Honda Prelude 1993 Service Manual page 744

Steering Pump
Flow Control Valve Inspection and Replacement (cont'd)
Attach a hose to the end of the flow control valve
as shown.
FLOW CONTROL VALVE
Submerge the llow control valve in a containet of
power steering fluid or solvent. and blow in the
hose. lf air bubbles leak through the relief valve.
reDlace or repair it as Jollows.
AIR PRESSURE
No mor6 than 20 kPa
{0.2 kg/cm2, 0.3 plll
1 7 - 98
22.1 x 1.9 mm O-RING
5.8 x 1.9 mm O'RING
7. ClamD the bottom end of the {low control valve in a
vise with sott jaws.
8. Unscrew the seal in the top end of the tlow control
valve, and remove anv shims, the relief check ball,
relief valve and relief valve spring.
RELIEF CHECK BALL
RELIEF VALVE
11.3 kg-m, 9 lb-ft)
Clamp this end in
a v i s g w i t h s o t t j a w s .
9. Clean all the parts in solvent, dry them olf then
reassemble and retest the flow control valve.
NOTE: lf necessary. relief pressure is adjusted at
the factory by adding shims under the check ball
seat. It you found shims in your valve, be sure you
reinstall as many as You took out.
'lO. lnstallthe tlow control valve in the reverse order of
removal.
NOTE:
a Coat the tlow control valve with power steering
fluid, then install it and sPring.
a When replacing the flow control valve, be sur€
the replacement flow control valve has the same
identificalion letter as the original flow control
FLANGE BOLT
1 1 N . m
(l .1 kg-m, a lb-ft|
|
"*,",.,
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SPPING
VALVE
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contnoL vlle clp
a-fuh,
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