
For precise troubleshooting, start by locating the pressure regulator assembly–typically marked near the fluid inlet. Check the O-ring seals for wear; replacements must match the original dimensions (e.g., 0.5 mm cross-section for most models). If the nozzle cluster shows uneven distribution, disassemble the distribution head and verify the diaphragm valves; misalignment here causes 40% of calibration errors.







