SECTION II
CONTROLS AND OPERATION
25.
LEFT DRUM BRAKE SWITCH
ENGINE SPEED CONTROL
01.
26.
RIGHT DRUM BRAKE SWITCH
SWING CONTROL LEVER
02.
27.
PANEL LIGHT
SWING BRAKE CONTROL SWITCH
03.
28.
DOME LIGHT
RIGHT DRUM BRAKE PEDAL
04.
29.
TOP WIPER SWITCH
LEFT DRUM BRAKE PEDAL
05.
30.
WINDSHIELD WIPER SWITCH
LEFT DRUM CONTROL LEVER
06.
31.
HEATER CONTROL
LEFT DRUM TURN INDICATOR
07.
32.
DEFROSTER FAN SWITCH
RIGHT DRUM CONTROL LEVER
08.
33.
LOAD WEIGHING SYSTEM
RIGHT DRUM TURN INDICATOR
09.
10.
SIGNAL HORN BUTTON
34.
ENGINE FAULT WARNING LIGHT
11.
BOOM HOIST CONTROL LEVER
35.
ENGINE OIL PRESSURE GAUGE
12.
PROPEL CONTROL LEVER
36.
ENGINE WATER TEMPERATURE GAUGE
13.
PROPEL LOCK SWITCH
37.
14.
OPERATOR'S SEAT WITH SEAT BELT
THIRD DRUM CONTROL LEVER
15.
38.
FUEL GAUGE
16.
HOURMETER/TACHOMETER
39.
TORQUE CONVERTER TEMPERATURE GAUGE
17.
IGNITION AND START SWITCH
40.
TORQUE CONVERTER CHARGE PRESSURE GAUGE
STARTING AID BUTTON
18.
41.
HYDRAULIC SYSTEM PRESSURE GAUGE
19.
PANEL LIGHT SWITCH
42.
DIPPER TRIP CONTROL
20.
CLUTCH ENGAGE LIGHT
43.
21.
ENGINE CLUTCH SWITCH
LEVEL
44.
22.
BOOM HOIST RELEASE SWITCH
45.
SWING LOCK SWITCH
23.
LEFT DRUM PAWL SWITCH
46.
FLOODLIGHT CONTROLS
24.
RIGHT DRUM PAWL SWITCH
47.
TROUBLE LIGHT
beyond the normal operating limits. Depress and hold this
switch, to override the boom hoist limit switch. and lower
cates the total number of hours the engine has been run.
the boom. While this switch is depressed the signal horn
will sound.
17. IGNITION AND START SWITCH. Rotate the key clock-
wise to energize the machine's electrical system. Turn the
key against the spring resistance to engage the engine
starter. Turn the key counterclockwise to de-energize the
electrical components and shut down the engine. The key
Do not use this switch to override the boom
must be returned to the OFF position before attempting a re-
hoist limit switch to allow the boom to be
start.
raised beyond the normal operating limits. This
18. STARTING AID BUTTON. The engine starting aid is
is an extremely dangerous operating proce-
used to assist in cold weather starting. Depress this button
dure, since the boom could be raised to the
to provide a shot of ether for cold weather starting,
point where the boom will topple over the back
of the machine.
19. PANEL LIGHT SWITCH. Rotate this switch clockwise to
illuminate the panel light. Control the brightness of the light
by rotating the switch clockwise or counterclockwise as de-
23. LEFT DRUM PAWL SWITCH. Move this switch toward
sired.
the operator (ON) to engage the safety stop pawl into the
20. CLUTCH ENGAGE LIGHT. This green light will be lit
drum teeth of the left drum. Push the left drum control lever
when the engine clutch is engaged.
forward momentarily to lock the pawl into the drum teeth.
To release the pawl move the switch to the OFF position
21. ENGINE CLUTCH SWITCH. Move this switch toward
then pull the left drum control lever toward the operator
the operator to engage the engine clutch. Push this switch
until the drum turns, which allows the pawl to disengage
away from the operator to disengage the engine clutch.
from the drum teeth.
24. RIGHT DRUM PAWL SWITCH. Move this switch toward
NOTE
the operator (ON) to engage the safety stop pawl into the
drum teeth of the right drum. Push the right drum control
The engine clutch switch must be in the disengaged
lever forward momentarily to lock the pawl into the drum
position in order to start the engine.
teeth. To release the pawl, move the switch to the OFF
position then pull the right drum control lever toward the
operator until the drum turns, which allows the pawl to
22. BOOM HOIST RELEASE SWITCH. This switch is used
disengage from the drum teeth.
to override the boom hoist limit switch, if the boom is lifted
2-3