PREVOST LE MIRAGE XLII BUS SHELLS, Руководство по обслуживанию

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Section 16: SUSPENSION
PA1564
10
FIGURE 13: BELL CRANK
16045
5. Check for loose bearings by applying an up
and down load on bell crank or idler lever.
The lever is not supposed to move in the
vertical axis direction.
6. Align nut with cotter pin slot (tighten) and
install a new cotter pin.
NOTE
Bend cotter pin around the nut (Fig. 11). Do
not bend the cotter pin in the direction of the
cap, because it may interfere with the cap.
7. Install the cap.
8. Bell crank: Install drag link, tie rod and
relay rod as directed herein under each
specific subject.
9. Idler arm: Install hydraulic power cylinder,
tie rod and relay rod as directed herein
under each specific subject.
10. Adjust turning angle as previously directed
under paragraph " Turning Angle " and
check front end alignment as specified in
paragraph "4. Front End Alignment" of this
Section.
2.7 RELAY ROD
Relay rod ends are equipped with lubrication
fittings and should be lubricated as directed in
paragraph "2.10 Lubrication Fittings" in this
Secttion.
NOTE
The relay rod is crimped in place and it is not
possible to remove the ball joints.
2.7.1 Replacement
1. Remove cotter pins from bell crank and idler
arm end of relay rod. Loosen nuts flush with
end of studs.
2. Use a puller or place a sledge hammer
behind the adjacent part to absorb shocks.
Strike the studs with a brass hammer to
loosen end assemblies.
3. Remove stud nuts then remove studs.
4. Position new relay rod studs into bell crank
and idler arm then tap stud ends with a
brass hammer to seat tapered surfaces.
5. Install stud nuts. Tighten nuts to 150-200 lbf-
ft (203-271 Nm) torque. Align cotter pin slot
(tighten) and install a new cotter pin.
2.8 TIE RODS
Tie rod ends are connected to the bell crank and
left steering arm, and to the idler arm and right
steering arm. Each tie rod assembly consists of
three parts; a tube and two socket end
assemblies. The tie rod ends are threaded into
the tube and secured with clamp bolts. Right
and left hand threads are provided to ease toe-
in adjustment. Tie rod assemblies are inter-
changeable from the right to the left side of the
coach.
Tie rod end sockets require no maintenance
other than periodic lubrication and inspection to
see that ball studs are tight. Replace socket
ends when there is excessive up and down
motion, lost motion or end play at ball end of
stud.
1. Periodically check bolt nut for tightness.
2. Inspect tie rod for bent condition and inspect
tube for damaged threads. If tie rod is bent
or threads are damaged, replace the
assembly.
3. Lubricate tie rod end fittings as directed in
paragraph "2.10 Lubrication Fittings" in this
section.
2.8.1 Removal
1. Remove cotter pins and stud nuts which
attach tie rod socket ends to bell crank and
left steering arm (or idler arm) and right
steering arm.