REPLACE SOLID STATE INFRARED POWER SUPPLY

R E P L A C E I N F R A R E D P O W E R S U P P L Y S H O C K M O U NT B R A C K E T S

TM-9-2350-261-20-2 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-20-2 REPLACE SOLID STATE INFRARED POWER SUPPLY DESCRIPTION This task covers: Remove (page 12-137). Clean, Inspect, and Repair (page 12-138). Install (page 12-138). INITIAL SETUP Tools: References: General Mechanics Tool Kit (Item 30, App D) See your-10 Materials/Parts: Equipment Conditions: Lockwasher (8) Engine stopped/shutdown (see your –10) Carrier blocked (see your -10) Personnel Required: Battery ground lead disconnected (page 13-2) Unit Mechanic REMOVE 2. Remove four screws (4), eight lockwashers (5), and power supply (3) from four weldnuts. WARNING Discard lockwashers. High voltage in the M19 periscope can cause serious ijury & death. To avoid accidents: A L W A Y S c o n n e c t p o w e r c a b l e to periscope BEFORE turning master switch and I.R. POWER switch ON. After turning I.R. POWER and master switches OFF, ALWAYS wait at least 2 minutes BEFORE disconnecting power cable from periscope. NEVER touch the end of the cable. Voltage could exceed 16,000 volts. 1. Disconnect circuit 516A lead (1) and circuit 517 lead (2) from power supply (3). GO TO NEXT PAGE Change 1 12-137

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