8 - 22
2
Measurement Procedures (continued)
f
Measurement of outer diameter of spool 123 - take
measurements at points
A
to
E
in both the
X
and
Y
directions. Deduct the average of these readings from
those in (g) below.
g
Measurement of internal diameter of spool hole in rear
flange
101
- use a 1 mm full scale dial gauge
F
and a
cylinder gauge
G
of measuring range 18 - 35 mm. Set
up the dial gauge by inserting the cylinder gauge into a
20 mm standard ring gauge. Zero the dial scale.
Measure the diameter at points
H
to
N
. From the
average of these readings, deduct the average of the
readings taken in (f). For tolerances see Wear Limits
Table, item 1 (m).
h
Measurement of lateral ball joint wear between piston
P
and shoe
R
. See Wear Limits Table, item 1 (n).
Section F
Transmission
9803/6020
Section F
8 - 22
Issue 1
Track Gearbox
299660
299670
299680
P
P
R
R
N
N M
M L
L K
K J
J H
H
G
G
F
F
Summary of Contents for JS70
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