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CAC Gasoline Engine Maintenance And Servicing Manual 75 Cause
Correction (1). Engine ignited too late
check or adjust distributor
adjust ‘teeth’ belt tension and
inadequate belt tension
tension pulley (3). Carburetor fuel level too low or
check and adjust float chamber mixture too lean
needle valve (4). Carburetor measuring orifice blocked or
clean
float chamber watery (5). Spark plug overheated or too much carbon deposits adjust and service (6). Intake valve sealing not well
check and service (7). Intake manifold or connecting hose vacuum leakage check and service Cause
Correction (1). Engine oil level too low or not correct fill in engine oil or apply correct engine oil
replace Oil pressure warning light (3). Engine temperature too high
see No. 17. (4). Engine bearing or fuel pump worn out
check, service or replace (5). Fuel pump relief valve binding or spring deformed check or replace (6). Oil collector blocked or loose
clean or replace or tighten Cause
Correction (1). Too high idle speed, too lean mixture or
adjust idle speed or fast idle boost fast idle gear out of work (2). Incorrect fuel grade
use fuel of correct grade (3). Too much carbon deposits in Spark plug or combustion chamber
clean carbon deposits (4). Idle cut-off valve not works or circuit trouble
service or replace (5). Choke and throttle valve out of work
check relevant connecting mechanism |