Toyota 7FBCU 15-55, Руководство пользователя

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0-15
PRECOAT BOLTS
(Bo lt s w it h sea l l ock agen t coa ti ng on t h r eads)
1 . Do no t use t he p r ecoa t bo lt as it i s i n e it he r of t he
fo ll ow i ng cases:
(a) Af t e r it i s r emoved .
(b) When t he p r ecoa t bo lt i s moved ( l oosened o r
ti gh t ened) by ti gh t ness check , e t c .
Note:
For torque check, use the l ower li m i t o f the
a ll owab l e t i ghten i ng torque range. I f the bo l t moves,
ret i ghten i t accord i ng to the steps be l ow.
2 . Me t hod fo r r euse of p r ecoa t bo lt s
(1) Wash t he bo lt and t h r eaded ho l e . (The t h r eaded ho l e
mus t be washed even fo r r ep l acemen t of t he bo lt . )
(2) Pe r fec tl y d r y t he washed pa rt s by a ir b l ow i ng .
(3) Coa t t he spec i f i ed sea l l ock agen t t o t he t h r eaded
po rti on of t he bo lt .
H I GH PRESSURE HOSE F I TT I NG T I GHTEN I NG TORQUE
1 . When connec ti ng a h i gh p r essu r e hose , w i pe t he hose f itti ng and ma ti ng n i pp l e con t ac t su r faces w it h
c l ean c l o t h t o r emove fo r e i gn ma tt e r s and d irt . A l so check no den t o r o t he r damage on t he con t ac t
su r faces befo r e i ns t a ll a ti on .
2 . When connec ti ng a h i gh p r essu r e hose , ho l d t he hose t o a li gn t he f itti ng w it h t he n i pp l e and ti gh t en t he
f itti ng .
3 . The max i mum ti gh t en i ng t o r que mus t no t exceed t w i ce t he s t anda r d ti gh t en i ng t o r que .
Sea l l ock agen t
Nom i na l d i ame t e r
of sc r ew
S t anda r d ti gh t en i ng t o r que N
⋅
m (kgf-cm) [ f t - l bf ]
Hose i ns i de
d i ame t e r mm ( i n)
S t anda r d T i gh t en i ng r ange
7 / 16

20UN F 25 (250) [ 18 . 1 ] 24 ~ 26 (240 ~ 270) [ 17 . 4 ~ 19 . 5 ] 6 (0 . 24)
9 / 16

18UN F 49 (500) [ 36 . 2 ] 47 ~ 52 (480 ~ 530) [ 34 . 7 ~ 38 . 3 ] 9 (0 . 35)
3 / 4

16UN F 59 (600) [ 43 . 4 ] 56 ~ 62 (570 ~ 630) [ 41 . 2 ~ 45 . 6 ] 12 (0 . 47)
7 / 8

14UN F 59 (600) [ 43 . 4 ] 56 ~ 62 (570 ~ 630) [ 41 . 2 ~ 45 . 6 ] 12 (0 . 47) , 15 (0 . 59)
1
⋅
1 / 16

12UN F 118 (1200) [ 86 . 8 ] 112 ~ 123 (1140 ~ 1250) [ 82 . 5 ~ 90 . 4 ] 19 (0 . 75)
1
⋅
5 / 16

12UN F 137 (1400) [ 101 . 3 ] 130 ~ 144 (1330 ~ 1470) [ 96 . 2 ~ 106 . 4 ] 25 (0 . 98)
P F1 / 4 25 (250) [ 18 . 1 ] 24 ~ 26 (240 ~ 270) [ 17 . 4 ~ 19 . 5 ] 6 (0 . 24)
P F3 / 8 49 (500) [ 36 . 2 ] 47 ~ 52 (480 ~ 530) [ 34 . 7 ~ 38 . 3 ] 9 (0 . 35)
P F1 / 2 59 (600) [ 43 . 4 ] 56 ~ 62 (570 ~ 630) [ 41 . 2 ~ 45 . 6 ] 12 (0 . 47)
P F3 / 4 118 (1200) [ 86 . 8 ] 112 ~ 123 (1140 ~ 1250) [ 82 . 5 ~ 90 . 4 ] 19 (0 . 75)
P F1 137 (1400) [ 101 . 3 ] 130 ~ 144 (1330 ~ 1470) [ 96 . 2 ~ 106 . 4 ] 25 (0 . 98)