3 34 ELEDTIl CAL r NOTE T0 use a mechanical tachometer remove seal 3 Remove through bolts drive end housing and from drive end housing and clear grease from erui of drive yoke return spring armature shaft 4 Remove pivot pin and starter drive yoke 5 Remove armature and drive assembly 3 Disconnect starter from battery 6 Remove brush end plate 4 Turn load control knob clockwise Increase un til voltmeter reading is exactly the same as it was cl I ul with the starter connected to the battery un ll an ll 5 If ammeter reading at no load speed is below 1 Use a brush or air to clean starter frame field specifications starter has high electrical resistance coils armature drive assembly and drive end hous and should be repaired or replaced ing 6 If ammeter reading is higher than specifics 2 Wash all other parts except field coils in sol tions and starter is running slower than it should vent and dry parts starter should be disassembled cleaned inspected and 3 Inspect armature windings for broken or bur tested as outlined in the following paragraphs ned insulation and unsoldered connections 4 Check armature for open circuits and grounds mslsumhly as outlined in Armature Test Procedure 5 If the commutator is dirty it may be cleaned Refer to figure 3 41 an pam identification wth No 400 pr No finer sandpaper 1 Remove brush cover band and protective tape drive yoke cover and gasket NOTE Never use emery cloth to clean the com 2 Remove brushes from brush holders mutator COVER sotsuoin worm GASKET Asssmatv snonzs stzeva E spaces puvor rzmvuuai s rAa r2n vs mu scnzw You m by A smmzn Q BQ FRAME tg 9r Amviaruna gr i univ vox 5 serum srmms q FIBER K Fm wasusn REw naive sun 6 I I uousme V l qw u sosame Q Sm 0 site Asssmscv 3 Q Ft kj o mnoucu 9 mma l noir li nznimzn in susums M S if snusn PLM e was Q poi SPN so was msuLA1 Eu e snusu sustains FIELD iXE J Am Fig 3 41 Sturm Motor Illmssnbld View