GAS PRODUCER TACHOMETER SYSTEM VISUAL CHECK

GAS PRODUCER TACHOMETER SYSTEM WIRING DIAGRAM - TM-55-1520-240-T-2_79

GAS PRODUCER TACHOMETER SYSTEM OPERATIONAL CHECK

TM-55-1520-240-T-2 CH-47D Heilcopter Manual
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TM 55-1520-240-T 8-2.2 GAS PRODUCER TACHOMETER SYSTEM VISUAL CHECK 8-2.2 INITIAL SETUP Personnel Required: Medium Helicopter Repairer Applicable Configurations: Aircraft Electrician All References: Tools: TM 55-1520-240-23 Aircraft Mechanic's Tool Kit, NSN 5180-00-323-4692 Equipment Condition: NSN 5180-00-323-4692 TM 55-1520-240-23: Electrical Repairer's Tool Kit, Battery Disconnected Electrical Power Off Materials: Hydraulic Power Off None No. 1 and No. 2 Engine Upper and Lower Access Covers Open No. 1 and No. 2 Engine Work Platforms Open TASK RESULT 1. Check NO. 1 ENGINE gas producer tachometer (1). If tachometer (1) is loose or damaged, tighten it or replace it. 2. Check NO. 2 ENGINE gas producer tachometer (2). If tachometer (2) is loose or damaged, tighten it or replace it. 3. Check No. 2 engine gas producer generator (3). If tachometer generator (3) is loose or damaged, tighten or replace it as required. If electrical connector or harness to tachometer generator is damaged, replace it. 4. Check No. 1 engine gas producer generator (4). If tachometer generator (4) is loose or damaged, tighten or replace it as required. If electrical connector or harness to tachometer generator is damaged, replace it. FOLLOW-ON MAINTENANCE: TM 55-1520-240-23: No. 1 and No. 2 engine upper and lower access covers closed. No. 1 and No. 2 engine work platforms dosed. END OF TASK Change 19 8-31

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