SCMA54,SCMB60,SSM54 a.
Remove the bolt LH & RH of blades and blade collars. (Refer to “2. INSPECTION & REPLACEMENT OF BLADES”)
b.
Loosen the bolts, then remove the drive shaft cover. Remove the bolt, then remove the joint cover. (SCMA54 only)
c.
Slide the snap ring fixing the coupling, gather both couplings close, take out the drive shaft.
d.
Loosen the fixing nuts of gear cases, remove both LH & RH gear cases.
SCMA54
Joint cover
Drive shaft cover
CAUTION: There is a possibility that there are shims for height adjustment between gear case and deck, so that check the assembling position and number of shims. e.
Remove the level plug and oil filler plug. Then drain all the oil by tilting the gear case.
f.
Wrap the threads of both plugs with sealing tape and pour new oil using an oil feeder.
g.
Make sure that the oil overflows through the level plug hole. Then screw both plugs in.
h.
Assemble both LH & RH gear cases on deck.
Snap ring
CAUTION: In case there are shims for height adjustment, reinstall the shims into same position by same pieces as before. i.
Assemble the drive shaft, fix the couplings by snap rings.
j.
Assemble the drive shaft cover and joint cover.
k.
Assemble the both LH & RH blades and blade collars. (Refer to “2. INSPECTION & REPLACEMENT OF BLADES”)
96
Coupling
