Topics and Trends

Part 5: Placements of filters in the system

Posted on January 3rd, 2017

Most owners and operators of hydraulic equipment will not get the opportunity to choose where their filters are placed in a system. Nevertheless, a knowledge of the advantages and disadvantages of various filter placements can allow operators to make better…

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The cost of contaminated oil.

Posted on December 5th, 2016

This is a picture of a balanced relief valve poppet that has a 1/2mm pilot oil hole. If you examine it carefully, you can see that the hole in the center has been blocked by a piece of debris or…

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Part 4: Understanding oil filter specifications and ratings.

Posted on November 29th, 2016

Unscrupulous sellers of filters have been known to use the perceived complexity in the specifications of filters to misrepresent their products to ignorant buyers. However, a basic understanding of the terms and various rating systems can give the operator of…

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Part 3: ISO cleanliness code.

Posted on November 23rd, 2016

Confusion? To a novice, oil cleanliness codes can look very confusing. However, armed with a basic understanding of how the code attempts to represent the cleanliness of fluids and the table to interpret them and any operator can start making…

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Part 2: Contamination in Hydraulic Systems

Posted on November 14th, 2016

Ideally, hydraulic oil should create a lubricating film to keep precision parts separated. To reduce wear, this film should be thick enough to completely fill the clearance between moving parts. The actual thickness of a lubricating film depends on fluid…

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Christmas has come early; this pallet of oil has to go.

Posted on November 10th, 2016

The oil is ISO VG 68 hydraulic oil in 20lt plastic containers. 1 x 20lt = $88.85 ea 3 x 20lt = $84.00 ea 5 x 20lt = $79.50 ea 10 plus x 20lt = $75.00 ea Pallet 48 x…

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Part 1: Oil, the lifeblood of a hydraulic system

Posted on November 8th, 2016

Functions of hydraulic oil: The major function of hydraulic oil is to provide energy transmission through the system. However, hydraulic oil is also responsible for lubrication, cooling, sealing and removing contamination and wear materials. All of these functions need to…

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About oil, the lifeblood of your hydraulic system.

Posted on October 31st, 2016

Experts estimate that more than 50% of hydraulic equipment failure can be attributed to lubrication issues such as incorrect oil, inadequate or incorrect filtration, contamination, additive breakdown, etc. Preventable Failures The above pictures show the components of the hydraulic pumps…

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Compressor on our test bench

Posted on October 18th, 2016

  One of our customers had a pair of compressors from an industrial plant that required overhaul. The equipment owners wanted the compressors pre-run and load test prior to installation in the plant. Our customer negotiated to use our test bench to…

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Water trucks

Posted on September 29th, 2016

  Most truck hydraulic systems consist of a gearbox driven PTO drive powering a gear pump. These systems work fine for a single telescopic cylinder used to lift a tipper bin at the back of a truck.  Its a logical step to…

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