Restriction Indicators
ServiSignal™ Mini Indicator Small enough to fit just about
The lnformer™ for Graduated, Continuous Readings The Informer, when mounted
Mechanical Indicators Part
Restriction Limits Fitting
Number mbar Pa mm H2o ServiSignal ™ Mini Indicators
anywhere (only 42 mm high), the Donaldson ServiSignal™ shows a highly visible, bright red flag in the full-view window
on the air cleaner or the dashboard, provides a continuous reading whether the engine is running or
X002250 37 3700 380 1/8"-27 NPT X002251 50 5000 508 1/8"-27 NPT X002252 62 6200 635 1/8"-27 NPT X002254 75 7500 762 1/8"-27 NPT Informer ™ Indicators X002278 50 5000 508 1/8"-27 NPT X002277 62 6200 635 1/8"-27 NPT X002275 75 7500 762 1/8"-27 NPT
when restriction limit is reached. Resets manually via top button after air cleaner service. Kit includes 1/8" NPT threaded brass fitting for mounting on the air cleaner. For remote mount, also order P105168 flange. Hoses are not included.
is shut down. Reset button is on top. Kit includes full installation instructions and a P100089 safety filter fitting. For remote mounting, order a P105168 flange and a P105622 90° elbow.
Electrical Indicators Connects to Light, Buzzer, or Computer Designed for a variety of on- and off-highway applications. • Should be screwed on the air cleaner nipple by hand. • Operating temperatures of -10°C to +100°C. • When restriction level reaches the maximum recommended limit, • an electrical signal activates a light, a buzzer, or a computer. The indicator automatically resets itself after the filter is serviced. • 12-24 Volts. • Maximum load: 6 watts (light or buzzer). • Contacts have no polarity. • Switch contacts are normally • in the open position. If inductive load can occur, • appropriate protection must be provided. Quick connectors and light, •
Electrical Indicators Part
Restriction Limits Fitting
Number mbar Pa mm H2o Electrical Indicators
X770037 37 3700 380 1/8"-27 NPT X770050 50 5000 508 1/8"-27 NPT X770052 50 5000 508 M10 X 1 X770061 62 6200 635 M10 X 1 X770062 62 6200 635 1/8"-27 NPT X770075 75 7500 762 1/8"-27 NPT
Electrical Indicators with AMP connectors
X770225 64 6400 627 X770301 54 5400 530 M10 X 1 X770316 54 5400 530 1/8"-27 NPT X770317 64 6400 627 1/8"-27 NPT X770526 75 7500 762 1/8"-27 NPT M10 X 1
buzzer, or computer must be purchased separately.
136 n Engine Air Cleaners, Accessories & Service Parts
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