Great Plains 3S-4000HDF Operator Manual - Manual (Page 89)

Great Plains Manufacturing, Inc. Table of Contents Index Maintenance and Lubrication 85
2013-06-13 Table of Contents Index 195-067M
Opener-Frame Clearance
Refer to Figure 97
When fully raised, top of opener mounts should clear
bottom of drill frame tube by at least
1 ⁄
2
inch (12.7 mm).
To adjust opener frames so all openers have the same
clearance, loosen jam nut
on opener lift cylinders and
turn adjustment nut. When openers are at the correct
height, retighten jam nut. Repeat at each opener lift
cylinder if necessary.
Drive System
For proper operation and to prevent downtime and repair,
keep drive chains properly adjusted and lubricated.
Regularly check drive chains for excess slack and wear.
Adjust idlers to remove any excess slack from chains.
Refer to Figure 98
Note: Be sure chains are installed with the chain
connector link retainers towards machine
centerline and the clip openings (split end) facing
away from the direction of chain travel.
Figure 97
Opener Frame Clearance
18853
2
1
1
2
Figure 98
Chain Connector Link Clip
26482