Section II · Pages 8–11 (4 pages)

Operating Principles

From the Borg-Warner Warner Automatic Overdrive Instruction Manual (R-10 and R-11)

Year
1949
Make
Borg-Warner
Vehicle
Components and Systems, Overdrive, Transmissions
Type
Service Manual
Models
Warner R-10 and R-11 overdrive units (post-war), Ford to Willys
Pages
20

How the unit works. The mechanical half explains free-wheeling direct drive through the roller clutch, overdrive with the sun gear held by the pawl and blocker ring, driver-controlled downshift (kickdown) and conventional lockup drive. The electrical half covers the governor, relay, solenoid, throttle switch and lockout switch circuit.

What this section covers

  • Free-wheeling direct drive
  • Overdrive engagement
  • Kickdown
  • Conventional drive
  • Electrical control circuit
Read from page 8
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