Chevrolet 1977 10 Series, Repair Manual, Page: 270 / 468

(200)7A-34
OVERHAUL MANUAL
FRONT U N IT END PLAY CHART
THICKNESS ID E N T IFIC A TIO N
Number and/or Color
1.66-1.77mm (0.065' -0.070” ) 1
1.79-1.90mm (0.070' -0.075") 2
1.92-2.03mm (0.076' -0.080” ) 3 Black
2.05-2.16mm
(0.081' -0.085")
4 Light Green
2.18-2.29mm (0.086' -0.090” ) 5
Scarlet
2.31-2.42mm (0.091' -0.095")
6
Purple
2.44-2.55mm (0.096' -0.100” ) 7 Cocoa Brown
2.57-2.68mm (0.101' -0.106") 8 Orange
2.70-2.81 mm (0.106' -0.111") 9 Yellow
2.83-2.94mm (0.111' -0.116") 10 Light Blue
2.96-3.07mm (0.117' -0.121") 11
3.09-3.20mm (0.122' -0.126")
12
Fig. 7A-1 4 2 A - l n s t a l l i n g G o v e rn o r and Co ver A s s e m b ly
Fig. 7 A - 1 4 0 A - F r o n t U n it End Play W a s h e r T h ic kn e s s C h a rt
play within specifications, select proper washer from
Fig. 7A-140A.
7. Remove front unit end play checking tools.
8. Install remaining pum p to case bolt and new washer,
torquing bolt to 20.0-27.0 N -m (15-20 ft. lbs.).
9. Remove J-25013-5 and J-25013-1 from rear end of
transmission (Fig. 7A-141A).
10. Turn transmission to horizontal position, oil pan
side up.
EXTERNAL PARTS
Governor Assembly
Inspection
1. Inspect governor cover for damage, scored or worn
bore, or plugged oil passage.
2. Wash in cleaning solvent and blow out oil passage.
3. Inspect governor driven gear for nicks or damage.
4. Inspect governor shaft seal ring for cuts, damage and
free fit in groove.
5. Inspect for free operation of governor weights.
6. Inspect for damaged, mispositioned, or tilted
springs. (Some governors use one spring, and some
governors use two springs.)
7. Inspect for presence of 2 check balls.
8. Inspect shaft for damage.
9. Inspect governor washer for damage.
10. If damaged, cut seal ring off governor shaft.
CAUTION: Do not damage seal ring when
removing seal.
Installation
1. If removed, install new seal ring on shaft and place
seal ring end into governor cover to size seal; lubricate with
petrolatum .
2. Lubricate with petrolaturm and install 2 new seal
rings on governor cover.
C A UTI0 N
:
The governor cover seal rings m ust be
well lubricated with petrolatum to prevent
damage or cutting o f the rings. Also, make sure
2 check balls are in the governor before
installation.
3. Install governor assebmly, seal ring end first, into
cover. ,
CAUTION: Do not use any type o f hammer to
install governor assembly and cover into case.
Damage to case, governor or cover could result.
4. Install governor and cover assembly, aligning
governor shaft with shaft hole in case (Fig. 7A-142A).
R otate governor and cover assembly and output shaft
slightly. The governor cover fits tight in the bore the last
1.5mm (1/16").
G
o v e r n o r c o v e r
GOVERNO R TO
CASE WASHER
GOVERNOR
ASSEMBLY
0 ” RING SEALS
J-25013-5
J-25013-1
IN T E R M E D IA T E BA N D
A N C H O R PIN
Fig. 7A - 141 A—Installing Tools on Rear End of Case Fig. 7 A - 1 4 3 A -ln s ta llin g Intermediate Band Anchor Pin