ENGINE MAINTENANCE Before Engine Starts CHECKING DRIVE BELT 1. Inspect for cracks fraying, wear or oiliness. Replace if necessary. The belt: should not touch the bottom of the pulley groove. 2. Check drive belt deflections by pushing mid- way between pulleys. Adjust if belt deflections exceed the limit. Unit: mm (in) um ban deflection Setdellectlon . _ Adiust otnlw bell L'm" deflection 115 - um 12.5 - 14.0 mm 19.00145) (0.531 4:530) loam-0.551) Applied ushing force: 93 N (ID kg, 22 lb) H22 as (2.2 .10. 15-22) Alternator pulley 9.1 - 11.! (0.53 - 1.2, 5.7 - 8.7) {q : Mn (kn-mm! 5MA7OSA Alternator belt 1. Loosen the upper and lower alternator securing bolts until the alternator can be moved slightly. 2. Move the alternator with a prying bar until the belt deflection is within the specified range. Then tighten the bolts securely. REPLACING AIR CLEANER FILTER Air clearer lter is a viscous paper type and does not require cleaning. 1. Remove air cleaner cover and remove air cleaner filter. 2. Install new air cleaner filter and install air cleaner cover. Align the mark on air cleaner cover to the mark on body. CHECKING CHOKE MECHANISM (Choke plate and linkage) 1. Check choke valve and mechanism for free operation, and clean or replace if necessary. Binding can result from petroleum gum forma- tion on choke shaft or from damage. 2. Before starting engine, fully open throttle valve and make sure that choke valve closes properly. . 3. Push choke valve with your finger, and check for binding. 4. Check to be sure that the punched index mark on the bimetal cover meets the scratched index mark on the choke housing, as shown below. Do not set the bimetal cover index mark at any other positions except the punched mark on the choke housing. eimoul new index mark (matched) Choke housing ind-x mark (punch-d) sEFoean