BOOM RT9130E SERVICE MANUAL
4-40 Published 08-25-09, Control # 077-04
15. Slightly raise and/or lower the boom to help control the
swingaway. Using the rope attached to the tip of the
swingaway, swing the swingaway into place ahead of
the boom nose, engaging the anchor fittings with the
anchor lugs on the left side of the boom nose.
16. Install the short attach pin into the upper extension
anchor fitting and boom anchor lug on the left side of the
boom nose. Install retainer clip in attach pin.
17. Hammer the long attach pin in the lower extension
anchor fitting and boom anchor lug on the left side of the
boom nose. Install the retainer clip in the attach pin.
18. Extend and lower the boom until blocking can be placed
under the swingaway. Remove the rope from the tip of
the swingaway base.
19. Lower the swingaway onto the cribbing. Remove and
stow the pins securing the 11m section to the boom
nose.
20. Retract the boom, freeing the swingaway from the boom
nose.
Installation
1. Position the crane so the swingaway lies in front of the
crane with the swingaway base facing the crane. Fully
extend and set the outriggers.
2. Extend and lower the boom to engage the boom anchor
lugs and the extension anchor fittings.
3. Install the attach pins and retainer clips to secure the
11 m extension section to the boom nose. Attach a
length of rope to the extension tip. Raise the boom,
lifting the extension from the cribbing on which it was
resting. Retract the boom.
4. Remove the retainer clips from the attach pins on the left
side of the boom at the anchor fittings for the boom
extension. Hammer the pins out of the lower and upper
anchor lugs and anchor fitting. Install both attach pins
into holders on the base of the boom extension and
secure with retainer clips.
5. Raise and/or lower the boom to help control the 11 m
extension and using the rope attached to the tip of the
extension, swing the extension to the side of the boom.
6. Swing the 11m extension until it contacts the front
stowage bracket. Lift up on the lever and push the boom
extension until its mounting holes align with the
extension hanger pivot mounting holes on the main
boom (Detail A) (Figure 4-7). Pull downward on the lever
to insert the spring pin into its mounting holes. Make
sure the spring pin is secure and engaged properly
between the boom extension and main boom. Secure
the connection with retaining pin and clip pin.
7. Remove the retaining clips from the attaching pins at the
boom anchor lugs and extension anchor fittings on the
right side of the boom nose. Hammer the two attach pins
out of the attaching points and insert them into the
holders on the base of the boom extension, securing
them with retaining clip.
8. With the guide rail in the out position, push the 11m
extension onto the guide rail until it comes in contact
with all of the boom extension to main boom stowage
connections.
NOTE: If the 7m section (fly) remained on the boom
stowage brackets, perform steps 9 and 10, if not
skip to step 11.
9. At the rear stowage support bracket, insert the pins and
retaining pins stowed in the 7m section stowage lugs
and into the connection between the11 m extension and
7m section (fly) attaching fittings (Detail C) (Figure 4-7).
DANGER
When erecting the swingaway, ensure that all personnel
and equipment are kept clear of the swing path.
DANGER
Do not modify the attach points to permit the installation of
the attach pins.
DANGER
Make sure the connection between the boom 11 m
extension and the main boom extension stowage bracket
is engaged and secure before removing the attach pins on
the right hand side boom nose. This will prevent the boom
extension from falling.
DANGER
When stowing the swingaway, ensure that all personnel
and equipment are kept clear of the swing path.
CAUTION
Do not allow the swingaway to slam into the stowage
brackets when swinging into the stowed position.