CONTROLS AND OPERATION
D. Voltmeter. The voltmeter measures the voltage pro-
5. MAIN WINCH LEVER. This lever controls the operation
duced by the alternator and indicates the condition
of the main winch. The operation of the main winch is
identical to that Of the auxiliary winch.
of the battery. See Figure 2-2 for an explanation of
6. BOOM HOIST LEVER AND PEDAL. Push this lover (or
padal) forward to lower the boom. Pull this lever (or pedal)
10. IGNITION INDICATOR. This lamp is illuminated
whenever the ignition switch is In the ON position. If the
to raise the boom.
lamp remains lit after the upper ignition switch is pIaced in
7. SWING BRAKE PEDAL. Depress this pedal to apply the
the OFF position, the carrier ignition switch is still in the
swing brake. Allow the pedal to return to the free position
ON position, and must be placed in the OFF position to
to release the swing brake.
shut down the ignition system.
11. ENGINE STOP BUTTON. Depress this button to shut
down the engine. After the engine has stopped, place the
This brake iS to be used primarily as a holding brake.
ignition switch in the OFF position.
Movement of the upper should be slowed by plugging
the swing lever before the swing brake pedal is de-
12. IGNITION KEY. The ignition key has three positions.
Starting from the vertical position they are, OFF, ON, and
8. ACCELERATOR. Depress this pedal to increase engine
speed. Let up on the padal to decrease engine speed. Engine
13. TEMPERATURE GAUGE. This gauge measures hy-
draulic oil temperature. The oil should be warmed to 70°
speed will return to low idle speed when no pressure is
F. (21° C) before operating the machine, and should not be
applied to this pedal, unless the engine idle speed has been
allowed to exceed 200° F. (93°C) during operation.
preset to a higher speed by means of the Hand Throttle.
14. WINDSHIELD WIPER SWITCH. Turn this switch
clockwise, to the detent, to operate the upper windshield
wiper at slow speed. Turn the switch past the detent to
The Throttle Selector Valve in the carrier cab must be
operate the wiper at high speed.
in the UPPER position to allow the accelerator to
control the engine.
15. MAIN WINCH SPEED SELECTOR SWITCH. Place this
switch in the HI position to operate the main winch at high
9. GAUGE GROUP. The gauge group contains the fol-
speed. Place the switch in the LO position to operate the
winch at low speed.
A. Engine Oil Pressure Gauge. This gauge should read
between 40 and 60 psi (2.75 - 4.14 BARS) during
The winch is only capable of producing approxi-
mately 50% of the maximum line pull when the
Speed Selector Switch is in the HI position. Be sure
the switch is in the appropriate position for the load
Be sure that engine oil pressure reaches the normal
operating range within 15 seconds after starting the
16. AUXILIARY WINCH SPEED SELECTOR SWITCH.
engine. If it does not, stop the engine and correct the
This switch controls the speed of the auxiliary winch. Its
cause of the pressure failure before restarting the
operation is identical to that of the main winch speed selec-
B. Fuel Gauge. This gauge shows the amount of fuel
17. OUTRIGGER CONTROL SWITCHES. These switches
remaining in the fuel tank.
control the operation of the outrigger. The operation of
the outriggers, from the upper cab, is identical to the opera-
C. Engine Water Temperature Gauge. This gauge shows
tion from the carrier, except that all outriggers can be con-
the temperature of the engine coolant. The gauge
trolled from the upper cab. Refer to the topic Outriggers
should read between 160 and 185° F. (71 - 85° C)
Operation for instructions on extending or retracting the
during normal operation.