302022-3-60k-SMP-Pump-Maintenance-Kits-302022-4-40K.1941.3-1
Product Name: 60K & 40K SMP Pump Maintenance Kits (Part No. 302022-3 for 60K / 302022-4 for 40K)
Description:
The 60K & 40K SMP Pump Maintenance Kits are specialized service kits designed specifically for maintaining the intensifier pump on waterjet cutting systems . The kit variant 302022-3 is intended for pumps rated at 60,000 PSI (approximately 4,137 bar), while variant 302022-4 is intended for pumps rated at 40,000 PSI (approximately 2,758 bar) .
Each kit serves as a preventative maintenance solution, containing the essential wear components needed to perform a major service or comprehensive overhaul of the pump's high-pressure wet-end section . Unlike basic seal kits, the "SMP" designation suggests these kits are for Series or Standard Maintenance Procedures, providing a complete component set for a full servicing session.
By replacing worn internal parts with these kits during scheduled intervals, users can restore factory-level performance, prevent sudden pressure drops, avoid costly unplanned downtime, and extend the operational life of the hydraulic end and high-pressure cylinder components . These kits are part of the Advantage or OEM-equivalent series for waterjet intensifiers.
Applications:
Complete overhaul and preventative maintenance for 60,000 PSI (302022-3) and 40,000 PSI (302022-4) waterjet intensifier pumps
Restores pump efficiency when symptoms such as pressure drop, slow response, or external leakage occur
Suitable for high-cycle cutting operations requiring reliable pressure stability
Compatible with Advantage series and other standard waterjet intensifier systems
Features:
Pressure-Specific Engineering: Dedicated kits designed strictly for the hydraulic demands of either 40K or 60K systems
Comprehensive Component Set: Includes all necessary high-pressure seals, rod seals, O-rings, backup rings, and dynamic seals for a major rebuild
OEM Specification: Manufactured to meet original equipment tolerances for a precise, reliable fit
Wear Resistance: Components are constructed from high-grade polyurethane and elastomers designed to withstand extreme abrasion and chemical exposure
Complete Refurbishment: The kit is intended for an extensive "tear-down" procedure rather than just a minor seal swap
Maintenance:
When to Replace
Performance Loss: A consistent drop in cutting pressure or slower intensifier cycling indicates internal component wear
External Leakage: Water or hydraulic oil weeping from the cylinder head or high-pressure connections signals seal failure
Fluid Contamination: Milky or discolored hydraulic oil indicates water intrusion past the dynamic seals
Scheduled Interval: It is recommended to replace these major wear components at the hour intervals specified in your pump service manual for major maintenance (typically based on total running hours)
Service Context
These major maintenance kits are often used in conjunction with manufacturer service manuals to perform a complete pump rebuild. When replacing the complete set of seals and wear components, it is also critical to inspect the reciprocating ceramic plunger and high-pressure cylinder bore for scoring or pitting, as surface damage on these parts will rapidly destroy new seals .
Replacement Guidelines
Full Depressurization (Critical): Before any maintenance, fully depressurize the waterjet system (high-pressure water, hydraulic system, and air supply) and follow lockout/tagout procedures
Complete Kit Installation: When performing a major pump overhaul, replace all components in the kit simultaneously. Do not mix new components with old ones
Clean Room Conditions: Perform the rebuild in a designated clean area to prevent contamination of new seals with abrasive particles
Proper Lubrication: Apply manufacturer-recommended high-pressure grease to all seals, backup rings, and O-rings during installation to prevent dry start-up damage
Torque Compliance: Tighten all retaining components (cylinder nuts, head bolts) to the specific torque values listed in the equipment service manual
Surface Inspection: Thoroughly inspect the plunger and cylinder bore for wear before installing new kit components








