Komatsu ecot3 PC300LC-8 Shop Manual page 921

50 Disassembly and assembly
2] Under the above condition, measure
dimension (a).
3] Measure thickness (b) off the inde-
pendent nut (24).
4] Determine Calculate a – b = c
5] Using tool D1, tighten nut (24) until
dimension (d) becomes the value of
(c) calculated above.
6] Using push-pull scale [5], measure
tangential force of the hub to the
motor case in the rotation direction.
a Tangential force:
a The tangential force denotes the
maximum force at start of the
rotation.
PC300, 350-8
Max. 490 N {50 kg}
7] Install lockplate (23).
a When installing the lockplate, avoid notch
(j) of the travel motor and fit it to the spline
totally (under the condition of (k))
2
Thread of mounting bolt:
3
Mounting bolt:
a Do not apply the adhesive (LT-2) to the
tapped portion of the nut.
3. No.2 carrier assembly
1) Assemble No. 2 carrier assembly as fol-
lows.
a Replace thrust washers (19) and (22)
as well as pin (16) with new ones.
a There are traces of expansion on the
end surface of carrier side hole (e)
which were originally caused when
the pin was inserted. Make such the
end surfaces are smooth enough
before reassembly.
1] Assemble bearing (21) to gear (20), fit
top and bottom thrust washers (19)
a n d ( 2 2 ) a n d t h e n s e t t h e g e a r
assembly on carrier (18).
SEN02637-02
Adhesive (LT-2)
59 – 74 Nm {6 – 7.5 kgm}
7