The order of operation of the cylinders | ||
4-cylinder engines |
1–3–4–2
| |
5-cylinder engines |
1–2–4–5–3
| |
Maximum engine speed | ||
1Z and AHU |
5200 rpm
| |
ABP, AAT and AEL |
5500 rpm
| |
AAS |
4800±100 rpm
| |
idle speed | ||
1Z and AHU (not regulated) |
780 - 900 rpm
| |
AVR (not regulated) |
800 - 840 rpm
| |
AAT and AEL (not regulated) |
710 - 820 rpm
| |
AAS |
800 – 900 rpm
| |
injection pump | ||
Fuel injection advance: | ||
– control value: | ||
ABP |
0.28 - 0.42 mm
| |
AAT and AEL |
0.18 - 0.32 mm
| |
AAS |
0.93 - 1.07 mm
| |
– adjusting value: | ||
1Z and AHU |
0.70±0.02mm
| |
– preliminary value: | ||
AVR |
0.42 mm
| |
AAT and AEL |
0.32mm
| |
-final value: | ||
AVR |
0.35±0.02mm
| |
AAT and AEL |
0.25±0.02mm
| |
AAS |
1.00±0.02mm
| |
Injectors | ||
opening pressure |
New injectors
|
Minimum allowable
|
1Z, AHU and AAT |
190 – 200 bar
|
170 bar
|
AVR |
190 – 195 bar
|
165 bar
|
AAS |
130 – 138 bar
|
120 bar
|
Tightening torques for threaded connections
Mounting bolt for rear camshaft sprocket (avr,
AAT and AEL) |
50
|
Pressure control valve mount |
45
|
Stop valve (1Z and AHU) |
20
|
Stop valve (ABP, AAT and AEL) |
40
|
Fuel pipe connections (1Z and AHU) |
25
|
Fuel pipe connections (ABP, AAT and AEL) |
30
|
Fuel tank |
20
|
Injection pump drive belt tensioner nut (avr,
AAT and AEL) |
45
|
Injection pump banjo bolts (1Z and AHU) |
25
|
Injection pump banjo bolts (AVR, AAT and AEL) |
20
|
Injection pump mount (ABP, AAT and AEL) |
20
|
Injection pump mounting and mounting bracket (1Z and AHU) |
25
|
Injection pump mounting bracket (ABP, AAT and AEL) |
45
|
Injection pump sprocket |
45
|
Injection pump mounting plug (ABP, AAT and AEL) |
20
|
injection pump housing |
10
|
Injectors (AAS) |
70
|
Mounting bolts for injectors (1Z, ABP, AAT and AEL) |
20
|
Return hose connections on the injection pump |
28
|
Engine start valve |
12
|
Visitor comments