3.3. Repair of the diesel engine
Type
|
The engine with 4 cylinders cooled by water with one top camshaft put in action by a gear belt
|
Code
|
CU 4EE1
|
Diameter of the cylinder
|
79 mm
|
Piston stroke
|
86 mm
|
Working volume
|
1668 cm3
|
Operating procedure of cylinders
|
1 – 3 – 4 – 2 (the cylinder No. 1 is from a gear belt)
|
Direction of rotation of a bent shaft
|
Clockwise, if to take a detached view a gear belt
|
Extent of compression
|
22,0:
|
Maximum power
|
60 kW (80 h.p.) at 4400 rpm
|
Maximum torque
|
168 nanometers at 2400 rpm
|
Compression pressure
|
18,5 – 34,5 bars
|
The maximum distinction of pressure of compression between any two cylinders |
1,5 bars
|
Camshaft
Axial side play
|
0,05 – 0,20 mm
|
The most admissible radial beating
|
0,05 mm
|
Raising of a cam of the inlet valve
|
8,47 – 8,67 mm
|
Raising of a cam of the final valve
|
8,57 – 8,77 mm
|
Working gap of bearings of the camshaft
|
0,040 – 0,082 mm
|
Gaps of valves:
| |
– inlet valve
|
0,15 mm
|
– final valve
|
0,25 mm
|
Head of the block of cylinders
The most admissible neploskosnost of the lower surface of a head of the block of cylinders
|
0,1 mm
| |
Height of a head of the block of cylinders: | ||
– standard |
131,45 – 131,55 mm
| |
– minimum |
131,25 mm
| |
Valve saddle width: | ||
– standard |
1,2 – 1,5 mm
| |
– limit |
2,0 mm
| |
Vystupaniye of the vortex camera |
0,001 – 0,030 mm
| |
Deepening of the valve in a head of the block of cylinders |
0,5 – 1,0 mm
| |
Laying of a head of the block of cylinders and tag: | ||
Vystupaniye of the piston from the cylinder: |
Thickness
|
Tags
|
– 0,58 – 0,64 mm |
1,40 mm
|
Without opening
|
– 0,65 – 0,70 mm |
1,45 mm
|
1 opening
|
– 0,71 – 0,78 mm |
1,50 mm
|
2 openings
|
Piston fingers: | ||
– diameter |
27 mm
| |
– length |
60 mm
| |
Gap of a piston finger in the piston |
0,002 – 0,012 mm
| |
Gap of a piston finger in a rod |
0,008 – 0,050 mm
| |
Diameter of a core of the valve: | ||
– inlet valve |
6,959 – 6,977 mm
| |
– final valve |
6,960 – 6,978 mm
| |
Diameter of an opening of the directing valve plug |
7,000 – 7,015 mm
| |
Gap between a core and a guide of the valve: | ||
– inlet valve: | ||
• standard |
0,023 – 0,056 mm
| |
• limit |
0,080 mm
| |
– final valve: | ||
• standard |
0,030 - 0,063 mm
| |
• limit |
0,095 mm
| |
Valve length: | ||
– inlet valve |
104,05 mm
| |
– final valve |
104,00 mm
| |
Diameter of a plate of the valve: | ||
– inlet valve |
34,6 mm
| |
– final valve |
30,6 mm
|
Block of cylinders
Diameter of the cylinder of the engine:
| |
– group of the sizes A
|
79,000 – 79,009 mm
|
– group of the sizes B
|
79,010 – 79,019 mm
|
– group of the sizes C
|
79,020 – 79,029 mm
|
Maximum ovality of the cylinder |
0,015 mm
|
Maximum conicity of the cylinder
|
0,015 mm
|
Diameter of the radical bearing (without inserts):
| |
– group of the sizes 1
|
55,992 – 56,000 mm
|
– group of the sizes 2
|
55,984 – 55,992 mm
|
– group of the sizes 3
|
55,976 – 55,984 mm
|
Pistons and rings
Diameter of the piston:
| |
– group of the sizes A
|
78,975 – 78,984 mm
|
– group of the sizes B
|
78,965 – 78,994 mm
|
– group of the sizes C
|
78,995 – 79,004 mm
|
Piston gap in the cylinder
|
0,016 – 0,034 mm
|
Gaps of the lock of the piston ring (established in an opening):
| |
– top sealing ring
|
0,25 – 0,80 mm
|
– lower sealing ring
|
0,20 – 0,80 mm
|
– oil scraper ring
|
0,20 – 0,80 mm
|
Gap of a piston ring in the piston:
| |
– top sealing ring
|
0,12 – 0,18 mm
|
– lower sealing ring
|
0,05 – 0,15 mm
|
– oil scraper ring
|
0,02 – 0,15 mm
|
Thickness of a piston ring:
| |
– top sealing ring
|
2,0 mm
|
– lower sealing ring
|
2,0 mm
|
– oil scraper ring
|
3,0 mm
|
Rod
Side gap of the lower head of a rod
|
0,20 – 0,40 mm
| |
The maximum admissible distinction of weight between rods
|
4 g
| |
Identification tags of a rod:
|
Color of a tag
|
Bearing gap
|
– I
|
Blue
|
0,025 – 0,054 mm
|
– II
|
Black
|
0,027 – 0,056 mm
|
– III
|
Brown
|
0,029 – 0,058 mm
|
Bent shaft
Axial side play
|
0,06 – 0,30 mm
|
Diameters of radical necks:
| |
– 1st group of the sizes
|
51,928 – 51,938 mm
|
– 2nd group of the sizes
|
51,918 – 51,928 mm
|
Working gap of the radical bearing
|
0,030 – 0,080 mm
|
Working gap of the bearing of the lower head of a rod
|
0,025 – 0,100 mm
|
Lubrication system
Minimum admissible pressure of oil at turns of idling and temperature of the engine of 80 °C |
2,0 bars
|
Gap between an external rotor of the pump and a pump housing
|
0,24 – 0,36 mm.
|
Gap between an internal and external rotor
|
0,13 – 0,15 mm
|
Axial side play of rotors
|
0,035 – 0,1 mm
|
Thermostat of the heat exchanger of engine oil:
| |
– temperature began opening
|
80,5 – 83,5 °C
|
– temperature of full opening
|
95 °C
|
Cooling system
Thermostat
|
With two valves
|
Designation:
| |
– main valve
|
88
|
– additional valve
|
85
|
Temperature began opening:
| |
– main valve
|
86 – 90 °C
|
– additional valve
|
83 – 87 °C
|
Temperature of full opening
|
100 °C
|
Tightening moments
Nuts of fastening of covers of bearings of the camshaft
|
19 Nanometer
|
Bolts of fastening of a cover of a head of the block of cylinders
|
8 Nanometer
|
Bolt of fastening of a pulley of the camshaft
|
10 Nanometer
|
Bolts of fastening of the water pump
|
20 Nanometer
|
Bolts of fastening of a pulley of the water pump
|
10 Nanometer
|
Cover of the bearing of the lower head of a rod:
| |
– stage 1
|
25 Nanometer
|
– stage 2
|
To tighten on a corner 100 °
|
– stage 3
|
To tighten on a corner 15 °
|
Bolts of fastening of a pulley of a bent shaft
|
20 Nanometer
|
Bolts of fastening of the case of a back sealing ring of a bent shaft |
10 Nanometer |
Bolts of fastening of a pulley of a bent shaft
|
196 Nanometer
|
Bolts of fastening of a head of the block of cylinders:
| |
– stage 1
|
40 Nanometer
|
– stage 2
|
To tighten on a corner from 60 to 75 °
|
– stage 3
|
To tighten on a corner from 60 to 75 °
|
Nut of a pulley of the fuel pump
|
69 Nanometer
|
Main bolts of fastening of a cover of bearings
|
88 Nanometer
|
Forward right suspension bracket of the power unit:
| |
– bolts of fastening of a suspension bracket to the engine
|
60 Nanometer
|
– bolts of fastening of a suspension bracket to the lower frame
|
45 Nanometer
|
Back support:
| |
– fastening bolts to a bracket
|
45 Nanometer
|
– fastening bolts to the lower frame
|
20 Nanometer
|
– fastening bolts to the transmission
|
60 Nanometer
|
Bolts of fastening of the transmission to the engine:
| |
– M8 bolts
|
20 Nanometer
|
– M10 bolts
|
40 Nanometer
|
– M12 bolts
|
60 Nanometer
|
Bolts of fastening of a flywheel:
| |
– stage 1
|
30 Nanometer
|
– stage 2
|
To tighten on a corner 45 - 60 °
|
Bolts of fastening of the central part of the oil heater
|
49 Nanometer
|
Oil filter
|
15 Nanometer
|
Bolts of fastening of the safety valve of pressure
|
40 Nanometer
|
Screws of fastening of a cover of the oil pump
|
10 Nanometer
|
Bolts of fastening of a pipe of an oil receiver
|
19 Nanometer
|
Nut of fastening of a pulley of the oil pump
|
44 Nanometer
|
Bolts of fastening of the oil pallet
|
10 Nanometer
|
Masloslivny stopper
|
78 Nanometer
|
Bolts of fastening of a casing of a gear belt
|
8 Nanometer
|
Bolts of fastening of a single pulley of a gear belt
|
76 Nanometer
|
Bolts of fastening of a pulley of the mechanism of a tension of a gear belt
|
19 Nanometer
|