Home › Repair times › Alkota › 420X4

Alkota 420X4 repair times and service schedule

Alkota 420X4: 138 bar · 13.2 l/min · hot water, electric mobile / wheeled pressure washer. Below are the recommended service intervals and guide labour times. The annual service takes about 2 h 30 min.

US-built; figures converted from psi and US gpm.

Specifications

TypeHot water, electric
FormatMobile / wheeled
Pressure138 bar
Flow rate13.2 L/min (792 L/h)
HeatingOil / diesel burner
StatusCurrent model
Model code420X4

Service schedule and repair times

Every 6 months

OperationGuide timeHours
Burner Fuel Filter Replacement10 min0.17 h
Burner Fuel Nozzle Replacement20 min0.33 h
Heating Coil De-scale1 h1 h
6-Month Intermediate Service1 h 30 min1.5 h

Every 12 months

OperationGuide timeHours
Anti-scale Dosing System Service20 min0.33 h
Burner Electrode Replacement (pair)20 min0.33 h
Combustion Analysis30 min0.5 h
Annual Full Service2 h 30 min2.5 h

Every 24 months

OperationGuide timeHours
Photocell / Flame Sensor Replacement15 min0.25 h
2-Year Major Overhaul4 h4 h

Repairs (as required)

OperationGuide timeHours
Pressure Switch ReplacementMembers
High-Pressure Hose ReplacementMembers
Unloader Valve ReplacementMembers
Ignition Transformer ReplacementMembers
Fuel Pump Replacement (burner)Members
Flow Switch ReplacementMembers
Thermostat ReplacementMembers
Check Valve Replacement (set)Members
Diagnostic — Fault FindingMembers
Control Board / PCB ReplacementMembers
Pump Seal Kit ReplacementMembers
Burner Motor ReplacementMembers
Pump Rebuild (full)Members
Heating Coil ReplacementMembers

Guide times are for a competent technician with the correct parts and tools, and exclude travel. Always follow the manufacturer's service documentation. Specifications: manufacturer data.

See every repair time for the Alkota 420X4

PressureBook members get the full repair-time schedule, allocated times, parts lists and one-click quotes that fill in labour from these times. Try it free for 14 days, no card needed.

Start free trial

Other Alkota machines

Alkota 216AX4110 bar · 7.6 L/min · Hot water, electricAlkota 311AX476 bar · 11.4 L/min · Hot water, electricAlkota 320AX4138 bar · 11.4 L/min · Hot water, electricAlkota 210J103 bar · 7.6 L/min · Cold water, petrolAlkota 216BD110 bar · 7.6 L/min · Cold water, electricAlkota 325CSH172 bar · 11.4 L/min · Cold water, electricAlkota 420B138 bar · 13.6 L/min · Cold water, electricAlkota 420S138 bar · 14 L/min · Cold water, electric