1991 LEXUS SC400 Service Repair Manual

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Page 2905 of 4087

LEXUS SC400 1991 Service Repair Manual COMPONENTS FOR DISASSEMBLY AND ASSEMBLY DISASSEMBLY OF STARTER 1. REMOVE FIELD FRAME AND ARMATURE(a) Remove the nut, and disconnect the lead wire from themagnetic switch terminal. (b) Remove the t

Page 2906 of 4087

LEXUS SC400 1991 Service Repair Manual 2. REMOVE STARTER HOUSING, CLUTCH ASSEMBLYAND GEARS (a) Remove the two mounting screws. (b) Remove the following parts from the magnetic switch:(1) Starter housing (2) Return spring (3) Pinion gea

Page 2907 of 4087

LEXUS SC400 1991 Service Repair Manual INSPECTION AND REPAIR OF STARTER Armature Coil 1. INSPECT COMMUTATOR FOR OPEN CIRCUITUsing an ohmmeter, check that there is continuity between the segments of the commutator. If there is no continui

Page 2908 of 4087

LEXUS SC400 1991 Service Repair Manual 4. INSPECT UNDERCUT DEPTHCheck that the undercut depth is clean and free of foreign material. Smooth out the edge. Standard undercut depth: 0.7±0.9 mm (0.028±0.035 in.) Minimum undercut depth: 0.2

Page 2909 of 4087

LEXUS SC400 1991 Service Repair Manual Brush Springs INSPECT BRUSH SPRING LOADTake the pull scale reading the instant the brush spring sepa- rates from the brush. Standard installed load: 26±32 N (2.7±3.3 kgf, 6.0±7.3 lbf) If the insta

Page 2910 of 4087

LEXUS SC400 1991 Service Repair Manual 2. IF NECESSARY, REPLACE FRONT BEARING(a) Using SST, remove the bearing. SST 09286±46011 (b) Using a 10 mm nut and press, press in a new frontbearing. NOTICE: Be careful of the bearing installati

Page 2911 of 4087

LEXUS SC400 1991 Service Repair Manual (b) Using SST and a press, press in a new bearing.SST 09201±41020 Magnetic Switch 1. PERFORM PULL±IN COIL OPEN CIRCUIT TESTUsing an ohmmeter, check that there is continuity between terminals 50 a

Page 2912 of 4087

LEXUS SC400 1991 Service Repair Manual ASSEMBLY OF STARTER (See Components on page ST±15) HINT: Use high±temperature grease to lubricate the bearings and gears when assembling the starter. 1. PLACE ARMATURE INTO FIELD FRAME Apply greas
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