BENDIX INLET REG VALVE COMP Handbuch - Seite 6

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CLEANING & INSPECTION
1. Using mineral spirits, clean and thoroughly dry all metal
parts with the EXCEPTION of the VALVE AND PISTON
ASSEMBLY. The valve and piston assembly contain
o-rings, therefore, wipe the exterior of the exposed areas
avoiding the bore in which the piston slides since a
special high temperature lubricant is used on that
surface.
2. Using a thin wire make certain that the vent holes in the
IRV
valve body and valve and piston assembly are open.
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3. Check all metal parts for severe corrosion, pitting and
cracks. Pay particular attention to the valve springs and
valve surfaces. Superficial corrosion and shallow pitting
on the exterior of the cap nut and body is acceptable.
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BW1552 © 2004 Bendix Commercial Vehicle Systems LLC All rights reserved. 3/2004 Printed in U.S.A.
ASSEMBLY
The appropriate lubricant is packaged in Bendix maintenance
kits and should be used as directed in the kit instruction
sheet. Refer to Figure 9 throughout assembly.
1. Lubricate the interior bore of the body and the o-ring
grooves of the valve and piston assembly.
2. Lubricate and install the large and small diameter o-rings
on the valve and piston assembly.
3. Carefully insert the valve and piston assembly into the
body, making certain that it is completely seated and
the valve plate remains visible.
4. Carefully work the small diameter o-ring, which serves
as the valve seat, into the cap nut groove. When properly
installed, this o-ring is evenly retained by the rolled over
crimped edges of the cap nut groove. IMPORTANT: Do
not Lubricate this o-ring or the cap nut groove in
which it is installed.
5. Lubricate the cap nut groove for the large diameter
o-ring. Lubricate, then install the large diameter o-ring
on the cap nut.
6. Install the spacer then the spring in the valve body.
7. Install the cap nut in the body and torque it to between
58 and 72 pound feet.
8. Install the safety valve and valve spring in the IRV
body. Using a 3/16 inch Allen wrench, install the exhaust
plug.
9. Perform the operation and leakage tests before placing
the valve in service.
valve
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