Section 3: Adjustments
11/6/18
PR1660, PR1672 & PR1690 Powered Rakes 314-216M
19
Drive Chain Adjustment
Refer to Figure 3-6:
WARNING
!
To avoid serious injury or death:
Before any adjustments or maintenance is performed, lower
implement to ground, shut engine off, and remove switch key.
Do not attempt to make adjustments or perform maintenance
with implement or power machine running.
1.
Check chain tension by removing 1/4" x 5/8" hex
bolts (#4), lock washers (#9), and access cover (#2)
from the chain case.
2. Inspect chain for tightness and excess wear. Replace
worn out chains. See
3. Tension a loose chain by turning the take-up bolt (#5)
clockwise. Don’t over tension. See note below.
.
4. Turn tension roller several turns and observe the
chain to make sure everything is working properly.
5. Apply 1/8" bead of Land Pride No. 821-049C sealant
on the surface of the main cover (#1) in location
where the access cover (#2) contacts the main
cover (#1). Reinstall access cover (#2) and secure
with lock washers (#9) and 1/4"-20 x 5/8" GR5 hex
bolts (#4). Torque hex bolts to correct torque.
NOTE:
Do not over tension roller chain. Roller chain
should be tightened with a slight amount of slack. A
chain tensioned too tight will increase sprocket and
chain wear.
Drive Chain Adjustment
Figure 3-6
21097