Manual and automatic transmission fluids are affected by thermal conditions, gear loads and traffic variables. Harsh operating conditions can create significant challenges for transmission and gearbox fluids. Regular analysis of transmission fluids will determine wear debris, contaminants and moisture. Heavy loads and high stress on construction equipment will have an effect on the transmission fluid thereby causing a thermal breakdown.
Under high load conditions, the breakdown or failure of transmission fluid will cause oxidation that produces a sludge or varnish in the gearbox. Left unchecked, these conditions will ultimately have an effect on the mechanical systems affecting performance and eventually cause gear failure.
Clark Labs has specialty gearbox testing services to measure gear wear performance, friction, oxidation and wear resistance. Our FZG Gear Lubricant Test evaluates anti-wear characteristics and load carrying capacities of lubricants. The FZG gear test rig simulates a misaligned gear set operating in a bath of lubricant subjected to 12 increasing torque load stages. Tooth-wear is examined between stages for scuffing or scoring to assess the fluids performance.
Standard Test Packages Includes:
ASTM D445 - Viscosity
ASTM D974, D664 - Acid Number
ASTM D4377 - Karl Fischer
ISO 4406 - Particle Count
PQ 90 - Wear Index
Wear Elements & Containments (Spec, XRF, ICP)
Premium Add: Ferrography
The harsh conditions of construction job sites often have a significant effect construction equipment requiring consistent maintenance problems and potential downtime. A Predicative Maintenance Programs (PMP) for heavy construction equipment is essential for maximizing equipment reliability and optimizing equipment life cycles.
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