Iveco Stralis AT/AD. Manual — part 54
COMPRESSOR CONTROL BELT
ASSEMBLY DIAGRAM
1. Crankshaft - 2. Air conditioner compressor
Assemble:
- air conditioner compressor automatic belt tightener;
- control belt.
When assembling the belts (1-3) operate on the belt
tighteners using fit tools (2-4), acting in the direction shown by
the arrows.
Figure 197
60579
!
Belt tighteners are automatic and do not need further
adjustment after assembly.
Figure 198
73580
!
The fittings of the cooling water and lubricating oil
pipes of the turbocharger have to be tightened to a
torque of:
- 35
±5 Nm, water pipe fittings;
- 55
±5 Nm, oil pipe female fitting;
- 20-25 Nm, oil pipe male fitting.
- oil dipstick;
- oil suction strainer;
- electrical connections and sensors;
- replenish the engine with the required amount of oil;
- remove the engine from the rotary stand and take off the
brackets (99361036) fixing the engine.
S
TRALIS
AT/AD
202
F3A ENGINE
Base - January 2003
Figure 199
60672
DETAIL A
LUBRICATION CIRCUIT
Oil falling
Oil under pressure
B - to cylinders 1 - 2 - 3
C - to cylinder 4
D - to cylinders 5 - 6
5430
LUBRICATION
Engine lubrication is obtained with a gear pump driven by the
crankshaft via gears.
A heat exchanger governs the temperature of the lubricating
oil.
It houses two oil filters, indicator sensors and safety valves.
203
S
TRALIS
AT/AD
F3A ENGINE
S
TRALIS
AT/AD
204
F3A ENGINE
Base - January 2003
The oil pump (1) cannot be overhauled. On finding any
damage, replace the oil pump assembly.
See under the relevant heading for replacing the gear (2) of
the crankshaft.
60560
73540
73541
Figure 200
Figure 201
MAIN DATA TO CHECK THE OVERPRESSURE
VALVE SPRING
OIL PUMP CROSS-SECTION
1. Overpressure valve — Start of opening pressure 10.1
±0.7 bars
Overpressure valve
Figure 202
1
205
S
TRALIS
AT/AD
F3A ENGINE
Oil pump
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