Yanmar SA424 - Brake System Troubleshooting; Steering System Troubleshooting; Vibration and Movement Issues

17-10
17. TROUBLESHOOTING
SA221/324/424 Operation Manual
3. Brakes
4. Steering
5. Body and Machinery
The problem is: The possible cause(s) are: Remedy:
The rear brakes are
not working correctly
1. A problem in the brake 1. Brake system
• Check whether the brakes are
adjusted correctly.
• adjust the brakes correctly
• Check whether the brake linkage is
worn out or damaged.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
• Check whether the brake disk is worn
out or damage.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
The problem is: The possible cause(s) are: Remedy:
The steering is not
working
1. A problem in the steering 1. Steering
• Check whether the transmission
hydraulic oil level is low.
• add transmission hydraulic oil
• Check whether the wheel spindles
are damaged.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
2. A problem in the steering cylinder 2. Steering cylinder
• Check whether the steering linkage
requires lubrication.
• lubricate the steering linkage
• Check for excessive play in the
steering.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
The problem is: The possible cause(s) are: Remedy:
There is excessive
vibration
1. A problem in the engine 1. Engine
• Check whether the idle speed is too
slow.
• adjust the idle speed
2. A problem in the transmission 2. Transmission
• Check whether the drive shaft is worn
out.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
The engine is
running, but the
tractor does not move
1. A problem in the hydrostatic
transmission (HST)
1. Hydrostatic transmission (HST)
• Check whether the hydrostatic
transmission is faulty.
• contact YOUR LOCAL YANMAR
TRACTOR DEALER
2. A problem in the brake 2. Brake system
• Check whether the brakes are
adjusted correctly.
• adjust the brakes correctly
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