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DJUSTMENTS
Primary Dirt Chain
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1. As the primary chain wears it will become necessary to tighten it, to prevent it from running too close to the ground.
Tighten the chain by adjusting the push bolts on the upper primary chain shaft.
2. After additional wear, it may become necessary to remove several links from the chain and re-adjust. (See below for
procedure, which is the same as for elevator chain)
3. If your machine is equipped with one of the optional bar chains, it does not need to be adjusted as frequently as the
roller chain style. Do not over tighten the bar chain.
Be sure machine is stable and blocked up securely before working underneath. Failure to
heed these warnings may result in severe personal injury or death
Installing Optional Dirt Chains
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Primary & elevator dirt chains are available in (4) different configurations. These are: 1] Roller chain,
sprocket driven flat wire for almonds, 2] Sprocket driven 32 mm pitch bar chains for walnuts, 3] Sprocket driven
28mm pitch bar chains for pecans & hazelnuts. In addition, friction driven Twin Rod bar chains are also available
for almonds. Should you need to convert your harvester from flatwire to bar chain or Twin Rod, follow the
procedure listed below. NOTE: It is important to consult the parts and / or service department at Flory, since some
of these conversions require different seals, seal holders, sprockets, etc.
Primary dirt chains are heavy and very flexible. Wear gloves and be aware of pinch points
when handling or adjusting.
1. Park the harvester on a hard level surface. Raise the front of the harvester and block securely! Engage the parking
brake and block rear wheels to prevent it from moving. Engine must be off.
2. Loosen the take up bolts on upper dirt chain shaft.
3. Locate the chain connector links and threaded lacing wire in the dirt chain, then manually advance the chain so
the connector links and lacing wire is on the underneath side, near the front of the machine.
4. Remove the connector links, lacing wire and dirt chain from harvester.
5. Remove the lower dirt chain shaft assembly with bearings and straps, and also the sprockets from upper shaft.
6. Install drive sprockets on upper shaft, part number 12T32MM for 32mm pitch (walnuts), or part number 14T28MM
for 28mm pitch (pecans and hazelnuts).
7. Install support roller, part no. F32928R centered between drive sprockets.
8. Install plates and rollers at lower shaft location (part no. L20015 plate) and (part no. RL1080) 2 each.
9. Install belt chain; adjust to proper tension, and test run.
Conversion to a Twin Rod bar chain is a bit more complex, therefore it is recommended that you contact the Flory
service department for further information.
WHEN TWIN ROD CHAINS ARE BEING USED: It is recommended to replace the connector rod every 200
hours of operation. If the connecting rod is allowed to go too long, it will accelerate wear on the connecting clips, and
replacing the clips is a much more costly and time consuming repair.
When it is determined time to replace the connecting rod, inspect the clips also. If the clips need replacing, that can
be done without replacing the entire chain.
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