UNIT MAINTENANCE OF THE REMOTE CONTROL MODULE (cont)

UNIT MAINTENANCE OF THE REMOTE CONTROL MODULE (cont) - TM-9-6115-604-12_423

UNIT MAINTENANCE OF THE REMOTE CONTROL MODULE (cont) - TM-9-6115-604-12_425

TM-9-6115-604-12 Generator Set Diesel Engine Driven Tactical Skid Rtd. 60 Kw 3 Phase 4 Wire 120/208 and 240/416 Volts Manual
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ARMY TM 9-6115-60412 NAVY NAVFAC P-8-633-12 Do not touch exposed electrical connection when a source of power such as utility power or another generator set is connected to the load terminals. Death or Injury may result from failure to observe this warning. (1) Test. See Figure 5-2. If either indicator falls to light when the BREAKER CONTROL switch S4R is actuated to the corresponding operational position, test as follows. (a) Open the RCM panel by unlocking three oval studs across the top of the panel. (b) Set multimeter to 50 V dc scale and check for presence of 24 V dc at lamp holder (17) terminals. Connect red multimeter lead to the positive (+) terminal and black lead to ground. If 24 V dc is not present when lamp should light, check wiring to lamp(s) using FO-3. Trace back through circuit until defective wire or item is found. Repair or replace defective circuit component as necessary. (c) If 24 V dc is present at lamp holder (17), replace lamp (14) with a known good lamp if replacement lamp still does not light, replace the lamp holder (17) in accordance with step (1) below. (2) Replace. (a) Remove green or red lens (15 or 16) covering lamp (14). (b) Tag and disconnect wiring from lamp holder (17). (c) Remove lamp holder (17) from panel by removing attaching hardware from rear. (3) Test. Test lamp holder, using a multimeter set to RX1 scale. Test continuity across contacts. Multimeter should read infinity. (4) Install. (a) Install replacement lamp holder (17) in panel and secure with attaching hardware. (b) Connect wrong as tagged, using shrink tubing as needed Remove and discard tags. (c) Install replacement lamp (14) and Install red or green lens (15 or 16). (d) Close RCM panel and secure by locking three oval studs at the top of the panel. n. SYNCHRONI7ING LIGHTS DS110R AND DS111 R (18, Figure 5-2). The lights indicate phase relationship of bus and generator set to be paralleled. The lamps are off when the generator set and the bus are In phase. Do not touch exposed electrical connection when a source of power such as utility power or another generator set is connected to the load terminals. Death or injury may result from failure to observe this warning. (1) Test. See Figure 5-2. When a lamp fails to light when expected, proceed as follows. (a) Open the RCM panel by unlocking three oval studs across the top of the panel. (b) Set multimeter to 120 V ac scale and check for presence of 120 V ac at lamp holder (19) terminals. If 120 V ac is not present when lamp should light, check wiring to the lamp using FO- 3 (RCM). Trace back through main generator circuits using FO-1 and FO-2 until defective wire or Item is found. Repair or replace as required. (c) Each indicator DS110R and DS111R is connected In series with a voltage dropping resistor (R110R or R111R) mounted on the rear of the RCM control panel. If 120 V ac is not present at lamp holder (19) terminals, deenergize the RCM and test resistors R110R or R111R for continuity using multimeter set to RX10K scale. Resistance reading for each resistor should be 3000 ohms 10 percent. Replace resistors if they do not meet this specification. 5-22

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