Measurement Of Back Lash Between Forward (A) And Pinion (B) Gears And Shim Selection - TOHATSU MD 70-90C2 Service Manual

Lower Unit
31) Measurement of Back Lash
between Forward (A) and Pinion (B)
Gears and Shim Selection
Before measuring backlash between
forward (A) and pinion (B) gears, measure
pinion (B gear height.
Refer to "Measurement of Pinion (B) Gear
Height and Shim Selection" in Chapter 6.
1. In accordance with procedure described in "Assembling
Lower Unit" steps 1 to 7 on Chapter 6, install parts up to
pump case (lower).
Install dial gauge plate 1 and secure it with bolt (M8-35)
2.
and flat washer 8.
M8 Bolt (L=35mm) + Flat Washer 8 :
13N · m (9.0 lb · ft) [1.3kgf · m]
Install backlash measuring tool parts 2 to 7 and secure
3.
them with installation bolts (M8 L=30mm) 8.
Dial Gauge Plate 1 :
P/N. 3B7-72729-0
Backlash Measuring Tool Kit :
P/N. 3B7-72234-0
Backlash Measuring Tool Shaft 2 :
P/N. 3B7-72723-0
Backlash Measuring Tool Plate 3 :
P/N. 3B7-72724-0
Nut M12P1.5 4 :
P/N. 3B7-72735-0
Cone Disk Spring 5 :
P/N. 3B7-72734-0
Measuring Tool Set Piece 6 :
P/N. 3B7-72245-0
O Ring 7 :
P/N. 332-60002-0
· Fixing gear case on the holder with its propeller
shaft opening facing upward makes the work
easier.
· Be sure that cone discs 5 are arranged as
illustrated. Put three of the parts aligned in the
same direction, and then, put both sets of the
parts with their convex sides face-to-face.
6-34
CAUTION
8
1
2
7
6
TLDI 75/90C2 2010
3
4
8
5