Toyota 5FGC Series Manual page 9

PRECOAT BOLTS
(Bolts coated wrth seal lock agent on threads)
1 Do not use the precoat bolt as it
any of the follow~ng cases
When the precoat bolt
)
When the precoat bolt 1 s moved
(loosened or tightened) rn tighten-
Reference :
The tightening torque must be checked
with the lower limit of the allowable
tightening toque range. If the bolt moves,
retighten it according to the following
procedure:
2.
Reusing the precoat bolt
Clean the bolt and threaded hole.
(Clean the threaded hole even
when the precoat bolt
replaced. j
1.
Before connecting a h ~ g h pressure hose, wipe the high pressure hose fitting and mating n ~ p p l e
contact surfaces with clean cloth to remove foreign matters and dirt. Check that there
dent or other surface defect on the contact surface.
2.
tightening.
3 .
The maximum t ~ g h t e n ~ n g
of screw
7/16 -20UNF
9/16 -18UNF
3 / 4
7/8
PF
1
I
removed
to be
torque must not exceed twice the standard t~ghtening torque.
Standard t~ghtenrng torque
Standard
2 4 - 2 6 1 1 7 3 1 8 8 )
4 8 - 5 3 1 3 4 7 - 3 8 3 )
6 0 43 3) 5 7 - 6 3 1 4 1 2 - 4 5 5 )
6 0 ( 4 3 3 ) 5 7 - 6 3 1 4 1 2 -
4 8 - 5 3 1 3 4 7 -
5 0 ( 3 6 2 ) 4 8 - 5 3 3 3 4 7 -
5 7 - 6 3 1 4 1 2 - 4 5 5 )
1 3 3 - 1 4 7 1 9 6 0 - 1 0 6 1 )
I
I
Dry the precoat bolt sufficiently by
( 3 )
Coat the specifred seal lock agent
on the theaded hole for the bolt.
kg-cm (ft-l b)
91 0)
3 8 3 )
3 8 3 )
91 0 )
I
84460
no
Hose ~ n s ~ d e
diameter
m m
6
9
12
12
19
25
9
9
,
12
19
2 5