ARTICULATE

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Unscheduled Maintenance

Date Test Miles Service Activity Downtime Hours
10-12-92 552 Radiator fan mount cracked. Welded/repaired radiator fan mount. 1.5 1.5
10-15-92 987 Windshield defroster fan loose. Manufacturer's rep tightened defroster fan. 0.5 0.5
12-09-92 5953 Mounting brackets on coolant tank broken. Brackets welded/repaired. 0.5 5.0
12-09-92 5953 Front heater missing fasteners. Fasteners replaced. 0.25 0.25
12-16-92 6623 Coolant hose bracket broken. Bracket welded/repaired. 0.25 0.25
12-16-92 6623 Coolant hose bracket broken. Bracket welded/repaired. 0.25 0.25
12-18-92 6723 Fan belts came off of pulleys. Belts ordered. Belts received and installed. 61.5 0.5
12-18-92 6723 Front heater not functioning. Manufacturer's rep repaired loose ground wire. 1.0 1.0
01-11-93 7354 Heater line leaking in articulate joint area. 1" copper heater line repaired and coolant replaced. 1.0 1.0
01-30-93 9486 Coolant line leaking in articulate joint area. 1" coolant line repaired. 3.0 3.0
03-01-93 13190 Overhead air conditioning lines are loose. Air conditioning lines secured. 0.25 0.25
10-11-92 479 Screws in dash and front left and right luggage racks are loose. Screws tightened. 0.25 0.25
10-12-92 552 Various luggage racks loose. Luggage rack fasteners tightened. 1.0 1.0
10-21-92 2130 Vertical body seams-both left and right sides just aft of bellows separating approximately 14 inches. No repairs at this time. Monitoring for further separation. 0.0 0.0
11-02-92 2941 Left windshield leaking slightly at the bottom seal during light rain. Monitor for further leakage. 0.0 0.0
11-04-92 3169 Overhead panel in driver's compartment has approximately 2" crack. Monitor for further cracking. 0.0 0.0
11-07-92 3722 Test driver observed windshield movement within gasket. Monitor for further movement. 0.0 0.0
12-07-92 5643 Body crack near LNG fueling access door. Monitor for further cracking. 0.0 0.0
12-16-92 6623 Curb side mirror bracket broken. Bracket welded/repaired. Wire repaired. 1.5 1.5
12-16-92 6623 Numerous fasteners missing from luggage racks, front section. Fasteners replaced. 0.25 0.25
01-27-93 8959 Rear door, upper pivot arm bracket. Pivot arm bracket welded/repaired and replaced. 2.0 2.0
02-11-93 10482 Center post of windshield cracked at the top. Manufacturer recommends no repair at this time. 0.0 0.0
02-22-93 11999 5 ceiling panels loose and missing fasteners. Fasteners replaced and tightened. 1.0 1.0
03-01-93 13190 Engine compartment door strut broken. Strut replaced. 0.25 0.25
03-01-93 13190 Rear door pivot arm mount broken. Pivot arm mount welded/repaired. 0.5 0.5
04-10-93 14109 Roof leaking water at right front and left rear. Monitor for further leakage. No recommended repair at this time. 0.0 0.0
04-10-93 14128 Third window from rear on left side leaking water. Monitor for further leakage. No recommended repair at this time. 0.0 0.0
10-14-92 845 LNG relief valve leaking fuel. Relief valve replaced. 1.0 1.0
10-12-92 552 Check engine relay not functioning. Check engine relay replaced. 0.5 0.5
10-14-92 845 Fuse link at batteries blown. Battery fuel link replaced. 0.5 0.5
12-07-92 5643 Right low beam and brake light burned out. Lowbeam and brake light replaced. 0.5 0.5
12-16-92 6623 Fan belts twisted on pulleys. Fan belts replaced. 0.5 0.5
02-06-93 10373 LNG warning light on, bus switching to diesel mode. The bus was then manually switched to diesel mode. Check engine light came one. LNG and hydraulic pump pressure checked ok. D-Dec system monitored, no problem found. Located tripped breaker and reset. 280.0 3.0
02-15-93 10891 Speedometer not functioning. Wheel removed and manufacturer's rep repaired broken wire. 1.0 1.0
04-07-93 13538 Speedometer not functioning. Wheel removed and manufacturer's rep repaired speedometer wire. 23.5 2.0
11-04-92 3169 Various rivets broken in heating duct work in rear section. Duct work rivets replaced. 2.0 2.0
11-05-92 3335 Front ceiling heater unit missing various fasteners. Fastener replaced, all tightened. 0.25 0.25
04-06-93 13538 Transmission leaking fluid. Speedo driver removed from transmission to replace o-ring. Found thread worn from loose fitting. Threads chased and speedo driver reconnected. 3.5 3.5
11-04-92 3169 Exhaust pipe bracket in engine compartment broken. Bracket welded/repaired, exhaust pipe repositioned and fastened. 1.5 1.5
01-27-93 8959 Muffler bracket broken. Bracket welded/repaired. 1.5 1.5
02-05-93 10250 Left side exhaust manifold gasket leaking. Left side exhaust manifold gasket replaced. 3.0 3.0
02-11-93 10482 Exhaust pipe hanger broken. Hanger welded/repaired and installed. 1.0 1.0
02-15-93 10891 Fasteners loose on air conditioning panel. Fasteners tightened. 0.25 0.25
10-14-92 845 Frame bulkhead just forward of the artic joint; 4 cracks at horizontal/vertical frame interfaces; 2 top, 2 bottom. All four cracks welded/repaired as per manufacturer's recommendations. 2.0 2.0
10-21-92 2130 All four top corners of the bulkhead fore and aft of the articulated joint are cracking. Bus parking pending repair instruction from manufacturer. Instructions received from manufacturer indicate the addition of 13 tubular supports int he rear section of the bulkhead area, and the addition of 6 tubular supports in the front section of the bulk head area. Reference pages 66 and 67 for manufacturer's schematic. 192.0 16.0
11-11-92 4557 Six additional cracks found in the bulk head/main frame of the front of the rear section (articulated joint area). Bus parked pending repair instructions. 0.0 0.0
11-20-92 4557 Six frame cracks reported on 11/11/92. Cracked area prepped for welding repairs. Repairs pending manufacturer's instructions. 3.0 3.0
11-25-92 4557 Six frame cracks reported on 11/11/92. Finish prepping areas to be welded. 5.0 5.0
11-27-92 4557 Received instructions for repair of six frame cracks. Stitch welded two fishplates vertically (one on each side) to the bulk head/frame interface. Rear of articulate joint. Reference page 66 and 67 for manuf. schematics. 496.0 8.5
11-30-92 4558 Further welding repairs to bulk-head/frame area. Articulated area jacked up, center wheels, wheel skirts and wheel splash guards all removed for access to areas for welding repairs of frame. 2.0 2.0
12-01-92 4558 Frame/bulk head cracks. Stitch weld two fishplates vertically (one each side) to the bulk-head/frame interface front section, rear. All repairs front and rear undercoated. Splash guards, wheel skirt, and wheels replaced. Reference pages 66 and 67 for manuf. schematics. 104.0 10.0
02-11-93 10482 4 cracks found in frame bulkhead of front section of bus (same areas reported on 10-14-92). 4 cracks welded/repaired. Repaired areas undercoated. 52.0 8.0
10-15-92 1030 LNG warning light and diesel mode light came on. Representative inspected bus; potential problem with the cryo-pump. Rep recommends to continue running in diesel mode. 1.75 1.75
10-16-92 1139 LNG fuel system not functioning properly. Test mechanic and manufacturer's rep trouble shooting and testing the cryogenic and hydraulic pumps. No problems found. 7.5 7.5
10-20-92 1901 LNG fuel system not functioning properly. Test mechanic and manufacturer's rep trouble shooting and testing the hydraulic pump. No problems found. 2.0 2.0
10-26-92 2131 Cryopump not maintaining the proper fuel pressure to the engine. CVI rep and test mach. replace cryopump. Bus now operating in LNG mode. 4.0 4.0
10-30-92 2346 LNG warning light on, loss of power. Bus running in diesel mode only. 0.75 0.75
11-04-92 3169 P.M. / Inspection Cryopump still not functioning properly. Bus running in diesel mode only. 0.0 0.0
11-06-92 3538 Test drivers attempted to operate LNG fuel system. Bus continued to lose power, LNG light on, fuel pressure drop to 280 PSI. LNG fuel system not functioning properly. Bus operating in diesel mode only. 0.75 0.75
11-07-92 3672 Representative trouble shooting LNG fuel system. No problem found. Bus running in diesel mode only. 0.5 0.5
11-07-92 3799 Bus operating in diesel mode, LNG light came on and bus lost power. Bus pulled off the Test Track and stopped. Light went out, bus regained power. 0.25 0.25
11-08-92 3828 In a seven hour period, the bus switched from diesel to LNG mode approximatelyfour times, and each time there was a loss of power. Representative said it is ok to continue operating. 0.0 0.0
11-12-92 4557 Bus losing power in LNG mode. Test mechanic, and CVI rep trouble shooting. Hydraulic pump in LNG fuel system. No problem found. 5.0 5.0
11-13-92 4557 Bus losing power in LNG mode. Bus rep, CVI rep and test mechanics; fuel filters changed, trouble-shooting of fuel and hydraulic pressures, hydraulic pressures too low. Hydraulic pump ordered. 8.0 8.0
11-17-92 4557 Bus losing power in LNG mode. Vickers hydraulic pump replaced by CVI representative and test mechanic. Barksdale vale on LNG fuel system also replaced. 2.5 2.5
12-03-92 4777 Bus is not running properly in the LNG mode. Manufacturer's rep monitoring LNG hydraulic pump pressures. One rear seat removed to gain access to LNG hydraulic pump. Monitoring equipment installed. 1.5 1.5
12-03-92 4801 Bus in not running properly in the LNG mode. Manufacturer and CVI reps trouble shooting. No problems found. 1.5 1.5
12-04-92 4972 Removal of monitoring equipment. Installed on 12/03/92. Monitoring equipment removed and seat replaced. 1.0 1.0
12-16-92 6627 Check engine and stop engine light on. LNG fuel filter replaced (filter dirty). Manufacturer's rep requested the two LNG fuel system solenoid valves be replaced. Solenoid valves replaced. 2.0 2.0
01-08-93 7054 LNG fuel system lost pressure. Monitored LNG fuel pressure and hydraulic pump pressure for six hours. Observed no further drop in pressure. Bus functioning ok. 6.0 6.0
01-11-93 7354 LNG warning light came on. LNG fuel filter and pressure gauge replaced. 1.0 1.0
01-14-93 7379 LNG warning light came on. Representative requested the two solenoid valves be replaced. Solenoid valves replaced. Hydraulic pump pressure and cryo pump pressures ok. Rep ordered a new cryo pump. 2.0 2.0
01-18-93 7379 Cryopump reported on 01/14/93 arrived. New cryo pump installed, system tested. All is ok. 140.0 6.0
03-01-93 13190 LNG fuel tank lost its vacuum and is leaking fuel. Fuel tnak removed and sent to CVI for repairs. 792.0 4.0
04-02-93 13190 Repaired LNG fuel tank; returned from CVI. LNG fuel tank installed and complete system checked out. 5.5 5.5
04-02-93 13412 LNG 1/4 turn shut off valve leaking fuel. Manufacturer's rep replaced 1/4 turn valve. 56.0 1.5
04-12-93 14612 1/4" pressure line on LNG fuel tank cracked and leaking fuel. Fuel drained from LNG fuel tank. Bus operating in diesel mode only. 2.0 2.0
04-13-93 14781 Secondary diesel fuel filter has a small pinhole and is leaking fuel. Secondary fuel filter replaced. 1.5 1.5
01-25-93 8959 Right side wiper blade worn. Wiper blade replaced. 0.25 0.25
10-09-92 0 Bus to be operated in diesel mode only until the Amerex system is operational. No repair at this time manufacturer notified, parts ordered. 0.0 0.0
10-13-92 649 Various luggage racks and handrails are loose. Luggage racks and handrails tightened. 0.5 0.5
10-14-92 845 Most luggage racks and handrails loose. Luggage racks and handrails tightened. 0.75 0.75
10-15-92 987 Drip pan at LNG fueling port is loose. Bolts replaced and drip pan tightened. 0.25 0.25
10-16-92 1139 Courtesy panels at front passenger door and behind the driver's seat. Both loose and broken. Both panels removed for repairs at a later time. 0.5 0.5
10-19-92 1702 Driver's rear view mirror loose (right side). Mirror tightened. 0.25 0.25
10-20-92 1901 Most luggage racks and handrails are loose. Luggage racks and handrails tightened. 0.25 0.25
10-21-92 2130 Both left and right handrails (front) are broken from the ceiling. Parts on o rder. No repair at this time. 0.0 0.0
10-21-92 2130 Numerous fasteners loose and missing from ceiling panels throughout the bus. Fasteners tightened and replaced. 1.0 1.0
10-27-92 2131 Four overhead storage racks in the front section of the bus have broken ceiling brackets. Four overhead storage rack ceiling brackets welded/repaired. 1.0 1.0
10-29-92 2234 Numerous ceiling panel fasteners loose and missing. Fasteners replaced and tightened. 0.25 0.25
11-01-92 2739 Numerous luggage racks and ceiling panels have loose and missing fasteners. Manufacturer's rep replaced and tightened fasteners. 0.75 0.75
11-02-92 2917 Numerous luggage racks and ceiling panels have loose and missing fasteners. Fasteners tightened and replaced. 0.75 0.75
11-04-92 3169 Bellows missing 2 screws on the right and 1screw on the left. All three missing screws are near the floor. Screws replaced. 0.25 0.25
11-08-92 3935 Dash mounted fan loose. Fasteners tightened. 0.25 0.25
11-09-92 4149 Fasteners below air conditionoing panel all loose. Fasteners tightened. 0.25 0.25
11-10-92 4303 Amerex fire suppression system not functional. Company representative trouble shooting; part ordered. 1.25 1.25
11-11-92 4557 Four stanchion post insulators worn (cut through). Two insulators replaced in front section and two replaced in the rear of the front section. 0.25 0.25
12-04-92 4998 Amerex control box and driver's fan loose. Amerex box and fan tightened. 0.25 0.25
12-07-92 5643 Hand rails, front section loose. Manufacturer's representative tightened and replaced fasteners. 0.25 0.25
12-08-92 5853 Various luggage rack fasteners loose and missing. Front section. Fastener replaced and tightened. 0.5 0.5
12-08-92 5853 Fasteners in moding at bellows area loose. Fasteners tightened. 0.25 0.25
12-09-92 5953 Right rear upper shock mount broken. Part ordered. Broken mount removed and new shock mount welded in place. 0.5 0.5
12-09-92 5953 Six luggage rack brackets broken. Luggage rack brackets welded/repaired and replaced. 0.5 0.5
12-16-92 6623 Left low beam burned out. Left low beam replaced. 0.25 0.25
12-16-92 6623 Rear door, upper bushing and pivot arm loose. Bushings replavced and arm torqued. 1.5 1.5
12-22-92 6968 Numerous overhead panels are loose throughout the bus due to missing and loose fasteners. Fasteners replaced. 1.5 1.5
12-22-92 6968 Ceiling trim by air conditioniong unit loose. Fasteners replaced and tightened. 0.5 0.5
12-22-92 6968 One luggage rack bracket broken. Bracket welded/repaired and installed. 0.5 0.5
01-11-93 7354 Numerous overhead panels loose. Fasteners replaced and tightened. 1.0 1.0
01-14-93 7379 Replacement Amerex box and pump arrived. Manufacturer's rep replaced Amerex box and pump. 1.0 1.0
01-22-93 8250 Ceiling panels and luggage rack loose in front section left side. Fasteners replaced and tightened. 0.25 0.25
02-03-93 9841 Two handrail brackets broken in front section of the bus. Manufacturer's rep repaired/welded and installed handrail brackets. 2.0 2.0
02-05-93 10312 Two luggage rack brackets in the rear section are broken. Manufacturer's rep repaired/welded two luggage rack brackets. 1.5 1.5
02-06-93 10369 Ten luggage rack brackets throughout the bus are broken. Ten luggage rack brackets repaired/welded and installed. 4.0 4.0
02-11-93 10482 3 3/4" crack found in the right front corner of the wheelchair lift dust cover. Manufacturer recommended no repair at this time. 0.0 0.0
02-11-93 10482 Luggage racks; loose and missing fasteners right side by front and rear doors. Fasteners replaced and tightened. 0.5 0.5
02-11-93 10482 Destination sign is loose. Fasteners tightened. 0.25 0.25
02-21-93 11874 Luggage rack bracket broken left rear of bus. Bracket replaced with new one. 0.5 0.5
02-22-93 11999 One stanchion post missing insulator cup and fastener. Insulator cup and fasteners replaced. 0.25 0.25
02-24-93 12474 Luggage rack bracket broken left rear of bus. Manufacturer's rep replaced broken bracket. 0.5 0.5
03-01-93 13189 10 luggage rack brackets are broken. 10 luggage rack brackets removed, repaired/welded and replaced. 26.0 5.5
03-01-93 13190 1 crack found in frame bulkhead, articulate area of front section of the bus. Right side. Crack welded/repaired; area undercoated. 5.0 5.0
04-05-93 13501 Two luggage rack brackets broken in left rear of bus. Manufacturer's rep replaced broken brackets. 0.5 0.5
04-06-93 13538 Two luggage rack brackets broken. Manufacturer's rep replaced brackets. 0.5 0.5
04-07-93 13566 Two luggage rack brackets broken. Manufacturer's rep replaced brackets. 0.25 0.25
04-08-93 13691 One luggage rack bracket broken. Bracket welded/repaired and replaced. 1.0 1.0
04-08-93 13762 One luggage rack bracket broken. Bracket welded/repaired and replaced. 0.5 0.5
04-09-03 13945 Two luggage rack brackets broken. Manufacturer's rep replaced brackets. 1.0 1.0
04-12-93 14612 Two luggage rack brackets broken. Manufacturer's rep replaced two bra kets. 1.0 1.0
04-14-93 14967 Numerous ceiling panels and one luggage rack support bracket are missing fasteners. Fasteners replaced. 1.5 1.5
10-13-92 673 Front axle ride height 3" too low. Manufacturer's rep readjusted the front axle. 0.5 0.5
11-04-92 3169 Manufacturer's rep requests both front shocks be replaced. Both front shocks replaced. 1.5 1.5
11-07-92 3672 Left front ride height dropped. Leveling valve arm flipped over center. Leveling valve arm readjusted by representative. 3.0 0.5
11-10-92 4306 Front axle ride height dropped. Leveling valve arm flipped over. Company rep readjusted. 0.5 0.5
10-21-92 2130 Bolt missing from the articulate steering arm cylinder. Bolt replaced in articulate steering arm cylinder. 0.75 0.75
01-28-93 9149 Steering arm pin on articulate joint broken. New arm pin welded in place. 2.5 2.5
12-22-92 6968 All ten tire worn. All ten tires replaced. 2.0 2.0