Mitsubishi S4E - Page 133

side, fit bearing shells to the big end, and to Ihe
ea ps. oiling the sheil!; :as in the case of main bearing
shells. Have t he p!~tons lnd piston rings adequately
oHed .
(a) Distribute the ring jOints, 115 shown, and reed
the piston into the cylinder by using th~ piston
gUide (A), positioning the pi ston in such a way
that the match mark provided on tM connect-
ing r od comes 011 cam s haft sid e.
(b) Secure the four ""ps by tightening Ihe B cap
nulS to 8 .5 ± 0.5 kg-m (6 1.5 ± 3.6 fl ·lb).
~
No . 2 ring jOint (\
No. t fll 1.lJ joint
"Ie:
...
Pr'coMbunlan<hamber'Side
Con figuration of p iston ring Joints
2.fiston A-Pis ',on guid!
In se ning p iston
§ rE)
Be f ore inser1ing the pisl o n-3J ld- rod combma -
tions into the cylinde rs, have the cap bolts
studded in the big en d s. Be sure to matc h each
cap to it' big end as governed by the mark,.
DISASSE MBLY AN D REASSEMBLY
3-Csp
4-Nut ~8 pes}
Tighteni ng big-end cap nuts
(9) Ch ec k the ' i de play.or each c onne cting· rod big end
by b. urin g it to one s ide and inserting a thickn e ss
gauge into the clearance . If the cl earance (s.ide
pl ay ) nlearured excee ds: semc e limit, th e bearing
shells. Or connecting rod must be r epla ce.d.
Unit; mm (in.!
Standard
Ser ... ic~
It em
l imi t
0.1 5 -0. 35 0. 50
Big end side play
(0.0059 - 0.0138)
(0 .020)
(10) Attach the front plate (I) (on whlch the Injection
pump is mounted), and secure the plate to crank·
case by tightening it , two mounhng bolts ( 2) t
2.1
kg·m (15.2 ft.lb).
, ·Froot pl ~ te 2-801t (2 PCS.
Se cu ring front plate to crankc ase
(11) Insen t he c.amshaft gently into crank"",.. Seour.
the cam,h.n thrust plate to crank"",. by tighten-
ing its bolts with the wrench put to each bolt
head through the hole provided in camshaft gear:
th e holes afe indicated by the arrows.
127