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Sullair 375H - User Manual

Sullair 375H
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OPERATOR’S MANUAL AND PARTS LIST
Po r t a b l e ai r Co m P r e s s o r
300HH, 375, 375H, 375HH, 425
a n d 425H
John Deere Standard and Aftercooled and Filtered
PART NUMBER:
02250169-727 R02
©
SULLAIR CORPORATION
The information in this document
is correct at the time of printing for
portable compressor serial number
200803170000
and all subsequent serial numbers.
KEEP FOR
FUTURE
REFERENCE

Table of Contents

Other manuals for Sullair 375H

Questions and Answers

  • G
    gmasseySep 2, 2025
    What does SSAM flash code three mean on my Sullair Air Compressor?
    • W
      wendykelleySep 2, 2025
      SSAM flash code three on your Sullair Air Compressor indicates a potential issue with the engine oil pressure switch. You should: * Check the wiring connection to the switch and tighten it if necessary. * Install a gauge in parallel with the switch. Replace the switch if the pressure exceeds 15 psig and stays open.
  • T
    tylerweeksAug 31, 2025
    How to troubleshoot SSAM flash code two on a Sullair Air Compressor?
    • M
      Matthew MontesAug 31, 2025
      When your Sullair Air Compressor shows SSAM flash code two, this usually points to a problem with the engine coolant temperature. Here's how to troubleshoot: * Check the wiring connection to the engine coolant temperature switch and tighten it if necessary. * Check the switch continuity to ground and replace if necessary. * Ensure adequate cooling airflow by cleaning the cooler and verifying proper ventilation. * Inspect the fan belt; tighten or replace if loose or broken. * Check the engine coolant level and fill with the correct water/glycol mixture if low. * Change the water pump if it's faulty. * Replace the engine thermostat element if it's defective.
  • J
    John JonesAug 30, 2025
    What to do if my Sullair Air Compressor shows SSAM flash code one?
    • E
      Erin ColemanAug 30, 2025
      If your Sullair Air Compressor displays SSAM flash code one, it indicates a potential issue with the compressor temperature. Here's what you should do: * Check the wiring connection to the compressor temperature switch and tighten it if it's loose. * Check the switch continuity to ground and replace it if necessary. * Ensure the receiver tank fluid level is adequate and add fluid if needed. * Inspect the fan belt for looseness or breakage, tightening or replacing it as required. * Address insufficient cooling airflow by cleaning the fluid cooler core and ensuring proper ventilation. * Change the fluid filter element if it's clogged. * Consider changing the fluid thermostat element if it's faulty. * If the fluid cooler tube is plugged internally, replace the cooler.
  • J
    Jeffrey MurphyAug 28, 2025
    What causes improper unloading with excessive pressure build-up in Sullair 375H Air Compressor?
    • J
      John SwansonAug 28, 2025
      Improper unloading with excessive pressure build-up in your Sullair Air Compressor can result from: * A pressure regulating valve set too high; readjust it. * A control system leak causing loss of pressure signal; check control lines. * A defective pressure regulating valve; repair the valve (kit available). * An inlet valve jammed; free or replace the valve. * A restriction in the control system; check all control lines and components for ice or other contaminants. * A defective pressure relief valve that opens when the pressure is too low; replace the pressure relief valve. * A defective pressure regulator; check the diaphragm and replace it with a kit if necessary.
  • D
    Dalton ElliottAug 27, 2025
    Why is my Sullair 375H Air Compressor not achieving full discharge pressure?
    • J
      Jacob KelleyAug 27, 2025
      If your Sullair air compressor isn't reaching full discharge pressure, it could be due to: * The run/start valve not being in the run position (for compressors with idle warm-up controls, switch the valve to RUN). * Excessive air demand (check service lines for leaks or open valves). * A dirty air filter (check the filter and change the element if required). * A defective pressure regulator (check the diaphragm and replace with a kit if necessary). * A defective idle warm-up control (replace the control).
  • S
    Stephanie ThomasAug 25, 2025
    What does SSAM flash code three flashes mean on a Sullair Air Compressor?
    • P
      piercesamuelAug 25, 2025
      If your Sullair Air Compressor shows SSAM flash code three flashes, it indicates the engine oil pressure switch is open. Check the wiring connection to the switch and tighten if necessary. Install gauge in parallel with the switch. Replace the switch if the pressure exceeds 15 psig and stays open. If the pressure is less than 15 psig, refer to the Engine Operator’s Manual.
  • R
    Richard FrancisAug 22, 2025
    What does SSAM flash code one flash mean on a Sullair 375H Air Compressor?
    • B
      blackveronicaAug 23, 2025
      If your Sullair Air Compressor displays SSAM flash code one flash, it means the compressor temperature switch is open. Check the wiring connection to the switch and tighten it if loose. Also, check the switch continuity to ground and replace if necessary. If the compressor feels hot refer to COMPRESSOR OVERHEATING trouble shooting procedure.

Summary

Section 1: Safety

1.1 General Safety Precautions

General safety guidelines for operating and maintaining Sullair compressors.

1.2 Towing and Preparing to Tow

Detailed procedures and warnings for safely towing the air compressor.

1.4 Fire and Explosion Hazards

Precautions to prevent fire and explosion risks associated with the compressor.

1.5 Moving Parts Safety

Warnings and precautions regarding moving components of the compressor.

1.7 Toxic and Irritating Substances

Precautions for handling toxic materials and compressed air safety.

1.8 Electrical Shock Hazards

Safety guidelines to prevent electrical shock when working with the compressor.

1.9 Lifting Procedures

Safe practices for lifting and rigging the compressor unit.

1.11 Jump Starting Procedures

Step-by-step instructions for safely jump-starting the compressor.

1.12 Implementation of Lockout;Tagout

Procedures for safely controlling energy sources during maintenance.

Section 2: Description

2.3 Sullair Compressor Unit Functional Description

Functional description of the single-stage, positive displacement rotary screw compressor.

2.4 Compressor Cooling and Lubrication System

Explanation of the system that maintains compressor temperature and lubrication.

2.5 Compressor Discharge System

Description of the receiver tank's functions and air/fluid separation.

2.6 Capacity Control System

How the control system regulates air intake based on demand.

2.8 Instrument Panel Group

Overview of controls and indicators on the compressor's instrument panel.

Engine Shutdown Codes

Explanation of codes displayed by the compressor shutdown system.

2.13 Listing of Engine Diagnostic Codes (DTCS)

List of engine diagnostic trouble codes and their corrective actions.

2.11 Compressor Shutdown & Warning System

Description of the system that monitors and manages compressor shutdowns.

Section 4: General Operation

4.3 Initial Startup;Shutdown Procedure

Step-by-step guide for starting and shutting down the compressor for the first time.

4.4 Restart Procedure

Instructions for restarting the compressor after initial use.

Section 5: Maintenance

5.7 Maintenance Every 1500 Hours

Major service tasks to be performed every 1500 operating hours.

5.8 Part Replacement and Adjustment Procedures

Detailed procedures for replacing key compressor components.

5.9 Trouble Shooting

Guide to diagnosing and resolving common compressor symptoms and issues.

Section 6: Noise Control

6.2 Tampering with the Noise Control System

Prohibitions and acts considered tampering with noise control systems.

Section 7: Illustrations and Parts List

7.2 Recommended Spare Parts List

A list of recommended spare parts with part numbers and quantities.

Sullair 375H Specifications

General IconGeneral
Free Air Delivery375 cfm
Pressure150 psi
Model375H
Air Delivery375 cfm
Operating Pressure150 psi
Sound Level76 dBA
TypeRotary Screw

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