Toyota 1HD-FT Repair Manual page 64

ENGINE - ENGINE MECHANICAL
EG-51
(0)
Using a spring tester, measure the tension of the valve
spring at the specified installed length.
Installed tension:
237 - 263 N (24.2 - 26.8 kgt. 53.4 - 59.1 Ibt)
at
39.5
mm
(1.555
in.)
If the installed tension is not as specified. replace the
valve spring.
EG
EM0281
9. INSPECT VALVE ROCKER ARM AND SHAFT
(a) Check that each rocker arm turns smoothly.
If movement is felt. disassemble and check.
(b) Remove the bolt. and disassemble the parts.
HINT: Arrange the disassembled parts in correct
order.
No.1(l) NO.7 121 Others (3)
~~~
~ ~Mar~
{51
{51
{31
u
~
(51
(5)
Intake (4) Exhaust (5)
{41
Valve Rocker Arm
(21
(2)
. Valve Rocker Shah
Mark 7
Nozzle Holder
~~~
Mark 1
Camshaft Bearing Cap
P2Jl92
{41
,,,,,,
(e)
Using a caliper gauge. measure the inside diameter of
the rocker arm.
Rocker arm inside diameter:
20.012 - 20.033 mm (0.7879 - 0.7887 in.)
"""