Specifications

Operational Checkout
– – –1/1
T7825BB –UN–21AUG92
Increase engine speed to fast idle
andobserve monitor display.
LOOK: The following engine rpm readings
must be displayed. 544G: 2350—2400 rpm
624G/644G: 2300—2350 rpm
T7825BD –UN–21AUG92
Press SELECT button until hourmeter icon is
displayed.
LOOK: Hourmeter icon must be flashing and
hourmeter reading must be displayed.
T7825BE –UN–21AUG92
Reduce engine speed to slow idle and press
select button until battery voltage is
displayed.
LOOK: Battery voltage should be higher than
in step 5 and should be approximately
13.6—14.5 volts.
OK: Go to next
check
NOT OK: No
monitor reading
displayed. Check
ACC fuse to
monitor.
IF OK: Go to your
authorized dealer.
NOT OK: Check
speed control
linkage.
IF OK: See Adjust
Engine Speed
Control Linkage in
Maintenance—
Every 1000 Hours
chapter.
NOT OK: Check
alternator circuit
output. Go to your
authorized dealer.
95–8
PN=216