Scale-O-Matic
Model No.
System
SM-130
SM-140
SM-240
*Only includes gauge and decal.
NOTE: All Scale-O-Matic models are for use with all
makes and models of suspensions.
MODEL NO. SM-130
1. Connect to existing air lines of system as shown in
Figure 1.
2. Refer to decal for operating instructions and data
recording. Apply decal to clean surface located near
gauge.
MODEL NO. SM-140/SM-240
1. Attach Scale-O-Matic enclosure securely to frame or
other protective area using four 1/4" diameter bolts and
nuts (not supplied) through mounting holes in back of
enclosure (See Figure 2).
2. Connect to existing air lines of system as shown in
Figure 3 for Model SM-140 and Figure 4 for Model
SM-240.
3. Refer to decal on inside of enclosure for operating
instructions and data recording (See Figure 5).
Figure 5. Inside of Enclosure (SM-240 Shown)
Rev. 1/03 ART ONLY L31184 (94100480)
Scale-O-Matic
Installation Instructions
HCV
Weatherproof
Enclosure
Single
No*
Single
Yes
Dual
Yes
Refer to decal for operating
instructions and data recording.
Figure 1. SM-130 Suspension System
Right Side
Figure 2. Hole Pattern and Enclosure Size
SM-140
6 3/4"
4 1/4"
SM-240
8 7/8"
4 1/4"
Figure 3. SM-140 Single HCV
Suspension System
Figure 4. SM-240 Dual HCV
Suspension System
Technical Services Department
1-800-643-2374
Haldex Commercial Vehicle Systems
North American Sales Division
Haldex Brake Products Corporation
10707 N.W. Airworld Drive
Kansas City, MO 64153-1215
Phone: (816) 891-2470
Fax: (816) 880-9766
94100480
Rev. 1/03
Air Line
SM-130
Left Side
(no enclosure)
Right Side
Left Side
Right Side
Left Side
North American Sales Division
Haldex Limited
525 Southgate Drive, Unit 1
Guelph, Ontario CANADA N1G 3W6
Phone: (519) 826-7723
Fax: (519) 826-9497
L31184
7 5/8"
4 3/8"
7 5/8"
7 1/2"
4 3/8"
9 1/2"
Air Line
Air Lines