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SOLENOID VALVES) REMOVAL
1. Release air from system at Schrader
valve on wet tank .
2. Disconnect electrical leads from solenoid
at connector .
3. Identify air lines and ports. Disconnect
air lines to solenoid valve .
4. Remove solenoid .
SOLENOID VALVE OVERHAUL
Disconnect air lines
from solenoid and
remove solenoids from manifold (or bracket) .
Solenoid valve shown in figure 12 can be
disassembled
for
cleaning
and
inspection .
Plunger, spring and seals are available for
service replacement.
DISASSEMBLY
l. Remove adapter and seal from sleeve
assembly, then remove sleeve nut which holds
housing and coil assembly to sleeve assembly .
2 . Remove name plate, housing, and coil
assembly by sliding off lower end of sleeve
assembly . Remove washer .
3. Using spanner wrench (SKINNER # VD-
233, or equivalent) remove sleeve, plunger and
spring from valve body .
(See figure 18).
4. Separate plunger . and spring from sleeve
and remove nylon seal from valve body .
INSPECTION
l . Seals should be discarded and new seals
installed when assembling valve.
2. Inspect plunger inserts (both ends) for
cuts, nicks,
and depressions
caused
from
hitting valve seats.
Replace if necessary.
COMPONENT OVERHAUL
REAR SUSPENSION 4- 1 7
ELECTRO-LEVEL CONTROL
PANEL REMOVAL
1. Remove four screws securing control
panel to lower dash panel.
2 . Disconnect electrical leads at switches.
3. Remove switches from control panel .
Overhaul procedures for air compressor and height control valve are given in
REAR SUSPENSION (SEC. 4) of Maintenance Manual X-7525 .
Wear must be significant before necessary to
replace .
3. Replace spring if broken .
If plunger is
replaced, spring should be replaced at the
same time . Plunger and spring are included in
a repair kit .
4 . Visually
inspect
valve
threads
for
damage and clean if necessary.
ASSEMBLY
NOTE :
DO NOT use any lubricant during
assembly of valve components .
Reverse
the
disassembly
procedure
for
reassembly of valve.
DO NOT tighten ex-
cessively.
Figure 18-Removing or Replacing Sleeve with Special Tool
(Spanner Wrench-Skinner #V0233)
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