EN AZ3 HTE2 | AZ3 HTE2 AV | AZ3 HTE2 HVLP EN 5. MAINTENANCE AND INSPECTION CAUTION - Never use spare parts that are not AIRGUNSA originals. - Never damage fluid nozzle tip, fluid needle or air cap holes. - Never immerse the spray gun completely in liquids such as thinner. - Never soak air cap set (1) in cleaning liquid for an extended period,