YOU START IT.
4. When the steel chipping knife (item #11, pg. 32) needs replacing or sharpening, refer to the section on
removal, sharpening and re-installation.
5. Care must be exercised when sharpening the knife to maintain the correct bevel and a straight edge. Refer to
sharpening directions. When you install a knife, the clearance between the knife and wear plate must be
checked and set. This clearance or gap should be set to 1/16” (see figure 1).
6. To adjust this clearance, loosen the three ¼” nuts and bolts (item #16 & #22, pg. 30) holding the wear plate in
place. The wear plate can be slid up or down (in or out) to achieve the correct gap setting.
7. Take the knife gauge and slide between the knife and wear
plate. If the gap is set correctly, the knife gauge will lightly
touch both the knife and wear plate. If the gap is too small,
you will not be able to get the gauge between the knife and
wear plate. If the gap is too large, there will be excess room
between knife gauge, knife and wear plate. Tighten the nuts
and bolts when the wear plate is in the correct position. Be
certain the flywheel rotates without hitting anything before
starting the chipper.
8. If the gap between the wear plate and the knife is not set
correctly, you will have excessive vibration when chipping
and the blade will seem to be dull. This should be checked
every 8-10 hours of operation.
9. If at any time it becomes necessary to disassemble the
chipper for repairs, the chipper disk (item #13, pg. 32) must
be re-installed in exactly the same position on the rotor shaft.
NOTE: Proper gap setting is critical to the proper operation of your machine.
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