Pc 400 komatsu manual

SEBM033000

MACHINE MODEL PC400-7 PC400LC-7 PC450-7 PC450LC-7

SERIAL No. 50001 and up 50001 and up 20001 and up 20001 and up

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This shop manual may contain attachments and optional equipment that are not available in your area. Please consult your local Komatsu distributor for those items you may require. Materials and specifications are subject to change without notice. PC400, 400LC,PC450, 450LC-7 mount the SAA6D125E-3 engine. For details of the engine, see the 125-3 Series Engine Shop Manual.

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© 2003 All Rights Reserved Printed in Japan 10-03 (01)

00-1

GENERAL

CONTENTS
01 GENERAL ............................................................................................................................ 10 STRUCTURE, FUNCTION AND MAINTENANCESTANDARD............................................
No. of page 01-1

10-1

20 TESTING AND ADJUSTING ............................................. To be issued next time 30 DISASSEMBLY AND ASSEMBLY
......................... To be issued next time

90 OTHERS ................................................................................................................................

90-1

00-2
(1)PC400/450(LC)-7

01 GENERAL
SPECIFICATION DRAWINGS ......................................................................................................................01- 2 SPECIFICATIONS ........................................................................................................................................01- 4 WEIGHTTABLE............................................................................................................................................01- 8 FUEL, COOLANT AND LUBRICANTS .........................................................................................................01- 12

PC400/450(LC)-7

01-1

GENERAL

SPECIFICATION DRAWINGS

SPECIFICATION DRAWINGS
DIMENSIONS

WORKING RANGES

01-2

PC400/450(LC)-7

GENERALSPECIFICATION DRAWINGS

DIMENSIONS Fixed gauge specification
Item A B C D E F G H Overall length Overall height Overall width Track shoe width Height of machine cab Tail swing radius Track overall length Length of track on ground Min. ground clearance Unit mm mm mm mm mm mm mm mm mm PC400-7 11,940 3,635 3,340 600 3,265 3,645 5,055 4,020 555 PC400LC-7 11,940 3,635 3,440 700 3,265 3,645 5,3554,350 550 PC450-7 12,040 3,660 3,340 600 3,265 3,645 5,055 4,020 555 PC450LC-7 12,040 3,660 3,340 600 3,265 3,645 5,355 4,350 550

Variable gauge specification
Item A B C D E F G H Overall length Overall height Overall width Track shoe width Height of machine cab Tail swing radius Track overall length Length of track on ground Min. ground clearance Unit mm mm mm mm mm mm mm mm mm PC400-7 11,9403,635 3,490 600 3,265 3,645 5,055 4,020 685 PC400LC-7 11,940 3,635 3,490 600 3,265 3,645 5,355 4,350 685 PC450-7 12,040 3,660 3,490 600 3,265 3,645 5,055 4,020 685 PC450LC-7 12,040 3,660 3,490 600 3,265 3,645 5,355 4,350 685

WORKING RANGES
Working range A B C D E F G Max. digging reach Max. digging depth Max. digging height Max. vertical wall depth Max. dumping height Min. dumping height Max.reach at ground level Unit mm mm mm mm mm mm mm PC400-7 12,025 7,820 10,915 6,870 7,565 — 11,820 PC400LC-7 12,025 7,820 10,915 6,870 7,565 — 11,820 PC450-7 12,005 7,790 10,925 6,600 7,625 — 11,800 PC450LC-7 12,005 7,790 10,925 6,600 7,625 — 11,800

PC400/450(LC)-7

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GENERAL

SPECIFICATIONS

SPECIFICATIONS
PC400-7, PC400LC-7
PC400-7 Machine model Fixed gauge spec. PC400LC-7 Fixedgauge spec.

Variable gauge spec.

Variable gauge spec.

Serial Number Bucket capacity Weight of machine Max. digging depth Working ranges Max. vertical wall depth Max. digging reach Max. reach at ground level Max. digging height Max. dumping height Max. digging force (using power max. function) Swing speed Swing max. slope angle Travel speed Gradeability Ground pressure [standard shoe...