Serie
it
ar0130b580001d
Tightening procedure for cylinder head bolts
Tipo ar · tema 01.30 · versione 0202 · 2017-05-11
Valido per: Engine 457.9 in model 382.15, 634.0 Engine 457.9 in model 693, 696, 958.4 Engine 457.9 in model 695 Engine 457.9 in model 934.241/251 Engine 460.984 in model 934.241/251 Engine 460.984 in model 938.142
Non disponibile in “it”; mostrato in Inglese.
Collocazione
Gruppo funzionale 1 Motore › 01 Motore completo, sfiato del motore, testata, basamento › 01.30 Testata — Serie 382 (modelli 15*) · Serie 460 (modelli 984) · Serie 634 (modelli 0**) · Serie 693 · Serie 695 · Serie 696 · Serie 934 (modelli 241, 251) · Serie 938 (modelli 142) · Serie 958 (modelli 4**)
EinPAS 15 Motore › 15.16 Testata › 15.16.31 Testata/guarnizione della testata — Serie 382 (modelli 15*) · Serie 460 (modelli 984) · Serie 634 (modelli 0**) · Serie 693 · Serie 695 · Serie 696 · Serie 934 (modelli 241, 251) · Serie 938 (modelli 142) · Serie 958 (modelli 4**)
Valido anche per motori/cambi: 457 9**
AR01.30-B-5800-01D
Tightening procedure for cylinder head bolts
Engine 457.9, 460.9
Engine
457.9 in model 382.15, 634.0
Engine
457.9 in model 693, 696, 958.4
Engine
457.9 in model 695
Engine
457.9 in model 934.241/251
Engine
460.984 in model 934.241/251
Engine
460.984 in model 938.142
Cylinder head bolts checking values
Number
Designation
Engine 457.9, 460.984
BE01.30-B-1001-01C
Cylinder head bolts
Thread diameter
mm
15x2
length (L), new bolt
mm
209,5...210,0
length (L), max. used bolt
mm
212
Number
Designation
Engine 457.9, 460.984
BA01.30-B-1001-01B
Cylinder head bolt (used bolts)
Tighten
1st stage
Nm
10
2nd stage
Nm
50
3rd stage
Nm
100
4th stage
Nm
200
5th stage
Graus
90...100
6th stage
Graus
90...100
Number
Designation
Engine 457.9, 460.984
BA01.30-B-1002-01B
Cylinder head bolts (new bolts)
Tighten
1st stage
Nm
10
2nd stage
Nm
50
3rd stage
Nm
100
4th stage
Nm
200
5th stage
Graus
90...100
6th stage
Graus
90...100
Loosen
7th stage
Graus
90
Tighten
8th stage
Graus
90...100
9th stage
Graus
90...100
1
Tighten the screws of the head with the socket.
2
Note the tightening sequence indicated in the figure and apply the torque values valid for used or new screws.
3
If the screw tightening torque is exceeded, remove it, check the maximum allowable length (replace if necessary), and tighten it from the 1st step.
4
Do not mix used and new screws on the same head, use four used screws or four new screws.
5
Replacing the screws whose length exceeds the maximum allowable value is mandatory.
Do not retighten the screws on the cylinder head.
