OPERATING CONTROLS AND PROCEDURES MLC90A-1/MLC100-1 OPERATOR MANUAL
3-36
Published 12-10-19, Control # 258-05
NOTE You will not be able to increase engine speed until
the hydraulic oil temperature is warmed to at least
7°C (45°F).
The hydraulic oil temperature fault will
remain on until the hydraulic oil
temperature is 7°C (45°F). There will
be no throttle response until this
fault is cleared.
9. Once the engine starts, the following will occur:
• The Working Screen shown in Figure 3-8
will
appear in the Main Display.
See the Main Display Operation Manual for detailed
instructions on what is displayed in the Working
Screen.
• The Confirmation Screen will appear in the RCL/
RCI Display. You must either confirm the current
configuration or select a new configuration.
See the RCL/RCI Operation Manual for detailed
instructions.
10. Once the engine starts, it is normal for faults to appear in
the Alerts Bar of the Main Display Working Screen. The
faults should go away as soon as the engine oil pressure
and the hydraulic oil temperature rise to normal.
See the Main Display Operation Manual for fault
identification,
11. Warm up the drum circuits during cold weather. To
ensure proper operation of the drums after cold weather
startup, slowly operate them in both directions (up and
down) several times to flush the control circuits with
warm oil.
12. If equipped/required, turn on the work lights. See AC
Power Supply on page 3-54.
Figure 3-8. Main Display Working Screen
Figure 3-9. RCL/RCI Confirmation Screen
CAUTION
Machinery Damage
Do not operate the crane while faults exist. If the faults do
not go away soon after the engine is started, or if any
faults come on during operation, immediately proceed as
follows:
• Determine fault in the Main Display Working Screen
• Land loads, if possible, and park all functions
• Move all control handles to off
• Stop engine
• Correct cause of fault
WARNING
Falling Load Hazard!
Faulty drum operation and possible uncontrolled lowering
of the loads can occur if the following step is not
performed.