Precoated Bolts; High Pressure Hose Fitting Tightening Torque - Toyota 7FBE10 User Manual

PRECOATED BOLTS

HIGH PRESSURE HOSE FITTING TIGHTENING TORQUE

1. When connecting a high pressure hose, wipe the hose fitting and corresponding nipple contact
surfaces with a clean cloth to remove foreign matter and dirt. Also check that there are no dents or
other damage on the contact surfaces before installation.
2. When connecting the high pressure hose, hold the hose to align the fitting with the nipple and tighten
the fitting.
3. The maximum tightening torque must not exceed twice the standard tightening torque.
Nominal diameter
of screw
7/16-20UNF
9/16-18UNF
3/4-16UNF
7/8-14UNF
7/8-14UNF
1•1/16-12UNF
1•5/16-12UNF
PF1/4
PF3/8
PF1/2
PF3/4
PF1
1.
NOTE:
For torque check, tighten the bolt at the lower limit of the
allowable tightening torque range; if the bolt moves,
Seal lock agent
retighten it according to the steps below.
2.
Tightening torque standard N·m (kgf·cm) [ft·lbf]
Standard
25 (50) [18.1]
49 (500) [36.2]
59 (600) [43.4]
59 (600) [43.4]
78 (800) [57.9]
118 (1200) [86.8]
137 (1400) [101.3] 130 to 144 (1330 to 1470) [96.2 to 106.4]
25 (250) [18.1]
49 (500) [36.2]
59 (600) [43.4]
118 (1200) [86.8]
137 (1400) [101.3] 130 to 144 (1330 to 1470) [96.2 to 106.4]
Do not replace or restore a precoated bolt as it is in the
following cases:
(1) After it has been removed.
(2) When it has been moved by tightness check, etc.
(loosened or tightened)
How to reuse precoated bolts
(1) Wash the bolt and threaded hole.
(The threaded hole must be washed even when
replacing the bolt with a new one)
(2) Completely dry the washed parts by blowing with air.
(3) Apply a specified seal lock agent to the threaded
portion of the bolt.
Tightening range
24 to 26 (240 to 270) [17.4 to 19.5]
47 to 52 (480 to 530) [34.7 to 38.3]
56 to 62 (570 to 630) [41.2 to 45.6]
56 to 62 (570 to 630) [41.2 to 45.6]
74 to 82 (740 to 840) [53.5 to 60.8]
112 to 123 (1140 to 1250) [82.5 to 90.4]
24 to 26 (240 to 270) [17.4 to 19.5]
47 to 52 (480 to 530) [34.7 to 38.3]
56 to 62 (570 to 630) [41.2 to 45.6]
112 to 123 (1140 to 1250) [82.5 to 90.4]
0-17
Inside diameter
of hose
mm (in)
6 (0.24)
9 (0.35)
12 (0.47)
12 (0.47)
15 (0.59)
19 (0.75)
25 (0.98)
6 (0.24)
9 (0.35)
12 (0.47)
19 (0.75)
25 (0.98)