b. Starting.
requires use of an ether starting aid; and on winterized
models, heaters are used to warm engine coolant, oil,
(1) Model 687C-18-ES.
and batteries. For operating instructions on use of cold
weather starting aids, refer to paragraph 2-25.
for 15 seconds or until engine starts, then release
switch.
2-11. Stopping the Engine
(b) If engine does not start within 15
a. Preparation for Stopping.
seconds, let starter rest while fuel system is re-primed,
(1) Lower load until it rests on ground.
then repeat step (a) above.
(2) Apply swing and propel brakes and lock
Caution: When engine fails to start on
with hydraulic control levers (para 2-8).
third try, let starter rest for several minutes, then
(3) Disengage engine clutch lever (fig. 2-24).
repeat step (a).
(4) Move engine throttle control lever to closed
(c) After engine starts, insure that there is
position (fig. 2-24) and allow engine to idle for 5 to 10
sufficient oil pressure to turn off low oil pressure warning
minutes.
light (fig. 2-22). If light does not go out within 15
b. Stopping the Engine.
seconds, stop engine (para 2-11) and determine
(1) Pull the manual engine shutoff control (fig.
cause(s).
Report deficiencies to organizational
maintenance personnel.
push shutoff control in.
(2) Model D333TA.
(2) Move RUN-SHUTDOWN switch (fig. 2-22)
(a) When starting at an ambient
to SHUTDOWN.
temperature below + 600 F, turn heat-start switch (para
(3) Turn all light switches OFF (fig. 2-24).
(4) Perform preventive maintenance checks
temperature, then move switch to START for 10
and services (para 3-6).
seconds, or until engine starts. As soon as engine
Warning:
Be sure that dipper; bucket;
starts, move switch to HEAT position until engine is
clamshell; hammer, or crane load is lowered to
running smoothly.
ground when halting operations, or leaving the
(b) If engine does not start after 10
crane-shovel. After brake drums cool, brakes may
seconds of cranking, repeat step (a) above.
slip and allow load to fall. Injury or death, and
(c) When engine fails to start on second
try, let starter rest for at least three minutes, then repeat
damage to equipment, could occur should this
step (a)above.
warning be ignored.
Table 2-1. Use of Cold Weather Starting Aids.
Ambient
Glow plug heat
Use ether
2-12. Operation of Equipment
temperature
time
injection as
a. General. This paragraph will describe all modes
indicated below
of operation, assuming that operator has inspected and
None
No
Above +60 F
serviced the machinery; the craneshovel is at an
One minute
No
Between +60 F
operational site; the engine has been started (para 2-
and +32 F
Two minutes
Between +32 F
Yes
operating temperature, and the crane-shovel is ready to
and +20 F
begin the assigned task(s).
*Between +20 F
Two minutes
Yes
b. Swinging.
and 0 F
Caution :
If work requires repeated short
*Below 0 F
Two minutes
Yes
swings, make one complete (360) swing to right
*Non-winterized units will require preheating of
every hour, to prevent excessive wear on rollers of
crankcase oil and coolant at these temperatures.
turntable roller circle.
(1) Raise load from its resting place by pulling
(d) After engine starts, turn HEATSTART
hoist clutch and propel brake lever (fig. 2-23) toward
switch to HEAT until engine runs smoothly; insure that
operator, and at same time release hoist brake pedal.
there is enough oil pressure to turn off low oil pressure
When load is at proper height, return hoist lever to
warning light (fig. 2-22). If light does not go out within
neutral and apply hoist brake pedal to hold load in
15 seconds, stop engine (para 2-11) and determine
position.
causes(s).
Report deficiencies to organizational
(2) Remove swing lock lever wedge (fig. 2-24),
maintenance personnel.
pull swing lock lever back to disengaged position, then
Caution: Do not turn HEAT-START switch to
install wedge behind lever to prevent accidental
HEAT while the engine is warm and running.
movement of swing lock lever.
c. Cold Weather Starting.
Starting the diesel
engine at ambient temperatures of +40 F or lower
2-31
