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Paccar Peterbilt 587 - Air Filter Restriction Indicator Gauge; Voltmeter

Paccar Peterbilt 587
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GAUGES PART 4: CONTROLS AND DISPLAYS
– 70 – Y53-6032 (R05/10)
Voltmeter
The voltmeter displays the voltage at which your batteries
are being charged while the engine is operating.
NOTE: Even with a healthy charge/start system,
the voltmeter may fall well below 12V during
engine cranking. If voltage drops below 12V and
stays there, have the electrical system checked.
Air Filter Restriction Indicator Gauge
This gauge indicates the condition of the engine air
cleaner and is measured by inches of water (H
2
O). A
clean filter should register 7 in. H
2
O (may vary with sys-
tem design) and a filter whose life is over will register
approximately 25 in. H
2
O.
Y53-6032.book Page 70 Monday, May 24, 2010 3:37 PM

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