blocks, or other defect.
(5) Reassemble boom and components by
reversing procedure in steps (1) through (4) above.
Repair by welding cracks or breaks,
straightening bends, and replacing worn or defective
c. Cleaning, Inspection and Repair.
Clean all parts with an approved
Install backhoe boom by
cleaning solvent and dry thoroughly.
reversing procedures in a above.
Visually inspect all parts for cracks,
breaks, bends, scored or worn bearings, worn bumper
Section IV. PILEDRIVER FRONT END ATTACHMENT
(8) Install pile hammer, pile cap, and pile
10 foot boom section inserted between base and point
sections, pile leads, hangers, catwalk, adapters,
hammer, cap, and collar to
hammer, pile cap, pile collar, and special cables for
ground, then perform preventive maintenance checks
b. Removal. When piledriver front end attachment
Caution : Crane-shovel unit must be level
is to be removed and stored so that crane-shovel unit
when using piledriver attachment.
If it is
may be converted for other use, proceed as follows:
impracticable to grade site level, timbers must be
(1) Move piledriver unit to a suitable area for
used to level the unit.
storage, then remove collar, cap, and hammer (para
4-33. Piledriver Front End Attachment
a. Installation. Assuming the shovel front end
(3) When shovel or backhoe front end
attachment has been installed, proceed as follows:
attachment is to be installed, remove crane boom (para
(1) Remove shovel front end attachment
When crane, clamshell, or
(2) Remove shovel cables from drums (para.
dragline front end attachment is to be installed,
3-43) remove shovel sprocket and planetary pinion gear
disregard step (3) above and proceed as in step (4)
reposition planetary clutch band to crane configuration
referal to appropriate paragraph, install lagging and
3-43) and wind boom hoist, pile handling, and hammer
cables on drums.
Caution : When it is intended to store any
(4) Move crane-shovel unit into position to
removed front end attachment for a considerable
install boom, similar to that shown in figure 2-6, connect
period of time, all components must be lubricated in
accordance with lubricating order (LO 5-3810-201-
allow cribbing to be removed. Remove cribbing, then
elements during period of storage.
(6) Reeve hammer and pile handling cables
4-34. Pile Lead Hangers
keep looped end in reach, then guide hammer cable
from pile lead.
b. Cleaning, Inspection and Repair.
leads are suspended vertically (fig. 2-14) with bottom of
(1) Clean all parts in an approved cleaning
leads touching the ground.
solvent and dry thoroughly.
Caution: Do not drag bottom of leads
(2) Visually inspect hangers for cracks,
on ground by raising boom without traveling crane
shovel unit, and avoid damage to the leads.