6/30/2016
SE-HP, Manual
Copyright 2016 Vestil Manufacturing Corp. Page 7 of 11
Lubricating Methods
The lubricant can be applied by means of brush, paint brush or compressed air spray. When using spray cans, ensure
the following basic requirement is fulfilled:
After the thinner has vaporized, a viscosity conforming to the Lubricant Type, stated above, must be met.
Cleaning
If the chain’s operating environment significantly alters the oil’s integrity or its ability to lubricate the chain, the chain
must be cleaned and lubricated.
This is only to be effected with paraffin derivatives; such as: diesel fuel, petroleum, cleaner’s naphtha, etc.
Do not clean with steam injectors, cold cleaners or corrosive or acidic substances. They can directly lead to chain
damage.
If the chains have to be cleaned with steam injectors, please contact our customer service.
Chain Inspection
Chains used in the stacker should be inspected at least once a year or every three months if exposed to severe
contamination or high continuous load stress.
We recommend attending to the following points:
Unusual noise
Surface rust
Linkage rust
Stiff links
Distorted points
Loose link pins
Damage
Broken link plates
Broken pins
Contamination
Stretching or elongation
Even with the optimum amount of lubrication, it is impossible to prevent chain elongation.
Chain elongation is most profound in the links traveling over the chain sprocket/guide sprocket. Thus when
checking for elongation, this chain section is selected for measurement.
According to the regulations currently in force, a chain with 3 percent elongation is considered to be beyond its
functional life.
If a single chain application is connected to particularly critical or potentially hazardous safety issues, we consider it
necessary to replace a chain once 2 percent elongation has occurred.
Measuring Procedure
Using a chain wear gauge, measure the chain’s elongation for the chain section that travels over the chain sprocket /
guide sprocket.
If a wear gauge is not available, then compare the lengths of a used and a new chain. First, measure the distance
covered by 33 links on the used chain. Secondly with the new chain, measure the 34 link distance. Lastly, compare
the two measurements. When 33 links of the older, worn chain span the same distance as 34 new links, the chain has
stretched 3 percent. The chain needs to be replaced.
A 2 percent elongation can be measured comparing 50 worn links with 51 new links using the above procedure.
