BENDIX M-40QR Dados de serviço
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Bendix
M-40QR
®
Bendix
M-40QR
®
™
Modulator
(Height = 3.75")
Exhaust Port
(Body has
"3, EXH")
Figure 1 - M-40QR
& M-40HF
™
DESCRIPTION
The Bendix
M-40QR
(quick release) and M-40HF
®
™
flow) pressure modulator valves (PMVs) are high-capacity,
on/off air valves that incorporate a pair of electrical
solenoids for control. See Figure 1. The solenoids provide
the electro-pneumatic interface between the vehicle's
electronic control system and the air brake system. For
example, the PMV is used to control the braking function
of service actuators during antilock activity.
& M-40HF
Pressure Modulator Valves
™
™
Delivery Port
(Casting has
"2, DEL")
Supply Port
(Casting has
"1, SUP")
Electrical
Connector
Mounting Holes
(.33" Diameter
Through Body)
Pressure Modulator Valves
™
Bendix
M-40HF
®
Modulator
(Height = 4.75")
Exhaust Port
(Body has
"3, EXH")
(high
™
Bendix
®
Modulator
Figure 2 - Previous Bendix
™
Supply Port
(Casting has
"1, SUP")
Packard Connector
Electrical
Connector
OE and Service New Bendix
a n d M - 4 0 H F
m o d u l a t o r v a l v e s
™
manufactured after February 2014,
contain two parallel ribs on each side of
the Supply and Delivery ports as shown
here. These ribs identify these modulators
as a genuine Bendix
product. If the OE
®
or Service New valve was manufactured
after this date and does not contain these
ribs, it is not a genuine Bendix
M-32QR
Bendix
™
Modulator
M-32
Modulators
®
™
Alternate Push-to-
Connect Version,
Showing Optional
M-40QR
®
™
product.
®
M-32
®
™
1