![background image](http://html1.mh-extra.com/html/takeuchi/tb53fr/tb53fr_workshop-manual_3348198119.webp)
HYDRAULIC UNITS
HYDRAULIC PUMP
IV-9
TB53FR
When the discharge pressure exceeds the set value of
the spring (7), the swash plate (4) is pushed by the
pistons (9) and (10), the inclination decreases, and the
swash plate is kept at an inclination where the dis-
charge pressure and the spring force are balanced.
When the pressure acting onto the pistons (9) and (10)
increases still further, the inclination of the swash
plate (4) becomes still smaller. The until now inactive
spring (8) also becomes active, and a still higher
discharge pressure will be required to counteract this
spring force.
In this way, the inclination of the swash plate (4) is
changed, the discharge quantity is controlled, the
pump is supplied only with the pressure and the flow
volume required for the load, and the pump loss
pressure is reduced.
As the inclination of the swash plate (4) changes not
only according to the operation pressure of the pumps
P1 and P2, but also according to the operation pres-
sure of the pump P3, the P-Q curve of the piston pump
becomes a curve with effective use of the engine
power (full power control).
Gear Pump
The gear pump consists of a single gear case, inside of
which is a drive gear (1) and a driven gear (2) engaged
with each other. By turning the drive shaft (3), the
space between the case and the gears is filled with oil.
This oil is thus sent through the pump from the inlet
to the outlet.
Pilot Relief Valve and Solenoid Valve
The pilot relief valve (1) keeps the pressure in the pilot
circuit constant by releasing the oil into the tank
passage when the discharged oil pressure from the
pump P4 (2) exceeds the preset value.
This pilot pressure is switched by the solenoid valve
A (that switches the second travel speed) and the
solenoid valve B (that switches the lever lock).
K3D112
SET HORSEPOWER
CURVE
A+B
A
FLOW VOLUME Q
Qmax
TO
TA
L
PRESSURE
∑
P
∑
Pi
10
9
P2
P3
P1
INLET
OUTLET
G4D103
2
PB
B
A
PA
1
P
Содержание TB53FR
Страница 1: ...0 1 TB53FR...
Страница 2: ...0 2 TB53FR...
Страница 3: ...0 3 TB53FR...
Страница 6: ...0 6 TB53FR...
Страница 8: ...0 8 TB53FR...
Страница 9: ...I 1 TB53FR I GENERAL...
Страница 24: ...GENERAL I 16 TB53FR...
Страница 25: ...I 17 TB53FR II SPECIFICATIONS II 1...
Страница 53: ...II 29 TB53FR III MACHINE CONFIGURATION III 1...
Страница 60: ...MACHINE CONFIGURATION DRIVE SYSTEM III 8 TB53FR...
Страница 68: ...MACHINE CONFIGURATION TRAVEL SYSTEM III 16 TB53FR...
Страница 74: ...MACHINE CONFIGURATION UPPER FRAME III 22 TB53FR...
Страница 80: ...MACHINE CONFIGURATION CONTROL SYSTEM III 28 TB53FR...
Страница 86: ...MACHINE CONFIGURATION ATTACHMENTS III 34 TB53FR...
Страница 87: ...TB53FR HYDRAULIC SYSTEM III 35 HYDRAULIC SYSTEM HYDRAULIC CIRCUIT DIAGRAM MACHINE CONFIGURATION J1C700...
Страница 88: ...III 36 TB53FR HYDRAULIC SYSTEM MACHINE CONFIGURATION...
Страница 91: ...TB53FR ELECTRICAL SYSTEM III 39 ELECTRICAL SYSTEM ELECTRICAL WIRING DIAGRAM MACHINE CONFIGURATION J1C802...
Страница 92: ...TB53FR MACHINE CONFIGURATION ELECTRICAL SYSTEM III 40...
Страница 94: ...MACHINE CONFIGURATION ELECTRICAL SYSTEM III 42 TB53FR...
Страница 110: ...MACHINE CONFIGURATION INTERFERENCE PREVENTION SYSTEM III 58 TB53FR...
Страница 111: ...III 59 TB53FR IV HYDRAULIC UNITS IV 1...
Страница 144: ...HYDRAULIC UNITS HYDRAULIC PUMP IV 34 TB53FR...
Страница 166: ...HYDRAULIC UNITS CONTROL VALVE IV 56 TB53FR...
Страница 186: ...HYDRAULIC UNITS PILOT VALVE IV 76 TB53FR INSPECTION AND ADJUSTMENT IV 71 TROUBLESHOOTING IV 72...
Страница 267: ...IV 157 TB53FR V TROUBLESHOOTING V 1...
Страница 313: ...V 47 TB53FR VI ENGINE...
Страница 314: ......
Страница 315: ......
Страница 316: ......
Страница 317: ......
Страница 318: ......
Страница 319: ......
Страница 320: ......
Страница 321: ......
Страница 322: ......
Страница 323: ......
Страница 324: ......
Страница 325: ......
Страница 326: ......
Страница 327: ......
Страница 328: ......
Страница 329: ......
Страница 330: ......
Страница 331: ......
Страница 332: ......
Страница 333: ......
Страница 334: ......
Страница 335: ......
Страница 336: ......
Страница 337: ......
Страница 338: ......
Страница 339: ......
Страница 340: ......
Страница 341: ......
Страница 342: ......
Страница 343: ......
Страница 344: ......
Страница 345: ......
Страница 346: ......
Страница 347: ......
Страница 348: ......
Страница 349: ......
Страница 350: ......
Страница 351: ......
Страница 352: ......
Страница 353: ......
Страница 354: ......
Страница 355: ......
Страница 356: ......
Страница 357: ......
Страница 358: ......
Страница 359: ......
Страница 360: ......
Страница 361: ......
Страница 362: ......
Страница 363: ......
Страница 364: ......
Страница 365: ......
Страница 366: ......
Страница 367: ......
Страница 368: ......
Страница 369: ......
Страница 370: ......
Страница 371: ......
Страница 372: ......
Страница 373: ......
Страница 374: ......
Страница 375: ......
Страница 376: ......
Страница 377: ......
Страница 378: ......
Страница 379: ......
Страница 380: ......
Страница 381: ......
Страница 382: ......
Страница 383: ......
Страница 384: ......
Страница 385: ......
Страница 386: ......
Страница 387: ......
Страница 388: ......
Страница 389: ......
Страница 390: ......
Страница 391: ......
Страница 392: ......
Страница 393: ......
Страница 394: ......
Страница 395: ......
Страница 396: ......
Страница 397: ......
Страница 398: ......
Страница 399: ......
Страница 400: ......
Страница 401: ......
Страница 402: ......
Страница 403: ......
Страница 404: ......
Страница 405: ......
Страница 406: ......
Страница 407: ......
Страница 408: ......
Страница 409: ......
Страница 410: ......
Страница 411: ......
Страница 412: ......
Страница 413: ......
Страница 414: ......
Страница 415: ......
Страница 416: ......
Страница 417: ......
Страница 418: ......
Страница 419: ......
Страница 420: ......
Страница 421: ......
Страница 422: ......
Страница 423: ......
Страница 424: ......
Страница 425: ......
Страница 426: ......
Страница 427: ......
Страница 428: ......
Страница 429: ......
Страница 430: ......
Страница 431: ......
Страница 432: ......
Страница 433: ......
Страница 434: ......
Страница 435: ......
Страница 436: ......
Страница 437: ......
Страница 438: ......
Страница 439: ......
Страница 440: ......
Страница 441: ......
Страница 442: ......
Страница 443: ......
Страница 444: ......
Страница 445: ......
Страница 446: ......
Страница 447: ......