TOHATSU MD 70-90C2 Service Manual page 210

Lower Unit
Install pinion (B) gear 5 and tighten pinion (B) gear nut 6
3.
to specified torque.
· Tighten the nut by using a drive shaft socket 8
and a wrench and turning the wrench clockwise.
Cover the wrench 7 with rag to prevent it from
hitting the case directly.
· This work can be made easier when the
opening of gear housing of propeller shaft side
is faced upward and fixed horizontally with a
holder.
· Before tightening pinion (B) gear and nut, apply
ThreeBond 1342 to the thread.
· Degrease taper area of drive shaft pinion (C)
gear installation section and thread of gear nut
completely.
Bevel Gear B Nut Wrench 7 :
P/N. 3B7-72231-0
Drive Shaft Socket 8 :
P/N. 3B7-72232-0
Pinion (B) Gear Nut 6 :
110N · m (80 lb · ft) [11kgf · m]
Attach shim 0 that is removed when disassembling taper
4.
roller bearing outer race 9.
Attach O ring w to pump case (lower) q and install pump
5.
case (lower) to gear case.
Apply OBM grease to O ring.
OBM
OBM OBM OBM
Put dowel pin e on the pump case (lower) q, and attach
6.
pump case guide plate gasket r and pump case guide
plate t.
Attach water pump impeller key y to drive shaft 4, align
7.
the key with the water pump impeller u side key groove,
and install the impeller.
6-40
8
4
y
7
q
OBM OBM OBM
OBM
w
u
TLDI 75/90C2 2010