Spicer Drive Axles Service Manual Wheel Reduction Drive Axles (EA-50) - Manual (Page 23)

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RING GEAR AND PINION RING GEAR AND PINION RING GEAR AND PINION RING GEAR AND PINION RING GEAR AND PINION
TOOTH CONT
TOOTH CONT TOOTH CONT TOOTH CONT TOOTH CONTACT P ACT P ACT P ACT P ACT PA A A A ATTERN TTERN TTERN TTERN TTERN
LENGTHWISE LENGTHWISE LENGTHWISE LENGTHWISE LENGTHWISE
BEARING AR BEARING AR BEARING AR BEARING AR BEARING ARC C C C C
T T T T TOE OE OE OE OE
HEEL HEEL HEEL HEEL HEEL
The following procedures are to be used to establish
proper gear tooth pattern after assembly of the carrier is
complete.
NO NO NO NO NOTE: If ma TE: If ma TE: If ma TE: If ma TE: If matched se tched se tched se tched se tched settttts ar s ar s ar s ar s are being r e being r e being r e being r e being reused, mea eused, mea eused, mea eused, mea eused, measur sur sur sur sureeeee
and r and r and r and r and recor ecor ecor ecor ecord backla d backla d backla d backla d backlash befor sh befor sh befor sh befor sh before disa e disa e disa e disa e disassembl ssembl ssembl ssembl ssemblyyyyy, and r , and r , and r , and r , and rea ea ea ea eas- s- s- s- s-
semble t semble t semble t semble t semble to the same backla o the same backla o the same backla o the same backla o the same backlash. This will ma sh. This will ma sh. This will ma sh. This will ma sh. This will match ring tch ring tch ring tch ring tch ring
and pinion gear and pinion gear and pinion gear and pinion gear and pinion gears t s t s t s t s to the e o the e o the e o the e o the est st st st stablished w ablished w ablished w ablished w ablished wear pa ear pa ear pa ear pa ear patttttttttterns. erns. erns. erns. erns.
Hand r Hand r Hand r Hand r Hand rolled pa olled pa olled pa olled pa olled patttttttttterns will co erns will co erns will co erns will co erns will covvvvver le er le er le er le er less ar ss ar ss ar ss ar ss area than the ea than the ea than the ea than the ea than the
gear pa gear pa gear pa gear pa gear pattttttttttern e ern e ern e ern e ern est st st st stablished b ablished b ablished b ablished b ablished by pr y pr y pr y pr y preeeeevious service. vious service. vious service. vious service. vious service.
STEP 1. Paint 1/4 ring gear with marking compound on
both the drive and coast side.
STEP 2. Apply drag load to ring gear and rotate pinion
so that ring gear completes one revolution in
each direction.
CORRECT GEAR P CORRECT GEAR P CORRECT GEAR P CORRECT GEAR P CORRECT GEAR PA A A A ATTERNS TTERNS TTERNS TTERNS TTERNS
TOE TOE
DRIVE SIDE
(CONVEX)
COAST SIDE
(CONCAVE)
COAST SIDE
(CONCAVE)
DRIVE SIDE
(CONVEX)
HEA HEA HEA HEA HEAVIL VIL VIL VIL VILY L Y L Y L Y L Y LO O O O OADED ADED ADED ADED ADED LIGHTL LIGHTL LIGHTL LIGHTL LIGHTLY L Y L Y L Y L Y LO O O O OADED ADED ADED ADED ADED
HEEL HEEL HEEL HEEL
TOE
HEEL HEEL
COAST SIDE
(CONCAVE)
DRIVE SIDE
(CONVEX)
TOE
HEEL HEEL
COAST SIDE
(CONCAVE)
DRIVE SIDE
(CONVEX)
HEA HEA HEA HEA HEAVIL VIL VIL VIL VILY L Y L Y L Y L Y LO O O O OADED ADED ADED ADED ADED LIGHTL LIGHTL LIGHTL LIGHTL LIGHTLY L Y L Y L Y L Y LO O O O OADED ADED ADED ADED ADED
INCORRECT GEAR P INCORRECT GEAR P INCORRECT GEAR P INCORRECT GEAR P INCORRECT GEAR PA A A A ATTERNS TTERNS TTERNS TTERNS TTERNS
CO CO CO CO COAS AS AS AS AST SIDE T SIDE T SIDE T SIDE T SIDE
DRIVE SIDE DRIVE SIDE DRIVE SIDE DRIVE SIDE DRIVE SIDE
R RR R ROO OO OO OO OOT T T T T
T T T T TOP LAND OP LAND OP LAND OP LAND OP LAND
PR PR PR PR PROFILE OFILE OFILE OFILE OFILE