Sapporo/Challenger

Page 0-11 - Idle-Up Adjustment for Air Conditioning Unit (whenever adjusting the idle speed)

1. Setting conditions:

^ Coolant temperature 185 to 205~F (85 to 95~C)
^ All lights and accessOFF ories
^ Transmission Neutral
^ Parking brake Apply
^ On vehicles with power steering, set the tires in the straight ahead position to prevent the pump from being loaded.

FIGURE 1 - IDLE-UP ADJUSTING (F.I.D.C.):

2. Make sure curb idle speed is within the specified speed and reset it by readjusting the speed adjusting screw (SAS 1) if necessary - Figure 1.

3. Switch the air conditioning system ON.

4. Adjust the engine speed to the specified speed with the throttle opener setting screw (SAS 2) - Figure 1.
5. Turn the air conditioner switch ON/OFF several times to check the throttle opener for operation (lever up/down).

Tune-Up Specification of Idle-Up

Description Specification

Engine Speed 875 + or - 25 rpm

Page 24-43 - Throttle Opener Setting Procedures

The throttle opener system shall be adjusted, under the following conditions, according to the setting procedures described below:

1. Setting conditions:

^ Coolant temperature 185 to 205~F (85 to 95~C)
^ All lights and accessOFF ories
^ Transmission Neutral
^ Parking brake Apply
^ On vehicles with power steering, set the tires in the straight ahead position to prevent the pump from being loaded.

FIGURE 1 - IDLE-UP ADJUSTING (F.I.D.C.):

2. Make sure curb idle speed is within the specified speed and reset it by readjusting the speed adjusting screw (SAS 1) if necessary (refer to Group 0) - Figure 1.

3. Switch the air conditioning system ON.

4. Adjust the engine speed to the specified speed with the throttle opener setting screw (SAS 2) - Figure 1.

5. Turn the air conditioner switch ON/OFF several times to check the throttle opener for operation (lever up/down).
Page 25-24 - Setting Procedures

The throttle opener system shall be adjusted, under the following conditions, according to the setting procedures described below:

1. Setting conditions:

^ Coolant temperature 185 to 205~F (85 to 95~C)
^ All lights and accessOFF ories
^ Transmission Neutral
^ Parking brake Apply
^ On vehicles with power steering, set the tires in the straight ahead position to prevent the pump from being loaded.