18.0
00497R0990 - 15-07-2000
D IE S E L
9.13 Tapets and rocker arms
Make sure that there is no wear, scoring or signs of seizure on
the surfaces of the tappets (fig. 29). Replace the parts if
necessary.
Tapet and housing coupling play:
The rods must be straight with ball shaped surfaces at the
ends and in good conditions (fig. 29).
9.14 Injection pump tappets and pads
Replace the parts if the wear on their surfaces exceeds 0.1
mm (fig. 30).
Coupling play between the tappet and relative housing in the
crankcase:
Assembly mm
Assembly mm
Assembly mm
Assembly mm
Assembly mm
Limite di usura mm
Limite di usura mm
Limite di usura mm
Limite di usura mm
Limite di usura mm
0.005
to
0.029
0.10
Assembly mm
Assembly mm
Assembly mm
Assembly mm
Assembly mm
Wear limit mm
Wear limit mm
Wear limit mm
Wear limit mm
Wear limit mm
0.021
to
0.059
0.10
10.2 Injection pump
Illustration in fig. 32:
1. Delivery union - 2. Filler - 3. Valve spring - 4. Delivery valve - 5.
Washers - 6. Monobloc pump casing - 7. Adjuster seal - 8. Flange
- 9. Pump seal - 10. Plunger - 11. Adjuster sleeve - 12. Plug - 13.
Adjuster block - 14. Spring - 15. Lower cap
10. INJECTION COMPONENTS
10.1 Fuel circuit
Fuel supply is the gravitational type. An AC pump can be
mounted on request. Air bleeding is automatic.
Illustration in fig. 31:
1. Fuel tank - 2. Fuel pipe - 3. Fuel filter - 4. Fuel pipe - 5. Injection
pump - 6. Injection pump tappet - 7. Bleed tubes - 8. Injection
pipe - 9. Injector - 10. Washer - 11. Fuel return pipe.
32
31
29
30
198.8 198.8 198.8 198.8 198.8
to
199.2 199.2 199.2 199.2 199.2
Ø7.986
Ø7.986
Ø7.986
Ø7.986
Ø7.986
to
7.995
7.995
7.995
7.995
7.995
Ø18.9 Ø18.9 Ø18.9 Ø18.9 Ø18.9
to
19 19 19 19 19
4.45
4.45
4.45
4.45
4.45
to
4.55
4.55
4.55
4.55
4.55
2
2
2
2
2
216.8 216.8 216.8 216.8 216.8
to
217.2 217.2 217.2 217.2 217.2
RY85.0 -RY85.1
RY85.0 -RY85.1
RY85.0 -RY85.1
RY85.0 -RY85.1
RY85.0 -RY85.1
RY100 - RY101
RY100 - RY101
RY100 - RY101
RY100 - RY101
RY100 - RY101
RY120 - RY121
RY120 - RY121
RY120 - RY121
RY120 - RY121
RY120 - RY121
Ø21.959 Ø21.959 Ø21.959 Ø21.959 Ø21.959
to
21.979 21.979 21.979 21.979 21.979
11111
7
7
7
7
7
3
3
3
3
3
4
4
4
4
4
5
5
5
5
5
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
1 0
1 0
1 0
1 0
1 0
9
9
9
9
9
8
8
8
8
8
1 1
1 1
1 1
1 1
1 1
11111
2
2
2
2
2
3
3
3
3
3
4
4
4
4
4
5
5
5
5
5
6
6
6
6
6
7
7
7
7
7
8
8
8
8
8
9
9
9
9
9
1 0
1 0
1 0
1 0
1 0
1 1
1 1
1 1
1 1
1 1
1 2
1 2
1 2
1 2
1 2
1 3
1 3
1 3
1 3
1 3
1 4
1 4
1 4
1 4
1 4
1 5
1 5
1 5
1 5
1 5
9.15 Fuel pump (optional)
Check the projection of the A.C. pump rod in relation to the
engine casing surface with the canshaft eccentric in the non-
operative position.
WARNING: the rod projection cannot be adjusted.
53.0
to
53.2
0.3
1.45
to
2.05
Wear limit
Wear limit
Wear limit
Wear limit
Wear limit
mm
mm
mm
mm
mm
Rod length
Rod length
Rod length
Rod length
Rod length
mm
mm
mm
mm
mm
Rod projection
Rod projection
Rod projection
Rod projection
Rod projection
mm
mm
mm
mm
mm
Содержание Ry100
Страница 1: ...Repair Manual for Diesel engines series RY cod 00497R0990 ...
Страница 2: ......
Страница 4: ...4 0 00497R0990 15 07 2000 DI ESEL ...
Страница 7: ...7 0 service 00497R0990 15 07 2000 3 OVERALL DIMENSIONS ...