TM 9-2590-209-14&P
(19) Fold pushbeams over back of blade
(1)
(10) Install pins, locks, lockwashers, and
assembly.
screws (view C).
(20) Remove hoist chain.
(11) Position outer tilt arms in hull mounting
brackets (view B).
c. Disassembly (Fig 10-11). Remove screws,
(12) Position left and right outer tilt arm
lockwashers, locks, pins, bolts, nuts, and cotter pins
retaining caps (view B).
securing outer tilt arms, inner tilt arms, and pushbeams
to blade assembly.
(13) Install the upper two screws and
d. Assembly (Fig 10-11). Position outer tilt
lockwashers securing left and right outer tilt arm retaining
caps to mounting bracket (view B).
arms, inner tilt arms, and pushbeams to blade assembly
(14) Raise blade assembly to stowed
and secure with screws, lockwashers, locks, pins, nuts,
position.
and cotter pins.
(15) Install the lower two screws and
e.
Installation (Fig 10-10).
lockwashers securing left and right outer tilt arm retaining
caps to mounting brackets (view B).
(1) Place blade assembly on ground, face
down with cutting edge towards and parallel to the front
(16) Remove' hoisting chains from lifting
of the vehicle.
eyes on top edge of blade assembly (view A).
(2) Attach hoist chains to lifting eyes on
top of blade assembly.
10-24. Maintenance of Pushbeam.
(3) Unfold
pushbeams
until
extended
a. Description. The pushbeams are located
toward vehicle.
between the vehicle and the blade assembly. The ram
assembly is attached to the pushbeam; up-and-down
(4) Lift with chain hoist until connecting
motion on the pushbeams causes the blade assembly to
ends of pushbeams are positioned at same height from
be raised or lowered.
ground as mounting brackets on hull.
b.
Removal (Fig 10-12).
(5) Move vehicle
forward
to
position
brackets in pushbeams.
NOTE
(6) Install pins and secure with nuts, and
Procedures for both left and right sides
cotter pins (view E).
are the same.
(7) Install ram arm locks (left and right),
(1) Lower blade assembly to rest on
and secure with pivot pins, screws, and lockwashers
ground.
(view D).
WARNING
(8) Activate hydraulics and raise bottom
edge of blade assembly off ground 3 to 4 inches. Apply
Before removing pin, support weight of
lifting power using chain hoist, to tilt blade assembly
pushbeam with a floor jack or wood
toward a vertical position.
Block.
(9) Insert crowbar and apply leverage to
raise inner tilt aims (left and right) to mounting position
on hull mounting brackets (view C).
10-19