Fig. 2
Pulley Guard
Idler Clutch Arm
(Right Side)
B EL T
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:
1. Disconnect spark plug.
2. Take off pulley guard (see Figure 2) by removing
bolts, etc. which attach it to the frame.
Use Figure 3 for the following
3. Loosen the bolts, nuts, lock washers, and flat wash
-
ers (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.
N OTE:
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.
M AI N TEN AN C E / S TORAG E
L U B RI C ATI ON
Qty. 4, one in each wheel assembly and one in each
idler/clutch arm pivot bearing. Figure 2
Main Frame Top Flat (Left Side)
Main Frame (Left Side)
Fig. 3
EN G I N E M AI N TEN AN C E
(Refer to engine manufacturer’s owners manual) Check
engine and gear reduction case oil level with engine
resting in a level position. Inspect air filter element and
replace if necessary
.
1 3
AERATOR
