Product Description
DO NOT USE WITH
NATURAL GAS OR OTHER
FLAMMABLE GASES
This product is a non-regulating, pneumatically-operated, relay valve designed to provide control over uid ow to the starter motor in an air
starter-based, internal combustion engine starting system.
General Product Safety Information
Read and understand this manual before operating this product.
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It is your responsibility to make this safety information available to others that will operate this product.
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Failure to observe the following warnings could result in injury.
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Always install, operate, inspect and maintain this product in accordance with all applicable standards and regulations (local, state,
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country, federal, etc.).
Product Safety Information
This Starter Relay Valve is designed by Ingersoll Rand specically for use on Air Starter installations. Any other use may result in injury or
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equipment damage.
Only use this Starter Relay Valve at or below 225 psig (15.5 bar/1550 kPa) maximum pressure, unless otherwise labeled. Higher pressure
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may result in hazardous situations including rupture of the Starter Relay Valve and associated hardware.
To use this Starter Relay Valve at a pressure of 225 psig (15.5 bar/1550 kPa), all associated pipe, hose and ttings must be rated at 225 psig
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or more. Some IR models are sold with lower pressure ratings due to associated piping.
Do not use this Starter Relay Valve with any corrosive gas or with any liquid.
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Except for SRV100, SRV125, SRV150 and SRV150SS, the Starter Relay Valve was designed for use with compressed air only. Only those
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models may be used with natural gas.
Always shut-o the air supply to the Starter Relay Valve, and bleed o any residual pressure, before performing any maintence on the
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Starter Relay Valve.
Never remove the Retaining Ring from the Starter Relay Valve unless all pressure has been bled o. Internal parts will be forcefully ejected
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if Retaining Ring is removed while pressurized.
Always wear eye protection when performing any maintenance on this Starter Relay Valve.
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Do not remove any labels. Replace any damaged label.
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Never use a damaged or malfunctioning Starter Relay Valve.
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Do not modify the Starter Relay Valve.
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Do not use this Starter Relay Valve for purposes other than those recommended.
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Be sure all hoses & ttings are the correct size & are tightly secured.
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Do not use damaged, frayed or deteriorated air hoses & ttings.
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Safety Symbol Identication
Read Manuals Before Operating Product This warning applies to all Starter Relay Valves except SRV100,
SRV125, SRV150 and SRV150SS.
Safety Information - Explanation of Safety Signal Words
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or
property damage.
Indicates information or a company policy that relates directly or indirectly to the safety of personnel or
protection of property.
Product Parts Information
PILOT (ACTIVATION) OPERATION PORT
AIR SUPPLY
TO AIR STARTER MOTOR
TO AIR STARTER CONTROL
VALVE (IF APPLICABLE)
TYPICAL INSTALLATION
The use of other than genuine Ingersoll Rand replacement parts may result in safety hazards, decreased Starter Relay Valve
performance, and increased maintenance, and may invalidate all warranties.
Repairs should be made only by authorized trained personnel. Consult your nearest Ingersoll Rand Authorized Service Center.
Placing the Starter Relay Valve in Service
(Dwg. 45508561)
This Starter Relay Valve is specially designed and manufactured by Ingersoll Rand for use on Starter installations. Install it in
accordance with the following instructions.
Pre-Installation
Clean the air line, O-ring groove and sealing surfaces to be sure they are free of foreign material.
1.
Ensure that enough space is left for removal and service of this valve.
2.
Ensure that the air line is suitably aligned and supported to avoid strained joints.
3.
Do not over tighten the air line connections.
4.
Starter Relay Valves that have a small drain hole above the “OUT” connection (including SRV125T, SRV150T, SRV150T-LT and SRV150SST-LT)
5.
are to be installed with the drain hole down.
Installation of the Starter Relay Valve (threaded connections)
Use a short pipe nipple between the supply line and the Starter Relay Valve. The nipple should be the same size as the inlet of the Starter
1.
Relay Valve.
Apply No. SMB-441 Ingersoll Rand Sealant to the male thread on the nipple, and install the nipple on the supply line. Tighten the
2.
connection so that it is airtight.
Note that one of the tapped inlets on the Starter Relay Valve is marked “IN”. Thread this inlet onto the nipple and tighten the connection so
3.
that it is airtight.
Apply Ingersoll Rand Sealant to the male threads on the air line that goes to the Starter, and thread this line into the tapped outlet on the
4.
Starter Relay Valve that is marked “OUT”. Make certain the connection is airtight.
Attach the hose from the outlet side of a 3-way normally vented Control Valve to the small tapped hole in the top of the Starter Relay Valve.
5.
Use Ingersoll Rand Sealant on the male thread.
Installation of the Starter Relay Valve (ange connections)
Place the O-ring supplied with the ange tting into the groove on the Starter Relay Valve.
1.
Mount the Starter Relay Valve to the tank using ST500-K166 Flange Assembly. The air ow arrow must point toward the starter.
2.
Check the O-ring to see that it properly seated in the groove to prevent cutting.
3.
Push the two clamp halves inward as far as they will go.
4.
Tighten the four ange bolts in an alternating pattern to 35-45 ft-lbs (47-61Nm) torque.
5.
Attach the air hose from the outlet side of a 3-way normally vented Control Valve to the small tapped hole in the top of the Starter Relay
6.
Valve. Use SMB-441 Ingersoll Rand Sealant on the male thread.
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