GMC T Series 1994 Repair Manual page 656

3-4 BACKING PLATE SELECTION
BACKING PLATE
MODEL
TRAVEL
2.10mm - ,90mm
ALL
(.083" - .035")
HOUSING AND SHAFT ASSEMBLY, INPUT
621
PLATE ASSEMBLY, 3RD AND 4TH CLUTCH
654
655 PLATE, 3RD AND 4TH CLUTCH
BACKING (SEL.)
Figure 74 3-4 Backing Plate Selection Chart
Turbine Shaft Seals
F ig u re 7 6
Tools Required:
J 36418-1 Seal Installer
J 36418-2A Seal Sizer
Assemble
1. Install four turbine shaft oil seal rings (619)
using J-36418-1.
[ ^ 1 Adjust
• Adjust screw to obtain proper height.
2. U se J 3 6 4 1 8-2A to size the seals after
installation.
"BACKING
PLATE
Use Backing Plate
Which Gives Correct Travel
DIM. I.D.
5.88mm - 5.68mm
A
(.231 "-.224")
4.99mm - 4.76mm
B
(.196" - .187")
4.10mm - 3.90mm
C
(.161"- .154")
RH0169-4L60-E-R1