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{ "class": "go.GraphLinksModel", "linkFromPortIdProperty": "fromPort", "linkToPortIdProperty": "toPort", "nodeDataArray": [ {"key":-1, "category":"Start", "loc":"0 0", "text":"Hard Pedal", "additionalText":"", "media":""}, {"text":"Check for good fluid flow to callipers and wheel cylinders by opening bleeders & applying brake pedal.", "key":-2, "loc":"0 153", "additionalText":"", "media":""}, {"text":"Check for fluid flow upstream of hose.", "key":-3, "loc":"-280.7237184375001 279.61859218750004", "additionalText":"", "media":""}, {"text":"Do callipers & wheel cylinder pistons stroke freely?", "key":-4, "loc":"329.35022763324207 275.24638551218754", "additionalText":"", "media":""}, {"text":"Check fluid flow upstream of brake valve.", "key":-5, "loc":"-279.6724559375 457.89487375", "additionalText":"", "media":""}, {"text":"Replace hose.", "key":-6, "loc":"-98.29104812499992 372.4083396875", "additionalText":"", "media":""}, {"text":"Check fluid flow out of master cylinder. ", "key":-7, "loc":"-652.2998511245704 517.5891862110936", "additionalText":"", "media":""}, {"text":"Is this a load sensing proportioning valve (LSPV)?", "key":-8, "loc":"-94.14682468749993 569.84361125", "additionalText":"", "media":""}, {"text":"Have vehicle weight be supported by read axle. Does fluid flow from valve now?", "key":-9, "loc":"-238.66465218750017 719.8228012500006", "additionalText":"", "media":""}, {"text":"Replace brake valve.", "key":-10, "loc":"48.498699375 695.5734515625005", "additionalText":"", "media":""}, {"text":"Problem solved.", "key":-11, "loc":"-336.93833250000034 865.3188993750007", "additionalText":"", "media":""}, {"text":"Adjust valve. Fluid flow now?", "key":-12, "loc":"-132.7332825000001 872.9765887500007", "additionalText":"", "media":""}, {"text":"Replace valve.", "key":-13, "loc":"-130.64504411465919 1010.7800781502567", "additionalText":"", "media":""}, {"text":"Check inches of vacuum at booster.", "key":-14, "loc":"329.4725639649613 418.11989059230496", "additionalText":"", "media":""}, {"text":"Rebuild or replace wheel cylinder or calliper.", "key":-15, "loc":"527.4515934326957 407.77770248578156", "additionalText":"", "media":""}, {"text":"Check booster operation by pumping pedal with engine off until vacuum is depleted. Apply pressure to pedal & start engine. Pedal should drop an inch or two.", "key":-16, "loc":"242.30269278140645 639.7382071606645", "additionalText":"", "media":""}, {"text":"With engine idling create massive vacuum leak by removing vacuum supply hose from booster. Engine speed should change.", "key":-17, "loc":"576.207623077735 639.7382071606645", "additionalText":"", "media":""}, {"text":"Replace booster.", "key":-18, "loc":"240.8252373376173 893.8605434923835", "additionalText":"", "media":""}, {"text":"Replace vacuum pump and/or run compression check on engine. (Engine may be worn to supply adequate amount of vacuum)", "key":-19, "loc":"574.7301676339459 882.040899942071", "additionalText":"", "media":""}, {"text":"Check for restriction in vacuum line. Replace if faulty. ", "key":-20, "loc":"808.1681277526175 774.1866525454693", "additionalText":"", "media":""}, {"text":"Pre-bleed master cylinder or replace as required.", "key":-21, "loc":"-338.33729662769554 589.5047220718366", "additionalText":"", "media":""}, {"text":"Rebuild or replace master cylinder, wheel cylinders & callipers. Replace all valves and hoses. Flush steel lines with isopropyl alcohol followed by correct brake fluid. ", "key":-22, "loc":"-740.2051773383208 865.7888900603912", "additionalText":"", "media":""} ], "linkDataArray": [ {"from":-1, "to":-2, "fromPort":"B", "toPort":"T", "points":[0,57.44899448128634,0,67.44899448128635,0,80.66993181095567,0,80.66993181095567,0,93.890869140625,0,103.890869140625]}, {"from":-2, "to":-3, "fromPort":"B", "toPort":"T", "points":[0,202.109130859375,0,212.109130859375,0,228.49203535156252,-280.72371843750005,228.49203535156252,-280.72371843750005,244.87493984375004,-280.72371843750005,254.87493984375004], "text":"No or poor fluid flow.", "media":""}, {"from":-2, "to":-4, "fromPort":"B", "toPort":"T", "points":[0,202.109130859375,0,212.109130859375,0,222.24501892796874,329.3502276332422,222.24501892796874,329.3502276332422,232.3809069965625,329.3502276332422,242.3809069965625], "text":"Fluid flow good.", "media":""}, {"from":-3, "to":-5, "fromPort":"B", "toPort":"T", "points":[-280.72371843750005,304.36224453125004,-280.72371843750005,314.36224453125004,-280.72371843750005,364.69581988281254,-279.6724559375,364.69581988281254,-279.6724559375,415.029395234375,-279.6724559375,425.029395234375], "text":"No or poor fluid flow."}, {"from":-5, "to":-7, "fromPort":"L", "toPort":"T", "points":[-353.193207890625,457.89487375,-363.193207890625,457.89487375,-652.2998511245704,457.89487375,-652.2998511245704,470.3702038086718,-652.2998511245704,482.84553386734365,-652.2998511245704,492.84553386734365], "text":"No or poor fluid flow."}, {"from":-5, "to":-8, "fromPort":"R", "toPort":"T", "points":[-206.151703984375,457.89487375,-196.151703984375,457.89487375,-94.14682468749993,457.89487375,-94.14682468749993,492.4365032421875,-94.14682468749993,526.978132734375,-94.14682468749993,536.978132734375], "text":"Good fluid flow."}, {"from":-8, "to":-9, "fromPort":"B", "toPort":"T", "points":[-94.14682468749993,602.709089765625,-94.14682468749993,612.709089765625,-94.14682468749993,640.7722931640628,-238.66465218750017,640.7722931640628,-238.66465218750017,668.8354965625006,-238.66465218750017,678.8354965625006], "text":"Yes", "media":""}, {"from":-8, "to":-10, "fromPort":"B", "toPort":"T", "points":[-94.14682468749993,602.709089765625,-94.14682468749993,612.709089765625,-94.14682468749993,640.8303575781252,48.498699375,640.8303575781252,48.498699375,668.9516253906255,48.498699375,678.9516253906255], "text":"No", "media":""}, {"from":-3, "to":-6, "fromPort":"R", "toPort":"T", "points":[-202.63997820312505,279.61859218750004,-192.63997820312505,279.61859218750004,-98.29104812499992,279.61859218750004,-98.29104812499992,312.70255285156253,-98.29104812499992,345.786513515625,-98.29104812499992,355.786513515625], "text":"Good fluid flow."}, {"from":-9, "to":-11, "fromPort":"B", "toPort":"T", "points":[-238.66465218750017,760.8101059375006,-238.66465218750017,770.8101059375006,-238.66465218750017,804.7535895703131,-336.93833250000034,804.7535895703131,-336.93833250000034,838.6970732031257,-336.93833250000034,848.6970732031257], "text":"Yes", "media":""}, {"from":-9, "to":-12, "fromPort":"B", "toPort":"T", "points":[-238.66465218750017,760.8101059375006,-238.66465218750017,770.8101059375006,-238.66465218750017,804.5215211718756,-132.7332825000001,804.5215211718756,-132.7332825000001,838.2329364062507,-132.7332825000001,848.2329364062507], "text":"No", "media":""}, {"from":-12, "to":-13, "fromPort":"B", "toPort":"T", "points":[-132.7332825000001,897.7202410937507,-132.7332825000001,907.7202410937507,-132.7332825000001,945.9392465360662,-130.64504411465919,945.9392465360662,-130.64504411465919,984.1582519783817,-130.64504411465919,994.1582519783817], "text":"No"}, {"from":-4, "to":-14, "fromPort":"B", "toPort":"T", "points":[329.3502276332422,308.1118640278125,329.3502276332422,318.1118640278125,329.3502276332422,350.74405113818375,329.4725639649613,350.74405113818375,329.4725639649613,383.37623824855496,329.4725639649613,393.37623824855496], "text":"Yes", "media":""}, {"from":-4, "to":-15, "fromPort":"R", "toPort":"T", "points":[410.7921221644922,275.2463855121875,420.7921221644922,275.2463855121875,527.4515934326957,275.2463855121875,527.4515934326957,320.079304741172,527.4515934326957,364.91222397015656,527.4515934326957,374.91222397015656], "text":"No"}, {"from":-14, "to":-16, "fromPort":"B", "toPort":"T", "points":[329.4725639649613,442.86354293605496,329.4725639649613,452.86354293605496,329.4725639649613,500.5026572749222,242.30269278140645,500.5026572749222,242.30269278140645,548.1417716137895,242.30269278140645,558.1417716137895], "text":"Ok", "media":""}, {"from":-14, "to":-17, "fromPort":"B", "toPort":"T", "points":[329.4725639649613,442.86354293605496,329.4725639649613,452.86354293605496,329.4725639649613,508.6244834467972,576.207623077735,508.6244834467972,576.207623077735,564.3854239575395,576.207623077735,574.3854239575395], "text":"Vacuum low."}, {"from":-16, "to":-18, "fromPort":"B", "toPort":"T", "points":[242.30269278140645,721.3346427075395,242.30269278140645,731.3346427075395,242.30269278140645,799.286680014024,240.8252373376173,799.286680014024,240.8252373376173,867.2387173205085,240.8252373376173,877.2387173205085], "text":"Pedal does not drop."}, {"from":-16, "to":-17, "fromPort":"R", "toPort":"L", "points":[329.54903067203145,639.7382071606645,339.54903067203145,639.7382071606645,409.2460026561332,639.7382071606645,409.2460026561332,639.7382071606645,478.942974640235,639.7382071606645,488.942974640235,639.7382071606645], "text":"Pedal does drop.", "media":""}, {"from":-17, "to":-19, "fromPort":"B", "toPort":"T", "points":[576.207623077735,705.0909903637895,576.207623077735,715.0909903637895,576.207623077735,760.8895535513677,574.7301676339459,760.8895535513677,574.7301676339459,806.688116738946,574.7301676339459,816.688116738946], "text":"Engine speed changes."}, {"from":-17, "to":-20, "fromPort":"R", "toPort":"T", "points":[663.472271515235,639.7382071606645,673.472271515235,639.7382071606645,808.1681277526175,639.7382071606645,808.1681277526175,685.5296905952544,808.1681277526175,731.3211740298443,808.1681277526175,741.3211740298443], "text":"Engine speed stays the same."}, {"from":-7, "to":-22, "fromPort":"L", "toPort":"T", "points":[-732.0461890151954,517.5891862110936,-742.0461890151954,517.5891862110936,-742.0461890151954,662.2626465341799,-740.2051773383208,662.2626465341799,-740.2051773383208,774.1924545135162,-740.2051773383208,784.1924545135162], "text":"Check for contamination, indicated by swollen or slimy rubber diaphragm in master cylinder"}, {"from":-7, "to":-21, "fromPort":"R", "toPort":"L", "points":[-572.5535132339454,517.5891862110936,-562.5535132339454,517.5891862110936,-498.25741664957036,517.5891862110936,-498.25741664957036,589.5047220718366,-433.96132006519537,589.5047220718366,-423.96132006519537,589.5047220718366], "text":"If condition is found"} ]}
Hard Pedal
Launch flow