![Chevrolet 1977 Monte Carlo Скачать руководство пользователя страница 416](http://html1.mh-extra.com/html/chevrolet/1977-monte-carlo/1977-monte-carlo_repair-manual_2596774416.webp)
10-2
M ETRIC A N D FASTENER IN FO R M A TIO N
REUSE OF PREVAILING TORQUE NUT(S) A N D BOLT(S)
PREVAILING TORQUE NUTS ARE THOSE NUTS WHICH
INCORPORATE A SYSTEM TO DEVELOP AN INTERFERENCE
BETWEEN NUT AND BOLT THREADS INTERFERENCE IS MOST
COMMONLY ACHIEVED BY DISTORTING TOP OF ALL-METAL
NUT, BUT ALSO MAY BE ACHIEVED BY DISTORTING AT
MIDDLE OF HEX FLAT, BY NYLON PATCH ON THREADS, BY
NYLON WASHER INSERT AT TOP OF NUT AND BY NYLON
INSERT THROUGH NUT.
PREVAILING TORQUE BOLTS ARE THOSE BOLTS WHICH
INCORPORATE A SYSTEM TO DEVELOP AN INTERFERENCE
BETWEEN BOLT AND NUT OR TAPPED HOLE THREADS.
INTERFERENCE IS ACHIEVED BY DISTORTING SOME OF THE
THREADS (SEVERAL METHODS EXIST), BY APPLYING A
NYLON PATCH OR STRIP OR BY ADHESIVE COATING ON
THREADS.
PREVAILING TORQUE NUTS
PREVAILING TORQUE BOLTS
t i D 2 5
TOP LOCK MANY
TYPES
NYLON
INSERT
CED
CENTER
LOCK
DRY ADHESIVE COATING
NYLON
PATCH
Q T )
Q
NYLON
WASHER
INSERT
ZJ
NYLON STRIP OR PATCH
OUT OF ROUND THREAD AREA
( Q
THREAD PROFILE DEFORMED
RECOMMENDATIONS FOR REUSE
A. CLEAN. UNRUSTED PREVAILING TORQUE BOLTS AND NUTS MAY BE REUSED AS
FOLLOWS:
1.
CLEAN DIRT AND OTHER FOREIGN MATERIAL OFF NUT AND BOLT.
2.
INSPECT BOLT AND NUT TO ASSURE THERE ARE NO CRACKS. ELONGATION OR
OTHER SIGNS OF ABUSE OR OVERTIGHTENINC. LIGHTLY LUBRICATE THREADS. (IF
ANY DOUBT. REPLACE WITH NEW PREVAILING TORQUE FASTENER OF EQUAL OR
GREATER STRENGTH.)
3.
ASSEMBLE PARTS AND START BOLT OR NUT.
4.
OBSERVE THAT BEFORE FASTENER SEATS. IT DEVELOPS PREVAILING TORQUE PER
CHART BELOW. (IF ANY DOUBT. INSTALL NEW PREVAILING TORQUE FASTENER OF
EQUAL OR GREATER STRENGTH).
5.
TIGHTEN TO TORQUE SPECIFIED IN SERVICE MANUAL.
B
BOLTS AND NUTS WHICH ARE RUSTY OR DAMAGED SHOULD BE REPLACED WITH NEW
METRIC SIZES
6 & 6.3
8
10
12
14
16
20
NUTS AND
N
mii
0.4
0.8
1.4
”>
~)
3.0
4.2
7.0
ALL METAL BOLTS
In. Lbs.
4.0
7.0
12
18
25
35
57
ADHESIVE OR NYLON
N
mii
0.4
0.6
1.2
1.6
2.4
3.4
5.6
COATED BOLTS
In. Lbs.
4.0
5.0
10
14
20
28
46
INCH SIZES
.250
.312
.375
.437
.500
.562
.625
.750
NUTS AND
ALL METAL BOLTS
N
mii
0.4
0.6
1.4
1.8
2.4
3.2
4.2
6.2
In. Lbs.
4.0
5.0
12
15
20
27
35
51
ADHESIVE OR NYLON
COATED BOLTS
N
mii
0.4
0.6
1.0
1.4
1.8
2.6
3.4
5.2
In. Lbs.
4.0
5.0
9.0
12
15
T
->
28
43
Содержание 1977 Monte Carlo
Страница 1: ...CHEVROLET ST 333 80...
Страница 4: ......
Страница 6: ......
Страница 50: ......
Страница 70: ......
Страница 100: ...4B 32 REAR AXLE DIFFERENTIAL Fig 24F lnstalling Pinion Flange OVERHAUL M AN U AL...
Страница 126: ......
Страница 136: ......
Страница 142: ...5 6 BRAKES Fig 5 1 1A Gaging Piston Rod OVERHAUL M AN U AL...
Страница 168: ......
Страница 248: ......
Страница 288: ...400 7A 2 AUTOMATIC TRANSMISSIONS OVERHAUL MANUAL Fig 7A 1C 400 Automatic Transmission Side Cross Section Typical...
Страница 402: ...7C 6 CLUTCHES Fig 7 C 1 2 E D e p r e s s in g L ever Fig 7 C 1 4 E S ta k in g N u t...
Страница 404: ......
Страница 414: ......
Страница 420: ......
Страница 421: ......
Страница 422: ......
Страница 423: ......
Страница 424: ......
Страница 427: ......
Страница 428: ......