Chevrolet 10 Series 1970, Service Manual

Page: 520 / 671

STEERING 9-12
F ig . 1 8 - 4 0 - 6 0 Series S teering C olum n Assem bly (T y p ic a l)
1.
S teering Shaft
10. Dust Seal
19. Turn S ig n a l S w itch
2 . Dash Panel Seal 11.
C la m p Bolt 20. U pper Bearing R e ta in in g Ring
3 . M ast J a c k e t
12. C lam p 21 . S haft U ppe r Bearing
4 . Toe Pan C o v e r
13.
Lockw asher 22 . Turn S ignal S w itc h C o n ta c t S upport
5.
Toe Pan Seal 14.
N u t 23 . Turn S ignal Housing
6. Low er S haft Bearing
15.
S teering S haft N u t 24. Turn S ig n a l Lever Screw
7 . F e lt W asher
16.
Lockw asher 25. Turn S ignal Lever
8 . Bearing Seat
17. C a n c e llin g Cam
9. Spring
18.
Turn S ignal S w itc h Screw
dim ension shown in F igu re 16. Tighten clamp in
position.
2. F ro m the p assen ger side of the fir e w a ll, ca refu lly
in sert the lo w e r end o f the m ast jacket through the
fir e w a ll opening, guiding the steerin g coupling onto
the steerin g g e a r w orm shaft.
3. P o sitio n and attach the lo w e r clamp mounting bracket
to the fir e w a ll. Locate the mast jacket protru sions
against the fir e w a ll brack et while at the sam e tim e,
aligning protru sion in brake and clutch pedal support
with index slot in m ast jacket, as shown in F igu re 16
and in stall clamp.
NOTE: The fir e w a ll bracket must not co v e r
the protru sions on the m ast jacket.
4. In sta ll the m ast jacket to dash clamp bolts.
5. A fte r the assem bly is com pleted, and a ll bolts are
p ro p e rly torqued, the dim ension between the steerin g
shaft lo w e r tube and interm ediate coupling must be
maintained at 6.38 to 6.78 inches. The ra g joint to
steerin g shaft flange clearan ce should be .250" to
.375".
NOTE: If plastic sp acers (fig. 10) w ere used
on the rag joint locking pins, rem o ve the spacers
a fte r a ll bolts have been p ro p e rly torqued*.
NOTE: The steerin g coupling to steerin g gea r
fasten er is an im portant attaching part in that it
could a ffect the p erform an ce of v ita l components
and system s, and/or could resu lt in m ajor r e ­
p a ir expense. It must be rep laced with one of
the sam e part number o r with an equivalent part
if replacem ent becom es n ecessary. Do not use
a replacem en t part of le s s e r quality o r substi­
tute design. Torque values must be used as
s p ecified during rea ssem b ly to assure prop er
retention o f this part.
6. On 3 - speed and automatic tran sm ission m odels,
connect tran sm ission shift linkage.
7. In stall seal at fire w a ll.
8. Connect d irection al signal w irin g harness.
9. In stall steerin g wheel as outlined under "S teerin g
W h eel—In stallation ."
10. Connect battery ground cable.
CHEVROLET TRUCK SERVICE MANUAL