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However, frame will not raise or lower until
load is increased or decreased to actuate
height control valve .
If either of the height control valves does
not function properly with the lever correctly
AIR COMPRESSOR FILTER
REPLACEMENT
The air filter on the compressor should be
cleaned or replaced every six months or 6,000
miles .
Remove tubing at back of each housing
assembly.
Remove filter retainer and pull
intake assembly off and carefully take filter
out from behind inside retainer.
Wash filter
with soap and
water, and dry completely
before replacing .
WET TANK
Condensation should be drained at least once
a month .
To drain
tank properly, leave
LOCATION
Center mounting bracket to frame rail nuts
(4) (nut torque)
Center mounting bracket to crossmember
'(2) (nut torque)
Height control valve mounting bolt
(bolt torque)
Height control valve link
Link to arm nut
Link to control arm nut
Control arm lock nut
J-25520
PERIODIC MAINTENANCE
TORQUE SPECIFICATIONS
nuts
SPECIAL TOOLS
Air Line Crimp Tool
REAR SUSPENSION 4- 21
adjusted, check for restricted air lines.
If
valve still does not hold frame at normal ride
height with lever properly adjusted, and with
no restirction in air line, valve should be
overhauled or replaced with a new or rebuilt
unit .
Schrader valve drain cock open until all air
escapes and draining stops .
Wet tank mounting bolts and brackets should
be checked at regular intervals for looseness .
Tighten
if necessary .
Wet
tank may be
cleaned inside using steam or hot water .
If
corrosion or other damage has weakened tank
it must be replaced .
LUBRICATION
Details on lubrication of rear suspension
components are covered in Section 0 of Main-
tenance Manual X-7525 .
TORQUE
65-85 lb .-ft .
50-60 ft .-lbs.
80-120 in.-lbs .
69-90 ft.-lbs.
60-90 ft.-lbs .
15-20 ft .-lbs.
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