2006 New Holland LS180.B/LS185.B/LS190.B Repair Manual (P/N 604_13_552_01)

• Official New Holland workshop publication form 604_13_552_01 (published March 24, 2006) for the B-series skid steer loaders
• Covers the 2006 New Holland LS180.B, LS185.B, and LS190.B models, including specific high-flow hydraulic system and powertrain configurations
• Delivers detailed exploded-view mechanical assembly diagrams and complete hydraulic circuit schematics
• Acts as the primary shop reference, documenting all hydraulic power, powertrain components, and structural assembly specifications

System Breakdown and Technical Documentation

When diagnosing the primary, secondary, or high-flow hydraulic systems on these B-series loaders, having accurate baseline data is critical. This service manual structures its content by functional system, outlining exact specifications for hydrostatic pumps, control valves, and lift boom operations. Mechanics will find the necessary metrics on hydraulic circuit pressures, relief valve flow rates, and reservoir capacity requirements. Beyond fluid power, dedicated chapters map out the powertrain coupling, axle configurations, and electrical power management. The documentation also covers structural maintenance, user controls, and cabin environmental systems like heating and air conditioning. Because heavy machinery maintenance involves inherent risks, particularly with high-pressure fluid systems, always review prescribed safety protocols before performing any shop work.

Specification Highlights and Data Tables

Hardware torque is comprehensively covered. The manual provides extensive tables for decimal and metric fasteners, pinning down specific values for grade 8.8, 10.9, and 12.9 bolts. Steel hydraulic fitting specifications are clearly documented, detailing torque requirements for 37-degree flare fittings and straight threads equipped with O-rings. Critical baseline data includes the main relief pressure, set at 20,498 kPa (205 bar) at 2300 rpm, while the LS190.B hydraulic pump displacement measures 36.05 cc. The total hydraulic system capacity is 57 liters (14.8 US gallons). Please note that the data highlighted in this overview serves as a quick reference. The original OEM publication remains the authoritative source for all technical specifications and hands-on maintenance procedures.