TPA400 Rev0509
14
Hourmeters
The Tachplus is designed with an internal timer to keep track of the various operating
hours. The operating hours that the Tachplus is able to time are :
Engine hours - total operating hours of the engine (
ENG. HRS
)
Pump hours - total operating hours of the pump (
PUMP HRS
)
Current Incident hours -
(INC. HRS
)
Last Incident hours -
(LAST INC
)
Aerial hours - total operating hours of the aerial (
AER. HRS
)
Generator hours - total operating hours of the generator (
GEN. HRS
).
The hour information is displayed in decimals. Each tenth of a point is equal to 6
minutes or 1/10 of a minute (12.3 is 12 hours and 18 minutes).
Manifold Temperature
The manifold temperature information is supplied on the data link and is available
on electronic engines only. For an over temperature condition
MAN. TEMP
will flash
in the message display.
Pump Overheat (Option)
With this option, the Tachplus receives a signal from the pump overheat sensor.
The pump overheat warning is activated when the pump temperature rises above 130°F.
PUMP HOT
will flash in the message display and audible alarm is activated.