1. Basic Part Information

1. Original Part Number: 2300000498
2. Alternative Interchangeable Part: 2390004904 (Epiroc underground mining vehicle cab washer pump)
3. Full English Name: Windshield Washer Pump / Cab Washer Motor
4. Chinese Name: Cab Windshield Washer Pump, Windshield Washer Motor
5. Application: For underground loaders, drill jumbos and surface drill rig cabs, pressurizes and delivers windshield washer fluid for window cleaning

2. Core Electrical Specifications

• Rated Operating Voltage: 24 V DC (standard onboard voltage for all Epiroc mining equipment)
• Motor Type: DC brushed miniature diaphragm pump
• Standard Operating Current: 1.8–2.5 A
• Ingress Protection Class: IP54 (dust-proof, resistant to water spray inside cabs)
• Connector: 2-pin straight waterproof OEM connector, plug-and-play with original wiring harness without modification
• Operating Ambient Temperature Range: -30℃ ~ +70℃, suitable for extreme high/low temperature mining conditions

3. Fluid Delivery Performance

1. Pump Structure: Single lateral fluid outlet for direct connection to Ø8 mm flexible hose
2. Rated Flow Rate: 120–150 mL/min
3. Output Pressure: 0.7–1.0 bar, sufficient pressure for long-distance fluid delivery inside cab piping
4. Compatible Media: Standard windshield washer fluid, antifreeze washer water; hydraulic oil and diesel fuel are prohibited
5. Priming Method: Bottom-mounted with rubber sealing gasket, self-priming design, perfectly fits OEM washer reservoir mounting depth

4. Overall Dimensions & Installation Details

• Material: Flame-retardant PA66 plastic housing + EPDM anti-aging sealing grommet
• Mounting Method: Push-fit installation at the bottom of washer tank, sealed against leakage via rubber gasket
• Outlet Port: Horizontal straight spout compatible with Ø8 mm rubber hose
• Net Weight: 0.13 kg per unit
• Structural Feature: Integrated vertical assembly with electrical plug on top, inlet base at bottom and side outlet nozzle

5. Compatible Epiroc Equipment Models

1. Underground Scooptrams: ST2D, ST3.5, ST5, ST7, ST10 series
2. Development Drill Jumbos: Boomer S2, S1C, M2C, 281
3. Surface Drill Rigs: FlexiROC / PowerROC D40, D45, D50, D55, D65
4. Underground Mining Trucks: Minetruck MT2010, MT42, MT65

6. Operating Characteristics & Spare Part Features

1. Reinforced dustproof and waterproof design for mining use, resistant to underground dust, moisture and mud contamination
2. Heavy-duty wear-resistant diaphragm formula; service life 2–3 times longer than standard automotive pumps for frequent mining cleaning cycles
3. Common failure symptoms: No fluid discharge, silent motor operation, fluid leakage (caused by aged rubber grommet)
4. Interchangeability Note: 2300000498 and 2390004904 share identical structure, electrical parameters and mounting dimensions; part codes differ only by production batch