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Graco SaniForce - User Manual

Graco SaniForce
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Operation
SaniForce® San
itary Tote
Unloader (STU
)
3A5416C
EN
For use with f
ood grade bulk supply of medium to high viscosity product. For professional use only. Only
select models are approved for use in explosive atmospheres or hazardous locations. See Configuration
Matrix on page 6 for more information.
Important
Safety Instructions
Read all wa
rnings and instructions in this manual and all related
manuals. Save all instructions.
For Maximum Working Air and Fluid
Pressures, see Models on page 8.
P
ROVEN QUALITY. LEADING TECHNOLOGY.

Table of Contents

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Questions and Answers

  • H
    hardingerinJul 27, 2025
    What to do if Graco SaniForce Water Pump will not prime properly or only pumps air?
    • M
      Michele DelacruzJul 27, 2025
      If your Graco Water Pump won't prime or only pumps air, here's what you can check: * Ensure the air valve is open and the air line isn't clogged; if it is, open and clear it. * Increase the air pressure if it's not sufficient. * If the hand valve is closed or clogged, open and clear it. If the hand valve is dirty, worn, or damaged, clean or service it. * A worn or damaged piston may also be the cause. In this case, replace it.
  • A
    Aaron FisherAug 1, 2025
    Why will my Graco Water Pump ram not raise or lower?
    • B
      Brian WrightAug 1, 2025
      If the ram on your Graco Water Pump won't raise or lower, consider these potential causes and solutions: * Make sure the air valve isn't closed or the air line clogged; open or clear them if necessary. * Increase the ram air pressure if it's insufficient. * Replace the piston if it's worn or damaged. * Ensure the hand valve is open and clear, not closed or clogged.
  • C
    Christopher PierceAug 6, 2025
    What to do if air assist valve will not hold drum down or push plate up on Graco SaniForce Water Pump?
    • M
      Miguel JonesAug 7, 2025
      If the air assist valve on your Graco Water Pump won't hold the drum down or push the plate up, try the following: * Check for a closed air valve or clogged air line, and open or clear as needed. * Ensure sufficient air pressure by increasing it. * Clean any clogs in the valve passage.
  • B
    butlerstevenAug 11, 2025
    How to adjust ram speed on Graco SaniForce Water Pump if it raises and lowers too fast?
    • J
      Juan PorterAug 12, 2025
      If the ram on your Graco Water Pump raises and lowers too quickly: * Decrease the air pressure if it is too high. * Adjust the travel rate by moving the director valve handle further open for faster travel or less open for slower travel.
  • A
    amy97Aug 16, 2025
    What to do if fluid squeezes past ram plate wipers on Graco SaniForce Water Pump?
    • R
      rcruzAug 16, 2025
      If fluid is squeezing past the ram plate wipers on your Graco Water Pump: * Decrease the ram air pressure if it's too high. * Replace the wipers if they are worn or damaged.
  • M
    Melissa SosaAug 21, 2025
    Why is air leaking around the cylinder rod on my Graco Water Pump?
    • R
      Roberto WeberAug 21, 2025
      If air is leaking around the cylinder rod of your Graco Water Pump, the rod seal is likely worn and needs to be replaced.

Summary

Operation

Important Safety Instructions

Provides crucial safety warnings and instructions for operating the equipment.

Safety Warnings

Electric Shock and Fire Hazards

Details warnings related to electric shock, fire, and explosion risks during operation.

Skin Injection and Moving Parts Hazards

Highlights risks of skin injection from high-pressure fluid and injury from moving parts.

Equipment Misuse and Toxic Hazard Warnings

Covers dangers of equipment misuse, toxic fluids/fumes, and PPE recommendations.

Configuration Matrix

Configuration Matrix Overview

Installation Preparation

Uncrating and Initial Setup

Uncrating Equipment Procedure

Installation Site Requirements

Selecting Installation Location

Moving Frame to Location

Installation Procedures

Grounding Requirements

Explains the importance and procedure for grounding the STU to prevent hazards.

Installation Connections

AC Power Connection

Safety Latch System

Safety Latch Lockout and Extension

Procedures for locking the safety latch and installing its extension rod.

Engaging and Disengaging Safety Latch

Step-by-step guides for operating the safety latch mechanism.

Controls and Connections

Pneumatic Control Panel Overview

Details the components and layout of the pneumatic control panel.

Electro-Pneumatic Control Systems

Electro-Pneumatic Control Panel Overview

Details the components and operation of the electro-pneumatic control panel.

System Operation Procedures

Pressure Relief Procedure

Step-by-step instructions to safely relieve system pressure before maintenance or shutdown.

Tote Handling and Loading

Loading the Tote into the System

Detailed steps for safely loading a tote into the STU.

Pump and Tote Management

Starting and Adjusting the Pump

Instructions for starting and adjusting pump operation for optimal performance.

Changing the Tote

Steps involved in safely changing the tote after material has been emptied.

System Shutdown and Storage

Emergency Stop and Pump Shutdown

Explains the emergency stop function and procedures for safe pump shutdown.

System Shutdown and Flushing;Storage

Maintenance Procedures

Lubrication and Cleaning Tasks

Details lubrication requirements and procedures for cleaning the ram plate and pump lower.

Electro-pneumatic Control Interface

Control Panel Display and Input Methods

Automatic Operation Mode

Automatic Screen Interface

Automatic Operation Notes

Manual Operation Mode

Manual Screen Interface

Recipe Management

Recipe Screens Overview

Material Recipes

Material Recipe Screen Management

Material Recipe Editing

Material Recipe Edit Screen Details

Container Recipes

Container Recipe Screen Management

Container Recipe Editing

Container Recipe Edit Screen Details

System Configuration

System Configuration Screen

Pneumatic Control Schematics

Pneumatic Control System Diagram

Electro-Pneumatic Control Schematics

Electro-Pneumatic Wiring Diagram

Illustrates the electrical wiring and connections for the electro-pneumatic control system.

Technical Data and Specifications

STU Technical Specifications

Graco SaniForce Specifications

General IconGeneral
BrandGraco
ModelSaniForce
CategoryWater Pump
LanguageEnglish

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