National Crane
PUBLISHED 04-26-2019 CONTROL # 113-09
3-3
600E2 OPERATOR MANUAL
OPERATING CONTROLS AND PROCEDURES
3
All crane models, particularly those produced since 2000,
have multiple computer systems (crane control, RCL, engine
& transmission control) that are highly susceptible to voltage/
amperage surges in the electrical system.
The batteries should be completely disconnected from the
crane electrical system and charged using a battery charger
of appropriate voltage level or replace the batteries with fully
charged batteries. Refer to
CHARGING THE BATTERY
When charging the batteries, do not turn on the battery
charger until the charging leads have been connected to the
battery(s). Also, if the battery(s) are found to be frozen, do
not attempt to charge them. Remove the battery(s) from the
crane, allow them to thaw, and then charge the battery(s) to
full capacity.
“Slow charging” is preferred to “fast charging”. Fast charging
saves time but risks overheating the battery(s). Slow
charging at six (6) amps or less develops less heat inside the
battery and breaks up the sulfate on the battery plates more
efficiently to bring the battery up to full charge. The use of a
“smart charger” that automatically adjusts the charging
amperage rate should be used.
CRANE CONTROLS
The crane is equipped with control stations on each side of
the main frame. Decals on the control knobs or next to the
lever indicate the direction to actuate the controls for the
various unit functions. Each station is complete and provides
complete control of boom rotation, boom elevation, boom
extension, hoist, outriggers, engine foot throttle, the engine
emergency stop switch, and a horn switch. All control
handles except the outrigger controls are positioned in the
same order at both control stations.
Turn
Operate the turn control lever to RIGHT to rotate the boom in
a clockwise direction as viewed from the top of the crane.
Operate the turn control lever to LEFT to rotate the boom in a
counterclockwise direction as viewed from the top on the
crane.
For cranes NOT equipped with continuous rotation, a
mechanical rotation stop pulls the turn control lever back to
the center position when engaged. Boom rotation is stopped
over the front of the chassis. On rear mounted cranes NOT
equipped with continuous rotation, rotate the boom over the
passenger side of the chassis when stowing and unstowing
to prevent immediate contact with the mechanical rotation
stop.
Swing Speed Adjustment
Located on turn motor inside frame. Turn knob in to increase
maximum swing speed. Turn knob out to decrease maximum
swing speed.
Boom
Operate the lever to
DOWN
to lower the boom. Operate the
lever to
UP
to raise the boom.
Boom Telescope
Operate the lever to
OUT
to extend the boom. Operate the
lever to I
N
to retract the boom.
Hoist
Operate the lever to
DOWN
to payout and lower the loadline.
Operate the lever to
UP
to reel in and raise the loadline.
Refer to hoist system operation section for additional
information
Stabilizers Up/Down
Operate the lever to
DOWN
to lower and
UP
to raise.
Stabilizers Extend/Retract
Operate the lever to extend to move beams out and to retract
to move beams in.
Outriggers
Operate the lever to up to raise the outrigger legs. Operate
the lever to down to lower the outrigger legs.
Foot Throttle
Depress the foot throttle to accelerate the truck engine
speed. Release to return to idle speed. Increasing truck
speed increases operating speed.
Emergency Stop Switch
Operate the switch to kill the truck engine under emergency
conditions. Switch must be reset to the “on” position to
operate truck from cab.
Horn
Operate horn button to warn fellow workers on construction
site of pending movement of crane.
DANGER
Payout loadline before extending boom. Failure to do so
will cause the loadline to break or damage the crane.
Fo
r
Reference
Only
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