TRUCK SERVICE MANUAL
ENGINE
Lubricating System
Group 7
Lubricating system group consists of oil pan, lines, dipstick,
filters, coolers, oil pumps and pressure regulators.
Fig. 7-0 Lubricating oil pump, exploded view
Table 7-2: Hose Size
Table 7-3: Hose Bends - Inch [mm](Rubber-Lined)
Location
Minimum Hose
Hose
Inside
Outside
Minimum Bend
Size
Size
Dia.
Dia.
Radius
Turbo. Oil Supply
No. 6
4
3/16
[4.76]
31/64
[12.30]
2[50.80]
Full Flow Filter
No. 16
5
1/4
[6.35]
35/64
[13.89]
2-1/4 [57.15]
Turbo. Oil Drain
No. 16
6
5/16
[7.94]
39/64
[15.48]
2-3/4 [69.85]
By-pass Filter
See Page 7-8.
8
13/32
[10.32]
47/64
[18.65]
4-5/8 [117.48)
10
1/2
[12.70]
53/64
[21.03]
5-1/2 [139.70]
12
5/8
[15.87]
61/64
[24.21]
6-1/2 [165.10]
Table 7-4: Hose Bends - Inch [mm](Teflon-Lined)
16
7/8
[22.231
1-13164
[(3.56]
7-3/8 [187.341
20
1-1/8
[28.58]
1-31/64
[37.70]
9
Hose Inside
Outside
Minimum Bend
[228.60]
Size Dia.
Dia.
Radius
24
1-3/8
[34.93]
1-23/32
[43.66]
11
[279.40]
6
5/16
[7.94]
39/64[15.48]
4[101.601
16
7/8
[22 23] 1-13/64 [30.56]
7-3/8 [187.33]
370
