Chevrolet 10 Series 1970 Service Manual page 515

3. P la c e a second bushing and new cork washer on
cen ter c ro s s and retain with snap ring.
4. W ith cro s s installed in lo w e r yoke, install coupling
in veh icle by assem bling lo w e r yoke to upper yoke as
outlined in Steps 2 and 3.
5. A ssem b le coupling to steerin g gear worm shaft align­
ing m ark on w orm shaft with m ark on steerin g shaft.
6. In stall clam p bolt nut and washer and tighten.
NOTE: The steerin g shaft coupling fasten er is
an im portant attaching part in that it could a f­
fe c t the p erform a n ce of vita l components and
system s, and/or could resu lt in m ajor rep a ir
expense. It must be replaced with one of the
sam e part number o r with an equivalent part if
rep lacem en t becom es n ecessary.
replacem ent part of le s s e r quality o r substitute
design. Torqu e values must be used as specified
during rea ssem b ly to assure p ro p er retention of
this part.
7. On tilt cab m odels secu re flo o r pan seal plate to
flo o r pan.
Interm ediate Steering Shaft M odels W ith Splined
Slip Joint (Fig. 11)
Rem oval and Installation
R em ove and install
Coupling—U n iversa l Joint T y p e ."
Disassem bly
1. W ith shaft on bench straighten tangs on dust cap and
slid e yoke shaft out of yoke tube.
2. R em ove fe lt w asher, dust cap and plastic washer.
D isca rd fe lt washer.
3. On T ilt Cab m odels, rem ove toe panel seal and seal
plate fro m shaft.
Assem bly
1. On tilt cab m odels, in stall toe panel seal and seal
plate on yoke shaft.
2. P o s itio n dust cap, p la stic w asher, and new fe lt washer
on yoke shaft.
3. Align in g the a rro w on the yoke shaft with the a rrow
on the yoke tube, in s e rt yoke shaft into yoke tube.
4. Push p lastic w asher, fe lt washer and dust cap into
position, on end of yoke tube, and bend tangs of dust
cap down against yoke tube.
Steering Shaft Interm ediate Coupling ( C - K l0 -2 0 -3 0 )
D isassem bly—Figure 12
1. R em ove the lo w er shaft flange to fle x ib le coupling
bolts.
2. R em ove upper shaft to interm ediate coupling bolt and
rem o ve lo w e r shaft and coupling assem bly.
3. M ark c o v e r to shaft relationship.
and slid e c o v e r from shaft.
4. R em ove b earing blocks and tension spring fro m pivot
pin.
5. Clean g re a s e off pin and end of shaft.
tion m ark on pin on sam e side as cham fer in shaft.
6. Supporting shaft assem bly s ecu rely , with cham fer up,
p re s s pin out of shaft with arbor p ress.
NOTE: Do not d riv e pin out with ham mer.
T h is w ill cause sticky o r binding bearin gs when
reassem bled.
Do not use a
as outlined under "S te e rin g "
P r y o ff snap ring
Scribe lo ca ­
B E A R IN G
B LOCKS
LO W E R
| S N A P
S H AFT
a
r i n g
SEAL
C L A M P
T E N S IO N
S P R IN G
F i q . 1 2 — S t e e r i n q S h a f t I n t e r m e d i a t e C o u p l i n a
(C -K
7. Rem ove seal clamp and slide seal off end of shaft.
Assembly
1. Be sure a ll parts are fr e e of dirt.
steerin g shaft. With lip of seal against step in shaft,
clamp seal.
2. P r e s s pin back into shaft from cham fered side.
cate pin in shaft using scrib e m ark as re feren ce.
NOTE:
Pin must be centered within .012 in. o r
binding in the coupling w ill result.
3. Check centering of pin (fig. 13).
a. P la ce just enough 3/8" fla t washers on pin to p re ­
vent bearing block from bottom ing when installed.
F ig . 13—C h e c k in g C o u p lin g Pin C e n te rin g
STEERING 9-7
C O V E R
UPPER
SH AFT
N U T
1 0 - 2 0 - 3 0 )
Slide seal onto
CHEVROLET TRUCK SERVICE MANUAL
L o ­