TM 5-3805-262-205-8. SENDING UNITS AND WARNING SWITCHES MAINTENANCE (CONT) b. Fuel Level Sending Unit (cont).INSPECTION, TESTING, AND REPAIR(1)(2)(3)( 4)( 5)Inspect wiring harness terminal (3) wire for cracked or broken insulationor broken wire strands at connection to terminal. Repair cracked or bro-ken insulation by applying insulation tape to area. If broken wirestrands are seen, cut wire as close to terminal as possible. Strip 1/4inch insulation from end of wire taking care not to cut through wire thencrimp new terminal securely onto wire.Inspect wire (11) for cracked or broken insulation or broken wire strandsat connection to terminal. Repair cracked or broken insulation by apply-ing insulation tape to area.If broken wire strands are seen, replacew i r e .Inspect fuel level sending unit (12) for cracks, breaks, damaged threads,distortion, broken or missing terminal, bent float rod, or other damage.Lower float into a container of clean diesel fuel and check for leakageas indicated by bubbles. Replace if any of these conditions are seen.Inspect remaining parts for cracks, breaks, distortion, or damagedt h r e a d s ; replace as necessary.Test fuel level sending unit (12)( a )Connect multimeter between fuelas shown below.(b)Hold fuel level sending uniti n v e r t i c a l p o s i t i o n asshown.(c)Slowly raise sending unitfloat and float rod whilewatching multimeter. Multi-meter indication shouldsmoothly increase from 0-3ohms at bottom position offloat to 84-92 ohms at topp o s i t i o n o f f l o a t.(d)Disconnect multimeter fromfuel level sending unit.( e )Replace fuel level sending unitabove are not obtained.as follows:level sending unit body and terminalif multimeter indications in step (c)5-118
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business