Toyota 2F - Page 25

3- 12
Fig. 3 · 30
Fig. 3·31
Fig. 3·32
• .,,-
Fig. 3. 33
ENGINE SERVICE - Cy li nder Head
IN 14mm
IO~S 11•1
EX 1o1 """
067 .. 1
J
•
"
·~
,_
~
&4
(2) If 1he seat POS111on os too low. use a
45° and 30° cutters m the order ondo·
ca1ed
(31 Check 1he valve conccn1nc11y
Lightly
coa1 1he seal w11h pruss1an
blue
lns1all 1h e valve and ro1a1e II blue
appears
360° around the face. 1he
valve stem and face are concentric
II not. <eplace the valve.
/\her cor r ec11on . the valve an d vn lve se~11
should be lappod hghlly with a l9pp1 ng
compound
~ Valve Spring
~ 1 Check 1he squareness of the valve sp11ng
v1 1 1h a square
Squareness:
Limit 1.8 mm
10. 071 in.}
Fig . 3 . 34
Fig. 3· 35
I
Fig. 3· 36
(
-
Fi g. 3. 37
ENGINE SERVICE - Cylinder Head
3- 13
Measure the spring free leng th Replace
any spring that does not mee1 spec1fica·
t1on .
Free length: 61 .6 mm
(2. 028 in .I
Usong a spnng tes1er. measure lhe 1enst0n
ol each spring at the specofoed ms1allcd
length
Replace
any spring 1ha1 does no1 meet
spec1hcat1on
Installed length : 43 .0 mm
(1. 693 In .I
Installed load:
STD 32 .5 kg
(71.6 lbl
Limit 27 kg
(59.6 lbl
Rocker Arm & Shaft
1 Check th e rocker arm 10 sha ll clearance II
worn excessivel y. disassemble and chock
.&. 2
Arrange the rocker shah and rocker sup·
POrL