Toyota 3b Repair Manual page 72

ENGINE MECHANICAL
-
Timing Gears and Camshaft
(c)
Align the
idle gear timing mark
O
with the
injection
pump drive gear
timing
mark
O,
and mesh the gears.
7.
8.
INSTALLVACUUM PUMP
CHECK TIMING GEAR BACKLASH
(See page EM-55)
Standard
backlash:
O.O58
-
O'162 mm
(O.OO23
-
O.OO64
in.)
Maximum
backlash:
O.3O
mm
(O.O1
18 in.)
CHECK IDLE GEAR THRUST CLEARANCE
(See page EM-55)
Standard thrust
clearance: 0'06
-
0.17 mm
(O.OO24
-
0.0067 in.)
Maximum thrust
clearance:
O.3O
mm (0.O118 in')
INSTALL TIMING GEAR COVER
HINT:
Use
the bolts indicated by
A,
B and
C.
(a)
Gradually heat the timing gear cover to approx. 60oC
(140oF).
9.
10.
rTlllflnnnmr----18
B
flrfilflrrflrrm{E
c
EM1
255
t{{(11'11i111i1
(b)
lnstall a new gasket and the warmed gear cover with
seventeen bolts.
Torque:
A
375 kg-cm
127
ft-,b' 37 N'm)
B
and
C
185 kg-cm (13 ft-lb, 18 N'm)