SandSun VA08H-760 - User Manual

使 用 說 明 書
OPERATION MANUAL
超 負 荷 保 護 裝 置
OVERLOAD PROTECTOR
MODEL:
VA08H (Air Pressure Type)
山 田 順 精 機 股 份 有 限 公 司
SANDSUN PRECISION MACHINERY CO.,LTD
Tel : 886-4-8536688
Fax : 886-4-8536699
http://www.sandsun.com.tw
E-mail: sandsun@ms26.hinet.net
台灣省彰化縣大村鄉中山路三段 57 巷 7 號
NO .7, LANE 57, SEC.3, CHUNG-SHAN RD.,
DAH-TSUEN, CHANG-HWA, TAIWAN, R.O.C.

Summary

Basis of Selection

Model Selection Calculation Formulas

Formulas for calculating cylinder area, setting pressure, release flow rate, and oil tank volume for model selection.

Model Number Determination

Usage Precautions

Pre-use Checks and Operation Safety

Ensures correct wiring, air-piping, hydraulic oil level/type, and continuous air supply during operation.

Air Bleeding Procedures

Air Bleeding via Drain Bolt

Air Bleeding at Hose Connector

Working Principle Explanation

Overload Release Mode

Describes how the protector releases pressure and signals for press stop when overload occurs.

Post-Overload Recovery

Limit Switch Setting Procedure

Limit Switch Adjustment Method

Step-by-step guide to adjust the limit switch using thickness gauges under normal operating pressure conditions.

NO Type Limit Switch Adjustment

NC Type Limit Switch Adjustment

Troubleshooting Guide

Pump Not Working Issues

Air Leak from Pump Issues

Pump Nonstop (Highest Speed) Issues

Troubleshooting for pump running nonstop at high speed, covering oil seals, inlet valves, and overload valve issues.

Pump Nonstop (Lower Speed) Issues

Troubleshooting for pump running nonstop at lower speed, including piping leaks and pressure control valve problems.

Overload Valve Assembly Diagram and Parts List

VA08 H Overload Valve Component Identification

SandSun VA08H-760 Specifications

General

Brand	SandSun
Model	VA08H-760
Category	Test Equipment
Language	English