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Technical Bulletin

Bulletin No: TCH-003-041-A Effective Date: 7/8/97 Cancels: N/A Page: 1 of 2

Subject: MV-3 DASH CONTROL MODULE

Bendix Commercial Vehicle Systems LLC produces the

popular MV-3 Dash Control Module for the medium and

heavy duty trucking industry. We take pride in

maintaining high quality levels in all our products, but

have identified a batch of MV-3 valves with potential for

the SUPPLY-11 port to crack during installation. See the

installation instructions below for our full recommended

procedure.

The factors leading to this issue have been thoroughly

investigated and resolved. We continue to improve our

engineering and manufacturing processes to give our

customers the best quality at the right price.

Figure 1: MV-3 Dash Control Module

General Note: Non-metallic Valve Installation

Our recommended procedure when installing air lines to any non-metallic valve is as

follows:

• Use a liquid thread sealant on the fitting;

• Attach the fittings until they are hand-tight;

• Tighten the fittings approximately one and one half turns or

using a maximum of 10 ft.-lbs. torque;

• If further installation steps involve the fitting (e.g. when

attaching an air hose), use a wrench to hold the fitting body

so that no further force is applied to the valve port.

Note: Typically these ports have tapered thread, so excessive force will damage the

thread, the valve and may crack the port.

1 2

Technical BulletinBulletin No: TCH-003-041-A Effective Date: 7/8/97 Cancels: N/A Page: 1 of 2Subject: MV-3 DASH CONTROL MODULEBen

Figure 2: Manufacture Date Location Figure 3: SUPPLY 11 Port LocationWarranty CoverageTo be eligible for warranty coverage, check that all three

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BENDIX TCH-003-041 Manual de usuario