CONTROLS 2
GB-9
2.4
OPERATOR ALERTS _______________________________________________________
The electronic controller monitors vital machine systems. It
uses an audible alarm and warning lights to alert the
operator of conditions requiring immediate action. When an
alert occurs follow the general guidelines listed in the chart
below, and any specific actions outlined by the grounds
superintendent or service manager.
To test alarm system:
Turn ignition switch to RUN. All lights will come on for one
second or more and the alarm will sound for 5 seconds, then
beep once every three seconds until the engine is started.
This system monitors:
1. Hydraulic fluid level.
2. Engine oil pressure.
3. Engine coolant temperature.
4. Hydraulic oil filter.
5. Battery voltage.
6. Dual activation of brake and traction pedal.
Figure 2C
77
93
110
° C
170
200
230
° F
2
3
1
4
5
LF004
Alert
Action
1.
Hydraulic fluid level
-
alarm
sounds
for 5 seconds, then beeps
once every three seconds
and
hydraulic fluid warning light comes
on. Hydraulic fluid is below
recommended level.
Stop mower immediately, lower implements
and shut off engine!
Visually
inspect mower for obvious signs of leaks around connections, hoses and
hydraulic components. Return mower to service area for maintenance.
CAUTION:
Hydraulic fluid is under pressure.
Turn engine off and allow
fluid to cool before checking fluid level or adding oil to hydraulic tank.
2.
Engine Oil Pressure
-
alarm
sounds
for 5 seconds, then beeps
once every three seconds
and oil
pressure light comes ON. Oil
pressure low.
Stop mower immediately, lower implements
and shut off engine!
Inspect oil
level in engine. If oil light remains ON with oil at proper level, shut off engine and
tow or trailer mower back to a service area.
NEVER
operate engine with oil light
ON. Severe damage to the engine can occur.
3.
Engine Coolant Temperature
Alarm sounds
for 5 seconds, then
beeps once every three seconds
.
Engine coolant temperature high.
Stop mower immediately, lower implements and shut off engine!
Remove
debris such as leaves and grass clippings that may be restricting air flow through
rear screen on hood and area between radiator and oil cooler. If engine
continues to run hot, return mower to a service area.
CAUTION
: Engine coolant is under pressure. Turn engine off and allow
fluid to cool before checking fluid level or adding coolant to radiator.
4.
Hydraulic oil filter
- Oil filter
warning light remains on after
starting or alarm sounds
for 5
seconds, then beeps once every
three seconds and light comes
on
.
Return mower to a service area as soon as possible
. Change hydraulic oil
filters.
5.
Battery Voltage
- Warning light
comes on.
Return mower to a service area as soon as possible
.
Inspect battery and
battery charging system.
6.
Driving with brake on
- Alarm
Sounds
Disengage parking brake, or remove foot pressure from either pedal
.
Continued operation with both brake and traction pedal depressed will cause
engine to stop in 10 - 60 seconds, depending on the order of pedal application.
