Isuzu Trooper - Isuzu Trooper
1. Maintenance instruction
2. Maintenance
3. Engines
   3.1. Specifications of the engine and adjusting works
   3.2. Electric equipment and capital repairs of engines
   3.3. Diesel engine 2,8 liters
      3.3.1. Introduction
      3.3.2. Technical characteristics
      3.3.3. Check of a compression
      3.3.4. Top dead point of the piston No. 1 (BMT)
      3.3.5. Gaps of valves
      3.3.6. Cover of a head of cylinders
      3.3.7. Pulley of a bent shaft
      3.3.8. Casings of a gear belt of the drive of the camshaft
      3.3.9. Gear belt of the drive of the camshaft
      3.3.10. Asterisks of a gear belt, natyazhitel and intermediate pulleys
      3.3.11. Yokes and pushers
      3.3.12. Head of the block of cylinders
      3.3.13. Oil case
      3.3.14. Oil pump
      3.3.15. Oil heater
      3.3.16. Epiploons of the camshaft and bent shaft
      3.3.17. Flywheel
      3.3.18. Fastenings of the engine / transmission
4. System of decrease in toxicity
5. Fuel system
6. Transmission and running gear
7. Suspension bracket and steering
8. Brake system
9. Body
10. Body electric equipment
11. Diagnostics of malfunctions
12. Electrical circuitries





Isuzu Trooper>> Engines>> Diesel engine 2,8 liters>> Technical characteristics

3.3.2. Technical characteristics

GENERAL INFORMATION

The engine is four-cylinder, line, with distributive shaft of the top arrangement and water cooling.

Engine code *
4JB1T
Diameter of the cylinder
93 mm
Piston stroke
102 mm
Engine displacement
2772 cm3
Operating procedure of cylinders
1–3–4–2 (the cylinder No. 1 is located from a pulley of a bent shaft)
Direction of rotation of a bent shaft
Clockwise (if to take a detached view a forward part of the engine)
Compression coefficient
17,9:1

* The code of the engine represents the first five figures of number of the engine.

Gaps of valves

Inlet and final valves at the cold engine
0,4 mm
Yokes and pushers:
  – diameter of an axis of yokes
18,900 – 19,000 mm
  – internal diameter of an opening of a yoke
19,036 – 19,100 mm
  – axial gap of a yoke
0,01 – 0,20 mm
  – deviation of an axis of yokes
No more than 0,3 mm
  – pusher deviation
No more than 0,3 mm

Engine lubrication system

Type of the oil pump
Receives the drive from a gear wheel
The minimum admissible pressure idling (the engine is warmed up to the working temperature, temperature of oil of at least 80 °C)
1,0 bars
Gaps of the oil pump:
  – a gap between teeths of gear wheels and a pump housing
0,14 – 0,20 mm
  – a gap between a side surface of a gear wheel and a pump housing
0,06 – 0,15 mm
  – axial gap of the leading shaft
0,04 – 0,20 mm
  – a gap between the conducted gear wheel and the leading shaft
0,05 – 0,15 mm

Moments of inhalings of threaded connections, N. of m.

Camshaft epiploon clamp bolts
19
Camshaft asterisk bolts:
  – the bolt fixing the plug to the camshaft
64
  – the bolts fixing an asterisk to the plug
8
Rod cover bolt
83
Bolts of a pulley of a bent shaft:
  – the bolt fixing the plug to a bent shaft
186
  – the bolts fixing a pulley to the plug
19
Bolts of an assembly plate of the block of cylinders
83
Head bolts цилиндров*:
  – step 1
49
  – step 2
Tighten for 60 °
  – step 3
Tighten for 60 °
Nuts of a cover of a head of cylinders
13
The bolts fixing the engine to the transmission:
  – M12 bolts
87
  – M10 bolts
40
Flywheel bolts
118
Nut of an asterisk of the fuel pump
64
Bolts of a cover of radical bearings
167
Oil heater:
  – fixing bolts and nuts of the case of a radiator
19
  – central bolt
19
Bolts of the oil pump:
  – fixing bolts
19
  – bolts of a cover and mesh filter
16
Nut of connection of a final branch pipe
25
Bolts of a basic rack of an axis of yokes
54
Kontrgayka nut of the adjusting screw of valves
15
Fixing bolts of an oil case:
  – bolts of the top part of an oil case
19
  – bolts of the lower part
8
Bolts of a back guard of a gear belt
19
Bolts of a cover of a gear belt
8
Bolt of a pulley of a natyazhitel of a gear belt
76

* It is necessary to use new bolts.