GENERAL MAINTENANCE
Fig. 2
Pulley Guard
Main Frame Top Flat (Left Side)
Main Frame (Left Side)
AERATOR MAINTENANCE
TO KEEP THE AERATOR IN GOOD
OPERATING CONDITION, PERFORM THE
FOLLOWING:
• When replacement parts are required, use genuine Classen
parts or parts with equivalent characteristics including type,
strength, and material. Failure to do so may result in product
malfunction and possible injury to the operator and/or bystand
-
ers.
• Any warning decal that becomes illegible should be replaced
immediately. (See Pg. 5.)
• Do not operate equipment without shield(s) in place. Do not
make any adjustments or perform any maintenance while the
engine is running.
• Thoroughly clean all tines inside and out when aerating is com
-
pleted and apply a light coat of oil to prevent rust on tines.
• Always lubricate Aerator each time it is put into service. Wipe off
lubrication ttings before and after each lubrication. The num
-
ber of lubrication ttings vary depending on model of Aerator.
TA-25D - Qty. 4, one in each wheel assembly and one in each
idler/clutch arm pivot bearing. (See Fig. 2.)
Idler Clutch Arm
(Right Side)
• Keep drive belt(s) free of oil and dirt.
Model TA-25D - If belts slip due to normal belt stretch, engine
can be adjusted forward within slotted holes to tighten belts.
• Check roller chain(s) for wear. Apply a light coat of No. 30 oil or
penetrating chain lubricant to keep the chain(s) clean and in
proper running order.
• Check roller chain(s) for tightness. Follow these steps:
4
Model TA-25D (See Fig. 3.)
1. Disconnect spark plug.
2. Take off pulley guard (see Fig. 2) by removing bolts, etc. which
attach it to the frame.
3. Loosen the bolts, nuts, lock washers, and at washers (Key 4) to
allow movement of the pillow block bearings only (Key 5). Loosen
nuts only, do not remove.
4. Loosen and unthread the two 5/16’’ nuts (Key 2) down to top of
chain tightening bracket (Key 3).
5. Turn the tap bolts (Key 1) evenly clockwise so jack shaft stays
level with frame until chain(s) is/are tight.
6. When adjustment is complete, retighten the bolts (Key 4) on the
pillow block bearings (Key 5) and replace the pulley guard and
fasteners.
NOTE: Excessive roller chain tightness will shorten the life of the
bearings. Chain(s) should have movement of 0.18 in./4mm free play
back and forth at center point between front drive sprocket and rear
tine assembly sprocket.
Fig.4
ENGINE MAINTENANCE
(Refer to engine manufacturer’s owners manual) Check engine
and gear reduction case oil level with engine resting in a level
position. Inspect air lter element and replace if necessary.
(8 pages)
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