Komatsu PC210, 210LC, 210NLC, PC240LC, 240NLC-7K Service Manual

UEBM001701

PC210, 210LC, 210NLC PC240LC, 240NLC-7K

MACHINE MODEL	SERIAL NUMBER
PC210-7K	K40001 AND UP
PC210LC-7K	K40001 AND UP
PC210-NLC-7K	K40001 AND UP
PC240LC-7K	K40001 AND UP
PC240NLC-7K	K40001 AND UP

•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.

©2002

All Rights Reserved	00-1
Printed in Belgium 06-02

CONTENTS

No. of page

01 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .01-1

10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD . . . . . . .10-1

20 TESTING AND ADJUSTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20-1

30 DISASSEMBLY AND ASSEMBLY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30-1

90 OTHERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90-1

00-2

LIST OF REVISED PAGES

The affected pages are indicated by the use of the following marks. It is requested that necessary actions be taken to these pages according to the table below.

Mark		Indication	Action required
		Page to be newly added	Add
		Page to be replaced	Replace
(	)	Page to be deleted	Discard

Pages having no marks are those previously revised or made additions.

LIST OF REVISED PAGES

	Mark Page	Time of	Mark Page	Time of	Mark	Page	Time of	Mark Page	Time of	Mark Page	Time of
		revision		revision			revision		revision		revision
	00-1		10-1			10-29		10-57		10-85
	00-2		10-2			10-30		10-58		10-86
	00-2-1		10-3			10-31		10-59		10-87
	00-2-2		10-4			10-32		10-60		10-88
	00-2-3		10-5			10-33		10-61		10-89
	00-2-4		10-6			10-34		10-62		10-90
			10-7			10-35		10-63		10-91
			10-8			10-36		10-64		10-92
	01-1		10-9			10-37		10-65		10-93
	01-2		10-10			10-38		10-66		10-94
	01-3		10-11			10-39		10-67		10-95
	01-4		10-12			10-40		10-68		10-96
	01-5		10-13			10-41		10-69		10-97
	01-6		10-14			10-42		10-70		10-98
	01-7		10-15			10-43		10-71		10-99
	01-8		10-16			10-44		10-72		10-100
	01-9		10-17			10-45		10-73		10-101
	01-10		10-18			10-46		10-74		10-102
	01-11		10-19			10.47		10-75		10-103
	01-12		10-20			10-48		10-76		10-104
	01-13		10-21			10-49		10-77		10-105
	01-14		10-22			10-50		10-78		10-106
			10-23			10-51		10-79		10-107
			10-24			10-52		10-80		10-108
			10-25			10-53		10-81		10-109
			10-26			10-54		10-82		10-110
			10-27			10-55		10-83		10-111
			10-28			10-56		10-84		10-112

PC210/240-7K

00-2-1

LIST OF REVISED PAGES

Mark Page	Time of	Mark	Page	Time of	Mark	Page	Time of	Mark	Page	Time of	Mark Page	Time of
	revision			revision			revision			revision		revision
10-113			10-154			10-194			20-11		20-131
10-114			10-155			10-195			20-12		20-132
10-115			10-156			10-196			20-13		20-133
10-116			10-157			10-197			20-14		20-134
10-117			10-158			10-198			20-15		20-135
10-118			10-159			10-199			20-16		20-136
10-119			10-160			10-200					20-137
10-120			10-161			10-201					20-138
10-121			10-162			10-202					20-139
10-122			10-163			10-203					20-140
10-123			10-164			10-204			20-101		20-141
10-124			10-165			10-205			20-102		20-142
10-125			10-166			10-206			20-103		20-143
10-126			10-167			10-207			20-104		20-144
10-127			10-168			10-208			20-105		20-145
10-128			10-169			10-209			20-106		20-146
10-129			10-170			10-210			20-107		20-147
10-130			10-171			10-211			20-108		20-148
10-131			10-172			10-212			20-109		20-149
10-132			10-173			10-213			20-110		20-150
10-133			10-174			10-214			20-111		20-151
10-134			10-175			10-215			20-112		20-152
10-135			10-176			10-216			20-113		20-153
10-136			10-177			10-217			20-114		20-154
10-138			10-178			10-218			20-115		20-155
10-139			10-179			10-219			20-116		20-156
10-140			10-180						20-117		20-157
10-141			10-181						20-118		20-158
10-142			10-182						20-119		20-159
10-143			10-183						20-120		20-160
10-144			10-184						20-121		20-161
10-145			10-185			20-1			20-122		20-162
10-146			10-186			20-2			20-123		20-163
10-147			10-187			20-3			20-124		20-164
10-148			10-188			20-4			20-125		20-165
10-149			10-189			20-5			20-126		20-166
10-150			10-190			20-6			20-127		20-167
10-151			10-191			20-7			20-128		20-168
10-152			10-192			20-8			20-129		20-169
10.153			10-193			20-9			20-130		20-170

00-2-2

PC210/240-7K

LIST OF REVISED PAGES

Mark Page	Time of	Mark Page	Time of	Mark	Page	Time of	Mark	Page	Time of	Mark Page	Time of
	revision		revision			revision			revision		revision
20-171		20-225			20-301			20-342		20-386
20-172		20-226			20-302			20-343
20-173		20-227			20-304			20-344
20-174		20-228			20-305			20-345
20-175		20-229			20-306			20-346
20-176		20-230			20-307			20-347
20-177		20-231			20-308			20-348		20-501
20-178		20-232			20-309			20-349		20-502
20-179		20-233			20-310			20-350		20-503
20-180		20-234			20-311			20-351		20-504
20-181		20-235			20-312			20-352		20-505
20-182		20-236			20-313			20-353		20-506
		20-237			20-314			20-354		20-507
		20-238			20-315			20-355		20-508
		20-239			20-316			20-356		20-510
		20-240			20-317			20-357		20-511
20-201		20-241			20-318			20-358		20-512
20-202		20-242			20-319			20-359		20-513
20-203		20-243			20-320			20-360		20-514
20-204		20-244			20-321			20-362		20-515
20-205		20-245			20-322			20-364		20-516
20-206		20-246			20-323			20-365		20-517
20-207		20-247			20-324			20-366		20-518
20-208		20-248			20-325			20-367		20-519
20-209		20-249			20-326			20-368		20-520
20-210		20-250			20-327			20-369		20-521
20-211		20-251			20-328			20-370		20-522
20-212		20-252			20-329			20-372		20-523
20-213		20-253			20-330			20-374		20-524
20-214		20-254			20-331			20-375		20-525
20-215		20-255			20-332			20-376		20-526
20-216		20-256			20-333			20-377		20-527
20-217		20-257			20-334			20-378		20-528
20-218					20-335			20-379		20-530
20-219					20-336			20-380		20-531
20-220					20-337			20-381		20-532
20-221					20-338			20-382		20-533
20-222					20-339			20-383		20-534
20-223					20-340			20-384		20-535
20-224					20-341			20-385		20-536

PC210/240-7K

00-2-3

LIST OF REVISED PAGES

Mark Page	Time of	Mark	Page	Time of	Mark	Page	Time of	Mark	Page	Time of	Mark	Page	Time of
	revision			revision			revision			revision			revision
20-537						30-43			30-83
20-538						30-44			30-84
20-540						30-45			30-85
20-541			30-1			30-46			30-86
20-542			30-2			30-47			30-87
20-543			30-3			30-48			30-88
20-544			30-4			30-49			30-89
20-545			30-5			30-50			30-90
20-546			30-6			30-51			30-91
			30-7			30-52			30-92
			30-8			30-53			30-93
			30-9			30-54			30-94
			30-10			30-55			30-95
			30-11			30-56			30-96
20-601			30-12			30-57			30-97
20-602			30-13			30-58
20-603			30-14			30-59
20-604			30-15			30-60
20-605			30-16			30-61
20-606			30-17			30-62
20-607			30-18			30-63			90-1
20-608			30-20			30-64			90-3
20-609			30-21			30-65			90-5
20-610			30-22			30-66			90-7
20-611			30-23			30-67			90-9
20-612			30-24			30-68			90-11
20-613			30-25			30-69
20-614			30-26			30-70
20-615			30-27			30-71
20-616			30-28			30-72
20-617			30-29			30-73
20-618			30-30			30-74
20-619			30-31			30-75
20-620			30-32			30-76
20-621			30-33			30-77
20-622			30-34			30-78
20-623			30-35			30-79
20-624			30-36			30-80
			30-37			30-81
			30-38			30-82

00-2-4

PC210/240-7K

01 GENERAL

Specification Dimension Drawings

PC210, PC210LC, PC210NLC-7K . . . 01-2

PC240LC, PC240NLC-7K . . . . . . . . . . 01-4

Specifications

PC210, PC210LC, PC210NLC-7K . . . 01-6

PC240LC, PC240NLC-7K . . . . . . . . . . 01-8

Weight Table

PC210, PC210LC, PC210NLC-7K . . 01-10

PC240LC, PC240NLC-7K . . . . . . . . . 01-12

Fuel, Coolant, And Lubricants . . . . . . . . . . . 01-14

PC210/240-7K

01-1

GENERAL

SPECIFICATION DIMENSION DRAWINGS

SPECIFICATION DIMENSION DRAWINGS

PC210-7K, PC210LC-7K, PC210NLC-7K

DIMENSIONS

WORKING RANGES

01-2	PC210/240-7K

GENERAL			SPECIFICATION DIMENSION DRAWINGS
DIMENSIONS
	Item	Unit	PC210-7K	PC210LC-7K	PC210NLC-7K
A	Overall length	mm		9,425
B	Overall height	mm		3,000
C	Overall width	mm	2,800	3,080	2,540
D	Track shoe width	mm	600	700	500
E	Height of cab	mm		3,000
F	Tail swing radius	mm		2,750
G	Track overall length	mm	4,080	4,450	4,450
H	Length of track on ground	mm	3,270	3,640	3,655
	Min. ground clearance	mm		440

WORKING RANGES

	Item	Unit	PC210-7K	PC210LC-7K	PC210NLC-7K
A	Max. digging reach	mm		9,875
B	Max. digging depth	mm		6,620
C	Max. digging height	mm		10,000
D	Max. vertical wall depth	mm		5,980
E	Max. dumping height	mm		7,110
F	Min. dumping height	mm		2,645
G	Max. reach at ground level	mm		2,645

PC210/240-7K

01-3

GENERAL

SPECIFICATION DIMENSION DRAWINGS

PC240LC-7K, PC240NLC-7K

DIMENSIONS

WORKING RANGES

01-4	PC210/240-7K

GENERAL			SPECIFICATION DIMENSION DRAWINGS
DIMENSIONS
	Item	Unit	PC240LC-7K	PC240NLC-7K
A	Overall length	mm	9,885	9,885
B	Overall height	mm	3,160	3,160
C	Overall width	mm	2,980	3,280
D	Track shoe width	mm	600	700
E	Height of cab	mm	3,015	3,015
F	Tail swing radius	mm	2,940	2,940
G	Track overall length	mm	4,250	4,640
H	Length of track on ground	mm	3,460	3,845
	Min. ground clearance	mm	440	400

WORKING RANGES

	Item	Unit	PC240LC-7K	PC240NLC-7K
A	Max. digging reach	mm	10,180	10,180
B	Max. digging depth	mm	6,920	6,920
C	Max. digging height	mm	10,000	10,000
D	Max. vertical wall depth	mm	6,010	6,010
E	Max. dumping height	mm	7,035	7,035
F	Min. dumping height	mm	2,530	2,530
G	Max. reach at ground level	mm	10,020	10,020

PC210/240-7K

01-5

GENERAL

SPECIFICATIONS

SPECIFICATIONS

PC210-7K, PC210LC-7K, PC210NLC-7K

			Machine model		PC210-7K	PC210LC-7K	PC210NLC-7K
			Serial Number			K40001 and up
			Bucket capacity	m³		0.8
			Operating weight	kg	19,300	20,700
			Max. digging depth	mm		6,620
	ranges		Max. vertical wall depth	mm		5,980
			Max. digging reach	mm		9,875
	Working		Max. reach at ground level	mm		9,700
			Max. digging height	mm		10,000
			Max. dumping height	mm		7,110
Performance	Max. digging force			kN {kg}		138.3 {14,100}
		(using power max. function)				(149.1 {15,200})
	Swing speed			rpm		12.4
	Swing max. slope angle			deg.		20
	Travel speed			km/h		Lo: 3.0 ( Mi: 4.1)
						Hi: 5.5
	Gradeability			deg.		35
	Ground pressure			kPa {kg/cm²}		36.3 {0.37}
		[standard shoe width]		[mm]		[700]
	Overall length (for transport)			mm	9,425	9,425	9,425
	Overall width			mm	2,800	3,080	2,540
	Overall width of track			mm	2,800	3,080	2,540
	Overall height (for transport)			mm	3,000	3,000	3,000
	Overall height to chassis			mm	3,000	3,000	3,000
Dimensions	Ground clearance to bottom of upper structure			mm	1,085	1,085	1,085
	Min. ground clearance			mm	440	440	440
	Tail swing radius			mm	2,750	2,750	2,750
	Min. swing radius of work equipment			mm	3,040	3,040	3,040
	Height of work equipment at min. swing radius			mm	8,005	8,005	8,005
	Length of track on ground			mm	3,270	3,655	3,655
	Track gauge			mm	2,200	2,380	2,040
	Height of machine cab			mm	2,335	2,335	2,335

: The "Mi" mode is on the multi-monitor specification machine only.

01-6	PC210/240-7K

GENERAL

SPECIFICATIONS

Machine model

PC210-7K

PC210LC-7K

PC210NLC-7K

Serial Number

K40001 and up

Model

SAA6D102E-2-A

Type

4-cycle, water-cooled, in-line, vertical, direct injection, with

turbo charger

No. of cylinders - bore x stroke

mm

6 - 102 x 120

Piston displacement

l {cc}

5.883 {5,883}

kW/rpm {HP/

Performance

Flywheel horsepower

rpm}

106.7/1,950 {143/1,950}

Engine

Max. torque

Nm/rpm {kgm/

610.0/1,500 {62.2/1,500}

Max. speed at no load

rpm}

2,150

Min. speed at no load

rpm

1,030

Min. fuel consumption

rpm

215 {160}

g/kWh {g/HPh}

Starting motor

24V, 4.5 kW

Alternator

24V, 35 A

Battery

12V, 110 Ah x 2

Radiator core type

Corrugated CWX-4

Carrier roller

2 on each side

Undercarriage

Track roller

7 on each side

9 on each side

Assembly-type

Assembly-type triple grouser, 49 on

Track shoe

triple grouser, 45

each side

on each side

Hydraulic

Type x No.

HPV95+95, variable displacement

pump

Delivery

l/min

Piston type: 214 x 2

Set pressure

MPa (kg/cm²)

Piston type: 37.2 {380}

Control

valve

Type x No.

6-spool type x 1

Control method

Hydraulic

Hydraulic

Travel motor

HMV110ADT-2, Piston type

motor

(with brake valve, parking brake): x 2

system

Swing motor

KMF125ABE-5, Piston type

(with safety valve, holding brake): x 1

Hydraulic

Type

Boom

Arm

Bucket

culinder

Double

Double

Double

acting pis-

acting pis-

acting pis-

ton

ton

ton

Hydraulic

Inside diameter of cylinder

mm

120

135

115

Diameter of piston rod

mm

85

95

80

Stroke

mm

1,334.5

1,490

1,120

Max. distance between pins

mm

3,204.5

3,565

2,800

Min. distance between pins

mm

1,870

2,075

1,680

Hrdraulic tank

Closed box type

Hydraulic filter

Tank return side

Hydraulic cooler

CF40-1 (Air cooled)

PC210/240-7K

01-7

GENERAL

SPECIFICATIONS

PC240LC-7K, PC240NLC-7K

				Machine model		PC240LC-7K	PC240NLC-7K
				Serial Number		K40001 and up
				Bucket capacity	m³	1.0	1.0
				Operating weight	kg	22,700	24,130
				Max. digging depth	mm	6,920	6,920
		ranges		Max. vertical wall depth	mm	6,010	6,010
				Max. digging reach	mm	10,180	10,180
		Working		Max. reach at ground level	mm	10,020	10,020
				Max. digging height	mm	10,000	10,000
				Max. dumping height	mm	7,035	7,035
	Performance	Max. digging force			kN {kg}	158.9 {16,200} (171.6	158.9 {16,200} (171.6
			(using power max. function)			{17,500})	{17,500})
		Swing speed			rpm	11.7	11.7
		Swing max. slope angle			deg.	25	25
		Travel speed			km/h	Lo: 3.1 ( Mi: 4.2)	Lo: 3.1 ( Mi: 4.2)
						Hi: 5.5	Hi: 5.5
		Gradeability			deg.	35	35
		Ground pressure			kPa {kg/cm²}	50.0 {0.51}	41.2 {0.42}
			[standard shoe width]		[mm]	[600]	[700]
		Overall length (for transport)			mm	9,885	9,885
		Overall width			mm	2,980	3,280
		Overall width of track			mm	2,980	3,280
		Overall height (for transport)			mm	3,160	3,160
		Overall height to chassis			mm	3,015	3,015
	Dimensions	Ground clearance to bottom of upper structure			mm	1,110	1,110
		Min. ground clearance			mm	440	440
		Tail swing radius			mm	2,940	2,940
		Min. swing radius of work equipment			mm	3,450	3,450
		Height of work equipment at min. swing radius			mm	8,110	8,110
		Length of track on ground			mm	3,460	3,845
		Track gauge			mm	2,380	2,580
		Height of machine cab			mm	2,390	2,390

: The "Mi" mode is on the multi-monitor specification machine only.

01-8	PC210/240-7K

GENERAL

SPECIFICATIONS

Machine model

PC240LC-7K

PC240NLC-7K

Serial Number

K40001 and up

Model

SAA6D102E-2-C

Type

4-cycle, water-cooled, in-line, vertical, direct injection,

with turbo charger

No. of cylinders - bore x stroke

mm

6 - 102 x 120

Piston displacement

l {cc}

5.883 {5,883}

Performance

Flywheel horsepower

kW/rpm {HP/rpm}

125/2,000 {167/2,000}

Engine

Max. torque

Nm/rpm {kgm/rpm}

686/1,500 {70/1,500}

Max. speed at no load

rpm

2,260

Min. speed at no load

rpm

1,060

Min. fuel consumption

g/kWh {g/HPh}

212 {153}

Starting motor

24V, 4.5 kW

Alternator

24V, 35 A

Battery

12V, 110 Ah x 2

Radiator core type

Corrugated CF19-5

Carrier roller

2 on each side

Undercarriage

Track roller

8 on each side

10 on each side

Track shoe

Assembly-type triple

Assembly-type triple

grouser, 47 on each side

grouser, 51 on each side

Hydraulic

Type x No.

HPV95+95, variable displacement

pump

Delivery

l/min

Piston type: 214 x 2

Set pressure

MPa (kg/cm²)

Piston type: 37.2 {380}

Control

valve

Type x No.

6-spool type x 1

Control method

Hydraulic

Hydraulic

Travel motor

HMV110ADT-2, Piston type

motor

(with brake valve, parking brake): x 2

system

Swing motor

KMF125ABE-5, Piston type

(with safety valve, holding brake): x 1

Hydraulic

Type

Boom

Arm

Bucket

culinder

Double acting

Double acting

Double acting

piston

piston

piston

Inside diameter of cylinder

mm

130

140

130

Hydraulic

Diameter of piston rod

mm

90

100

90

Stroke

mm

1,335

1,635

1,020

Max. distance between pins

mm

3,205

2,235

2,625

Min. distance between pins

mm

1,870

3,870

1,605

Hrdraulic tank

Closed box type

Hydraulic filter

Tank return side

Hydraulic cooler

CF40-1 (Air cooled)

PC210/240-7K

01-9

GENERAL

WEIGHT TABLE

WEIGHT TABLE

PC210-7K, PC210LC-7K, PC210NLC-7K

This weight table is for use when handling components or when transporting the machine.

				Unit: kg
	Machine model	PC210-7K	PC210LC-7K	PC210NLC-7K
	Serial Number		K40001 and up
Engine assembly			749
•	Engine		598
•	Damper		6
•	Hydraulic pump		145
Radiator oil cooler assembly			110
Hydraulic tank, filter assembly (excluding hydraulic oil)			123
Fuel tank (excluding fuel)			121
Revolving frame			1,729
Operator’s cab			278
Operator’s seat			35
Counterweight			3,735
Swing machinery			160
Control valve			263
Swing motor			60
Travel motor			98 x 2
Center swivel joint			36
Track frame assembly			4,712
•	Track frame		2,534
•	Swing circle		273
•	Idler		99 x 2
•	Idler cushion		135 x 2
•	Carrier roller		16 x 4
•	Track roller		36 x 18
• Final drive (including travel motor)			343 x 2

01-10

PC210/240-7K

GENERAL

WEIGHT TABLE

				Unit: kg
Machine model	PC210-7K		PC210LC-7K PC210NLC-7K
Serial Number			K40001 and up
Track shoe assembly
• Standard triple grouser shoe (600 mm)	1,215x2		1,325 x 2	1,325 x 2
• Standard triple grouser shoe (700 mm)	1,405x5		1,530 x 2	1,530 x 2
• Wide triple grouser shoe (800 mm)	1,530x2		1,670 x 2	-
• Road liner (rubber pad type) (600 mm)	1,470x2		1,600 x	-
Boom assembly		1,408
Arm assembly		653
Bucket assembly		628
Boom cylinder assembly			172 x 2
Arm cylinder assembly		226
Bucket cylinder assembly		136
Link assembly (large)		81
Link assembly (small)			22 x 2
Boom pin		48 + 8 x 2 + 31 + 10 + 26
Arm pin		11 + 8
Bucket pin			20 x 2
Link pin			13 x 2

PC210/240-7K

01-11

GENERAL

WEIGHT TABLE

PC240LC-7K, PC240NLC-7K

			Unit: kg
	Machine model	PC240LC-7K	PC240NLC-7K
	Serial Number	K40001 and up	K40001 and up
Engine assembly		749	749
•	Engine	598	598
•	Damper	6	6
•	Hydraulic pump	145	145
Radiator oil cooler assembly		119	119
Hydraulic tank, filter assembly (excluding hydraulic oil)		123	123
Fuel tank (excluding fuel)		121	121
Revolving frame		2,048	2,048
Operator’s cab		278	278
Operator’s seat		35	35
Counterweight		5,056	5,056
Swing machinery		237	237
Control valve		263	263
Swing motor		60	60
Travel motor		98 x 2	98 x 2
Center swivel joint		36	36
Track frame assembly		4,828	5,460
•	Track frame	2,558	3,046
•	Swing circle	293	293
•	Idler	99 x 2	99 x 2
•	Idler cushion	135 x 2	135 x 2
•	Carrier roller	16 x 4	16 x 4
•	Track roller	36 x 16	36 x 20
• Final drive (including travel motor)		362 x 2	362 x 2

01-12

PC210/240-7K

GENERAL

WEIGHT TABLE

		Unit: kg
Machine model	PC240LC-7K	PC240NLC-7K
Serial Number	K40001 and up	K40001 and up
Track shoe assembly
• Standard triple grouser shoe (600 mm)	1,340 x 2	1,455 x 2
• Standard triple grouser shoe (700 mm)	1,470 x 2	1,595 x 2
• Wide triple grouser shoe (800 mm)	1,600 x 2	1,735 x 2
• Road liner (rubber pad type) (600 mm)	1,535 x 2	1,665 x 2
Boom assembly	1,825	1,825
Arm assembly	1,213	1,213
Bucket assembly	722	722
Boom cylinder assembly	195 x 2	195 x 2
Arm cylinder assembly	262	262
Bucket cylinder assembly	161	161
Link assembly (large)	82	82
Link assembly (small)	22 x 2	22 x 2
Boom pin	50 + 10 x 2 + 31 + 10 + 26	50 + 10 x 2 + 31 + 10 + 26
Arm pin	11 + 10	11 + 10
Bucket pin	20 x 2	20 x 2
Link pin	17 x 2	17 x 2

PC210/240-7K

01-13

GENERAL

FUEL, COOLANT, AND LUBRICANTs

FUEL, COOLANT, AND LUBRICANTS

	KIND				AMBIENT TEMPERATURE										CAPACITY (l)
RESERVOIR	OF
		-22		-4		14	32	50	68		86		104°F		Specified	Refill
	FLUID
		-30		-20		-10	0	10	20		30		40°C
									SAE 30
						SAE 10W
Engine oil pan															26.3	24
							SAE 10W-30
								SAE 15W-40
Damper case															0.75	—
Swing machinery case															6.6	6.6
	Engine
Final drive case (each side)								SAE 30							4.7	4.5
	oil
Idler (1 each)															0.07-0.08	0.07-0.08
Track roller (1 each)															0.19-0.20	0.19-0.20
Carrier roller (1 each)															0.075-0.085	0.075-0.085
								SAE 10W
							SAE 10W-30
Hydraulic system															240	143
								SAE 15W-40
	Hydraulic
							H046-HM ( )
	oil
Fuel tank	Diesel						ASTM D975 No. 2								400	—
	fuel
				ASTM D975A
				No.1
															PC210,	PC210,
															PC210LC,	PC210LC,
															PC210NLC-7	PC210NLC-7
Cooling system	Coolant						Add antifreeze								22.4	22.4
															PC240LC,	PC240LC,
															PC240NLC-7	PC240NLC-7
															30.9	30.9

For the H-046-HM, use the oil recommended by Komatsu.

01-14

PC210/240-7K

10 STRUCTURE, FUNCTION, AND

MAINTENANCE STANDARD

Engine Related Parts. . . . . . . . . . . . . . . . . . 10-2 Radiator • Oil Cooler • Aftercooler . . . . . . 10-3 Power Train. . . . . . . . . . . . . . . . . . . . . . . . . 10-4 Final Drive . . . . . . . . . . . . . . . . . . . . . . . . . 10-6 Swing Machinery

PC210, 210LC, 210NLC-7 . . . . . . . . . . 10-8 PC240LC, 240NLC-7 . . . . . . . . . . . . . 10-10

Swing Circle

PC210, 210LC, 210NLC-7 . . . . . . . . . 10-12 PC240LC, 240NLC-7 . . . . . . . . . . . . . 10-13 Track Frame • Recoil Spring . . . . . . . . . . 10-14 Idler. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-16 Carrier roller . . . . . . . . . . . . . . . . . . . . . . . 10-18 Track roller . . . . . . . . . . . . . . . . . . . . . . . . 10-19 Track Shoe . . . . . . . . . . . . . . . . . . . . . . . . 10-20

Hydraulic Equipment Layout Drawing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-24 Hydraulic Tank . . . . . . . . . . . . . . . . . . . . . 10-26 Hydraulic Pump . . . . . . . . . . . . . . . . . . . . 10-28 Control Valve

PC210-7, PC210LC-7, PC210NLC . . 10-50 PC240LC-7, PC240NLC-7. . . . . . . . . 10-64 CLSS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-80 Self Pressure Reducing Valve. . . . . . . . . . 10-83 Swing Motor . . . . . . . . . . . . . . . . . . . . . . . 10-86 Reverse Prevention Valve. . . . . . . . . . . . . 10-91 Center Swivel Joint. . . . . . . . . . . . . . . . . . 10-93 Travel Motor . . . . . . . . . . . . . . . . . . . . . . . 10-94 Travel Junction Valve. . . . . . . . . . . . . . . 10-103 Travel PPC Shuttle Valve . . . . . . . . . . . . 10-105 Valve Control . . . . . . . . . . . . . . . . . . . . . 10-107

Work Equipment • Swing PPC Valve

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-108 Travel PPC Valve . . . . . . . . . . . . . . . . . . 10-112 Service PPC Valve . . . . . . . . . . . . . . . . . 10-121 Solenoid Valve . . . . . . . . . . . . . . . . . . . . 10-124 PPC Accumulator . . . . . . . . . . . . . . . . . . 10-126 Return Oil Filter . . . . . . . . . . . . . . . . . . . 10-127 Boom Hydraulic Drift Prevention Valve

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-128 Lift Check Valve. . . . . . . . . . . . . . . . . . . 10-131 Attachment Circuit Selector Valve . . . . . 10-132

Hydraulic Cylinder

PC210, 210LC, 210NLC-7 . . . . . . . . 10-134

PC240LC, 240NLC-7 . . . . . . . . . . . . 10-136

Work Equipment. . . . . . . . . . . . . . . . . . . 10-138

Air Conditioner . . . . . . . . . . . . . . . . . . . . 10-146

Engine Control . . . . . . . . . . . . . . . . . . . . 10-147

Electronic Control System . . . . . . . . . . . 10-155

Multi Monitor System. . . . . . . . . . . . . . . 10-180

Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-209

PC210/240-7K

10-1

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

ENGINE RELATED PARTS

ENGINE RELATED PARTS

1.	Drive plate	5.	Damper assembly	OUTLINE
2.	Torsion spring	6.	Muffler	• The damper assembly is a wet type.
3.	Stopper pin	7.	Rear engine mount
4.	Friction plate	8.	Front engine mount	Oil capacity: 0.75 l

10-2	PC210/240-7K

	RADIATOR • OIL COOLER •
STRUCTURE, FUNCTION, & MAINTENANCE STANDARD	AFTERCOOLER

RADIATOR • OIL COOLER • AFTERCOOLER

SWP08671

1.	Reservoir tank	SPECIFICATIONS
2.	Oil cooler	Radiator: CWX-4 (PC210-7K, PC210LC-7K, PC210NLC-7K)
3.	Radiator
4.	Fan	: CF19-5 (PC240LC-7K, PC240NLC-7K)
5.	Radiator inlet hose	Oil cooler: CF40-1

6.Radiator outlet hose

7.Radiator cap

8.Net

9.Shroud

10.Aftercooler

PC210/240-7K

10-3

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

POWER TRAIN

POWER TRAIN

1.	Idler	7.	Engine (SAA6D102E-2)
2.	Center swivel joint	8.	Travel speed solenoid valve
3.	Control valve	9.	Swing brake solenoid valve
4.	Final drive	10.	Swing motor (KMF125ABE-5)
5.	Travel motor (HMV 110ADT-2)	11.	Swing machinery
6.	Hydraulic pump (HPV95+95)	12.	Swing circle

10-4	PC210/240-7K

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

POWER TRAIN

THIS PAGE LEFT INTENTIONALLY BLANK

PC210/240-7K

10-5

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

FINAL DRIVE

FINAL DRIVE

10-6	PC210/240-7K

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

FINAL DRIVE

1. Level plug

2. Drain plug

3. Cover

4. No. 2 sun gear (No. of teeth: 21)

5. No. 1 sun gear (No. of teeth: 10)

4. No. 1 planetary carrier

6. Cover

7. No. 2 planetary carrier

8. Sprocket

9. Floating seal

10. Travel motor

11. Hub

12. No. 2 planetary gear (No. of teeth: 36)

13. Ring gear (No. of teeth: 95)

14. No. 1 planetary gear (No. of teeth: 42)

SPECIFICATIONS

Reduction ratio:

− 10 +95 × 21+95 +1= −57.0010 21

					Unit: mm
No.	Check item	Criteria			Remedy
15	Backlash between No. 1 sun gear and No. 1	Standard clearance		Clearance limit
	planetary gear
		0.15 - 0.49		1.00
16	Backlash between No. 1 planetary gear and	0.17 - 0.57		1.10
	ring gear
17	Backlash between No. 1 planetary carrier and	0.06 - 0.25		—
	motor
					Replace
18	Backlash between No. 2 sun gear and No. 2	0.14 - 0.46		1.00
	planetary gear
19	Backlash between No. 2 planetary gear and	0.17 - 0.57		1.10
	ring gear
20	Backlash between No. 2 planetary carrier and	0.38 - 0.66		1.00
	No. 1 sun gear
21	End play of sprocket shaft	0.00 - 0.10		—
22	Amount of wear on sprocket tooth	Repair limit: 6
					Rebuild or
		Standard size		Repair limit
23	Width of sprocket tooth				replace
		71		68

PC210/240-7K

10-7

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

SWING MACHINERY

SWING MACHINERY

PC210-7K, PC210LC-7K, PC210NLC-7K

10-8	PC210/240-7K

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

SWING MACHINERY

1. Swing pinion (No. of teeth: 15)

2. Spacer

3. Case

4. No. 2 planetary carrier

5. No. 2 sun gear

6. Ring gear

7. No. 1 sun gear

8. Swing motor

9. Oil level gauge

10. No. 1 planetary gear

11. No. 1 planetary carrier

12. No. 2 planetary gear

13. Drain plug

SPECIFICATIONS

Reduction ratio:

17 +58 × 18 +58 =18.627

17 18

Unit: mm

No.	Check item	Criteria			Remedy
14	Backlash between swing motor shaft and No. 1 sun	Standard clearance		Clearance limit
	gear	0.18 - 0.28		—
15	Backlash between No. 1 sun gear and No. 1 plane-	0.16 - 0.50		1.00
	tary gear
16	Backlash between No. 1 planetary gear and ring	0.18 - 0.59		1.10
	gear
17	Backlash between No. 1 planetary carrier and No. 2	0.39 - 0.71		1.20
	sun gear
					Replace
18	Backlash between No. 2 sun gear and No. 2 plane-	0.16 - 0.50		0.90
	tary gear
19	Backlash between No. 2 planetary gear and ring	0.18 - 0.59		1.00
	gear
20	Backlash between No. 2 planetary carrier and	0.07 - 0.23		—
	swing pinion
21	Backlash between swing pinion and swing circle	0.22 - 1.32		2.00
22	Clearance between plate and planetary carrier	0.66 - 1.14		—
	Wear of swing pinion surface contacting with oil	Standard size		Repair limit	Apply hard chrome
23
		0			plating, recondition, or
	seal			—
		115			replace
		-0.100

PC210/240-7K

10-9

STRUCTURE, FUNCTION, & MAINTENANCE STANDARD

SWING MACHINERY

PC240LC-7K, PC240NLC-7K

10-10

PC210/240-7K