BENDIX MV-3 DASH CONTROL MODULE Manuale - Pagina 4

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BENDIX MV-3 DASH CONTROL MODULE Manuale
9. Components with stripped threads or damaged
parts should be replaced rather than repaired. Do
not attempt repairs requiring machining or welding
unless specifically stated and approved by the
vehicle and component manufacturer.
10. Prior to returning the vehicle to service, make
certain all components and systems are restored
to their proper operating condition.
16
14
18
19
15
21
20
12
17
13
24
23
22
FIGURE 7 - MV-3
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DASH CONTROL MODULE PARTS
EXPLODED VIEW
4
1
2
4
3
16
14
5
18
19
6
7
11
15
8
9
21
10
20
12
VALVE BODY
CAUTION: Note the orientation of the buttons in relation to
the valve to be sure they will be replaced properly.
DISASSEMBLY OF THE MV-3
1. Remove the red (1) and yellow (2) buttons from the stems
of the spools on the MV-3
counterclockwise direction.
2. Remove and save the mounting hardware from the four
corners of the cover plate (3).
3. If removing the valve from the vehicle, remove and identify
the air lines from the back of the valve.
4. Remove the six Phillips head screws (4) from the cover
plate (3) and carefully remove the cover plate (3) from
the valve.
5. Remove the cap (5) and o-ring (6) from the bore of the
tripper valve. Remove the piston (7), spring (8), spring (9)
and check valve (10). These parts will all fall out of the
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cavity of the MV-3
Remove the o-ring (11) from its groove on the piston (7).
6. Remove the two main spools from the body of the MV-3
valve by grasping the stem and pulling firmly. Remove
the two springs (12) from the bottom of each spool cavity.
7. Pull the guide spool (14) over the threaded end of one of
the plungers (15). Remove the o-ring (16) from the guide
spool (14). Remove o-rings (18, 19 & 20) and the exhaust
seal (21) from the plunger.
8. Repeat Step 7 on the remaining spool assembly.
9. Remove the retaining ring (22) from the cavity of the
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MV-3
valve body that contains the dual circuit supply
valve.
10. Pull the check valve seat assembly (23) from the valve.
Remove the two o-rings (24 and 13) from the check valve
assembly. Remove the check valve (17) from the MV-3
valve body.
CLEANING & INSPECTION
The non-metallic components which comprise most of the
parts of the MV-3
™
valve should not be immersed in any
solvent type cleaner. Old lubricant should be wiped out with
a clean dry cloth.
If any visible damage to the body or the spools can be
detected, the complete unit must be replaced.

ASSEMBLY

DUAL CIRCUIT SUPPLY VALVE
1. Lubricate all o-rings and bores with silicone lubricant.
Bendix Pc. No. 291126 or Dow Corning 55-M.
2. Place the check valve (17) into its seat in the body with
its flat surface facing upward. If necessary, reach into
the body to make sure the valve is seated evenly in the
bore.
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VALVE
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valve by turning in a
valve by tilting the body forward.
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