Allied Systems LONG REACH CCHA Panduan Pemeliharaan dan Servis Instalasi - Halaman 14
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Halaman Cetak5.1 Attachment Removal
1. Position the attachment arms to the width of the
unit's body. Turn off lift truck. Relieve pressure in
the hydraulic circuit to the attachment by cycling
the lever back and forth several times.
WARNING
Crush hazard.
Serious injury could result if residual
hydraulic pressure causes equipment to
drift during service procedures.
Cycle the hydraulic circuit as described
above to relieve all system pressure.
2. Slightly raise the truck carriage to remove the bottom
mounting hooks.
3. Position the attachment on the edge of a pallet.
Lower the attachment so that the lower carriage
bar misses the pallet when lowered. Tilt the mast
forward to allow the carriage to disengage from the
upper mounting hooks and back away. If lowering
onto a floor, blocks of wood can be place under the
body of the attachment to raise the rear.
4. To reinstall, follow the installation procedure in this
manual.
Notice
Equipment damage and loss of perfor-
mance could result if air is trapped in the
hydraulic system.
Activate the hydraulic functions several
times after hydraulic service has been
performed, to bleed trapped air out of the
system before returning attachment to
service.
5.2 Arm Removal
1. Extend the arms outside the body. Remove the hair pin
and cotter pin from the rod end of the cylinder. (Figure
5-1)
14
SECTION 5 SERVICE PROCEDURE
Clevis Pin
Arm
Weldment
Hair
Pin
Cylinder
Figure 5-1, Arm/Cylinder
2. Tie the cylinder up to support the weight when
removed from the arm lug. Activate the hydraulics
and retract the cylinder from the arm lug.
3. Attach a suitable overhead hoist to the arm weld-
ment. Pull the arm assembly out of the body.
5.3 Arm Installation
1. Attach a suitable overhead hoist to the arm weld-
ment. Line up the slide bar with the body channel
and slide into place.
2. Activate the hydraulics and extend the cylinder rod
out until it is at the arm lug. Insert the clevis pin and
hair pin.
5.4 Cylinder Removal
1. Remove the cylinder rod end cotter pin and clevis
pin.
2. Disconnect the hydraulic connections.
3. Remove cotter pin and clevis pin at the base end
of the cylinder.
5.5 Cylinder Installation
1. Install the clevis pin and cotter pin into the base end
of the cylinder.
2. Attach the hydraulic connections to the cylinder.
3. Extend the cylinder until the rod end hole lines up
with the mounting hole. Install the clevis pin and
cotter pin into the rod end of the cylinder.
45-034, REV. 5/18