Engines Iveco C87 / Cursor 87. Manual — part 21
NOTE Early air filter clogging is usually due to environmental conditions. For this reason, the filter should be changed if clogging
is signalled by the related sensor, regardless of the prescriptions that shall be observed if no specific indications have
been provided.
SECTION 3 - INDUSTRIAL APPLICATION
61
F2C CURSOR ENGINES
OFF-PLANE OPERATIONS
Every year — Before winter
and possibly when a maintenance operation is carried out
Check the antifreeze percentage in the engine cooling water
Every two year
and possibly when a maintenance operation is carried out
Change engine coolant
62
SECTION 3 - INDUSTRIAL APPLICATION
F2C CURSOR ENGINES
Base - June 2006
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
1
F2C CURSOR ENGINES
SECTION 4
Overhaul and technical specifications
Page
GENERAL CHARACTERISTICS
3
. . . . . . . . . . . . .
ASSEMBLY CLEARANCE DATA
5
. . . . . . . . . . . .
ENGINE OVERHAUL
11
. . . . . . . . . . . . . . . . . . . . .
ENGINE REMOVAL AT THE BENCH
11
. . . . . . . .
REPAIR OPERATIONS
12
. . . . . . . . . . . . . . . . . . . .
CYLINDER BLOCK
12
. . . . . . . . . . . . . . . . . . . . . . .
- Checks and measurements
12
. . . . . . . . . . . . . . .
CYLINDER LINERS
13
. . . . . . . . . . . . . . . . . . . . . . .
- Replacing cylinder liners
15
. . . . . . . . . . . . . . . . .
- Removal
15
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Fitting and checking protrusion
15
. . . . . . . . . . . .
CRANKSHAFT
16
. . . . . . . . . . . . . . . . . . . . . . . . . .
- Measuring main journals and crank pins
17
. . . . .
PRELIMINARY MEASUREMENT OF MAIN AND BIG
END BEARING SHELL SELECTION DATA
18
.
- Selecting the main and big end bearing shells
19
.
- Replacing the timing control gear and the
oil pump
25
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking main journal installation clearance
25
. .
- Checking crankshaft end float
26
. . . . . . . . . . . . .
PISTON-CONNECTING ROD ASSEMBLY
27
. . . .
- Removal
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Measuring the diameter of the pistons
28
. . . . . .
- Conditions for correct gudgeon pin-piston
coupling
28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Piston rings
29
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2
SECTION 4 - OVERHAUL AND TECHNICAL SPECIFICATIONS
F2C CURSOR ENGINES
Base - June 2007
CONNECTING ROD
30
. . . . . . . . . . . . . . . . . . . . .
- Checking connecting rod alignment
32
. . . . . . . . .
- Mounting the connecting rod - piston assembly
33
- Mounting the piston rings
33
. . . . . . . . . . . . . . . .
- Fitting the connecting rod-piston assembly into the
piston liners
34
. . . . . . . . . . . . . . . . . . . . . . . . . . .
- Piston protrusion check
34
. . . . . . . . . . . . . . . . . .
- Checking assembly clearance of big end pins
35
. .
CYLINDER HEAD
35
. . . . . . . . . . . . . . . . . . . . . . . .
- Dismounting the valves
35
. . . . . . . . . . . . . . . . . .
- Checking the planarity of the head on the
cylinder block
35
. . . . . . . . . . . . . . . . . . . . . . . . . .
VALVE
36
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Removing deposits and checking the valves
36
. . .
VALVE GUIDES
36
. . . . . . . . . . . . . . . . . . . . . . . . . .
- Replacing of valve guides
37
. . . . . . . . . . . . . . . . .
- Replacing - Reaming the valve seats
37
. . . . . . . . .
REPLACING INJECTOR HOLDER CASES
37
. . . . .
- Removal
37
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking protrusion of injectors
39
. . . . . . . . . . .
Page
TIMING GEAR
40
. . . . . . . . . . . . . . . . . . . . . . . . . .
- Camshaft drive
40
. . . . . . . . . . . . . . . . . . . . . . . . .
- Intermediate gear pin
40
. . . . . . . . . . . . . . . . . . . .
- Idler gear
40
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Twin idler gear
40
. . . . . . . . . . . . . . . . . . . . . . . . .
- Replacing the bushings
40
. . . . . . . . . . . . . . . . . . .
- Camshaft
41
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Checking cam lift and pin alignment
41
. . . . . . . . .
- Bushes
42
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Use beater 99360505 to change bushings
43
. . . .
- Removal
43
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Fitting
43
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VALVE SPRINGS
43
. . . . . . . . . . . . . . . . . . . . . . . . .
- Fitting the valves and oil seal ring
43
. . . . . . . . . . .
ROCKER SHAFT
44
. . . . . . . . . . . . . . . . . . . . . . . . .
- Shaft
44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- Rocker
44
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIGHTENING TORQUES
45
. . . . . . . . . . . . . . . . .
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