EM·SO
ENGINE MECHANICAL
-
T i m i ng Gears and CamSha l l
1 0.
CHECK B A C K L A S H O F A U T O M A T I C T I M E R D R I V E
G E A R A N D C A M S H AFT T I M I N G G E A R
U s i n g
a
d i a l
indicator, measure the
blacklash.
Standard backlash:
Automatic timer
drive
gear
0.050 - 0 . 1 1 1
mm
(0.00 1 9 - 0,0043
i n . )
C a m s h a f t
timing
g e a r 0 . 0 5 0 - 0 . 1 1 3
rnm
(0.00 1 9 - 0. 0044
in.1
Max imum bac klash:
0,30
mm
(0.0 1 1 8
in.)
If
the
backlash is
greater than
maximum, r
e
p
la
c
e the
gears
as set.
1 1 .
REMOVE AUTOMATIC T I M E R
(al
Re
m
o
v
e
t h e
r
o u
nd n u t a n d washer
( 1 2 H - n ,
(b) Using SST.
remove
t
h
e
timer.
SST
092 60·4 70 1 0 109 2 6 7 · 7 60201