Haldex Modular Trailer System Supplément
INSTALLATION/SERVICE
MANUAL
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS) L31293W
“Patent Pending”
Product Options
The Haldex Modular Trailer System (HMTS) with Brake Monitoring System (BMS) was designed to
be used on Straight Rail or Drop Deck Single Axle Trailers.
Safety First
This manual describes the correct installation process for the Haldex Modular Trailer System (HMTS)
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 Trailer System (HMTS) with Brake Monitoring System (BMS) requires proper
handling prior to and during installation. The HMTS should NEVER be lifted by way of tubing,
electrical cables or any components. Lifting MUST only be done by way of the panel itself or the
two attached I-beam brackets. 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 Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
Table of Contents
Specifications - Drop Deck.......................................................................................2
Specifications - Straight Rail....................................................................................4
I-Beam Mounting .....................................................................................................6
Components - Curb Side .........................................................................................8
Components - Road Side .........................................................................................9
Plumbing and Wiring - Curb Side...........................................................................10
Plumbing - Road Side..............................................................................................11
Air System and Electrical Test .................................................................................12
End of Line and PM Test .........................................................................................13
©2017 All Rights Reserved
Material may only be reproduced with the written permission of Haldex.
Section Page
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
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
Drop Deck Trailer
Haldex Modular Trailer System (HTMS)
Specications - Drop Deck
PAGE 2
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
Curb Side View
The Haldex Modular Trailer System (HMTS) must
be located behind the Air Reservoir with protective
shield in front. Center Haldex Modular Trailer
System (HMTS).
OC = On Center
Front of Trailer
Trailer Floor Deck
Suspension Box
30” 16” OC 16” OC 16” OC
10 1/2” min.
Required
Protective
Shield
Haldex Modular
Trailer System
(HMTS)
Air
Reservoir
Haldex Modular Trailer System (HMTS) Drop Deck Trailer
Service/Control Air Line Diameter (O.D.): Front Gladhand to Module - 3/8” Tubing (Blue)
Emergency/Supply Air Line Diameter (O.D.): Front Gladhand to Module - 1/2” Tubing (Red)
Service/Control Air Line Diameter (O.D.): Module to Rear Gladhand - 1/2” Tubing (Blue)
Emergency/Supply Air Line Diameter (O.D.): Module to Rear Gladhand - 1/2” Tubing (Red)
Protective Metal Shield is required in Min. Height 10 1/2”
front of reservoir:
I-Beam Requirements: Height: 3 1/2” - 4”
Width: 2 1/4”
Thickness: 1/8”
I-Beams on 16” Center +/- 1/4”
Technical Information
PAGE 3
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
Curb Side View
Haldex Modular Trailer System (HTMS)
Specications - Drop Deck (cont’d)
Mounting Clamps
to I-Beam
(Ground) (Ground)
Note: This side faces Curb Side and this edge will
be facing toward the ground.
Curb Side View
Front of Trailer
Drop Deck Trailer
3 1/2 - 4”1/8”
2 1/4”
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
PAGE 4
Straight Rail Trailer
Haldex Modular Trailer System (HTMS)
Specications - Straight Rail
Curb Side View
The Haldex Modular Trailer System (HMTS) must
be located behind the Air Reservoir. Center Haldex
Modular Trailer System (HMTS).
OC = On Center
Trailer Floor Deck
Suspension Box
6” 12” OC 12” OC 12” OC 12” OC
Air Reservoir
27”
Haldex Modular Trailer System
(HMTS)
Front of Trailer
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
PAGE 5
Haldex Modular Trailer System (HMTS) Straight Rail Trailer
Service/Control Air Line Diameter (O.D.): Front Gladhand to Module - 3/8” Tubing (Blue)
Emergency/Supply Air Line Diameter (O.D.): Front Gladhand to Module - 1/2” Tubing (Red)
Service/Control Air Line Diameter (O.D.): Module to Rear Gladhand - 1/2” Tubing (Blue)
Emergency/Supply Air Line Diameter (O.D.): Module to Rear Gladhand - 1/2” Tubing (Red)
Protective Metal Shield is required in Min. Height 10 1/2”
front of reservoir:
I-Beam Requirements: Height: 3 1/2” - 4”
Width: 2 1/4”
Thickness: 1/8”
I-Beams on 12” Center +/- 1/4”
Technical Information
Curb Side View
Haldex Modular Trailer System (HTMS)
Specications - Straight Rail (cont’d)
Mounting Clamps
to I-Beam
(Ground) (Ground)
Note: This side faces Curb Side and this edge will
be facing toward the ground.
Curb Side View
Front of Trailer
Straight Rail Trailer
3 1/2 - 4”1/8”
2 1/4”
Haldex Modular Trailer System (HTMS) -
I-Beam Mounting
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
PAGE 6
Step 1 Chock wheels.
Step 2 Drain tank.
Step 3 Remove existing panel.
Step 4 Place inner mounting brackets
onto I-Beam.
Step 5 Attach outer brackets to panel
and loosely install 3/8”bolts and
lock washers.
Spread brackets apart.
Step 6 Position Haldex Modular
Trailer System (HMTS) unit
between I-Beams
I-Beam I-Beam
I-BeamI-Beam
Inner Mounting
Brackets
Outer Mounting
Brackets
Bracket
3/8” Weld Nut
Bracket
3/8” Bolt
Module Panel
3/8” Lock
Washer
Center Between I-Beams
Haldex Modular Trailer System (HTMS) -
I-Beam Mounting (cont’d)
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
PAGE 7
Step 7 Slide outer brackets together
around I-Beams.
Step 8 Insert 3/8” bolts, at washers,
lock washers and nuts. Torque
(4) places 28-32 ft. lb.
Step 9 Center Haldex Modular Trailer
System (HMTS) between
I-Beams and torque (4) places
28-32 ft. lb.
Tighten these bolts last.
Step 10 Attach hoses to appropriate
brake chambers. Do Not Use
teon tape on ttings. Use
liquid thread sealant sparingly
on all ttings. (Loctite PST565
or equivalent.)
I-BeamI-Beam Center Between I-Beams
I-BeamI-Beam Center Between I-Beams
Inner
Bracket
3/8” Lock
Nut
Inner
Bracket
3/8” Lock
Washer
3/8” Bolt
Tighten these
bolts first
Step 11 For plastic ports, hand tighten ttings then rotate 1 to 1 1/2 additional turns.
The maximum torque allowed is 210 in. lb.
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
Haldex Modular Trailer System (HTMS)
Components - Curb Side
Haldex Modular Trailer System (HMTS)
with Brake Monitoring System (BMS)
Installation/Service Guide (L31293W)
PAGE 8
Trailer Module System (TMS)
Height:........................................ 14”
Length: .......................................20”
Weight:....................................... 28 lbs.
Conguration
FFABS Valve: ...............................ITCM
Mounting: ..................................I-Beam (2 1/4” Wide - 16” On Centers)
Fittings:....................................... PTC (Push-To-Connect) Valves and Components
Panel Fasteners: .........................Threaded Nuts 1/4-20 UNC and 5/16-18 UNC
Mounting Bracket Fasteners: ....3/8-16 X 1-1/4 UNC
Technical Information
Haldex Modular
Trailer System
(HTMS) Panel
Haldex
Reservoir
Purge Valve
Mounting
Brackets (2)
ABS
Power
Electronic Control
Unit (ECU)
FFABS Valve Supply Air
Red (IN)
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