The oil must have sufficient body to provide adequate sealing effect between working parts of pumps, valving, ... The viscosity index (V.I.) of hydraulic oil should not be less than 90 for this type of service. ... In addition, continuing filtration is required to remove sludge and products of wear and corrosion, throughout the life of the system. ... inlet vacuum conditions exceeding the recommended maximum 5 inches of mercury, and will reduce the life expectancy of the hydraulic equipment .
|Title||:||Operator's, Organizational, Direct Support, and General Support Maintenance Manual for Roller, Vibratory, Self-propelled, High Impact, Single Smooth Drum (CCE) Tampo Model RS-28 (NSN 3895-01-012-8875).|