Jacobsen HR 5111, Operation Manual

Page: 10 / 20

4 CONTROLS
10
R. 2WD / 4WD Switch
Used to switch tractor between 2WD and 4WD
mode. Depress front of switch for 4WD in forward
direction only. Place switch in center position for
2WD. Depress rear of switch for momentary 4WD in
reverse. Do not engage or disengage 4WD while
tractor is moving.
S. Cruise Control Switch
Depress traction pedal for desired speed and press
front of switch to engage cruise control. Depress
service brake pedal or press rear of switch to
disengage cruise control.
T. Tachometer
Used to monitor engine speed.
U. Fuel Gauge
Displays fuel level in tank. Do not allow tractor to run
out of fuel.
V. Voltmeter
Displays electrical system voltage.
W. Hour Meter
Records engine operating hours. The hour meter can
be used to time maintenance intervals or mowing
operations.
X. Circuit Breakers
Used to protect electrical system. Push down on
rubber boot to reset circuit breaker.
Y. Temperature Gauge
Displays engine coolant temperature. Do not operate
tractor if temperature is above 230° F (110° C).
Z. Glow Plug Switch
Used to energize the glow plugs before starting. Do
not hold switch for more than 7 seconds. Glow Plug
light will be on when switch is depressed.
AA. Ignition Switch
Used to start and stop the engine. The ignition switch
has three positions OFF, RUN and START. To
prevent unauthorized use of this tractor, remove
ignition key when not in use.
4.3 SYSTEM SENTRY _________________________________________________________
The System Sentry 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. The engine oil light and charge
pressure light should come on. Press horn/test switch. Horn
will sound and Air Filter, Engine Temperature, Return Filter,
Hydraulic Temperature, and Charge Filter light will come on.
This system monitors:
1.
Engine oil pressure
2. Engine coolant temperature
3. Charge pressure
4. Hydraulic return oil filter
5. Hydraulic oil temperature
6. Hydraulic charge filter
7. Air filter
To prevent fuel spill,
only fill to filler nec k
!
CAUTION
D
10
10
10
30
30
10
12
14
16
1.
Do not operate tractor with horn sounding.
Horn will sound to warn of o
v
erheated engine or h
y
draulic system.
See instructions in operator
s
man
ual to pr
operl
y c
lean the radiator or oil cooler and c
h
ec
k fluid le
vels.
2.
When implement becomes c
log
g
ed,
disenga
g
e
po
wer and stop engine bef
o
re c
leaning.
3.
K
eep hands,
f
e
et and c
lothing a
w
a
y
fr
om po
wer driven mo
ving par
ts.
4.
Do not ride on mac
h
ine or allo
w passeng
er
s unless seat is pr
o
v
ided.
5.
K
eep all shields in place
.
6.
Stop engine f
o
r all ser
v
icing,
adjustments,
or fluid le
vel c
h
ang
e
s.
7.
Read man
ual thor
oughl
y bef
o
re operating mac
hine
.
8.
Do not shift between 2WD / 4WD while tractor is mo
ving
!
CA
UTION
10
20
30
40 0
AA
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z