CNG-28

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Unscheduled Maintenance

Date Test Miles Service Activity Downtime Hours
02-15-95 2381 Ten rivets are missing from the wood trim on the outside, left and right sides. Ten rivets replaced. 0.5 0.5
02-15-95 2381 The second upper window, right side; the window frame and seal are falling out. Window frame and seal replaced. 0.5 0.5
02-15-95 2381 Two body-to-frame tie down bolts are missing, one forward and one rear of the rear axle. Bolts replaced. 0.5 0.5
03-17-95 5217 Ten rivets are missing from the wood trim in various locations throughout the interior of the bus. Rivets replaced. 0.5 0.5
03-17-95 5217 Twelve screws are missing in various locations of the CNG tank covers. Screw replaced. 0.5 0.5
03-17-95 5217 Inspection found the following window posts are cracked; the third and fourth left side, the first and second right side, and both rear corner posts. Repairs to follow pending manufacturer's instructions. 0.5 0.5
03-22-95 5931 Five screws are missing from the CNG tank covers on the right side. Screws replaced. 0.5 0.5
03-23-95 6232 Two body-to-frame mounting blocks are loose, one forward and one rear of the left rear wheel well. Block bolts torqued. 0.5 0.5
03-23-95 6232 Window post cracks reported on 03/17/95; welding instructions received. Window post welded/repaired. 5.0 5.0
03-24-95 6444 The rear center window (lower section) fell out. Opening covered with plastic 1.0 1.0
03-28-95 6847 Eight screws are missing in various locations in the CNG fuel tank covers. Eight screws replaced. 1.0 1.0
03-31-95 7395 Twenty-six rivets are missing in various locations from the interior wood trim. Twenty-six rivets replaced. 1.0 1.0
03-23-95 6232 The right front low beam is burned out. Low beam lamp replaced. 0.25 0.25
02-09-95 1107 Engine shut down will not start. Bus towed to shop. Fuel filters checked, primary filter is missing. Installed a primary fuel filter. Secondary filter cleaned. Fuel mixing solenoid inspected and cleaned. Trouble shooting fuel and inginition system. No problems found, Cummins rep. called in. 24.0 5.0
02-10-95 1107 Engine shut down will not start. Cummins rep. trouble shooting; fault codes found, 751 (active), 124, 752, 514, 453, 545, (inactive). Primary fuel regulator pressure is 170 psi, it should be 100 psi. Secondary regulator to fuel control valve pressure is 55 psi. Engine started by opening the throttle part way. Ran bus, made checks. Cleared all fault codes. 24.0 8.0
02-11-95 1107 Engine is now running. Cummins Rep. continues trouble shooting. Cummins rep. removed the fuel mixer, control valve, fuel block regulator, gas mass flow sensor, shut off valve, and screen; all parts cleaned and replaced. Installed a new in-line fuel filter. New 100 psi fuel regulator ordered and will be installed when it arrives. Cummins rep. released the bus for testing. 16.0 6.0
02-15-95 2381 Fuel regulator ordered on 2-11-95 has arrived. Fuel regulator replaced. 1.0 1.0
03-01-95 3165 The right front motor mount is broken. Motor mount removed, repaired/welded, and replaced. 1.5 1.5
03-08-95 3980 Oil filter seal is leaking oil. Oil filter replaced. 4.0 1.0
03-31-95 7395 The mounting bolts are missing from the wheelchair lift hydraulic control. box. Mounting bolts replaced. 0.5 0.5
03-17-95 5217 Bushings are worn on all six shocks. Bushings replaced on all six shocks. 1.5 1.5
03-17-95 5217 The rear axle torque arm bolts, (axle housing side), and the left side suspension to axle bolts (front axle), are loose. Bolts torqued. 0.5 0.5
03-23-95 6232 All front shock bushings are worn. All front shock bushings replaced. 1.0 1.0
03-23-95 6232 Upper rear axle radius rod mounting bolt is loose. Bolt torqued. 0.25 0.25
03-31-95 7395 The right rear, forward, upper shock mount is broken and the left rear, forward upper shock mount has a 3/4" crack. Both mounts welded/repaired. 8.0 2.0