GMC T Series 1994 Repair Manual page 653

A RECESSED FACE
B NOTCHES POINT UPWARD AS SHOWN
C LIPPED EDGE
642 FORWARD SPRAG ASSEMBLY
644 RACE, FORWARD CLUTCH (OUTER)
Figure 66 Sprag Assem bly Procedure
A PUSH IN AND TURN COUNTERCLOCKWISE TO INSTALL
641 RETAINER AND RACE ASSEMBLY, SPRAG
642 FORWARD SPRAG ASSEMBLY
643 RETAINER RINGS, SPRAG ASSEMBLY
644 RACE, FORWARD CLUTCH (OUTER)
Figure 67 Sprag Race and Retainer Assembly
Procedure
|-y-| Assemble
Forward clutch sprag assembly into the input
clutch housing.
Inspect
Figures 69 and 70
• Forward (649) and 3-4 clutch plates (654) for:
• Forward (650) and 3-4 clutch backing plates
RH0161-4L60-E
(655) for:
• Forward clutch apply plate (646) and spacer
plate (647) for:
RH0162-4L60-E
ALIGN WIDE NOTCHES
TO CASE LUGS
600 SPRING ASM., 3-4 CLUTCH BOOST (5)
- Index the overrun clutch hub into the
overrun clutch plates.
- C o m p o sitio n p la te d am ag ed ta n g s,
delamination, or wear.
- Steel plate damaged tangs, wear, or heat
damage.
- Flatness.
- Surface finish damage.
- Burrs or nicks.
- Flatness.
- Surface finish damage.
- Burrs or nicks.
FORWARD CLUTCH PACK
600
RH0164-4L60-E