E N G I N E C R A N K S B U T W I L L N O T S T A R T B E L O W 4 0 ( A I R B OX H E A T E R I S U S E D ) CONT.

E N G I N E C R A N K S B U T W I L L N O T S T A R T B E L O W 4 0 ( A I R B OX H E A T E R I S U S E D ) CONT. - TM-9-2350-261-20-1_233

TM-9-2350-261-20-1 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 9-2350-261-20-1 1. Turn MASTER SWITCH to ON. 2. Listen to air pump with air box heater switch ON. 3. Is air pump silent? 1. Measure voltage between power lead terminals 1 (+) and 2 (-) on air pump (3) with air box switch depressed. 2. Turn MASTER SWITCH to OFF. 3. Did multimeter read less then 17 volts? 1. Ins tall air pump to air box heater hose onto air box heater (page 6-133). GO TO PAGE 3-42 1. Turn MASTER SWITCH to OFF. 2. Replace air pump vane set (page 6-135). 1. Install air pump to air box heater hose onto air box heater (page 6-133). 2. Replace air pump (page 6-133) . 3. Verify no faults found. Change 4 3-39

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