In HC95 Hydraulic Rock Drill (or Hydraulic Drifter) systems—where high pressure (1500+ psi) and harsh mining environments (dust, moisture) are common—the Seals package 101037824 acts as a “critical protective barrier” for the hydraulic circuit. It includes a full set of precision seals (e.g., lip seals, O-rings, backup rings) designed to fit key components like the cylinder, piston rod, and valve connections, ensuring hydraulic oil stays contained and external contaminants are kept out. With over a decade in mining equipment maintenance, I’ve seen generic seal packages fail prematurely: their low-quality rubber hardens or cracks in 200-300 hours, leading to oil leaks that waste costly fluid, corrode metal parts, and even cause valve jamming. These issues force unplanned downtime (2-3 days per incident) and cost mines $3,000+ in repairs—losses that disrupt production.