Haldex L31298W Handbuch

INSTALLATION/SERVICE

MANUAL

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) For Single Axle Dollies L31298W

“Patent Pending”

Product Options

The Haldex Modular Dolly System (HMDS) with Brake Monitoring System (BMS) was designed to

be used on Single Axle Dollies.

Safety First

This manual describes the correct installation process for the Haldex Modular Dolly System (HMDS)

with Brake Monitoring System (BMS). Care must be taken during each phase of the installation in

order to ensure the system is installed and working properly.

Please follow your company’s safety procedures at all times when installing this equipment.

Be sure that you understand all instructions before you begin.

Remove all air pressure and electrical power from the brake system before beginning work.

Handling Requirements

The Haldex Modular Dolly System (HMDS) with Brake Monitoring System (BMS) requires proper

handling prior to and during installation. The HMDS should NEVER be lifted by way of tubing,

electrical cables or any components. Lifting MUST only be done by way of the panel itself. Failure

to do so may result in loose components and subsequent leakage, leading to panel function

degradation or failure.

Questions?

If you have any questions on this product or any of the innovative products offered by Haldex,

contact your local distributor for complete details. Technical Service or Troubleshooting help can

be obtained by calling Haldex Technical Services Department at 800-643-2374, Press 2.

Important Notices

The products described within this literature, including without limitation, product features,

speciﬁcations, designs, availability and pricing are subject to change by Haldex and its subsidiaries at any

time without notice. This document and other information from Haldex, its subsidiaries and authorized

distributors provide product and/or system options for further investigation by users having technical

expertise. It is important that you analyze all aspects of your application and review the information

concerning the product or system, in the current literature or catalog. Due to the variety of operating

conditions and applications for these products or systems, the user, through their own analysis and

testing, is solely responsible for making the ﬁnal selection of the products and systems and assuring that

all performance, safety and warning requirements are met.

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

Table of Contents

Haldex Modular Dolly System (HMDS)

Fifth Wheel Assembly/Technical Information ...............................................................2

Haldex Modular Dolly System (HMDS)

Components Front/Technical Information ....................................................................3

Components Rear ...........................................................................................................4

Haldex Modular Dolly System (HMDS)

Plumbing - Front Side.....................................................................................................5

Plumbing - Front Side - Haldex Push/Pull Valve ............................................................6

Plumbing - Rear Side - Bendix®& Sealco®Push/Pull Valve ...........................................7

Haldex Modular Dolly System (HMDS)

Mounting Brackets .........................................................................................................8

Haldex Modular Dolly System (HMDS)

End of Line and PM Tests ...............................................................................................9

Air System and Electrical Tests ......................................................................................10

Functional Test for Brake Monitoring System (BMS)...................................................11

Functional Test for Reservoir Purge Valve (RPV)..........................................................12

Material may only be reproduced with the written permission of Haldex.

Section Page

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

PAGE 1

Additional Information

Installation and Troubleshooting Guides

available on the Haldex website.

Anti-Lock Braking Systems (ABS)

Installation/Service Manual (L30041)

https://www.haldex.com/globalassets/

north-america/documents/abs/l30041.pdf

Brake Monitoring System (BMS-1)

Installation/Service Manual (L31250W)

https://www.haldex.com/globalassets/

north-america/documents/abs/l31250W

Intelligent Trailer Control Module (ITCM)

Installation/Service Manual (L31286W)

https://www.haldex.com/globalassets/

north-america/documents/l31286W.pdf

Brake Monitoring System (BMS)

Installation/Service Manual (L31290W)

https://www.haldex.com/globalassets/

north-america/documents/l31290W.pdf

Haldex Modular Dolly System (HMDS) with Brake Monitoring System (BMS)

C-Channel Dimension Mounting: Approximate Height 5 1/4” x Width 3”

C-Channel Dimension (Option): Approximate Height 7 3/4” x Width 3”

Service/Control Air Line (IN): 3/8” Tubing (Blue)

Service/Control Air Line (OUT): 1/2” Tubing (Blue)

Emergency/Supply Air Line (IN): 1/2” Tubing (Red)

Emergency/Supply Air Line (OUT): 1/2” Tubing (Red)

Push/Pull Valve: Supply Line 3/8” Tubing (Red)

Reservoir Line 3/8” Tubing (Blue)

Delivery Line 3/8” Tubing (Black)

Air Tank: Supply Line 5/8” Tubing (Black)

Air Bags: Supply Line 3/8” Tubing (Red)

Leveling Valve: Supply Line 3/8” Tubing (Green)

Delivery Line 3/8” Tubing (Black)

Technical Information

Fifth Wheel Assembly

Haldex Modular Dolly System (HMDS)

Assembly

PAGE 2

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

Reservoir mounting depends

on Dolly Module location

Mount Dolly Module

as shown facing rear

Haldex Modular Dolly System (HMDS) with Brake Monitoring System (BMS)

Dolly ABS Module System: Height 15” x Length 20”

Weight: Less than 35 lbs.

Conﬁguration: 2-Port ABS Relay valve - 2S/1M Single Axle

C-Channel Dimension Mounting: Approximate Height 5 1/4” x Width 3”

C-Channel Dimension (Option): Approximate Height 7 3/4” x Width 3”

Fittings: Push-To-Connect (PTC) Valves and Components

Panel Fasteners: Threaded Nuts 1/4-20 UNC and 5/16-18 UNC

Mounting Fasteners: 3/8”-16 UNC X 1 1/4” Long Hex Bolt

Nylon tubing (DOT): 1/4”, 3/8” and 1/2” Installed (5/8” tubing provided

by installer)

Included: Rubber Service Brake Hose clamp Assembly

NOTE: See L31250W Manual for Brake Monitoring System (BMS-1) Information.

Technical Information

PAGE 3

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

Haldex Modular Dolly System (HMDS)

Components - Front

ITCM Electronic

Control Unit (ECU)

ABS

Power

Emergency

Valve

Suspension

Dump Valve

2-Port ABS

Relay Valve

Service Pressure

Switch

Dolly Air

Module Panel

Booster

Valve

Manifold

One-Way

Check Valve

Quick Release

Valve

Supply Pressure

Switch

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

PAGE 4

Haldex Modular Dolly System (HMDS)

Components - Rear

Pressure Protection Valve

(PPV) with One-way Check

Reservoir Purge

Valve (RPV)

Pressure Protection

Valve (PPV)

Supply to Height

Control Valve

Panel Hanger

(Used on 5 1/4”

C-Channel Only)

Brake Monitoring

System (BMS) Alarm

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

PAGE 5

Haldex Modular Dolly System (HMDS)

Plumbing - Front Side

NOTE: To avoid damage to

power connector, use

provided zip tie in this

location to secure power

connection to ITCM ECU

Blue

(Out)

Blue

(In)

Red

(In)

Red

(Out)

3/8”

Tube

1/2”

Tube

1/2”

Tube

1/2”

Tube

3/8” Hose

(4 Places)

ABS Sensor (1A)

Road Side

ABS Sensor (1B)

Curb Side

ABS Power (In)

Service

Chambers

3/8” Hoses

1/2”

Tube

3/8”

Tube

3/8”

Tube

Pintle

Chamber

Suspension Air Bags

Leveling Valve

Delivery Port

Haldex Modular Dolly System (HMDS) -

Plumbing - Front Side

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

PAGE 6

Haldex Push/Pull Valve Plumbing

WARNING: External connections, either tubing or electrical, MUST be made CORRECTLY for

proper function of the Haldex Modular Dolly System (HMDS). Failure to do so could result in

injury or death.

Air Reservoir

(1488 cu.in. min.)

5/8” Tubing

Single Axle

Reservoir

Delivery

Supply

All 3/8”

Tube

Haldex Push/Pull Valve

Leveling Valve

This connection MUST

be from the TOP or SIDE

of the reservoir.

3/8” Tubing

to RPV

From PPV (Supply Port)

Tee Fitting with a

Manual Drain Valve

Haldex Modular Dolly System (HMDS) -

Plumbing - Rear Side

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

PAGE 7

Bendix®& Sealco®Push/Pull Valve Plumbing

Leveling Valve

WARNING: External connections, either tubing or electrical, MUST be made CORRECTLY for

proper function of the Haldex Modular Dolly System (HMDS). Failure to do so could result in

injury or death.

This connection MUST

be from the TOP or SIDE

of the reservoir.

Air Reservoir

(1488 cu.in. min.)

3/8” Tubing

to RPV

From PPV (Supply Port)

5/8” Tubing

Single Axle

Reservoir

Delivery

Supply

All 3/8”

Tube

Bendix & Sealco Push/Pull Valve

Tee Fitting with a

Manual Drain Valve

Haldex Modular Dolly System (HMDS) -

Mounting Brackets (5 1/4” - 7 3/4”)

Haldex Modular Trailer System (HMTS)

with Brake Monitoring System (BMS)

Installation/Service Guide (L31293W)

Haldex Modular Dolly System (HMDS) with Brake

Monitoring System (BMS) for Single Axle Dollies

Installation/Service Guide (L31298W)

PAGE 8

5 1/4” Channel Bracket

3/8-16 UNC X 1 1/4” Long Hex Bolt (Grade 5) 28-32 ft. lbs.

3/8” Flat Washer (6)

3/8” Lock Washer (6)

3/8” Nut (6)

7 3/4” Channel Bracket

3/8-16 UNC X 1 1/4” Long Hex Bolt (Grade 5) 28-32 ft. lbs.

3/8” Flat Washer (8)

3/8” Lock Washer (8)

3/8” Nut (8)

7 3/4” Bracket (2)

Intermediate

Bracket (2)

(8) Bolt

5 1/4” Bracket (2)

(6) Bolt

Hanger Bracket

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