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DeVilbiss SRI PRO series User Manual

DeVilbiss SRI PRO series
48 pages
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Service Bulletin
SB-2-855-B
Replaces SB-2-855-A
Technical Bulletin
SRi Pro range of Gravity Spray Guns
for spot repairs and small areas
AUTOMOTIVE REFINISHING
EN

Table of Contents

Questions and Answers:

DeVilbiss SRI PRO series Specifications

General IconGeneral
MaterialAluminum
Air Inlet1/4 inch NPT
Weight446 g (without cup)
ApplicationAutomotive, Woodworking
TypeHVLP (High Volume Low Pressure)

Summary

EC Declaration of Conformity

Operational Description

Material Compatibility

Important note on material compatibility for spray guns.

Solvent Usage Warning

Safety warning against using specific solvents due to chemical reaction risk.

Construction Features

Key Components

Details of major components like air cap, nozzle, needle, and trigger.

Gun Body and Cup

Description of the gun body material and cup features.

Air Valve and Compatibility

Features of the air valve and gun's application compatibility.

Materials of Construction

Metal Components

Specifies materials for gun body, air cap, and other metal parts.

Seals and Other Parts

Lists materials for seals, gaskets, and trigger.

Specifications & Technical Data

Connections and Pressure

Details air/fluid connections and pressure limits.

Operating Parameters

Lists service temperature and gun weight.

Safety Precautions

Warning Symbols Explained

Explanation of warning, caution, and note symbols for user safety.

Hazard Identification

Details hazards like fire, toxic substances, and explosion risks.

Safe Operating Practices

Guidelines for general safety and preventing cumulative trauma disorders.

Installation

Air Supply Connection

Instruction for connecting the gun to the air supply with gauge recommendation.

Cup Attachment and Flushing

Steps to attach the cup and flush passages before use.

Operation

Preparation Steps

Mixing, straining, filling cup, and setting initial adjustments.

Spraying Technique

Guidance on gun holding, distance, overlap, and speed.

Post-Use Procedure

Safety procedure for turning off air supply when not in use.

Preventive Maintenance & Cleaning

Cleaning Air Cap and Nozzle

Methods for cleaning air cap and nozzle components.

Cleaning Fluid Passages

Procedure for flushing fluid passages with solvent.

General Cleaning Warning

Important warning against submerging the gun in solvents.

Spray Gun Lubrication

Daily Lubrication Points

Key points for daily lubrication of moving parts.

Specific Component Lubrication

Lubrication advice for needle shank, spring, and threads.

Parts Replacement/Maintenance

Air Valve Instructions

Instructions for servicing and replacing the air valve.

Air Valve Servicing

Reasons for Servicing

Identifies reasons like malfunction, leaks, or routine maintenance.

Disassembly Steps

Steps for removing trigger, air valve, spring, and pad.

Cleaning and Reassembly

Instructions for cleaning air valve parts and reassembling.

Air Valve Replacement Indicator

Notes that air leaks may require air valve replacement.

Replacing Air Valve

Reasons for Replacement

Lists air leaks or incorrect operation as reasons for replacement.

Removal Procedure

Steps to remove trigger, air valve, spring, and rear seal.

Installation Procedure

Steps for cleaning bores, installing new seal, spring, and air valve assembly.

Replacing Needle Packing

Initial Disassembly

Steps to remove trigger, knob, spring, and fluid needle.

Packing Nut and Reassembly

Procedures for removing/cleaning packing nut and reassembling.

Final Adjustments and Testing

Setting fluid knob for travel and verifying operation.

Spreader Valve Assembly Replacement/Maintenance

Spreader Valve Replacement

Information on replacing a damaged spreader valve assembly.

Seal Replacement

Note on replacing the internal seal with a rebuild kit.

Replacing Separator Seal

Component Removal

Steps to remove air cap, ring, knob, needle, and nozzle.

Seal Installation and Reassembly

Installing new seal, cleaning parts, and reassembling.

Final Settings and Verification

Setting fluid knob for travel and confirming operation.

Chart 1 - Air Caps

Air Cap Specifications

Details on air cap type, technology, pressure, and airflow.

Handling Note

Important note on handling air cap components during removal.

Chart 2 - Fluid Nozzle Range & Fluid Needle

Fluid Nozzle Part Numbers

List of fluid nozzle computer and part numbers.

Fluid Needle Part Numbers

List of fluid needle computer and part numbers.

Interchangeability Warning

Critical warning about part interchangeability between models.

Troubleshooting Possible Problems in Operation

Pattern Shape Defects

Addresses issues like heavy top/bottom or side patterns.

Pattern Defect Remedies

Provides solutions for specific pattern defects like center heavy or split spray.

Spray Consistency Issues

Troubleshooting jerky or fluttering spray and paint bubbles.

Troubleshooting Possible Problems in Operation (Continued)

Fluid Leakage Issues

Diagnosing leaks from cup lid, packing nut, or gun front.

Spray Pattern Quality

Troubleshooting starved patterns, excessive overspray, and dry spray.

Finish Imperfections

Addressing fluid leaks from cup bottom and paint runs/sags.

Accessories

Air Connections and Valves

Details quick connects and adjusting valves for air systems.

Cups and Respirators

Information on gravity feed cups and safety respirators.

Maintenance and Cleaning Tools

Lists air filters, lubricants, cleaning kits, and tools.

Warranty

Sales and Service Information

Contact details for sales, service, and customer support.

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