Assembly Of Blade - Komatsu D155A-6 Assembly Instruction Manual

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Assembly process No.
A-3
1. Sling blade (1), place wooden blocks and a
hydraulic jack
under it, and set it stably and securely.
Weight of blade : 3,200 kg (SIGMADOZER)
2. Scratch the paint off the ball joint and clean the
ball joint.
3. Sling center arm (2) and tighten cap mounting bolts (3) and (4) temporarily without inserting a shim
(to eliminate the clearance on the ball joint in the axial direction), and then insert shims so that
dimension A will be + 0.2 to 0.5 mm.
(Secure a clearance of 0.2 – 0.5 mm on the ball joint in the axial direction.)
Tighten the bolts to the specified torque and check that the ball joint moves smoothly.
a Standard thickness of shim: 4.5 mm
Weight of center arm: 250 kg
(3) Part No. of bolt
(4) Part No. of washer
Length of bolt
Tightening torque
Precautions
3,500 kg (Semi U)
01011 – 83335
01643 – 33380
135 mm
1,961 – 2,451.7 Nm
{200 – 250 kgm}

Assembly of blade (1/6)

a Set wooden blocks under the center arm to the
height of the straight frame.
Necessary tools
Name
ø20 × 5,000 wire
BC36 shackle
300 × 400 wooden block
50 × 3,000 nylon sling
KW45F impact wrench
SP extension, L300
M50 SP socket
Other remarks
22
1
4
3
Necessary equipment
Q'ty
Name
2
25 t crane
2
4
2
1
1
1
2
Q'ty
1

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