AIRLESSCO 910E Manuel de service télécharger pdf (Page 20)

INLET VALVE (SEE FIG. 7 & 9)

1. Using the rod collar tool (189-211), screw the suction nut

(187-018), containing intake seat support (187-017), off

of the uid body (187-313).

2. Remove the inlet seat (187-065), O-ring (106-017), inlet

ball (187-020) and ball cage (187-016) with O-ring (106-018).

3. Clean all parts and inspect them for wear or damage,

replacing parts as needed. Old "O" rings should be replaced

with new ones.

NOTE: Inlet seat (187-065) is reversible.

4. Clean inside of uid body (187-313).

5. Reassemble the valve and screw it onto the uid body if

no further service is needed.

PISTON, OUTLET VALVE

(SEE FIG. 7 & 9)

1. Stop piston rod in middle of it's stroke. Remove retaining

rings (189-048).

2. Slip the sleeve (189-047) off the coupling halves (189-046)

and remove both coupling halves. This will disconnect piston

rod from connecting rod and gearbox assembly.

3. Screw the suction nut (187-018) off the pump and remove

inlet valve assembly.

4. Using the rod collar tool, loosen the packing nut (CCW) and

push the piston down and out of the uid body.

5. Place piston holder (187-248) in a vise. Slide the piston

into the holder and lock in place with a 1/4" pin (187-250).

6. Clean all parts and inspect them carefully for wear or

damage. Inspect the outside of the piston rod for scoring or

wear. Replace these parts if needed. A worn piston rod will

cause premature wear of packings.

7. Using a 3/8" allen wrench to unscrew the outlet seat support

(187-051) from the piston (187-330).

8. Remove the outlet seat (187-061), O-ring (106-021), outlet ball

(115-022) and ball cage (187-062).

9. Inspect the outlet ball and seat for wear. Replace as required.

NOTE: Inlet seat (187-061) is reversible.

10. Install parts back into piston rod as per Fig. 9, page 20.

Place two drops of loctite No. 242 (blue) on threads of the

outlet seat support before assembling and torque to 20 ft-lbs.

FLUID

OUTLET

DISTANCE

TUBE

OUTLET

VALVE

PACKING NUT/

WET CUP

PISTON

UPPER

PACK-

ING

LOWER

PACKING

WIPER

PACKING

INLET

VALVE

SUCTION

NUT

FLUID

INLET

SERVICING INLET & OUTLET VALVES

FIG. 7

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 31 32

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AIRLESSCO 910E Manuel de service Page 20

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