Komatsu GD755-5R Bedienungsanleitung

MOTOR GRADER

Field Assembly Instruction

GEN00113-00

GD755

-5R

SERIAL NUMBERS

10001

and up

CONTENTS

0000 Introduction (1/2) to (2/2) 1

0010 Preparation - Removal of parts on floor side (1/9) to (9/9) 3

0020 Preparation - Removal of exterior parts under floor (1/3) to (3/3) 12

0030 Preparation - Removal of floor mounting bolts 15

0040 Preparation - Removal of parts on cab side 16

0050 Installation of cab (1/5) to (5/5) 17

0060 Connections with chassis (1/5) to (5/5) 22

0070 Restoration of parts around floor (1/3) to (3/3) 27

0080 Check of each operation (1/2) to (2/2) 31

Introduction

1: Park the machine on a flat ground, lower the blade to the ground, and then start the work.

2: When selecting the parking place, consider the size and weight of the machine.

3: A space about 6 m high is necessary for installation of the cab.

4: Before starting the work, read this manual through.

* To remove the cab, perform the procedure in this manual in the reverse order.

Workflow Items in this manual

1: Removal of parts on floor side

2: Removal of exterior parts on floor side

3: Removal of floor mounting bolts

4: Removal of parts on cab side

5: Installation of cab

6: Connections with chassis

7: Restoration of parts around floor

8: Check of each operation

9: End of work

Q't

Name Q't

Others

Precautions

1 ×

2 ×

Tools to be used

Name

Introduction (1/2)

Facilities to be used

Assembly procedure

5 ×

NO.0000

3 ×

4 × 6 ×

D755-5R Installation procedure o

operator's cab

Overall length: 9,580 mm

Overall width: 2,800 mm

Wei

ht: 21

700 k

To top of steering post: 2,690 mm

(

when

ost is at max. hei

)

Cab height: 1,995 mm

Overall height: 3,515 mm

Cab weight: 860 kg

Installation

of cab

Removal

of cab

Scre

Q't

Name Q't

Others

Assembly procedure

5 ×

NO.0000

3 ×

4 × 6 ×

If it is necessary to replace any nut or bolt, always use a Komatsu genuine part of

the same size as the

art that was re

laced

Tools to be used

Name

Introduction (2/2)

Facilities to be usedPrecautions

1 ×

2 ×

M16 eyebolts 04530-11628 are necessary

for slinging (4 pcs.)

7.85 to 9.8 {0.8 to 1.0}

3.44 to 4.41 {0.35 to 0.45}

Nominal dia. a

Target value

3.9 {0.4}

8.8 ｛0.9｝

Allowable range Nm {kgm}

Nominal No.

Tightening

torque

54 to 88

{5.5 to 9.0}

1. Preparation on floor side

1) The machine is delivered under the following condition

)

Removal of floor ma

Q't

Name Q't

Others

Facilities to be used

Preparation - Removal of parts on floor side (1/9)

Assembly procedure

Tools to be used

5 ×

NO.0010

3 ×

4 × 6 ×

Name

Precautions

1 ×

2 ×

)

Removal of o

erator's sea

(1) Remove the four bolts and remove the operator's seat and its base together

01024-D1025 x4

Q't

Name Q't

Others

Name

Precautions

1 ×

2 ×

5 ×

NO.0010

3 ×

4 × 6 ×

Facilities to be used

Preparation - Removal of parts on floor side (2/9)

Assembly procedure

Tools to be used

Operator's seat

Weight: 35 kg

4) Removal of accessory case

01225-70616 x

23S-55-51970 x

5) Removal of KOMTRAX (if equipped)

(1) Remove the top cover of the KOMTRAX.

01024-81020 x

Q't

Name Q't

Others

Facilities to be used

Preparation - Removal of parts on floor side (3/9)

Assembly procedure

Tools to be used

5 ×

NO.0010

3 ×

4 × 6 ×

Name

Precautions

1 ×

2 ×

(2) Remove the left side cover.

01024-81020 x

01024-D1025 x2

01024-81020 x

Q't

Name Q't

Others

Precautions

1 ×

2 ×

Facilities to be used

Preparation - Removal of parts on floor side (4/9)

(3) Disconnect the KOMTRAX connector (under the additional heater) a

shown below.

Assembly procedure

Tools to be used

Note) The engine does not star

while this connector is

disconnected.

5 ×

NO.0010

3 ×

4 × 6 ×

Name

Disconnect

connector CN-KM1

(4) Remove the three bracket bolts of the KOMTRAX base.

01024-D1225 x2

01024-D1020 x1

01024-D1020 x2

Q't

Name Q't

Others

5 ×

NO.0010

3 ×

4 × 6 ×

Tools to be used

Name

Facilities to be used

Preparation - Removal of parts on floor side (5/9)

(5) Remove the additional heater vent and plate together as shown at right below

and then remove the KOMTRAX unit, bracket, and wirin

harness to

ether

Assembly procedure

Precautions

1 ×

2 ×

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