Chevrolet 30 Series 1967 Service Manual page 413

2. Raise transmission into position aligning main drive
gear shaft with clutch disc hub. Guide pins screws
into transmission mounting bolt holes in clutch hous­
ing will help keep transmission in alignment with
clutch during installation. Move transmission toward
clutch housing, turning main drive gear as necessary
to allow splines of drive gear to engage splines in
clutch disc hub.
3. Remove guide pins if used; then install transmission
to clutch housing bolts and lock washers.
bolts securely.
4. Connect hand brake (if used) at transmission as de­
scribed in "HAND BRAKE" (SEC. 5).
5. Connect propeller shaft to output yoke as described
in PROPELLER SHAFT (SEC. 4).
. Connect speedometer cable to driven gear adapter at
6
rear of transmission. Tighten connector firmly.
7. On transmissions equipped with remote controls,
connect control rods to levers.
mission Shift Control Linkage" described earlier for
adjustment procedures.
. If lubricant was removed from transmission, refill
8
with proper lubricant as described in LUBRICATION
(SEC. 0).
9. Install cover in cab floor if previously removed.
10. "Road Test" vehicle for operation in all speeds.
TRANSMISSION COVER DISASSEMBLY
Key Numbers in Text Refer to Fig. 2K
1. Using a #2 easy out as shown in Figure 3K, remove
Fig . 3K - Removing Shift Fork Lock (Roll) Pin
1. Transmission C over
2.
3. 3rd & 4th Shift Fork
4. Reverse Shift Lug
5. 3rd & 4th Shift Rai 1
6. Reverse Shift Rail
Tighten
Refer to "Trans­
7.
1st & 2nd Shift Fork
8. Reverse Shift Fork
9. W e lc h (Expansion) Plugs
10. Lock Pins
1st & 2nd Shift Lug
11.
12. 1st & 2nd Shift Rail
CLUTCHES AND TRANSMISSIONS 7-27
roll pin (24) retaining 3rd and 4th shift fork (23) to
3rd and 4th shift rail (17).
2. Remove 3rd and 4th shift rail (17) and shift fork (23)}
driving shift rail out through welch plug opening in
cover forcing out welch plug.
3. Remove detent ball (20) and spring (19).
4. Using #2 easy out (fig. 3K), remove roll pin (25)
from st and nd shift lug (26).
1 2
5. With #2 easy out (fig. 3K), remove roll pin (5) from
st and nd shift fork (
1 2
. Using hammer and drift, drive 1st and 2nd shift rail
6
(27) out of cover (2) forcing out welch plug. Remove
shift rail (27), 1st and 2nd shift lug (26), and 1st and
nd shift fork ( ).
2 6
7. Remove detent ball (28) and spring (29).
. Using #2 easy out, remove roll pins
8
reverse shift lug assembly (12) and shift fork (7).
9. With hammer and drift, drive reverse shift rail (9)
out of cover (2) forcing out welch plug. Remove re­
verse shift lug assembly (
fork (7).
10. Remove detent ball (13) and spring (14). Remove two
shift rail interlock plungers (15 and 18) and interlock
pin (16) from cover ( ).
2
11. Using a screw driver, remove retaining ring (11)
from reverse shift lug assembly (12).
washer, plunger ( ), and spring (
2 1
shift lug ( ).
1 2
Transmission Cover Assembly
Key Numbers in Text Refer to Fig. 2K
1. Position detent spring (29) and ball (28) in bore of
cover ( ).
2
2. Partially insert 1st and 2nd speed shift rail (27) into
bore of cover (2). Position 1st and 2nd speed shift
fork ( ) and st and
6 1
rail (27).
3. Push 1st and 2nd speed shift rail (27) the remaining
distance (to neutral position) into cover and install
new lock pins (5 and 25).
NOTE:
Tapered end of pins go in first.
4. Install reverse shift plunger spring (22) and lug
plunger (21) in bore of reverse shift lug (12). Com­
press plunger and install retaining clip (
5. Position detent spring (14) and ball (13) in bore of
cover ( ).
2
. Partially insert reverse shift rail (9) into bore of
6
cover (2). Position reverse shift fork (7) and reverse
shift lug (12) on rail (9).
7. Push reverse shift rail (9) the remaining distance (to
neutral position) into cover (
pins and ).
( 8 1 0
NOTE:
Tapered end of pins go in first.
. Install two rail interlock plungers (15 and 18) in
8
bores of cover (2) also (10) Figure 5K.
9. Position rail interlock pin (16) in 3rd and 4th shift
rail (17).
10. Install detent spring (19) and ball (20) in bore of
cover ( ).
2
11. Partially insert 3rd and 4th shift rail (17) in bore of
cover (2) and position 3rd and 4th shift form (23) on
rail (17).
).
6
and 10) from
( 8
), and reverse shift
1 2
Remove
) from reverse
2 2
nd speed shift lug (26) on
2
).
1 1
) and install new lock
2
CHEVROLET TRUCK SERVICE MANUAL