OPERATING CONTROLS AND PROCEDURES 16000 OPERATOR MANUAL
3-32
Published 05-09-17, Control # 011-29
OPERATION
Engine Startup
Read and understand starting instructions in Engine
Operation and Maintenance Manual provided with the crane.
1. If used, unplug or turn off engine block heater, engine oil
pan heater, hydraulic tank heaters and any other crane
heaters.
NOTE: Manitowoc recommends the use of heaters
(engine, hydraulic tank, etc.) to aid startup when
the ambient temperature will be 32°F (0°C) and
below.
2. Open hydraulic tank shutoff valve at rear of hydraulic
tank (see Figure 3-16
).
3. Turn ignition switch to RUN position.
NOTE: All indicator lights, operating limit buzzer, and
system fault beeper should come on for two to
three seconds when ignition switch is in RUN
position; if not, replace defective parts.
4. If necessary in cold weather, disengage engine clutch as
shown in Figure 3-17
. This step will disconnect the
pumps from the engine and aid in cold weather startup.
5. Turn ignition switch to START.
FIGURE 3-16
Past Production
Hydraulic Tank Shutoff
Valve Shown CLOSED
Pull Ring Out
to Unlock
P2234
OPEN
Past Production
OPEN
P2342a
Pull Knob Out
to Unlock
Hydraulic Tank Shutoff
Valve Shown CLOSED
OPEN
Shutoff Valve
Shown CLOSED
Current Production
Top of Hydraulic Tank
FIGURE 3-17
Middle of Right Side Enclosure
P2290
Engine Clutch
Lever
Disengage
Engage
CAUTION
Pump Damage!
Do not start engine until hydraulic tank shutoff valve is
open; otherwise, pumps could cavitate and be damaged.
CAUTION
Avoid Engine Clutch Damage!
Observe the following precautions for engine clutch:
• Decrease engine speed to idle before engaging or
disengaging clutch.
• Do not run engine longer than twenty minutes with
clutch disengaged.
• Disengage and engage clutch several times monthly
with engine running.
CAUTION
Starter Motor Damage!
If engine does not start after 30 seconds of cranking, wait
a few minutes so starter motor cools before trying again.
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