Maintenance; Troubleshooting; Warning For Maintenance - Yoshitake SCV-4 Product Manual

Check valve

Trouble

Fluid does not flow.

Fluid flows back.

1. Completely discharge the pressure inside of the product, line and equipment before disassembling or

maintenance. In the case of high-temperature fluid, cool down the product till it can be touched with bare

hands.

* Failure to follow this notice may result in injury or burns.

2. Ask professional or experienced company to do the inspection.

6. Maintenance

Cause

1. Contact surface of valve [6] and

valve seat [2] is stuck.

2. Installation direction is wrong.

1. Contact surface of valve [6] and

valve seat [2] is worn away.

2. Internal parts are damaged.

1. Replace the product if valve [6] does not

move.

2. Confirm the arrow on the product and

install it correctly.

1. Replace the product.

2. Replace the product.

Warning

‐6‐

Remedy

■ EPDT-309a ■

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Scv-4en