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Bendix

SMS-9700

™

Accessory Solenoid Manifold

SD-03-10432

DESCRIPTION

The Bendix

SMS-9700

™

accessory solenoid manifold is

a bank of low air ﬂ ow solenoids used to control devices

such as suspension dump, differential locks, transmission

controls and other piloted chassis functions. Each solenoid

is controlled by an electrical switch inside the cab of the

vehicle.

Identifying the type of solenoid is essential for servicing

and troubleshooting. Note that the individual solenoids in

the bank can be replaced, but not repaired.

FIGURE 1 - BENDIX

SMS-9700

™

ACCESSORY SOLENOID MANIFOLD

MOUNTING

HOLES

LATCHING

BANK (GRAY)

LATCHING

BANK (GRAY)

DELIVERY

PORT

COMMON RAIL

SUPPLY PORT

NORMALLY

CLOSED (NC)

SOLENOID

(BLACK)

NORMALLY

OPEN (NO)

SOLENOID

(NATURAL)

ELECTRICAL

CONNECTOR

ELECTRICAL

CONNECTOR STYLE

FOR LATCHING

(GRAY) OR NC

(BLACK) SOLENOIDS

ELECTRICAL

CONNECTOR FOR

NO (NATURAL)

SOLENOIDS

EXHAUST

PORT

PUSH-TO-CONNECT

RINGS

COMMON RAIL

SUPPLY PORT

Normally Closed Function (NC) - No air passes through

the valve when electrical current is not present.

Normally Open Function (NO) - Air passes through the

valve when electrical current is not present.

BENDIX

SMS-9700

™

ACCESSORY SOLENOID

MANIFOLD

The SMS-9700 accessory solenoid manifold is a stackable

assembly with up to ﬁ ve normally open (NO), normally

closed (NC), or latching solenoid banks that can control

various accessories. These banks can be identiﬁ ed by

the electrical connector type and/or color (black, gray or

natural), and delivery port pairings. See Figure 1.

The push-to-connect (PTC) rings come in a variety of colors

and are used for OE installation purposes and do not depict

features, or function, of the solenoid valve.

Summary of content (4 pages)

PAGE 1
SD-03-10432 Bendix® SMS-9700™ Accessory Solenoid Manifold DELIVERY PORT PUSH-TO-CONNECT RINGS MOUNTING HOLES NORMALLY OPEN (NO) SOLENOID (NATURAL) COMMON RAIL SUPPLY PORT COMMON RAIL SUPPLY PORT NORMALLY CLOSED (NC) SOLENOID (BLACK) ELECTRICAL CONNECTOR STYLE FOR LATCHING (GRAY) OR NC (BLACK) SOLENOIDS EXHAUST PORT LATCHING BANK (GRAY) ELECTRICAL CONNECTOR ELECTRICAL CONNECTOR FOR NO (NATURAL) SOLENOIDS LATCHING BANK (GRAY) Normally Closed Function (NC) - No air passes through the valve when elect
PAGE 2
TYPICAL IN-CAB SWITCHES SUSPENSION DUMP SWITCH INTERAXLE LOCK SWITCH BENDIX® SMS-9700™ ACCESSORY SOLENOID MANIFOLD DIFFERENTIAL LOCK SWITCH PRESSURE PROTECTION VALVE SUPPLY RESERVOIR PTO SWITCH Sample identification label located on the back of the solenoid mounting bracket. Each OE manufacturer will have different labeling requirements.
PAGE 3
LEAKAGE CHECKS REMOVAL With the air system fully charged, coat the exhaust ports of the solenoid with a soap solution. A 1-inch bubble in three (3) seconds is permitted (175 SCCM). 1. Prior to removing a solenoid, apply the parking brakes and drain all the vehicle reservoirs. Refer to the General Safety Guidelines in this manual before performing any service.
PAGE 4
3. Identify, mark, and disconnect all electrical connector(s) from the solenoid(s). 4. Remove the mounting bolt(s) and remove the solenoid(s) from the vehicle. DISASSEMBLY The Bendix® SMS-9700™ solenoids can not be serviced or repaired, they can only be replaced with service replacement solenoids. Refer to Figure 3. 1. The SMS-9700 solenoids are fastened together with a twist-to-lock feature. To disassemble the banks, remove the body mounting bolt and twist the banks slightly to separate.