TM-9-2350-277-20-3 Unit Maintenance Manual Volume 3 M113A3 M577A3 M1064A3 M1068A3 M58 Download

Page 295 of 962

TM 9--2350--277--20--3 0321 01--1 REPLACE VARIABLE SPEED FAN DRIVE SENSORS AND SWITCHES (NEW CONFIGURATION) 0321 01 THIS WORK PACKAGE COVERS: Removal (WP 0321 00 -1). Installation (WP 0321 00 -2). INITIAL SETUP: Ma i nt e na nc e L e ve l Un i t Tool s a nd Spe c i a l Tool s ools Ge ne ra l Me c ha ni c ’s Tool Ki t (W P 0926, It e m 65) Materials/Parts Tiedown straps Personnel Required Unit Mechanic References See your -10 Equipment Conditions Engine stopped (see your -10) Carrier blocked (see your -10) Power plant rear access panels removed (see your -10) Driver’s power plant access panel removed (see your -10) Battery ground strap disconnected (WP 0334 00 or WP 0338 00) REMOVAL NOTE Install covers on disconnected electrical component cable connections during maintenance. Use any appropriate material to prevent damage to components. Mark and tag all connections prior to disconnection. 1. Disconnect variable speed wiring harness plug P3 (1) from engine running switch S2 (2). 2. Remove engine running switch S2 (2) from tee (3) on secondary fuel filter (4). 3. Disconnect variable speed wiring harness plug P6 (5) from engine coolant sensor 3A3 (6). Remove engine coolant sensor 3A3 (6). Change 2