Inspect Vacuum Switching Valve Assembly No Purge

Purge VSV:

Port B

(a) Remove the purge VSV.

(b) Apply battery voltage to the terminals of the purge VSV.

(c) Using an air gun, confirm that air flows from port A to port B.

Port B





Test Results

Suspected Trouble Areas

Proceed To

Air flows

Purge VSV normal


No air flow

Purge VSV


(d) Reinstall the purge VSV.

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DIY Battery Repair

DIY Battery Repair

You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.

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