TM5-6115-634-14&P NAVFAC  P-8-647-14&P TO-35C2-3-445-14 TM-6115-14&P/1 CHAPTER 2 OPERATION/INSTRUCTIONS CHAPTER  INDEX Subject Index Page Operator  Controls  and  Indicators Preventive Maintenance Checks and Services (PMCS) 2-1 2-1 Operation Under Usual Conditions Operation Under Unusual Conditions Section I. DESCRIPTION AND USE 2-1. Operator  Controls  and  Indicators a. Generator Set. Refer to TM-6115-464-12 for operator controls and indicators for the generator set. b. Trailer. Refer to TM9-2330- 205-14&P for operator controls and in- dicators for the M200A1 trailer. c.  PU   794/G (1) Figure 2-1 shows the location of power and control connections for the junction box. (2) Figure 2-2 shows the controls and indicators of the remote control unit. LOW FUEL -   Lights when the fuel level drops below 1/4 tank. SYN LIGHT -   Synchronizing lights indicate when the two power units are in phase with one another. Section  II.  PREVENTIVE 2-2. Operator Preventive Maintenance Checks and Services (PMCS) a. To ensure that the PU 794/G is ready for operation at all times, it must be inspected systematically so that defects may be discovered and corrected before they result in serious damage or failure. Deficiencies  discovered  during 2-10 2-18 OF  OPERATOR  CONTROLS  AND  INDICATORS ENG RUNNING -   Lights when the engine has attained running speed. CONTACTOR CLOSED -Indicates that the output contactor of the power unit is closed. FREQ ADJUST - Adjusts the frequency of the respective sets for parallel operation. ENGINE: START, STOP - Starts and stops the engine. CONTACTOR: OPEN, CLOSE - Opens and closes the main load contactor. BATTLE SHORT: ON, OFF - Permits emergency operation by bypassing the protective circuits except short circuit and over speed. MAINTENANCE  CHECKS  AND  SERVICES operation of the unit shall be noted for future correction, to be made as soon as operation has ceased. Stop operation immediately if a deficiency is noted during operation which would damage the equipment. All deficiencies and short- comings shall be recorded together with the corrective action on the applicable form at the earliest possible opportu- 2-1