TM 10-3930-653-14&P Organizational Preventive Maintenance Check and Services A-Annually H-Hours Item Interval Item To Be Inspected No. A H Procedure:  Check For And Repair, Fill Or Adjust As Necessary. 8. CARBURETOR 250 a. Check carburetor for proper idle RPM and mixture ratio. 250 b. Check emission control and ventilation hoses (ref. para 4-1-3-4(4)). 9. BATTERY WARNING DO NOT SMOKE, OR ALLOW ANY FLAME OR SPARK IN THE VICINITY WHILE CHECKING OR FILLING BATTERY.  THE BATTERY GENERATES HYDROGEN, A HIGHLY EXPLOSIVE GAS. 250 a. Test battery to determine cell condition. 250 b. Clean top and terminals.  Insure all connections are tight (ref. TM 9-6140-200-14). 10. TRANSMISSION 500 Drain oil and replace transmission line filter.  Refill to bring oil level between lower and upper marks on dipstick (ref. page 3-9, Power Train, TM 10-3930-653-14&P). 11. BRAKES 500 a. Inspect brake/linings and wheel cylinder for excessive wear and for evidence of leakage. 500 b. Check and repack wheel bearings. 500 c. Check brake level in reservoir.  Level should be between the two seams of the reservoir. 12. DIFFERENTIAL 1000 Drain and refill differential.  Check for leakage (ref. page 2-10, TM 10-3930-653-14&P). B-41