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FUNCTION
SLEW MOTOR
3
3
SLEW MOTOR
3N0AX00
Brake valve
This valve is equipped with a shockless function.
When the high-pressure oil enters the port Av, it flows
through the orifice (1) and into the damper chamber (2)
where it attempts to move the plunger (3) to the right. At
this time, the spring (4) remains in its set position.
When the pressure in the pressure oil increases to where
it overpowers the spring force of the spring (4), the
plunger (3) is moved to the right. This causes the pres-
sure in the pressure oil to be released into the Bv port
through a relief operation.
At the same time, the pressure oil flows through the ori-
fice (6) and enters the piston chamber (B), where it works
in the direction of spring compression to compress the
spring (4). At this time, the spring force increases in pro-
portion to the distance traveled by the piston (5), which
causes the relief pressure to increase.
The spring (4) is compressed the most when the piston
(5) is moved left to the stroke end. At this time, the pres-
sure becomes the set relief pressure.
Parking brake
The friction discs (1) are each connected to the pinion
gear (2) via the spline, and the center discs (3) are also
each connected to the bearing housing (4) via the spline.
The friction discs (1) and the center discs (3) are each
pressed against the bearing housing (4) by the springs
(5) via the brake piston (6). The friction force between
these discs generates a braking torque that prevents the
pinion gear (3) from rotating.
When the oil is directed from the parking brake release
port to the piston chamber (A), the oil pressure overpow-
ers the spring force and acts to move the brake piston
(6). This creates a clearance between the friction discs
(1) and the center discs (3), which works to release the
parking brake function.
Содержание TB215R
Страница 1: ...CC8E005 WETB215R_A XI Seral No 215000003...
Страница 3: ...SAFETY 1...
Страница 13: ...SERVICE DATA 2...
Страница 16: ...SERVICE DATA DIMENSIONAL DRAWING 3 2 DIMENSIONAL DRAWING 2A0AX001 Operating range 2A0AX02...
Страница 45: ...SERVICE DATA HYDRAULIC CIRCUIT DIAGRAM 1 2 HYDRAULIC CIRCUIT DIAGRAM 2F0AX001 HYDRAULIC CIRCUIT DIAGRAM...
Страница 51: ...SERVICE DATA ELECTRICAL CIRCUIT DIAGRAM 2 2 ELECTRICAL CIRCUIT DIAGRAM 2G0AX00 Electrical Schematic Diagram...
Страница 52: ...SERVICE DATA WIRE HARNESS DIAGRAM 1 2 WIRE HARNESS DIAGRAM 2H0AX00 WIRE HARNESS DIAGRAM Wiring diagram...
Страница 53: ...SERVICE DATA WIRE HARNESS DIAGRAM 2 2 WIRE HARNESS DIAGRAM 2H0AX00 Body harness 03342 68000...
Страница 54: ...SERVICE DATA WIRE HARNESS DIAGRAM 3 2 WIRE HARNESS DIAGRAM 2H0AX00...
Страница 55: ...SERVICE DATA WIRE HARNESS DIAGRAM 4 2 WIRE HARNESS DIAGRAM 2H0AX00...
Страница 56: ...SERVICE DATA WIRE HARNESS DIAGRAM 5 2 WIRE HARNESS DIAGRAM 2H0AX00...
Страница 57: ...SERVICE DATA WIRE HARNESS DIAGRAM 6 2 WIRE HARNESS DIAGRAM 2H0AX00...
Страница 58: ...FUNCTION 3...
Страница 88: ...DISASSEMBLY AND ASSEMBLY 4...
Страница 90: ...DISASSEMBLY AND ASSEMBLY SERVICE STANDARDS 2 4 SERVICE STANDARDS 4A0AX00 Clearance for pin and bushing...
Страница 118: ...DISASSEMBLY AND ASSEMBLY UPPER FRAME 6 4 UPPER FRAME 4E0AX00 CANOPY Construction 1 Canopy 2 Roof...
Страница 120: ...DISASSEMBLY AND ASSEMBLY OPERATING DEVICE 1 4 OPERATING DEVICE 4F0AX00 OPERATING DEVICE Control levers Construction...
Страница 125: ...DISASSEMBLY AND ASSEMBLY OPERATING DEVICE 6 4 OPERATING DEVICE 4F0AX00 Hydraulic piping...
Страница 127: ...DISASSEMBLY AND ASSEMBLY ATTACHMENTS 1 4 ATTACHMENTS 4G0AX001 ATTACHMENTS Hoe attachment Construction...
Страница 130: ...DISASSEMBLY AND ASSEMBLY ATTACHMENTS 4 4 ATTACHMENTS 4G0AX001 34 Blade 35 Blade cylinder 36 Pin 37 Plate R 38 Plate L...
Страница 230: ......
Страница 232: ...TROUBLESHOOTING 5...
Страница 287: ...Other 6...