(
70019401960 Specifications
Section
2 B 19, B 23 Engines
P iston rings
129521
Clearance In piston groove
Clearance in piston groove
819 E, 819 ET, 823 E .................................. mm
(in)
823ET, 823FT .............. .......................... mm
(in)
Ring gap (see above)
819E, 819ET, 823E .................................. mm
(in)
823ET, 823FT ................ .......... .............. mm
Gudgeon (Piston ) pins
Fit, in connecting rod. . . . . .. Light thumb pressure
(close running fit)
in piston. . . . . . . . . . . . . .. Thumb pressure (push fit)
Valves
Valve clearance
Inlet
and exhaust valves
(in)
cold engine ............................................ mm
(in) warm engine ........................................... mm
(in)
Adjusting shim, thickness .................................. mm
(in)
Valves
Upper
Camp.
rings
0.040-0 .072
(0. 0016-0.0028)
0.060-0 .092
(0.0024-0.0036)
0 .35-0.65
(0.0014 -0 .0026)
0.40-0 .
65
(0.0158-0.0256)
Checking
0.30-0.40
(0.012-0.Q16)
0.35-0.45
(0.014-0.018)
3 .
30-4.50
Ring gap 129 520
Lower Oil scraper
Camp.
rings rings
0.040-0.072 0.030-0.062
(0.0016 -0 .0028) (0.0012 -0.0024)
0.040-0.072 0.030-0.065
(0.0016-0.0028) (0.0018-0.0026)
0.35-0.55 0.25-0.60
(0.0014-0.0022) (0.0010-0.0024)
0.40-0.65 0.30-0.60
(0.0016-0.0256) (0.0118-0.0236)
'Adjusting
0.35-0.40
(0. 014-0 .016)
0.40-0.45
(0. 016-0.018)
(0.1300-0 .1773)
in increments of
0.05 (0.002)
IMPORTANT: Valves are stellite-flashed and must not be machined . They may only be ground in against seat. IMPORTANT! Scrapping valves. Exhaust valves in turbo engines are sodium filled and must not be mixed with ordinary
scrap iron without first removing the sodium.
Min: 7,935
Inlet valve
44,5°
44,5 °
Min: 7,945
144027
Exhaust valve turbo engines (8 19 ET, 823 ET/FT)
Exhaust valve E-engines (8 19 E, 823 E)
17
III' III III
III
III ,111 III ·111 III
Piston rings
129521
Axial clearance
Side clearance measured with ring on piston 8200 ........... mm
(in)
8204 ........... mm
(in)
8230/234 ....... mm (in)
Ring gap (checked
in 88.9, 96.0 mm bore) 8200/204 ........ mm (in) 8230/234 ........ mm
Gudgeon (Piston) pins
Fit, in connecting rod. . . . . .. Light thumb pressure
(close running fit) (in)
in piston.
. . . . . . . . . . . . .. Thumb pressure (push fit)
Cylinder head-
Height, new ............................... mm
(in)
after machining
..................... mm
(in)
• Max machining 0.3 mm
B204/234
103.5
(4.078)
102.7*
(4.078)
Max warp .......................................... .
NOTE: If warp is greater than 1.0 mm (0.0394 in) length
wise or 0.5 mm (0.0197 in) crosswise, cylinder head must
be replaced.
Valve clearance
B200/230
Inlet and exhaust valves
cold
engine ............................................ mm
(in)
warm engine
........................................... mm
(in)
70019401960 Specifications
Section 2 B 200, B 230 Engines
Upp er Compo rings 0.060-0.092
(0.0024-0.0036)
0.040-0.072 (0.0016-0.0028)
0.060-0.092 (0.0024-0.0036)
0.30-0.50
(0.0118--0.0236)
0.30-0.55
(0.0118--0.0217)
B200/230
146.1
(5.756)
145.6
(5.737)
Checking
0.30-0.40 (0.012-0.Q16)
0.35--0.45 (0.014-0.018)
Lower Compo rings 0.030-0.062 (0.0012-0.0024)
0.030-0.062 (0.012-0.0024)
0.040-0.072 (0.0016-0.0028)
0 .30-0.55
(0.0118--0.0217)
0.30-0.55
(0.0118--0.0217)
Adjusting
0.35--0.40
(0.014-0.016)
0.40-0.45 (0.016-0.018)
Ring gap 129520 Oil scraper rings 0.020-0.055
(0.0008--0.0022)
0.020-0.050 (0.008--0.0019)
0.030-0.065 (0.0012-0.0026)
0.20-0.50 (0.0098--0.0197)
0.30-0.65 (0.0118--0.0256)
max o 25mm
129 826
Adjusting shim, thickness .............................. mm (in) 3.30-4.50 (0.1300-0.1773)
in increments of 0.05 (0.002)
Valve stem, B 204/234
Valve stem height . . . . . . . . . . . . . . . . . . .. 49.4±0.04 mm
(measured with gauge 5222) . . . . . . . . .. 1.946±0.002 in
Note: Valve stem height must be as specified. Otherwise
tappets will not function properly.
37
III III
ill III ill
IN liN
t·
700/940/960 Specifications
Section 2' 8200,8230 Engines
Group 25 Intake and exhaust systems
Turbo engines
'-198~
Engine type .... ; ......... . , ............ .. .............
Charg~ pressure, at full load and ................... r/min
checking
.. ................... kPa (psi)
setting. . . . . . . . . . . . . . . . . . . . .
.. kPa (psi)
Charge air overpressure, switch opens at ....... kPa
(psi)
Charge air pressure, switch closes at ........... kPa (psi)
Tightening torques
4) 18 Nm (13 ft IW)
/
1) Apply sealer PIN 1 161 053-2. 2) Use new nuts
3) Use sealer PIN 1161 035-9.
8200/230 ET
3500
45-53 (6.4-7.5)
50 (7.1)
65-75 (9.2-10.7)
15-25 (2. 1-3.6)
3)
4) Use new boils. If absolutely necessary, old boils can be reused if they
are smeared with sealer PIN 1161053-2.
Mounting bolts, turbocharger -exhaust manifold
• Measure length of bolt. Bolts can be reused if shorter
than
89 mm (3.5 in)
• Apply assembly paste PIN 1 161 078-9 to mating sur-<=;==;=""-~
faces and threads
• Fit new locking plates
•
Tighten bolts in three stages according to below
64
Stage I = 1 Nm (0.7 ft Ib)
II = 45 Nm (33 ft Ib)
III = 45° in one motion without stopping
89mm
135780
~Nm
s::L).Nm
8230FT
3000
46-54 (6.5-7.7)
48-54 (6.8-7.7)
85-95 (12 .1-13.5)
-
136772
70019401960 Specifications
Section'-2" B 28 Engine
Group 21 Engine block
Cylinder head
Max warp:
Maxium warp is
0.05 mm (0.002 in) per
100 mm (4 in) length.
Note: Do not level a warped cylinder head,
replace it!
Cylinder liners
[
Bore, liners marked 1 (A-marked piston) ....................... .
2 (B-marked piston) ....................... .
3 (C-marked piston) ...................... .
Liner height above
block face:
checking (runing engine,
old shims) ....................... .. .
adjusting (new shims)
..................................... .
Pistons
Max weight difference between pistons in same engine .......... .
Piston
float ................................................. .
Piston diameter A-marked pistons
......... .
B-marked pistons
......... .
C-marked pistons
........ .
]
91.00-91.01 mm
91.01-91.02 mm
91.02-91.03 mm
0.14--0.23 mm
0.16-0.23 mm
6 grams
0.020-0.040 mm
90.970-90.980 mm
90.980-90.990 mm
90.990-91.000 mm
3.5826-3.5830 in
3.5830-3.5835 in
5.5835-5.5838 in
0.0055-0.0091 in
0.0063-0.0091 in
0.0007-0. 0015 in
3.5814-:3.5818 in
3.5818-3.5822 in
3.5822-3.5826 in
((0)) t
'" ~L-f
Piston diameter is measured at right-angles to gudgeon pin bore, S mm from bottom edge.
135676
Piston rings
/,
I 111111111 ~III
'--J 115085
Side clearance (measured with ring on piston) ............... mm
in
Ring gap when checked in 91 mm (3.5826 in) cylinder,
Ring gap measured 15 mm
(0.6 in) from lower edge of
cylinder
U 129520 pper
compression
ring
0.045-0.074
0.0017-0.0029
Lower Oil ring
compression
ring
0.025-0.054 0.009--0.233
0.0009--0.0212 0.0003-0.0091
(see fig) ................................................. mm 0.40-0.60 0.40-0.60 0.40-1.45
in 0.0157-0.0236 0.0157-0.0236 0.0157-0.0570 Gudgeon (piston) pins
Clearance in connecting rod. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.020-0.041 mm
piston. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.010-0.016 mm
70 0.0007-0.0016
in
0.0003-0.0006 in
(
70019401960 Specifications
Section
2 B 280 Engine
Group 21 Engine block
Cylinder head
Max warp:
Maximum warp is 0.05 mm (0.002 in) per
100 mm (4 in) length.
I
[
Note: Do not level a warped cylinder head,
replace it!
n~Ql;J 129860
Cylinder liners
Bore liners marked 1 (A-marked piston) ........................ .
2 (B-marked piston) ....................... .
3 (C-marked piston) ....................... .
Liner height above
block face ................................. .
Shims for adjustment of liner height:
thickness, orange paint marking
............................ .
white paint marking
.............................. .
blue paint marking ............................... .
Pistons
Max weight difference between pistons in same engine .......... .
Piston
float ..................................... ............ .
Piston diameter, A-marked pistons
........ .
B-marked pistons .
....... .
C-marked pistons
........ .
91.00-91.01 mm
91.01-91.02 mm
91.02-91.03 mm
0.14-0.21 mm
0 .098-0.134 mm
0.118-0.154 mm
0.138-0.194 mm
6 grams
0.070-0.090 mm
90.920-90.930 mm
90.930-90.940 mm
90 .940-90.950 mm
(3.5826-3 .5830 in)
(3.5830-3.5835 in)
(3.5835-3.5838 in)
(0.0055-0.0083 in)
(0.0039-0.0053 in)
(0. 0046-0.0061 in)
(0.0054-0.0076 in)
(0.0028-0 .0035 in)
(3.5822-3.5826 in)
(3.5826-3.5830 in)
(3.5830-3.5834 in)
((0)) t
~ ~~ Piston diameter is measured at right-angles to gudgeon pin bore, 13 mm (0.512 in) from bottom edge.
135676
Piston rings
Side clearance (measured with ring on piston) .. ............ . mm
Ring gap measured 13 mm (0.51 in)
from
lower edge of cylinder
Upp er Lower Oil ring
com pres-compres-
sion ring sion ring
0.045-0.
074
0.025-0.054 0.009-0.233
in
Ring gap when checked in 91 mm (3.5826 in)
. 0.0017-0.0029
0.0009-0.0212 0.0003-0.0091
(cylinder,
see fig) ..................................... .... mm
Gudgeon (piston ) pins in
0.40-0.60 0.40-0.60 0.40-1.45
0.0157-0.0236 0.0157-0.0236 0.0157-0.0570
Piston. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.007-0.017 mm (0.0003-0.0007 in)
87
"' lit ill lit ·,11 tit ill, til Itil
70019401960 Specifications
Section
2 B 280 Engine
Crank mechanism
Cranks haft
Max run-out (measured on two centre main bearing journals) ..... .
Crankshaft, end
float ........................................ .
Crank
journals, side clearance ................................ .
Main bearing journal s
Out of round, max. ; ..................... .
Taper, max
............................. .
Diameter
............................... .
Connecting rod bearing journal s
Out of round, max ....................... .
Taper,
max " ............................. .
Diameter
............................ ... .
Connecting rods
0.007 mm
0.01 mm
70.043-70.062 mm
0.007 mm
0.01 mm
59.971-59.990 mm
End float on crankshaft ...................................... .
Max weight difference between can rods
in same engine ........ .
Tightening torque
Tightening torques apply to oiled nuts and bolts. Degreased
(washed) parts must
be oiled prior to assembly.
Crankshaft pulley ........................ ................... .
Camshaft gear
.............................................. .
Carrier
plate (use new bolts) ................................. .
Spark
plugs (do not oil) .. .................................... .
Valve cover ........................................... ...... .
Connecting
rod bearings ..................................... .
90 0.02
mm
0.070-0.270 mm
0.20-0.38 mm
(0.0002 in)
(0.0003
in)
(2.7575-2.7583
in)
(0.0007 in)
(0. 0027-0.0106 in)
(0.0078--0.0149
in)
115089
Out of round
(0.0002 in)
(0.0003 in)
(2.3629--2.3636 in)
0.18--0.32
mm
2.5 grams
Nm
240-280
70-90
45-50
12±2
15
1 Oil threads
Taper
(0.0071-0.0126 in)
ft. lb.
177-206
52-66
33-37
9±1.5
11
2 Tighten No.1 bolt to 25 Nm (18 ft.lb)
3 Tighten
No.2 bolt to 25 Nm (18 ft.lb) + angle
tighten 75°
4 Angle -tighten No. 1 bolt 75°
5 Check/tighten both bolts to 50 Nm (37 ft.lb)
70019401960 Specifications
Section 2 024, 024 T, 024 TIC Engines
Group 22 Lubricating system
General
Oil capacity and quality, see page 12.
Oil pressure with an oil temperature of +80°C = 176°F and
engine speed of 33.3 rls (2000 r/min) , at least. . . . . . . . . . . . . . . . . . . 200 kPa 28 psi
Oil pressure sensor
Cut-out point, indicator lamp goes out at. ...................... . 15-45 kPa (2.1-6.4 psi)
Lubricating oil pump ,
Relief valve opens at ........................................ . 600-700 kPa (85-99 psi)
Relief valve spring, length at different loads 024 o 24TfTlC
Length, Load,
Length, Load,
mm (in) N (Ib) mm (in) N (Ib)
49 (1.93) 0 53.5 (2.11) 0 22 (0.87)
175-195
36 (1.42) 152-162
(39-44) (34-36)
19.8 * ca 200 (45)
28(1.10) 229 (37)
115 083 (0.78) 25.9 * -
(1.02)
* Fully compressed
Group 23 Fuel system
Injection timing, idle
Engin e Market
type
024 -1986
1987-
024T USA+Can ada
1982-1983
1984
Federal + Canada
California
1985-
Austr ia 1987 -
Other markets
024TIC
*Injection timing = pump piston stroke at t.d .c . ** - 1985 = 87 (5200).
114
Injecting timing, * mm
Engine speed rls (r/min)
Adjusting (check ing)
Idle Max
0.70 (0.65-0 .73)
12.5 (750) 90 (5400)* *
0.80 (0.77-0.85) 12.5 (750) 90 (5400)
0.80
(0.77-0 .85) 12.5 (750) 90 (5400)
0.85 (0.82-0 .90) 12.5 (750) 90 (5400)
0.75 (0.72- 0 .80) 12.5 (750) 90 (5400)
0.75 (0.72-0 .80) 13.8 (830) 90 (5400)
0.75 (0.72-0.80) 13.8 (830) 90 (5400)
0 .90
(0.87-0 .95) 13.8 (830) 90 (5400)
0.90
(0.87-0.95) 13. 8 (830) 90 (5400)