Major MJ39-143 Operator's Manual And Parts List page 22

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Noisy machine
Gearbox leaking
18
Worn bearing
Low oil in gearbox
Loose Parts
Wrong PTO rpm rate
Rotors bent / broken
Bent PTO shaft
Damaged oil seal
Bent shaft
Shaft rough in oil seal area
Oil seal installed incorrectly
Oil seal not sealing in the housing
Oil level too high
Hole in gearbox
Gasket damaged
Bolts loose
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Replace bearings
Check level and add oil
Check all bolts are fully tightened
Check PTO rate & adjust as necessary
Replace bent or missing blades
Check PTO shafts are aligned correctly
Check output shaft on gearboxs are not bent
Check driveline between gearboxes is aligned.
Replace seal
Replace oil seal and shaft
Replace or repair shaft
Replace seal
Replace seal or use a sealant on outside diameter
of seal
Drain oil to proper level
Replace the gearbox
Replace gasket
Tighten bolts

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Mj39-143-d

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