TM 9-2350-261-20-2.REPLACE TUBE TYPE INFRARED POWER SUPPLY DESCRIPTION This task covers:Remove (page 12-134).Clean, Inspect, and Repair (page 12-135).Install (page 12-135).INITIAL SETUP Tools:References:General Mechanics Tool Kit (Item 30, App D)see your -10Materials/Parts:Equipment Conditions:Lockwasher (4)Engine stopped/shutdown (see your –10)Carrier blocked (see your -10)Personnel Required:Battery ground lead disconnected (page 13-2)Unit MechanicREMOVE 2. Remove four nuts (4), four lockwashers (5),ground lead (6), eight washers (7), fourWARNINGscrews (8), and power supply (3) from twoHigh voltage in the M19mounts (9). Discard lockwashers.periscope can cause seriousinjury or death. To avoidaccidents:A L W A Y S c o n n e c t p o w e r c a b l e toperiscope BEFORE turning master switchand I.R. POWER switch ON.After turning I.R. POWER and masterswitches OFF, ALWAYS wait at least 2minutes BEFORE disconnecting powercable from periscope.NEVER touch the end of the cable.Voltage could exceed 16,000 volts.1. Disconnect circuit 516A lead (1) and circuit517 lead (2) from power supply (3).12-134Change 1
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