Lower Unit
GB
MX50
Bevel Gear B Nut Wrench 7 :
P/N. 346-72231-0
Drive Shaft Socket 8 :
P/N. 346-72232-0
Pinion (B) Gear Nut 6 :
54N · m (36 lb · ft) [5kgf · m]
9
5
MWX50
Bevel Gear B Nut Wrench 7 :
P/N. 353-72231-0
Drive Shaft Socket 8 :
P/N. 346-72232-0
35) Assembly of Pump Case
1. Attach shim 1 that is removed when disassembly.
2. Attach O ring 2 to pump case (lower) 3 and install pump
case (lower) to gear case.
Apply OBM grease to O ring.
OBM
7
6
5
4
3
2
1
OBM
OBM
9
5
7 6
5
4
3
2
OBM
OBM
1
OBM
3. Put dowel pin 4 on the pump case (lower) 3, and attach
pump case guide plate gasket 5 and pump case guide
plate 6.
8
7
4.
9
Attach water pump impeller key 7 to drive shaft 8, align
the key with the water pump impeller 9 side key groove,
and install the impeller.
6-94
2st 50D