Operation Manual 58
Operation
Figure 64. Hydraulic Oil Temperature Indicator
Figure 65. Low Brake Pressure Indicator
The rear axle lock indicator illuminates when the forklift is in
the axle lock mode. The rear axle locks when the parking brake
is set to ON (engaged), the transmission is in NEUTRAL or the
service brake applied, and when the boom is above 40°. If the
rear axle lock indicator does not illuminate, stop the forklift,
follow proper shut down procedures, tag the forklift with “Do
Not Operate” tags, and have a qualied mechanic service or
repair the forklift before placing it into service again.
The low brake pressure indicator illuminates if the hydraulic
brake oil pressure gets low. If the low brake pressure indicator
is illuminated, stop the forklift, follow proper shut down
procedures, tag the forklift with “Do Not Operate” tags, and
have a qualied mechanic service or repair the forklift BEFORE
placing it into service again.
Figure 66. Rear Axle Lock Indicator
Warning
Stop
Lamp State
Descrip
on Engine State
ON
ON
Lamp Check Lamps come on for 5 seconds Igni on on, engine o
No Faults Normal opera on Engine opera ng with no faults
ON
Ac ve Diagnos c Minor fault present
Engine is opera
ng normally with one
or more faults present
FLASH
Derate Serious fault present
Engine opera
ng with reduced power
FLASH
ON
Shutdown
Engine should be shut down by
operator. Automa c shutdown will
occur a
er a short period of me.
shutdown is imminent
Engine Indicator Chart
Engine should be shut down or automa c
Two very important indicators for tier 4 interim diesel engines
are the Engine Warning Lamp and the Engine Stop Lamps,
shown in Figure 31. Below is a chart depicting all possible en-
gine states that can be indicated by a combination of these
two lamps.
Figure 67. Engine Indicator Chart
Engine Indicator Chart