Dolly Kit for AR 1887 Packing 20mm XRA 5 GPM Pumps – OEM Replacement Part
Part Number: 7427
Category: Pressure Washer Parts → Pump Parts → Seal Kits
Type: AR (Annovi Reverberi) KIT 1887 Packing Kit
The Dolly Kit for AR 1887 Packing 20mm XRA 5 GPM Pumps (Part #7427) is a genuine OEM replacement seal packing kit designed to restore sealing performance and maintain reliable operation in compatible Annovi Reverberi (AR) XRA 5 GPM triplex plunger pumps. This kit includes 20mm seal packing components (3x3 pieces) required for servicing worn seals, preventing leaks, maintaining operating pressure, and extending pump service life.
Key Features & Benefits
- Genuine AR (Annovi Reverberi) OEM replacement kit
- Designed for AR XRA 5 GPM pumps
- Includes 20mm seal packing components
- Kit contains seal packing components (3x3 pieces)
- Helps restore pump sealing performance
- Reduces internal and external leakage
- Maintains operating pressure and flow
- Supports efficient pump operation
- OEM-quality materials and construction
- Ideal for preventative maintenance and rebuilds
- Direct replacement design
- Helps extend pump service life
Technical Specifications
Part Number: 7427
Manufacturer: AR (Annovi Reverberi)
Manufacturer Model Number: KIT 1887
Product Description: Kit Dolly A1887 Seal Packing Ø20 (3x3 pc)
Product Type: Packing Seal Kit
Seal Size: 20mm
Kit Contents: Seal Packing Components (3x3 Pieces)
Pump Compatibility: AR XRA 5 GPM Series Pumps
OEM Replacement: Yes
Application: Pump Seal Maintenance and Repair
Common Applications
- AR XRA 5 GPM pressure washer pumps
- Commercial pressure washing equipment
- Industrial cleaning systems
- Agricultural spraying equipment
- Fleet washing systems
- Water transfer equipment
- Wash-down systems
- Pump rebuild and maintenance services
Performance Benefits
- Restores proper sealing performance
- Helps maintain pump pressure output
- Reduces water bypass and leakage
- Supports efficient pump operation
- Improves pump reliability and longevity
- Helps prevent premature pump wear
- Maintains consistent cleaning performance
- Extends pump service life
Signs Seal Packings May Need Replacement
Replace the packing seals if you notice:
- Water leaking from the pump
- Reduced operating pressure
- Loss of pump efficiency
- Internal water bypass
- Excessive packing wear
- Visible seal damage
- Inconsistent pressure output
- Increased maintenance requirements
Installation Notes
- Shut down equipment and relieve all system pressure.
- Disconnect power and water supply.
- Disassemble the pump according to AR service procedures.
- Remove worn packing seals and inspect plungers for wear or damage.
- Clean seal cavities thoroughly.
- Install new OEM seal packing components from the kit.
- Reassemble the pump according to manufacturer specifications.
- Test operation and verify proper pressure and leak-free performance.
Important: Always consult the AR pump service manual and verify compatibility with your specific XRA pump model before installation.
Maintenance Recommendations
- Inspect seal packings during routine pump maintenance.
- Replace worn seals promptly.
- Maintain clean water filtration systems.
- Inspect plungers for scoring or wear during service.
- Follow manufacturer-recommended maintenance intervals.
- Monitor pump performance regularly for early signs of seal wear.
