Volvo Penta TAMD63L-A Manuel D'atelier page 15

Paliers d'arbre à cames
Diamètre après usinage:
palier avant ................................................
ème
2 palier ..................................................
3 ème palier ..................................................
4 ème palier ..................................................
5 ème palier ..................................................
6 ème palier ..................................................
ème
7 palier ..................................................
Palier, usure maxi. permise ..........................
Soupapes
Diamètre de tête:
Admission ..................................................
Echappement ............................................
Diamètre de queue:
Admission ..................................................
Echappement ............................................
Queue de soupape, usure maxi. permise .....
Angle de fraisage du siège côté soupape:
Admission ..................................................
Echappement ............................................
Nota Les soupapes (Nimonic) ne doivent
pas être rectifiées.
Angle de fraisage du siège côté culasse:
Admission ..................................................
Echappement ............................................
Jeu aux soupapes (moteur froid ou à la
température de service):
Admission ..................................................
Echappement ............................................
Série 63
69,050–69,075 mm
(2.7185–2.7195")
66,675–66,700 mm
(2.6250–2.6260")
64,287–64,312 mm
(2.5310–2.5320")
63,500–63,525 mm
(2.5000–2.5010")
61,112–61,137 mm
(2.4060–2.4070")
60,325–60,350 mm
(2.3750–2.3760")
56,350–56,375 mm
(2.2185–2.2195")
0,05 mm (0.0020")
41 mm (1.614")
37 mm (1.457")
7,960–7,975 mm
(0.3134–0.3140")
7,935–7,950 mm
(0.3124–0.3130")
0,02 mm (0.0008")
29,5°
44,5°
30°
45°
ADMISSION
0,50 mm (0.0197")
0,65 mm (0.0256")
❍ Admission
ECHAPPEMENT
● Echappement
Caractéristiques techniques
Série 74,
Série 75
69,050–69,075 mm
(2.7185–2.7195")
68,485–68,510 mm
(2.6963–2.6972")
67,900–67,925 mm
(2.6732–2.6742")
67,300–67,325 mm
(2.6496–2.6506")
66,675–66,700 mm
(2.6250–2.6260")
66,075–66,100 mm
(2.6014–2.6024")
56,350–56,375 mm
(2.2185–2.2195")
0,05 mm (0.0020")
43 mm (1.693")
39 mm (1.535")
7,965–7,975 mm
(0.3136–0.3140")
7,951–7,962 mm
(0.3130–0.3135")
0,02 mm (0.0008")
29,5°
44,5°
30°
45°
0,50 mm (0.0197")
0,65 mm (0.0256")
13