Checking and adjusting the injection pump (Peugeot 206)

Fast idle adjustment

Adjust the fast idle mode on a cold engine in the following order:

• check that lever 2 (pic. 4.118) rested on the right stop;
• if the lever does not rest, adjust the tension of the cable 9 using the clamp 10;
• finally adjust the tension using the latch 7 of the cable sheath.

Adjust the fast idle mode on a hot engine in the following order:

• make sure that cable 9 is not overtightened;
• compared to a cold one on a hot engine, the cable should move more than 6 mm.

Adjustment of the accelerator drive mechanism

Adjust the accelerator drive mechanism in the following order:

Note. The engine must be warm before adjustment (the electric fan should run for two cycles). The fast idle drive must be free, clearance A must be within 0.5-1 mm.

• fully depress the accelerator pedal;
• make sure that the lever 8 rests against the limit screw 6. Otherwise, change the position of the accelerator cable tension locking pin;
• make sure that in the idle position the lever 8 rests against the locking screw 5.

Adjustment of the engine stabilization mechanism (residual fuel supply)

Adjust the engine stabilization mechanism in the following order:

• install gasket 4 (see fig. 4.118) 3 mm thick between the load lever 8 and the thrust bolt 5, which prevents the engine from stopping;
• press the lever 1 to stop the engine;
• insert pin 3 with a diameter of 3 mm into lever 2;
• adjust engine speed (1700±100) min^-1, by turning stop 5;
• remove pin 3;
• remove the dipstick.

Engine idle adjustment

Adjust the idle speed of the crankshaft with screw 11 (see fig. 4.118).

With air conditioning, crankshaft speed - (875±25) min^-1.

Without air conditioning, crankshaft speed - (800±25) min^-1.

Control of engine operation in deceleration mode

Check the operation of the engine in the deceleration mode in the following order:

• press lever 8 (see fig. 4.118) throttle valve and achieve an engine speed of 3500 min^-1;
• release the load lever 8.

Note. Deceleration should occur in the range of 2.5-3.5 s.

Speed reduction should be approximately 50 min^-1 in relation to the value of the frequency of rotation of the crankshaft at idle. Otherwise, you should follow the table. 4.11.

Table 4.11. Control of engine operation in deceleration mode

Marked deviations	Elimination Method
Too fast deceleration
Engine detects a tendency to stop running, stalls	Tighten screw 5 (see fig. 4.118)) a quarter turn
Too slow deceleration
Speed exceeds idling	Loosen screw 5 a quarter of a turn

Attention! In each case, the idle speed should be checked for possible correction.