Ingersoll Rand literature · Installation & maintenance manual
Ingersoll Rand ST400-C339 Solenoid Valve Installation and Maintenance Manual (04666358)
Installation and maintenance manual for the Ingersoll Rand ST400-C339 solenoid valve used to switch main air to an air starter. It covers safety warnings, pre-installation checks, the valve's manual override, inlet check port and test points, flange mounting to the air tank, and the electrical and pressure specifications. The maintenance section lists three tune-up kits and gives disassembly and reassembly steps with fastener torques.
Document at a Glance
- Publisher
- Ingersoll Rand
- Document type
- Installation & maintenance manual
- Form / number
- No. 04666358, Edition 2, February 1999
- Language
- English
- Pages
- 8
- File
- PDF, 308 KB
What's in This Document
| Section | Pages | What it covers |
|---|---|---|
| Important safety information | 1 | Warnings about bleeding off pressure, using the manual override only in neutral, and limits on in-place disassembly. |
| Warning Label Identification | 2 | Explains the warning labels covering eye and hearing protection and air supply shut-off during service. |
| Pre-Installation | 3 | Checks for clean pipework, service clearance, pipe alignment, and mounting the solenoid vertically above the line. |
| Features | 3 | Describes the manual override, the inlet check valve port for charging the reservoir, and two pressure test points. |
| Installation of the Starter Relay Valve | 3 | Mounting the ST400-C339 to the tank with the ST400-16 flange assembly and torquing the flange bolts. |
| Tune-up Kits | 3 | Lists the coil, cover and bladder tune-up kits offered for the valve. |
| Disassembly and Assembly of the Tune-up Kit | 3 | Step-by-step removal and refit of bonnet, bladder, spring, non-return parts and coil with torque values. |
| ST400-C339 Solenoid Valve Dimensions and Specifications | 4 | Dimension drawing (TPE_1033) plus voltage, pressure, media and temperature ratings. |
| Maintenance Section: tune-up kit illustration | 5 | Exploded drawing (TPE_1034) showing which parts belong to each tune-up kit. |
Key Specifications and Data
| Item | Value | Page |
|---|---|---|
| Voltage | 12 / 24 VDC | 4 |
| Maximum operating pressure | 150 psig | 4 |
| Proof pressure | 225 psig | 4 |
| Burst pressure | 750 psig | 4 |
| Media | Air, inert gases, natural gas | 4 |
| Operating temperature | -20 °F to 120 °F | 4 |
| Flange bolt torque (four bolts) | 35-45 ft-lb (47-61 Nm) | 3 |
| Valve bonnet bolt torque (four M8) | 16 ft-lb (24 Nm) | 3 |
| Non-return end cap torque | 16 ft-lb (24 Nm) | 3 |
| Coil retaining M8 nut torque | 15 ft-lb (22 Nm) | 3 |
| Test points | Two 1/4 in - 18 NPT | 3 |
| Mounting orientation | Solenoid vertical, above the pipeline (unless otherwise stated) | 3 |
Tune-up kits for the ST400-C339 solenoid valve
| Kit | Part number |
|---|---|
| Coil tune-up kit | ST400-K1051A |
| Cover tune-up kit | ST400-K619A |
| Bladder tune-up kit | ST400-K618A |
Models Covered
Model codes as printed in the document. Linked codes go to the matching Ingersoll Rand starter in our catalog.
ST400-C339
Service Kits and Part Numbers
| Part number | Description | Page |
|---|---|---|
| ST400-K1051A | Coil Tune-up Kit | 3 |
| ST400-K619A | Cover Tune-up Kit | 3 |
| ST400-K618A | Bladder Tune-up Kit | 3 |
| ST400-16 | Flange Assembly for mounting the valve to the tank | 3 |
| ST400-950P | Packard connector for the electrical supply | 3 |
Confirm part numbers against the serial and model plate of your starter. For any part not listed in our catalog, send us the number.
Mounting the ST400-C339 valve to the air tank (Overview)
- Fit the O-ring supplied with the flange fitting onto the valve housing.
- Mount the valve to the tank with the ST400-16 flange assembly, with the air flow arrow pointing toward the starter.
- Tighten the four flange bolts to 35-45 ft-lb (47-61 Nm).
An outline only. Follow the full procedure, torque values and safety warnings in the document (from page 3).
Fitting a tune-up kit (Overview)
- With the coil electrically isolated, unplug the Packard connector and remove the four M8 bolts and the valve bonnet.
- Take out the old bladder, spring, non-return end cap assembly and its O-ring, noting how each part was oriented.
- Install the new bladder and spring in the same orientation as the parts removed.
- Refit the bonnet without changing its orientation and tighten the four bolts evenly to 16 ft-lb (24 Nm).
- Refit the non-return spring, assembly and O-ring, then tighten the end cap to 16 ft-lb (24 Nm).
- Reassemble coil and label, tighten the M8 nut to 15 ft-lb (22 Nm), reconnect the ST400-950P connector and check for leaks.
An outline only. Follow the full procedure, torque values and safety warnings in the document (from page 3).
Frequently Asked Questions
What voltage is the ST400-C339 solenoid valve?
The specification lists 12 / 24 VDC.
What pressure is the ST400-C339 solenoid valve rated for?
Maximum operating pressure is 150 psig, with a proof pressure of 225 psig and a burst pressure of 750 psig.
Can the ST400-C339 valve be used with natural gas?
Yes. The listed media are air, inert gases and natural gas, with an operating range of -20 °F to 120 °F.
Which tune-up kits fit the ST400-C339 solenoid valve?
Three kits are listed: ST400-K1051A coil kit, ST400-K619A cover kit and ST400-K618A bladder kit.
Can the ST400-C339 be opened without electrical power?
Yes. It has a manual override: removing a plug gives access to a plunger that opens the valve when pressed. The manual includes a warning about vehicle position before using it.
Need the parts or the starter in this document? Send the model number from your starter's plate and we will confirm the right Ingersoll Rand part or replacement.
Source: Ingersoll Rand, No. 04666358, Edition 2, February 1999. Summary and tables prepared by AirStartersDirect.com, an authorized Ingersoll Rand air starter distributor; the PDF is the authoritative version. Page numbers refer to the PDF file. Reviewed October 2026.
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