National Crane Published 12-21-2011 CTRL #050-09 4-3
1300A OPERATOR’S MANUAL SET-UP
Also, on manually extendable jib options:
1. Extension retaining pin, E, must always be installed
when operating.
2. All swing around (stow and unstowing) operations shall
be done with jib retracted and pinned.
3. Extendable section may slide out of 1
st
section jib when
pin, E, is removed. Keep personnel clear of area.
SIDE FOLDING-SWING AROUND JIB
OPERATION
Deployment Procedure
1. Using boom telescope function, fully retract boom.
2. Using lift function, lower boom so that jib deployment
pins C1 and C2 are easily accessible from the ground.
NOTE: When lowering the boom below horizontal, two
persons may be required. With the telescope
control in neutral, the boom may creep out when
below horizontal.
3. Install pins C1 in upper and lower jib ears. Install retainer
spring clips. These pins are used as a pivot point to
swing jib into the deployed position.
4. Locate the stowed position of pins C2. If in jib
attachment holes or boom sheave case jib holes,
remove pins from storage location.
5. Remove jib swing Pin B from top ear of jib.
6. Remove stow Pin A from ramp/side stow bracket
assembly on jib and stow in Stow Loop D and install
spring clip.
7. Attach tag line to sheave case end of jib.
8. Using the lift function, raise the boom to the horizontal
position.
9. Using telescope function, slowly extend boom
approximately one foot. This procedure will pull the jib
out of the side stow bracket.
Reference Only
To Next Page
Loading...
Need help?
General
