Manitowoc National Crane 1300A Service And Maintenance Manual

SWING 1300A
6-14 01-22-2019 Control # 051-08
Slew Potentiometer Adjustment
1. Rotate the turret over the front and set the swing brake.
2. Set the RCL console to read slewing angle as follows:
NOTE 1: Refer to the PAT Rated Capacity Limiter Service
Manual for detailed instructions.
a. Complete the RCL console setup according to the
crane’s current operating configuration.
b. Press limits RCL.
c. Press the OK button.
d. Toggle down to SLEW and press the ok button to
display the slew angle work area definition limits.
3. Remove the electrical swivel cover.
4. Release the swing brake. Swing the turret about 10° to
the right (clockwise). Slowly swing back to over the front
and set the swing brake.
NOTE: If the turret swings past the over the front position,
step 4 must be repeated.
5. Loosen the three screws that secure the slew
potentiometer to the mounting plate.
6. Rotate the body of the slew potentiometer until the slew
angle indicates 0.6° ± 0.1°.
7. Tighten the three screws to secure the slew
potentiometer to the mounting plate. Install the electrical
swivel cover.
8. Disengage the swing brake and swing approximately
10° to the left (counterclockwise). Slowly swing back to
over the front and set the swing brake.
NOTE: If the turret swings past the house lock pin engaged
position, step 8 must be repeated.
9. If the angle indicated on the console does not exceed
± 1.0°, proceed to step 10. If the indicated angle
exceeds ± 1.0°, return to step 4.
10. Release the swing brake and swing approximately 10°
to the right (clockwise). Slowly swing back to over the
front and set the swing brake.
NOTE: If the Turret swings past the over the front position,
step 10 must be repeated.
11. If the angle indicated on the console does not exceed
± 1.0°, proceed to step 12. If the indicated angle
exceeds ± 1.0°, return to step 3.
12. Release the swing brake and swing approximately 10°
to the left (counterclockwise). Slowly swing back to over
the front and set the swing brake.
Testing
Activate the crane and check for proper function.
NOTE: If the turret does not turn freely after bearing and
pinion replacement, contact your local National
Crane distributor.
FIGURE 6-11
Electrical
Swivel Cover
Slew
Potentiometer

Manitowoc National Crane 1300A Specifications

General

Brand	Manitowoc
Model	National Crane 1300A
Category	Construction Equipment
Language	English