Pages 6–11 (6 pages)

Starting System

From the 1943 United Motors War-Time Service Handbook

Battery care and cranking motor repair under wartime rules. It gives electrolyte level and specific gravity checks (keep above 1.225), cell voltage testing under cranking load, battery cable and ground strap repair by soldering new terminals, a simple lights-on electrical check of the cranking motor, solenoid testing, commutator cleaning and undercutting, brush and bushing replacement, the cranking motor drive and the starting switch voltage-drop test.

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What this section covers

  • Battery electrolyte level and specific gravity
  • Cell voltage test under cranking load
  • Battery cable, connection and ground strap repair
  • Cranking motor electrical check and solenoid test
  • Commutator cleaning, burned bars and brushes
  • Cranking motor bushings, drive and starting switch
Year
1943
Make
General Motors
Vehicle
Brakes, Components and Systems, Electrical and Instruments, Passenger Cars, Radios
Type
Service Manual
Models
All makes of cars in wartime service (not model-specific)
Pages
70

What’s inside

Handbook

  1. Title Page, Foreword and ContentsCover and title page, a dedication to the mechanics maintaining the nation's largest transportation system, a foreword on wartime driving conditions and repairing instead of replacing, and the alphabetical contents list.pp. 1–5
  2. Starting Systempp. 6–11
  3. Ignition Systempp. 12–19
  4. Charging Circuitpp. 20–27
  5. Fuel SystemPreliminary fuel supply checks, fuel pump valve and diaphragm service with a cut-open view of the pump, the vacuum section of combination pumps (wiper action, oil smoke), and the carburetor float level check.pp. 28–30
  6. Cooling SystemFinding and repairing radiator, gasket and water pump leaks, and curing overheating: fan belt, rust and scale flushing, hoses, thermostat testing, ignition timing, dragging brakes and tire pressure.pp. 31–33
  7. Lightingpp. 34–37
  8. Gaugespp. 38–45
  9. Bearingspp. 46–49
  10. Shock AbsorbersShock absorber noise checks, locating an inoperative unit by bouncing the car, wear and fluid leakage checks, and refilling arm-and-piston, Knee-Action double arm and tubular (airplane) type absorbers.pp. 50–52
  11. Brakespp. 53–63
  12. Radiopp. 64–68
  13. United Motors LinesList of United Motors product lines, from Delco batteries, radios and shock absorbers to AC fuel pumps, Harrison radiators, Guide lamps, Klaxon horns and Hyatt and New Departure bearings.pp. 69–70

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