Graco 334135B Install Pump Tubes, Install the Chemical Hoses, Install the Hydracheck Kit

Installation

Install Pump Tubes

See Piston Package on page 20 and Nylon and UHMW Piston Replacement Kits on page 65 for kit numbers.

NOTE: Ensure that high volume and low volume pump tubes are installed on the correct side of the machine.

7.Install the pump cap onto the assembly using the four bolts. Finger tighten the bolts, then torque the bolts to 350 in-lb (40 N•m) in a crisscross pattern.

1 3

High Volume

Low Volume

5.Secure the piston support ring, piston, and washer to the piston shaft using the piston screw. Tighten the piston screw until the screw stops rotating, then turn the screw an additional 1/8 turn.

6.Lubricate the tube pump o-rings. Install the tube pump and o-rings as shown.

4 2

Install the Chemical Hoses.

Install the chemical hoses and tighten to prevent leaks.

NOTE: Ensure that high volume and low volume hoses are installed on the correct side of the machine.

Install the Hydracheck Kit.

Perform HydraCheck Kit Installation, 24W336 starting on page 40.

Install the Tanks.

Refer to the PR70 and PR70v Feed Systems, Instruc- tions-Parts manual for details.

Install the Dispense Valve and Support Arm, if needed.

Install the dispense valve as necessary to prevent movement. Connect the required air lines from the dis- pense valve to the machine.

Air to Open (I) Air to Close (O)

24 334135B