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20
SERVICE
7. Install the porting block into the end of the automatic
valve body with proper roll pin alignment.
8. Place the fl ow sleeve assembly in a bench vise, being
careful not to overtighten or distort the tube and install the
accumulator valve block. Rotate the fl ow sleeve so that the
motor roll pin alignment hole will locate the motor control
valve lever under the handle on the valve lever side.
9. Slide the motor assembly over the piston. Align the roll
pin in the motor control block with the corresponding hole
in the fl ow sleeve (the hole opposite the notch in the end of
the fl ow sleeve). Tap on the end of the motor assembly until
it fully engages with the fl ow sleeve tube.
10. Install the spring, valve spool and bushing (with its
wiper ring facing outward) in the bore of the accumulator
valve block. The bushing should project from the accumula-
tor valve block approximately 0.200 inch/5 mm.
11. Apply a light coating of WD40™ lubricant to the accu-
mulator diaphragm and install in the accumulator bore.
12. Install the handle assembly.
13. Install the two side rods and two 1/2-13 x 5-1/2 inch
capscrews.
14. Tighten alternate side rods in 15 ft lbs/20 Nm incre-
ments to 100 ft lbs/135 Nm. Tighten alternate capscrews in
15 ft lbs/20 Nm increments to 75 ft lbs/100 Nm.
15. Charge the accumulator with nitrogen to 600 psi/41
bar. It may be necessary to charge 50-75 psi/3-5 bar high
to overcome the pressure drop through the charging valve.
Refer to the Charging instructions given in this manual.
16. Install the charge valve cap.
17. Install the pigtail hose assemblies.