ELECTRICAL 39 CONSTRUCTION: The Construction of the Starter Motor is as follows ARMATURE ASSEMBLY: Moulded commutator high speed operation two-part epoxy varnish impregnation for high fling resistance. Dynamically balanced Armature for less noise and longer bearing life. Welded joint for Armature conductors for enhanced thermal rating. FIXING BRACKET ASSEMBLY: Aluminum die casting with Sintered Bearing Bush offers longer bearing life. YOKE ASSEMBLY: Deep drawn yoke with Permanent magnet. DRIVE SHAFT & INTERNAL GEAR ASSEMBLY: 1. Gear shaft: Steel forged heat – treated shaft with helix to house the drive 2. Planetary Gear: Sintered gears with sintered bush bearing consistent dimensional control. 3. Internal Gear: Plastic gear (GF45) With Sintered Bearing, bearing for increased output. 4. Over running clutch sleeve: Extruded heat– treated steel helical spline for drive. BRUSH GEAR ASSEMBLY: Epoxy glass filled laminates for high temperature, Rivet less BG operation. SOLENOID SWITCH: Internal body and terminal cover moulding with built – in engagement spring.
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