26
T
o ch
e
c
k
v
al
v
e
c
lea
r
a
nc
e
:
T
h
e
e
ng
i
n
e
s
h
o
u
l
d
b
e
c
oo
l
b
e
f
o
r
e
c
h
e
c
k
i
ng
.
I
f
v
a
l
v
e
c
l
ea
r
a
n
c
e
i
s
•
0
.
002
"
- 0
.
004
"
(0
.
05 - 0
.
1mm)
,
a
d
j
u
s
t
m
e
n
t
i
s
n
o
t
n
ee
d
e
d
.
R
e
m
o
v
e
s
p
a
r
k
p
l
ug
w
i
r
e
s
a
nd
p
o
s
i
t
i
o
n
w
i
r
e
s
a
w
a
y
f
r
o
m
p
l
ug
s
.
•
R
e
m
o
v
e
s
p
a
r
k
p
l
ug
s
.
•
M
a
k
e
s
u
r
e
t
h
e
p
i
s
t
o
n
i
s
a
t
To
p
D
ea
d
C
e
n
t
e
r
(
T
DC)
o
f
i
t
s
c
o
m-
•
p
r
e
ss
i
o
n
s
t
r
o
k
e
(
bo
t
h
v
a
l
v
e
s
c
l
o
s
e
d
)
.
To
g
e
t
t
h
e
p
i
s
t
o
n
a
t
T
DC
,
r
e
m
o
v
e
t
h
e
i
n
t
a
k
e
s
c
r
ee
n
a
t
t
h
e
f
r
o
n
t
o
f
t
h
e
e
ng
i
n
e
t
o
g
a
i
n
a
cc
e
ss
t
o
t
h
e
f
l
yw
h
ee
l
nu
t
.
Us
e
a
l
a
r
g
e
s
o
c
k
e
t
a
nd
s
o
c
k
e
t
w
r
e
n
c
h
t
o
r
o
t
a
t
e
t
h
e
nu
t
a
nd
h
e
n
c
e
t
h
e
e
ng
i
n
e
i
n
a
c
l
o
c
k
w
i
s
e
d
i
r
e
c
t
i
o
n
.
W
h
il
e
w
a
t
c
h
i
ng
t
h
e
p
i
s
t
o
n
t
h
r
o
ugh
t
h
e
s
p
a
r
k
p
l
ug
h
o
l
e
.
T
h
e
p
i
s
t
o
n
s
h
o
u
l
d
m
o
v
e
up
a
nd
d
o
w
n
.
T
h
e
p
i
s
t
o
n
i
s
a
t
T
DC w
h
e
n
i
t
i
s
a
t
i
t
s
h
i
gh
e
s
t
p
o
i
n
t
o
f
t
r
a
v
e
l
.
T
o
a
d
j
us
t
v
al
v
e
c
lea
r
a
nc
e
(
i
f
n
e
c
e
ss
a
r
y
)
,
(F
i
gu
r
e
4
.
9
)
:
M
a
k
e
s
u
r
e
t
h
e
e
ng
i
n
e
i
s
a
t
60
°
t
o
80
°
F
.
•
M
a
k
e
s
u
r
e
t
h
a
t
t
h
e
s
p
a
r
k
p
l
ug
w
i
r
e
i
s
r
e
m
o
v
e
d
f
r
o
m
t
h
e
s
p
a
r
k
•
p
l
ug
a
nd
o
u
t
o
f
t
h
e
w
a
y
.
R
e
m
o
v
e
t
h
e
f
o
u
r
s
c
r
e
ws
a
tt
a
c
h
i
ng
t
h
e
v
a
l
v
e
c
o
v
e
r
.
•
L
oo
s
e
n
t
h
e
r
o
c
k
e
r
j
a
m
nu
t
.
Us
e
a
n
10mm
a
ll
e
n
w
r
e
n
c
h
t
o
t
u
r
n
•
t
h
e
p
i
v
o
t
b
a
ll
s
t
ud
w
h
il
e
c
h
e
c
k
i
ng
c
l
ea
r
a
n
c
e
b
e
t
w
ee
n
t
h
e
r
o
c
k
e
r
a
r
m
a
nd
t
h
e
v
a
l
v
e
s
t
e
m w
i
t
h
a
f
ee
l
e
r
g
a
ug
e
.
C
o
rr
e
c
t
c
l
ea
r
a
n
c
e
i
s 0
.
002-0
.
004
i
n
c
h
(0
.
05-0
.
1 mm)
.
NOTE:
Ho
l
d
t
he ro
ck
er arm
j
am nu
t
i
n p
l
a
c
e as
t
he p
i
vo
t
ba
ll
s
t
ud
i
s
t
urned
.
W
h
e
n
v
a
l
v
e
c
l
ea
r
a
n
c
e
i
s
c
o
rr
e
c
t
,
h
o
l
d
t
h
e
p
i
v
o
t
b
a
ll
s
t
ud
i
n
p
l
a
c
e
w
i
t
h
t
h
e
a
ll
e
n
w
r
e
n
c
h
a
nd
t
i
gh
t
e
n
t
h
e
r
o
c
k
e
r
a
r
m
j
a
m
nu
t
.
T
i
gh
t
e
n
t
h
e
j
a
m
nu
t
t
o
174
i
n
/
l
b
s
.
t
o
r
qu
e
.
A
f
t
e
r
t
i
gh
t
e
n
i
ng
t
h
e
j
a
m
nu
t
,
r
e
c
h
e
c
k
v
a
l
v
e
c
l
ea
r
a
n
c
e
t
o
m
a
k
e
s
u
r
e
i
t
d
i
d
n
o
t
c
h
a
ng
e
.
I
n
s
t
a
ll
n
e
w
v
a
l
v
e
c
o
v
e
r
g
a
s
k
e
t
.
•
R
e
-
a
tt
a
c
h
t
h
e
v
a
l
v
e
c
o
v
e
r
.
•
F
i
gure 4
.
9
-
V
a
l
v
e C
l
earance Ad
j
us
t
men
t
Jam Nut
Pivot Ball
Stud
Rocker
Arm
Valve
Stem
NOTE:
S
t
ar
t
a
ll
f
our s
c
re
w
s be
f
ore
t
i
gh
t
en
i
ng or
i
t
w
ill
no
t
be
poss
i
b
l
e
t
o ge
t
a
ll
t
he s
c
re
w
s
i
n p
l
a
c
e
.
Ma
k
e sure
t
he
va
l
ve
c
over gas
k
e
t
i
s
i
n p
l
a
c
e
.
I
n
s
t
a
ll
s
p
a
r
k
p
l
ug
s
.
•
R
e
-
a
tt
a
c
h
t
h
e
s
p
a
r
k
p
l
ug
w
i
r
e
t
o
t
h
e
s
p
a
r
k
p
l
ug
.
•
O
n
t
h
e
G
T
-530
a
nd
G
T
-990
/
999
,
r
e
p
ea
t
t
h
e
p
r
o
c
e
ss
f
o
r
t
h
e
•
o
t
h
e
r
c
y
li
nd
e
r
.
4
.
8 COO
L
I
NG
S
Y
S
T
E
M
A
i
r
i
n
l
e
t
a
nd
o
u
t
l
e
t
o
p
e
n
i
ng
s
i
n
t
h
e
g
e
n
e
r
a
t
o
r
c
o
m
p
a
r
t
m
e
n
t
m
u
s
t
b
e
o
p
e
n
a
nd
un
ob
s
t
r
u
c
t
e
d
f
o
r
c
o
n
t
i
nu
e
d
p
r
o
p
e
r
o
p
e
r
a
t
i
o
n
.
T
h
i
s
i
n
c
l
ud
e
s s
u
c
h
ob
s
t
r
u
c
t
i
o
n
s
a
s
h
i
gh
g
r
a
ss
,
w
ee
d
s
,
b
r
u
s
h
,
l
ea
v
e
s
a
nd
s
n
o
w
.
W
i
t
h
o
u
t
s
u
ff
i
c
i
e
n
t
c
oo
li
ng
a
nd
v
e
n
t
il
a
t
i
ng
a
i
r
f
l
o
w
,
t
h
e
e
ng
i
n
e
/
g
e
n
-
e
r
a
t
o
r
qu
i
c
k
l
y
o
v
e
r
h
ea
t
s
,
w
h
i
c
h
c
a
u
s
e
s
i
t
t
o
qu
i
c
k
l
y s
hu
t
d
o
w
n
.
(S
ee
F
i
gu
r
e
4
.
10
f
o
r
v
e
n
t
l
o
c
a
t
i
o
n
s
.
)
M
a
k
e
s
u
r
e
t
h
e
d
oo
r
s
a
nd
r
oo
f
a
r
e
i
n
p
l
a
c
e
du
r
i
ng
o
p
e
r
a
t
i
o
n
a
s
r
unn
i
ng
t
h
e
g
e
n
e
r
a
t
o
r
w
i
t
h
t
h
e
m
r
e
m
o
v
e
d
c
a
n
e
ff
e
c
t
c
oo
li
ng
a
i
r
m
o
v
e
m
e
n
t
.
The e
x
haus
t
f
rom
t
h
i
s produ
c
t
ge
t
s e
x
t
reme
l
y
ho
t
and rema
i
ns ho
t
a
f
t
er shu
t
do
w
n
.
H
i
gh grass
,
w
eeds
,
brush
,
l
eaves
,
e
t
c
.
mus
t
rema
i
n
c
l
ear o
f
t
he e
x
haus
t
.
Su
c
h ma
t
er
i
a
l
s may
i
gn
i
t
e and burn
f
rom
t
he hea
t
o
f
t
he e
x
haus
t
sys
t
em
.
F
i
gure 4
.
10
–
Coo
l
i
ng
V
en
t
L
oca
t
i
ons
The ma
x
i
mum amb
i
en
t
t
empera
t
ure
f
or
t
he gen-
era
t
or
i
s 25
°
C (77
°
F)
.
Se
c
t
i
on 4
—
Ma
i
n
t
enan
c
e
A
i
r-
c
oo
l
ed Genera
t
ors