CONTROL AND OPERATION
SECTION II
D. Apply the Maxibrakes by pushing the Maxibrake
button in.
Figure 2-9 illustrates the operation of the machine
2. Turn the upper ignition Key clockwise, past the detent,
when it is equipped with P&H winches, while Figure
to to start the engine. Do not hold the starter on for more
2-10 illustrates the operation of machines equipped
than 30 seconds at one time. If the engine does not start in
with Gearmatic winches. The operation these
this period of time, release the ignition key, and wait two
machines is different. Therefore, be sure you under-
minutes before attempting to start the engine again.
stand the operation of your machine before you
begin to operate it. The operation of both types of
winches is described in the topic Upper Control
3. Chuck all gauges, immediately after the engines starts, to
Identification.
be sure they are reading properly. If the readings are im-
proper, stop the engine immediately and determine the
STOPPING THE ENGINE. To stop the engine, proceed as
cause of the improper gauge reading before continuing
follows:
operation.
1. Make certain that all controls are in the neutral position,
and the swing brake is locked in the applied position.
4. Allow the engine to run at 800 to 1000 rpm for 4 to 6
Lower the boom onto the boom rest or to a horizontal
minutes or preferably until the water temperature reaches
position.
normal operating temperature before working the machine.
2. If possible, allow the engine to run at half speed or less
CRANE OPERATING CYCLE. The crane operating cycle
for several minutes before stopping the engine. This will
consists of six steps: setting the boom angle (boom hoist
allow the engine to cool down.
operation), setting the boom length (boom telescope opera-
3. Depress the Engine Stop Button to stop the engine.
tion), lifting the load (hoisting operation), swinging the
After the engine has stopped, place the ignition key in the
load, spotting the load, and lowering the load (See Figures
OFF position.
2-9 and 2-10).
2-12
