ENGINE MECHANICAL — Inspection and Adjustment of Dash Pot (DP) Setting Speed EM-15 I NSPECTION AND ADJUSTMENT OF DASH POT (DP) SETTING SPEED 1. WARM UP ENGINE 2. CHECK IDLE SPEED 3. DISCONNECT ISC CONNECTOR 4. REMOVE CAP, FILTER AND SEPARATER FROM DP 5. CHECK DP SETTING SPEED (a) Maintain engine speed at 2,500 rpm. (b) Plug the VTV hole with your finger. (c) Release the throttle valve. 1,200 rpm (d) Check that the DP is set. DP setting speed: 1,200 rpm. RPM Tachometer ECO137 Hexagon Wrench If not as specified, adjust with the DP adjusting screw. EC2724 Approx. 1 Second 6. CHECK OPERATION OF VTV (a) Set the DP speed in the same procedure as above; (a) to (c).
(b) Release the plugged hole and check that the engine returns to idle in approx. 1 second. ° RPM Release Tachometer 7. REINSTALL DP SEPARATER, FILTER AND CAP 8. RECONNECT ISC CONNECTOR EC2728 EC0141 ^J