Equipment Condition Report

[NAVIJET C500E-III HPC]

NAVIJET C500E-III High Pressure Cleaner

Inspection and Functional Test Summary · 9 May 2026

Overview

The NAVIJET C500E-III high-pressure cleaner was inspected to verify the electrical motor condition and determine the cause of pressure failure during operation. Electrical readings confirmed that the motor winding and insulation condition remained acceptable. However, functional testing showed that the unit failed to generate pressure during operation.

General view of NAVIJET C500E-III high-pressure cleaner

Figure 1 – General view of the NAVIJET C500E-III high-pressure cleaner.

Figure 2 – Electrical cabinet inspection and internal wiring arrangement.

Figure 3 – Test instruments connected during electrical inspection.

Figure 4 – Nameplate and pressure gauge assembly.

Figure 5 – Hydraulic pump assembly inspection view.

Figure 6 – Corroded unloader valve and pressure line assembly.

Figure 7 – Maintenance requisition reference for deck department

Bassnet 2.11 CNV-26V-0098 High Pressure Cleaner – Deck Department

Electrical Test Readings

Test Item	Reading	Assessment
Winding Resistance U-V	0.8Ω	Balanced
Winding Resistance U-W	0.8Ω	Balanced
Winding Resistance V-W	0.8Ω	Balanced
Insulation Resistance U-E	4000MΩ	Good
Insulation Resistance V-E	4000MΩ	Good
Insulation Resistance W-E	4000MΩ	Good

Functional Test and Conclusion

After confirming acceptable motor condition, fresh water and power supply were connected to the unit. The motor was operated for approximately three minutes. During the test, the pressure gauge remained at 0 bar with no sign of pressure build-up.

The hydraulic assembly, including the high-pressure pump, unloader valve, and safety release valve, showed heavily external rust and corrosion. Tried to adjust, but no changes in pressure. Based on the inspection and operational test, the hydraulic pump assembly was identified as the defective section requiring repair or replacement of the requested parts.

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