Throttle Damper and Timing Valve — checking and adjusting (VW Lt 28)

58. The engine must be at normal operating temperature.

59. Start the engine and let it idle.

60. Press the control lever against the stop, moving it towards the vacuum block.

61. Check the engine speed, which should be 1400±50 rpm.

62. Adjust the speed using the screw located on the end of the vacuum block.

Figure 13.31. Throttle damper and time delay valve (1B1 carburetor) (Section 6A): 1 - Control lever; 2 - Adjusting screw.

[The original can be seen on the portal VWMANUAL]

63. Increase engine speed to approximately 3000 rpm until the throttle damper lever engages.

64. Lower the throttle valve. After 3-5 seconds, the control lever should return to the idle position.

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The text has been checked: Kolesnikov Artem

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Throttle Damper and Timing Valve — checking and adjusting (VW Lt 28)

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