Final Drive Sany SY75C Travel Motor Final Drive 60216387
For Sany Excavator Travel Motor
1.Fault diagnosis
SY75 excavator suddenly experiences abnormal left lateral movement
during operation.
It moves forward normally but cannot move backward. At the same
time, the center joint leaks oil..
2.Fault Analysis
① Internal fault of walking motor
② Main valve fault
③ Foot valve fault
④ Center joint fault (oil seal damaged)
3.Fault relief
① After swapping the main oil pipe of the left walking motor, the
fault direction is reversed, and it is judged that the motor is
normal.
② After adjusting the oil pipe of the left walking valve, the fault
still persists, and the main valve fault has been ruled out.
③ The malfunction of the left walking foot valve still persists
after adjusting the conduit. The foot valve malfunction has been
ruled out.
④ Based on the above inspection, the fault location was locked at
the central joint. After disassembling the central joint, it was
found that the screw of the top oil passage plug had fallen off. It
was tightened and the oil seal was replaced to eliminate the fault.
Packaging & Shipping
We will pack the motors in wooden cases to make sure it is good for
transport.
Delivery:
1) International Express: Such as DHL,TNT, FEDEX and so on.
2)Air transportation: For goods above 45KG, it is economic choice
for customers.
3)By sea: Heavy cargo by container transport.
Our Services
1.Machine:Used excavator,used loader.
2.Attachment: Excavator boom,arm,bucket,breaker hammer etc.
3. Hydraulic parts:
hydraulic pump, main valve, hydraulic cylinder, final drive, travel
motor, swing machinery, swing motor etc.
4. Engine parts:
engine ass’y, piston, piston ring, cylinder block, cylinder head,
crankshaft, turbocharger, fuel injection pump, starting motor and
alternator etc.
5. Undercarriage part:
Amphibious excavator pontoon,floating track,Track roller, Carrier
roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion
etc.
6. Cab parts: operator’s cab, wiring harness, monitor, controller,
seat, door etc.
7. Cooling parts: Radiator, air conditioner, compressor, after
cooler etc.
8. Other parts: Service kit, swing circle, engine hood, swivel
joint, fuel tank, filters
Company view
