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Road Test

  1. Connect tachometer to engine. Place selector lever in "Drive" range and accelerate vehicle from standstill at minimum throttle opening.
  2. The 1-2 and 2-3 upshifts should occur as vehicle reaches correct speed. As vehicle speed decreases, 3-2 and 2-1 downshifts and engine braking effect should be noticed. See SHIFT POINT SPECIFICATIONS .
    SHIFT POINT SPECIFICATIONS

    Application Speed (MPH)
    Upshift Minimum
    1-2 15
    2-3 30
    Detent Downshift Minimum
    3-2 68-73
    2-1 28-32
    Upshift Maximum
    1-2 44-48
    2-3 77-83
  3. Stop vehicle and place selector lever in "2" (Intermediate) range. Accelerate from standstill. Upshift 1-2 should occur at all throttle openings (shift point will vary with throttle opening). The 2-3 upshift should occur. Stop vehicle and place selector lever in "1" (Low) range. Accelerate from standstill. No upshift should occur.
  4. With selector lever in Drive range and vehicle speed at 35 MPH, move selector lever to "2" (Intermediate) range. Transmission should downshift to 2nd gear. Increase in engine RPM and engine braking effect should be noticed.
  5. With selector lever in "2" (Intermediate) range and vehicle speed at 25-35 MPH (not over 40 MPH), move selector lever to "1" (Low) range. Throttle must be in closed position. Transmission should downshift to 1st gear. Increase in engine RPM and engine braking effect should be noticed. Stop vehicle and place selector lever in Reverse. Check for reverse operation.
CLUTCH & BAND APPLICATIONS

Lever Position Elements In Use
"D" Drive
First Forward Clutch & Low Roller Clutch
Second Forward Clutch, Intermediate Clutch & Intermediate Clutch Sprag
Third Forward Clutch, Direct Clutch & Intermediate Clutch
"2" Intermediate
First Forward Clutch & Low Roller Clutch
Second Forward Clutch, Front Band, Intermediate Clutch & Intermediate Clutch Sprag
"1" Low
First Forward Clutch, Low Roller Clutch & Rear Band
Second Forward Clutch, Front Band, Intermediate Clutch & Intermediate Clutch Sprag
Reverse Direct Clutch & Rear Band
Neutral Or Park All Clutches And Bands Released Or Ineffective