Chevrolet 70 1969 Series, Shop Manual

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STEERING SYSTEM 9A-8
Figure 10— Steering Linkage (TM 80) (Typical)
TOE-IN A D J U S T M E N T
1. Loosen clamp bolts at each tie rod end.
2. Using a pipe wrench, turn tie rod center
tube as required to set toe-in to dimension given
in "F R O N T EN D A L I G N M E N T " (SEC. 3A).
TIE R O D R E M O V A L A N D DISASSEM BLY
N O T E : Key numbers in text refer to figure 9„
1. Remove cotter pins and nuts (5) from tie
rod end studs, support steering arm to prevent
bending; then drive tie rod end tapered stud (6) out
of steering arms. Remove dust cork spring (3)
dust cork shield (8), dust cork (7), and dust cork
washer (2).
2. Loosen clamp bolts; then remove each tie
rod socket end assembly from tie rod tube (11).
3. Pry out retaining lock ring (15); then re­
move retaining washer (16), seat spring (17), spring
seat (18), grease seal (14), stud (6), and stud bear­
ing (9).
INSPECTION
Clean all tie rod parts; then inspect for wear
and other damage. Discard worn parts and replace
springs if found to be weak.
A S S E M B L Y A N D IN S T A L L A T IO N (Fig. 9)
1. Lubricate tie rod end parts with lubricant
specified in LU BR ICA TION (SEC. 0) before as­
sembling.
2. Position stud bearing (9) in end socket.
3. Install stud (6), place grease seal (14) on
spring seat (18), then install spring seat.
4. Position seat spring (17) and retaining
washer (16), then install lock ring (15).
5. Install tie rod socket ends on tube, thread­
ing each end the same number of turns on tube,
then install clamp bolts but do not tighten clamp
bolt nuts at this time.
6 . Install dust cork washer (2), dust cork (7),
dust cork shield (8), and dust cork spring (3) on
tapered stud in order listed.
7. Make certain the stud holes in steering
arms, and stud nuts are clean and dry; then posi­
tion tie rod assembly on steering arms. Install tie
rod stud nuts (5). Tighten stud nuts to torque given
in "Specifications" at end of this section; then in­
stall cotter pin.
8 . Adjust toe-in as described in "F R O N T
E N D A L I G N M E N T ” (SEC. 3A).
IDLER LINK
(SERIES TM80)
On Series T M 80 an idler link is used to
connect Pitman arm to idler lever.
R E M O V A L (Fig. 10)
1. Remove cotter pin and nut attaching the
idler link to Pitman arm.
2. Remove cotter pin and nut attaching idler
link to idler lever.
3. Using a hammer, tap idler link loose from
Pitman arm and idler lever.
N O T E : The idler link, if worn or damaged,
must be replaced as a complete assembly. Parts
are not furnished separately.
IN S T A L L A T IO N (Fig. 10)
1. Position idler link studs in holes in Pitman
arm and idler lever.
2. Install stud nuts and tighten to torque listed
CHEVROLET SERIES 70-80 H EAVY DUTY TRUCK SH O P M A N U A L