TM 9-2320-209-10-2 Table 1-5. Operator/Crew Preventive Maintenance Checks and Services for M109A2, M109A3, M185A2 and M185A3 Shop Van and Instrument Repair Trucks NOTE: These checks are to be made in the order listed, within designated interval. B-Before operation A-After operation M-Monthly D-During operation W-Weekly Interval Item Item to be Inspected Equipment is r No. Procedure: Check for and have repaired, filled, not ready/ B DAWM or adjusted as needed available if: 1 INTERIOR LIGHTS, SWITCHES, AND ACCESSORIES ● a. Turn on the following switches, lights, and accessories to check that they operate properly: ● Dome light toggle switch (1) and dome light ● Blackout dome light toggle switch (2) and dome light ● Rear door blackout switches (3 and 4) and dome lights ● Exhaust blower switch and exhaust blower. 1-23 221- 615 0 - 88 - 2:QL 3