push-down type lever, that engages or disengages
turn lever to neutral position to set boom hoist brake and
hold boom in new position.
engine from machinery. Pull up to engage. Push down
to disengage.
am. Boom Hoist Hydraulic Control Handle. This
Note
handle (fig. 2-23) must be squeezed toward boom hoist
clutch lever to close the pressure retaining valve
There is an auxiliary clutch lever
connected to boom hoist hydraulic line and lock hoist.
mounted on power take-off housing
Clutch lever can then be pumped (moved to and from
that operator may use in the event
operator more than once), to engage boom hoist clutch
the engine clutch lever does not
more firmly on the drum.
function properly.
an. Boom Angle (Radius) Indicator. This indicator
model 687C-18-ES (view A), D333TA (view B) is used
foot of crane boom, and is used in conjunction with
as starting aid in temperatures below -40'F, or after a
capacity plate mounted on right cab panel directly
prolonged idle period. Releasing plunger and pumping
behind cab door, to determine crane safety capacity at
in and out a few strokes, fills fuel filter and lines, so that
any given boom length, or angle.
fuel transfer pumps will be able to instantly send fuel to
injectors.
located at lower left rear of operator's seat between
swing lock lever and cab left side panel, is a pull-up,
Section IV. OPERATION UNDER USUAL CONDITIONS
Caution
2-9. General
When engine fails to start on third
a. The instructions in this section are published for
try, let starter rest for several
the information and guidance of personnel responsible
minutes, then repeat step (a).
for operation of the craneshovel.
(c) After engine starts, insure that there is
b. The operator must know how to perform every
sufficient oil pressure to turn off low oil pressure warning
operation of which the crane-shovel is capable. This
light (fig. 2-22). If light does not go out within 15
section gives instructions on starting and stopping the
seconds, stop engine (para 2-11) and determine
crane-shovel, operation of the crane-shovel, and on
cause(s).
Report deficiencies to organizational
coordinating the basic motions to perform the specific
maintenance personnel.
tasks for which the equipment is designed. Since nearly
every job presents a different problem, the operator may
have to vary given procedures to fit the individual job.
(2) Model D333TA.
(a) When starting at an ambient
2-10. Starting the Engine
temperature below + 60 , turn heat-start switch (para
F
a. Preparation for Starting.
(1) Perform required preventive maintenance
temperature, then move switch to START for 10
checks and services (para 36).
seconds, or until engine starts. As soon as engine
starts, move switch to HEAT position until engine is
(2) Insure that all brakes are set (para 2-8)
running smoothly.
and that engine clutch lever (fig. 2-24 and para 2-28) is
disengaged.
(b) If engine does not start after 10
seconds of cranking, repeat step (a) above.
(3) Position engine throttle control lever at
half throttle, and move run-shutdown switch (fig. 2-22)
(c) When engine fails to start on
from shutdown to ON.
second try, let starter rest for at least three minutes,
then repeat step (a) above.
(4) If engine has not been run for several
days, prime fuel system with primer pump (fig. 2-28).
Table 2-1. Use of Cold Weather Starting Aids
b. Starting.
Ambient
Glow plug Use ether injection
(1) Model 687C-18-ES.
temperature
beat time as Indicated below
(a) Depress start push switch (fig. 2-
Above +60 F
None
No
22) for 15 seconds or until engine starts, then release
Between +60 F and +32 F
One minute
No
switch.
Between +32 F and +20 F
Two minutes
Yes
(b) If engine does not start within 15
*Between +20 F and 0 F
Two minutes
Yes
seconds, let starter rest while fuel system is reprimed,
*Below F
Yes
then repeat step (a) above.
Non-winterized units will require preheating of crankcase oil
and coolant at these temperatures.
2-28
