Assembly Instructions
6
PS20 Seed Cup Speed Increaser Kit 329-181A Assembly Instructions Manual No. 329-242MK
5/21/21
Assemble and Route Roller Chains
This kit requires the installation of three standard #40
roller chains. Refer to Figure 1-21 on page 14 to identify
each chain by pitch count and part number.
For detailed instructions on how to connect the ends of a
“Connect/Disconnect Chain Links”
Installing 35 Pitch Count Roller Chain
Refer to Figure 1-10:
1. Disassemble roller chain (#47) at its connecting link.
2. Place roller chain (#47) on top of sprocket (#8A) of
the lower drive sub-assembly, then route roller chain
to the inside of both sprockets (#7).
3. Continue routing roller chain (#47) around the
underside of sprocket (#2) on the seeder’s rear roller
axle (X). Reconnect chain ends with connecting link.
“Connect/Disconnect Chain Links”
Installing and Routing Roller Chain (#47)
Figure 1-10
Installing 45 Pitch Count Roller Chain
Refer to Figure 1-11:
1. Disassemble roller chain (#1) at its connecting link.
2. Place roller chain (#1) on top of Primary Seeder’s
33 tooth sprocket (W).
3. Route roller chain (#1) to the underside of
sprocket (#7A) on the upper drive sub-assembly.
4. Continue routing roller chain (#1) to wrap around
sprocket (#6) installed on hex shaft (#14).
5. Continue routing roller chain (#1) to wrap under
sprocket (#6), and over top of sprocket (#7B).
6. Continue routing roller chain (#1) along underside
and around the 33 tooth sprocket (W). Reconnect
chain ends with connecting link. Refer to
“Connect/Disconnect Chain Links”
76271
Lower drive
sub-assembly
Installing and Routing Roller Chain (#1)
Figure 1-11
Installing 92 Pitch Count Roller Chain
Refer to Figure 1-12:
1. Hold the 60 tooth sprocket (#49) vertically in hand,
then hang roller chain (#48) over the sprocket.
2. With the 60 tooth sprocket (#49) in hand, hook roller
chain (#48) to the underside of sprocket (#8B).
3. Route the roller chain (#48) to the inside of idler
sprocket (#7) as shown in Figure 1-12.
4. Install the 60 tooth sprocket (#49) onto hex
shaft (#14), then secure sprocket to the hex shaft with
linchpin (#45).
Installing and Routing Roller Chain (#48)
Figure 1-12
76294
Upper drive
sub-assembly
NOTE:
The 92 pitch roller chain does not need to be
disassembled to be installed onto this kit.
NOTE:
If needed, temporarily unhook spring from
idler arm (#16) to ease installation of sprocket (#49)
onto hex shaft (#14).
Upper drive
sub-assembly
76272
Lower drive
sub-assembly