Cat 303C 303CR Mini Hydraulic Excavator (S3Q2 Engine) Parts Manual – PDF DOWNLOAD
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Cat 303C 303CR Mini Hydraulic Excavator (S3Q2 Engine) Parts Manual – PDF DOWNLOAD
SERIAL NUMBERS:
AZS02501-Up [Machine]
Description
Caterpillar 303C 303CR Mini Hydraulic Excavator (S3Q2 Engine) Parts Manual – PDF DOWNLOAD
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Cat 303C 303CR Mini Hydraulic Excavator (S3Q2 Engine) Parts Manual – PDF DOWNLOAD
SERIAL NUMBERS:
AZS02501-Up [Machine]
1. MACHINE IDENTIFICATION :
Caterpillar machines are identified by Product Identification Numbers (PIN). Some components included in a machine may be identified by Serial Numbers (S/N). Typical components that will be serialized include engines, transmissions, bulldozers, and rippers. The machine and engine are further identified by arrangement numbers and in some cases modification numbers.
- These numbers are shown on the product identification plate(s) and on the master plate in the operatorโs compartment. Caterpillar dealers need all of these numbers to determine accurate parts identification. Effective First Quarter 2001 the Caterpillar Product Identification Number (PIN) changed from 8 to 17 characters.
- In an effort to provide uniform equipment identification, Caterpillar and other construction equipment manufacturers are moving to comply with the latest version of the product identification numbering standard. Non-road machine PINs are defined by ISO 10261. The new PIN format will apply to all Caterpillar machines and generator sets.
The PIN plates and frame marking will display the 17 character PIN. The new format will look like the following:
Where:
1. Caterpillarโs World Manufacturing Code (characters
1-3)
2. Machine Descriptor (characters 4-8)
3. Check Character (character 9)
4. Machine Indicator Section (MIS) or Product Sequence
Number (characters 10-17). These were previously
referred to as the Serial Number.
Machines and generator sets produced before First Quarter 2001 will maintain their 8 character PIN format. Components such as engines, transmissions, axles, etc. and work tools will continue to use an 8 character Serial Number (S/N).
- Quality Caterpillar replacement parts are available from Caterpillar dealers throughout the world. Their parts inventories are up to date and include all parts normally required to protect your investment in Caterpillar machines.
- Dealers may offer repair kits or remanufactured parts to allow selection of the most effective repair alternative for a particular situation. When ordering parts, your order should specify the quantity, part number, part name, and the serial number/product identification number of the machine for which the parts are needed.
- Product information in this manual is presented as “information elements” that represent all of the components for the specific model. Engine Arrangement and Seat Group are examples of information elements.
- The information elements are organized alphabetically by part name and secondarily by part number within each major section of the manual.
TABLE OF CONTENTS:
Cat 303C 303CR Mini Hydraulic Excavator (S3Q2 Engine) Parts Manual – PDF DOWNLOAD
AIR CLEANER GROUP 46
AIR CONDITIONER GROUP 469,471
AIR CONDITIONER LINES GROUP 478๏ฝ483
AIR DUCT GROUP 472๏ฝ473
AIR LINES GROUP 45
ASSIST HANDLE GROUP 401
AUXILIARY CONTROL ARRANGEMENT 198
AUXILIARY HYDRAULIC LINES GROUP 324๏ฝ326
B
BALL VALVE ASSEMBLY 336
BATTERY AND WIRING GROUP 74๏ฝ81
BEARING AND GEAR GROUP 182
BLADE AND MOUNTING GROUP 389๏ฝ391
BLADE ARRANGEMENT 355๏ฝ357
BLADE CONTROL GROUP 233๏ฝ235
BLOCK ASSEMBLY 215๏ฝ231
BOOM ARRANGEMENT 350
BOOM CYLINDER GUARD GROUP 363
BOOM GROUP 361
BOTTOM GUARD GROUP 164
BUCKET ARRANGEMENT 375
BUCKET GROUP 382๏ฝ385
BUCKET LINES GROUP 333๏ฝ334
BUCKET LINKAGE ARRANGEMENT 354
BUCKET LINKAGE GROUP 372๏ฝ374
C
C-FRAME GROUP 393
CAB ARRANGEMENT 398๏ฝ399
CAB GROUP 408๏ฝ413
CAB LIGHTING GROUP 131
CAMSHAFT GROUP 25
CANOPY ARRANGEMENT 396๏ฝ397
CANOPY GROUP 402๏ฝ407
CARRIER ROLLER GROUP 187
CHARGING ALTERNATOR GROUP 128
CHASSIS ARRANGEMENT 155
CIRCUIT BREAKER PANEL GROUP 120๏ฝ123
COMMON ARRANGEMENT 1
CONDENSER AND MOUNTING GROUP 463
CONNECTOR GROUP 142
CONSOLE GROUP 441๏ฝ443
CONSOLE WIRING GROUP 82๏ฝ99
CONTROL ARRANGEMENT 197,200,451
COUNTERWEIGHT ARRANGEMENT 172
COUNTERWEIGHT COVER GROUP 175๏ฝ176
COUNTERWEIGHT GROUP 173๏ฝ174
COVER ASSEMBLY 163
COVER GROUP 161๏ฝ162,420๏ฝ421
CRANKSHAFT ASSEMBLY 23
NAME PAGE
CRANKSHAFT GROUP 22
CRANKSHAFT PULLEY GROUP 24
CYLINDER BLOCK ASSEMBLY 20
CYLINDER BLOCK GROUP 19
CYLINDER GROUP 338๏ฝ346
CYLINDER GUARD GROUP 362,365
CYLINDER HEAD ASSEMBLY 28
CYLINDER HEAD GROUP 27
CYLINDER LINES GROUP 327๏ฝ331
CYLINDER STOP GROUP 375
D
DRAIN GROUP 336
E
ELECTRIC HORN GROUP 458
ELECTRIC STARTING MOTOR GROUP 73
ELECTRONIC CONTROL GROUP 501
ELECTRONICS GROUP 501
ENGINE ARRANGEMENT 16๏ฝ17
ENGINE MOUNTING GROUP 32๏ฝ33
ENGINE OIL COOLER GROUP 44
ENGINE OIL DRAIN GROUP 36
ENGINE OIL FILLER GROUP 35
ENGINE OIL FILTER AND MOUNTING GROUP 35
ENGINE OIL PUMP GROUP 34
EXHAUST EXTENSION GROUP 52
EXHAUST MANIFOLD GROUP 50
EXTENSION GROUP 53
F
FAN GUARD GROUP 39๏ฝ40
FASTENER GROUP 376
FENDER COVER GROUP 165
FENDER GROUP 166
FILM GROUP 502๏ฝ536
FINAL DRIVE GROUP 146๏ฝ147
FIREWALL GROUP 170
FLOOD LAMP GROUP 135
FLYWHEEL GROUP 31
FOOTREST GROUP 452
FRAME ASSEMBLY 444
FRONT GEAR GROUP 31
FRONT GUARD GROUP 453๏ฝ457
FRONT HOUSING GROUP 30
FRONT IDLER GROUP 183๏ฝ185
FRONT LINES GROUP 267๏ฝ283
FRONT WIRING GROUP 109๏ฝ111
FUEL FILTER GROUP 71
FUEL FILTER LINES GROUP 68๏ฝ69
FUEL INJECTION LINES GROUP 67
FUEL INJECTION PUMP GROUP 66
INDEX
NAME PAGE
FUEL TANK AND MOUNTING GROUP 72
G
GLOW PLUG GROUP 129
GOVERNOR CONTROL ARRANGEMENT 55๏ฝ57
GOVERNOR CONTROL GROUP 58๏ฝ65
GRAPPLE GROUP 386๏ฝ388
GREASE LINES GROUP 177
GUARD ARRANGEMENT 360
H
HAMMER ARRANGEMENT 358
HEATER AND MOUNTING GROUP 470
HEATER GROUP 469
HEATER LINES GROUP 474๏ฝ477
HOOD AND GUARD GROUP 156๏ฝ159
HOOD GROUP 160
HYDRAULIC ARRANGEMENT 196
HYDRAULIC HAMMER GROUP 394๏ฝ395
HYDRAULIC MOTOR GROUP 151
HYDRAULIC TANK AND FILTER GROUP 206๏ฝ207
HYDRAULIC TANK AND MOUNTING GROUP 196
I
INLET MANIFOLD GROUP 51
INSTALLATION ARRANGEMENT 18
J
JUMPER LINES GROUP 335
K
KNOB ASSEMBLY 245
L
LEVER GROUP 445
LIGHTING GROUP 130๏ฝ134,136๏ฝ139
LINES GUARD GROUP 364
LINK GROUP 419
LITERATURE GROUP 537
M
MANIFOLD VALVE GROUP 318
MECHANICAL SHUTOFF GROUP 70
MONITOR AND MOUNTING GROUP 434๏ฝ439
MOTOR AND MOUNTING GROUP 145,149
MUFFLER GROUP 54
O
OFFSET CONTROL GROUP 242
OIL PAN GROUP 24
OPERATOR ARRANGEMENT 399
OPERATOR CONSOLE GROUP 440
NAME PAGE
OPERATOR PLATFORM GROUP 422๏ฝ429
P
PILOT LINES GROUP 286๏ฝ297,299๏ฝ317
PILOT OPERATED HYDRAULIC CONTROL GROUP 239,243๏ฝ244
PILOT VALVE GROUP 236๏ฝ238,240๏ฝ241,250๏ฝ253,319
PISTON PUMP GROUP 202๏ฝ205
PLATE ASSEMBLY 171
PLATFORM ASSEMBLY 430๏ฝ433
POWER TAKE OFF CONTROL GROUP 231๏ฝ232
POWER TRAIN ARRANGEMENT 144
PUMP AND MOUNTING GROUP 201
PUMP LINES GROUP 284๏ฝ285
Q
QUICK COUPLER GROUP 377๏ฝ381
R
RADIATOR GROUP 41๏ฝ43
REAR VIEW MIRROR GROUP 446
REDUCTION GEAR GROUP 148,154
REFRIGERANT COMPRESSOR GROUP 468
RELIEF VALVE GROUP 153
RETURN LINES GROUP 322๏ฝ323
ROD AND PISTON GROUP 21
RUBBER PAD GROUP 194
S
SEAT BELT GROUP 458
SEAT GROUP 459
SEAT SUPPORT GROUP 461๏ฝ462
SENSOR AND MOUNTING GROUP 141
SHUTOFF VALVE ARRANGEMENT 199
SLIDE DOOR GROUP 414๏ฝ415
SOLENOID VALVE GROUP 320
SPECIAL ARRANGEMENT 2๏ฝ15,484
SPROCKET GROUP 150
STARTING MOTOR FASTENER GROUP 73
STICK ARRANGEMENT 350
STICK GROUP 366๏ฝ371
STICK LINES GROUP 332
STRAIGHT BLADE GROUP 392
SUCTION FAN GROUP 38
SWING CYLINDER LINES GROUP 266
SWING DRIVE GROUP 150
SWING FRAME GROUP 169
SWING MOTOR LINES GROUP 258๏ฝ265
SWIVEL GROUP 337
T
TOOL GROUP 537๏ฝ538
TRACK AND CARRIER ROLLER ARRANGEMENT 186
INDEX
NAME PAGE
TRACK ARRANGEMENT 191
TRACK ASSEMBLY 193
TRACK GROUP 188,192๏ฝ193
TRACK GUIDE GUARD GROUP 195
TRACK LINK ASSEMBLY 194
TRACK MOTOR LINES GROUP 254๏ฝ257
TRACK ROLLER GROUP 187
TRAVEL ALARM GROUP 347๏ฝ348
TRAVEL AND CONTROL GROUP 248
U
UNDERCARRIAGE ARRANGEMENT 178
UNDERCARRIAGE FRAME ASSEMBLY 180๏ฝ181
UNDERCARRIAGE FRAME GROUP 179
UPPER FRAME ASSEMBLY 168
UPPER FRAME GROUP 167
V
VALVE AND MOUNTING GROUP 208๏ฝ211
VALVE CONTROL GROUP 246๏ฝ247
VALVE GROUP 152,212๏ฝ214,321
VALVE MECHANISM COVER GROUP 26
VALVE MECHANISM GROUP 29
W
WASHER BOTTLE WIRING GROUP 466๏ฝ467
WATER PUMP ASSEMBLY 38
WATER PUMP GROUP 37
WINDOW GUARD GROUP 400
WINDSHIELD GROUP 416
WINDSHIELD WASHER GROUP 464๏ฝ465
WIRING GROUP 112๏ฝ116,486๏ฝ499
CAT 303C 303CR MINI HYDRAULIC EXCAVATOR (S3Q2 ENGINE) PARTS MANUAL – PDF DOWNLOAD:
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