Nakayama MB9000 CLASSIC, Инструкция по эксплуатации

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Problem Possible cause Solution
Too much noise coming from the gears
Deformation and bend of the angle gear and
reversing shaft
Replace
Too much lateral clearance due to excess abrasion
of gears
Replace the gears
The matching between bevel gear and reversing
shaft and gearbox body is too loose
Replace
Oil leaking from the main shaft’s rear cover
Malfunction of the O-ring of the main shaft Replace
Malfunction of lip oil seal in the main shaft Replace
Malfunction of the O-ring of the cover Replace
Oil leaking from the reversing shaft
Loosening of bolts at the back of the reversing shaft Screw the bolts tight
Malfunction of the O-ring of the reversing shaft Replace
Oil leaking from the fork shaft of the reversing shaft O-ring malfunction Replace
Oil leakage of the fork shaft of the clutch O-ring malfunction Replace
Oil leaking from the gear shift shaft O-ring malfunction Replace
Oil leaking from the flange connection
Loose bolts Screw the bolts tight
The vulcanized paper board is damaged Replace
Oil leaking from the gearbox body There are tiny holes on the gearbox body
Re-weld or brush with base paint to
stop the leaking
Problem Possible cause Solution
Too much noise coming from the gear Excess abrasion or faulty repair of the gear Repair
Gears are blocked when running Incorrect position of the gears Adjust the gears correctly
Overheating
Insufficient lubricant in the box Add a sufficient quantity of oil
The lateral clearance of the gear is too small Adjust the clearance
The axial clearance is too small Adjust the clearance
Oil leaking from the gearbox connection
The connection bolt is loose Screw the bolt tight
The seal gasket is damaged Replace the lip oil seal
Oil leaking from the output shaft casing The lip oil seal is damaged Replace the lip oil seal
Serious oil leakage of the hexagonal hole
in the output shaft casing
The shaft casing is broken Replace
Oil leaking from the oil hole
The O-ring is damaged Replace
The bolts are loose Screw the bolts tight
Oil leaking from the traveling box body There are tiny holes on the traveling box body
Re-weld or brush with base paint to stop
the leaking
TROUBLESHOOTING OF THE TRAVELING MECHANISM
Problem Possible cause Solution
The blades are broken
The blades collided with hard objects such as
stones during operation of the tiller
Replace the blades. Be careful while
working to avoid contact of the blades
with hard objects
The cable ties are broken Long-time abrasion in work Replace
TROUBLESHOOTING OF OTHER PARTS
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