TM 10-3930-669-10 Table 2-3.  Operator Preventive Maintenance Checks and Services - CONT. Location Item Interval Item to Procedure Not Fully Mission No. Check/Service Capable If: DAILY- INTERIOR- Continued Continued 20 During Belt, Buzzer and Monitor broken belt warning light and Warning light or buzzer Warning Lights listen for warning buzzer during indicates a malfunction operation. and corrective action by the operator does not correct the problem. EXTERIOR 21 During Work Lights and Check for proper operation.  Notify Unit Stop/Taillight Maintenance. 2-21