8 - 40
Setting-up Procedures
Pre-load of Bearings 21
1
Install the main bearing pre-load adjusting jig (see
Service Tools,
Section 1
) into the spindle
2
, making sure
the jig seats evenly with bearing
21
and does not foul
taper bearing
22
. Tighten the jig nut to a torque of 39.2
Nm (28.9 lbf ft).
2
Measure depth
A
via the measurement hole in jig
E
using a depth micrometer
F
. If not already known,
measure the thickness
B
of the lip of jig
E
.
Calculated dimension
C
(i.e.
A - B
) determines the
required dimension
D
of holding flange (see step
3
).
3
Measure dimension
D
on the existing holding flange
3
.
Proceed according to the following guidelines:
a
If dimension
D
is less than the calculated dimension
C
, grind surface
G
to achieve the required measurement
before assembling.
b
If dimension
D
is within the tolerance of the
calculated dimension
C
, use the holding flange as it is.
c
If dimension
D
is greater than the calculated
dimension
C
replace both the holding flange
3
and the
spindle
2
. Having reached the appropriate point of the
assembly procedure, re-check the bearings pre-load as
described above.
Section F
Transmission
9803/6020
Section F
8 - 40
Issue 1
Track Gearbox
2879840
287950
D
D
3
3
G
G
E
E
F
F
A
A
C
C
B
B
Summary of Contents for JS70
Page 65: ......
Page 99: ......
Page 189: ...Section E Section E Hydraulics 9803 6020 Issue 1 33 4 33 4 Control Valves Control Valve 291360...
