11
Introduction
EN
3.4.1
Dryer Identification Tag
The identification tag on the face of the dryer provides important information about the air dryer —
information you will need when servicing or replacing components. Figure 4.
Fig. 4
4013290a
17114
DATE CODE
FIRST TWO DIGITS =
BUILD YEAR
SECOND TWO DIGITS =
BUILD WEEK
LAST DIGIT =
DAY OF THE WEEK
MANUFACTURING
LOCATION CODE
PART NUMBER
3.4.2
Description of Components
Replacement components for single canister air dryers are described below.
Spin-on/spin-off design allows quick and easy maintenance.
Always replace cartridges with authentic WABCO brand cartridges.
Coalescing Cartridge:
Utilizes a filter element added to the standard desiccant to remove aerosols and oil
particles.
Heater:
Located in the air dryer base, the heater prevents water that collects in the air dryer from freezing.
It consists of a cylindrical resistive-type heating element and a small circular thermostat. Heater is available
for 12- and 24-volt air dryers. Figure 5.
Fig. 5
1002149a
HEATER MAY BE STAINLESS
STEEL CLAD OR CERAMIC
Outlet Check Valve:
A valve located in the outlet port (port 21) of the air dryer. It prevents air from flowing
back through the air dryer and escaping out the purge valve during a compressor unload cycle. Figure 6.
Fig. 6
1002151a
Summary of Contents for SYSTEM SAVER HP MM1736
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