Toyota 2F - Page 38

3 - 38
Fig. 3-114
Fig. 3- 117
1
ENGI NE SERVICE - Cylinder Block
..
El
2. Rem ove th e piston ring with a piston ring
expand
er.
r::J 3. Remove th e piston p 11 1 bolt.
~
2
Push out th e pi s1on pin.
Alter disassembly. arrange 1he pans m
cor r ect orde r.
Fig. 3- 118
Fig. 3-119
Fig. 3· 120
Fig . 3- 121
E NGINE SERVICE - Cylin de r Block
3-39
~ 7 .
~ 8 .
Check th e pi s1o n pin lirness.
Coat !he
pin wuh engine oil.
It should th en be possible 10 push 1he pin
into
the pis ton hole whh thu mb pressure.
Measure the
oi l cl ea rance between the
pist on and pist on pin . II it exceeds 1he
li mit re place th e piston and pin as a set.
Oil clearance:
STD 0.008 - 0.012 mm
(0.0003 - 0. 0005 in.I
Limit 0. 07 mm
(0. 0028 in.)
Check 1he connecting rod for bending or
tw is ti ng.
Bend per 10 0 mm (3.94 in .):
Lim it 0.05 mm
(0. 0020 In .)
Twist per 100 mm (3. 94 in.):
Li n1 it 0. 16 n1m
(0. 0059 i n.)
Piston Clear ance
I Measure tho piston diameter a 1 rig ht
angle to the piston pin center line.
Measurernen t 1nu st be made at room tam ·
perature (20°C or 68°F)
Piston
diameter :
S TD 93.96 - 94.01 mm
(3.6992 - 3. 7012 in.)