This measurement will give you the transmis-
sion yoke Output Angle (A).
(6) Rotate propeller shaft 90 degrees and place
inclinometer on yoke bearing parallel to the shaft.
Center bubble in sight glass and record measure-
ment. This measurement can also be taken at the
rear end of the shaft.
This measurement will give you the Propeller
Shaft Angle (C).
(7) Rotate propeller shaft 90 degrees and place
inclinometer on companion flange yoke bearing par-
allel to the shaft. Center bubble in sight glass and
record measurement.
This measurement will give you the Pinion
Flange Input Angle (B).
(8) Subtract smaller figure from larger (C minus
A) to obtain Transmission Output Operating
Angle.
(9) Subtract smaller figure from larger (C minus
B) to obtain axle Input Operating Angle.
Refer to rules and example in (Fig. 4) for addi-
tional information.
RULES
• Good cancellation of U-joint operating angles
should be within 1degree.
• Operating angles should be less than 3 degrees.
• At least 1/2 of one degree continuous operating
(propeller shaft) angle.
TWO/THREE-PIECE PROPELLER SHAFT
The procedure to measure the propeller shaft
angles involved with a two/three-piece (Fig. 5) propel-
ler shaft is the same as those for a one-piece propel-
ler shaft.
Fig. 4 UNIVERSAL JOINT ANGLE EXAMPLE
1 - 4.9° Angle (C)
2 - 3.2° Angle (B)
3 - Input Yoke
4 - 3.0° Angle (A)
5 - Output Yoke
3 - 4 PROPELLER SHAFT VA
PROPELLER SHAFT (Continued)
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