Graco Viscount I 1000 Pump [12/16] Service

12 307622J

Service

WARNING

To reduce the risk of serious injury whenever you

are instructed to relieve pressure, always follow the

Pressure Relief Procedure on page 8.

Notes:

D Packing Repair Kit 224402 is available. Use all the

parts in the kit for the best results, even if the old

ones still look good.

D Clean all parts as you disassemble the pump and

inspect them for wear or damage. Replace parts as

necessary.

Removing the Displacement Pump (Fig. 4)

1. Flush the pump if possible. Relieve the pressure.

Stop the pump at the bottom of its stroke.

2. Disconnect all hoses from the displacement pump.

3. If you remove the pump from its mounting, discon-

nect the hydraulic hoses first, and plug all hydrau-

lic connections and lines to prevent contamination.

4. Remove the pin (17) from the top of the displace-

ment rod (T).

5. Unscrew and remove the three locknuts (15).

6. Unscrew the displacement rod (T) from the motor

connecting rod.

7. Refer to manual 308117 to service the displace-

ment pump.

8. Reassemble in the reverse order. Torque the tie

rods and locknuts to 20 to 30 ft–lb (27 to 40 NSm).

Fig. 4

Torque to 20–30 ft–lb (27–40 NSm)

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